EP0342646A2 - Hand or wiper towel - Google Patents

Hand or wiper towel Download PDF

Info

Publication number
EP0342646A2
EP0342646A2 EP89108866A EP89108866A EP0342646A2 EP 0342646 A2 EP0342646 A2 EP 0342646A2 EP 89108866 A EP89108866 A EP 89108866A EP 89108866 A EP89108866 A EP 89108866A EP 0342646 A2 EP0342646 A2 EP 0342646A2
Authority
EP
European Patent Office
Prior art keywords
fibrous web
towel
foraminous belt
towels
belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89108866A
Other languages
German (de)
French (fr)
Other versions
EP0342646B1 (en
EP0342646A3 (en
Inventor
Ronald F. Cook
Daniel S. Westbrook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
Original Assignee
Kimberly Clark Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kimberly Clark Corp filed Critical Kimberly Clark Corp
Priority to DE8916269U priority Critical patent/DE8916269U1/en
Publication of EP0342646A2 publication Critical patent/EP0342646A2/en
Publication of EP0342646A3 publication Critical patent/EP0342646A3/en
Application granted granted Critical
Publication of EP0342646B1 publication Critical patent/EP0342646B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14Making cellulose wadding, filter or blotting paper
    • D21F11/145Making cellulose wadding, filter or blotting paper including a through-drying process
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006Making patterned paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14Making cellulose wadding, filter or blotting paper

Definitions

  • This invention relates to a paper towel.
  • Disposable paper towels are commonly manufactured and widely used. A primary function of these towels is absorbing liquid. Paper towels possess varying degrees of certain qualities which make them suitable for different tasks. Some of these qualities are softness, absorbent capacity, absorbent rate, and strength.
  • the absorbent capacity is the maximum amount of liquid a paper towel can absorb, and the absorbent rate is the speed with which the paper towel can absorb liquid.
  • the strength of a paper towel is generally the tensile strength of the paper towel which is a measure of the stress required to pull the paper towel apart.
  • Hand or wiper towels are a particular type of paper towel and are often used in washrooms for drying hands and for cleaning up liquid spills. These towels are also used for wiping surfaces clean with a solvent such as in washing windows or counter tops. Accordingly, towels must absorb relatively large quantities of liquid very quickly and possess enough strength so that they do not break apart when subjected to stress even when the towels are saturated with liquid. Further, it is also desirable for hand or wiper towels to be soft, particularly when the towels are used for drying hands so that they are comfortable to the user's skin and when wiping finished surfaces, such as desk tops or automobile exteriors, so that the towels do not scratch the finished surfaces.
  • Prior art hand or wiper towels which are made from cellulosic fibers are normally strong even when saturated with liquid, but often lack desirable levels of absorbent capacity, absorbent rate, and softness. These prior art towels are generally made with a conventional wet forming process wherein the beginning furnish contains chemical bonding agents to bind the cellulosic fibers together and promote the strength of the towel.
  • the furnish is deposited on a traveling foraminous belt thereby forming a web of moist cellulosic fibers on top of the foraminous belt.
  • the moist fibrous web is transferred to an absorbent carrier belt and then pressed by one or a series of rollers to remove water from the fibrous web and to compact the fibers in the web to further promote the strength of the towel.
  • the pressed fibrous web is transferred to the outer surface of a rotating steam-heated dryer whereby part of the remaining water is evaporated from the fibrous web.
  • the fibrous web is then "creped" by a blade positioned adjacent the outer surface of the dryer which scrapes the partially-dried fibrous web from the outer surface of the dryer.
  • the creped fibrous web is then conveyed over a series of steam-heated dryers to evaporate the 20-50% moisture remaining in the web after creping. The creping enhances the absorbent capacity and absorbent rate of the towel
  • the conventional process for making soft paper towels is similar to the conventional process for making hand or wiper towels; however, creping of the fibrous web is done when moisture content has been reduced to 10% or less.
  • An adhesive solution is also applied to the outer surface of the "Yankee" creping dryer so that the fibrous web adheres tightly to the surface of the dryer.
  • the creped fibrous web requires no further drying in this process.
  • the resulting soft towels possess high levels of absorbent capacity and absorbent rate; however, these soft towels are also very weak and tend to break apart when saturated with liquid. Accordingly, soft paper towels are not an adequate substitute for hand or wiper paper towels.
  • an object of the present invention is to provide an improved hand or wiper towel.
  • Another object of the present invention is to provide a hand or wiper towel with high levels of absorbent capacity, absorbent rate, strength, and softness.
  • a further object of the present invention is to provide a hand or wiper towel at a reduced cost.
  • the present invention solves the above-­described problems in the prior art by providing an improved hand or wiper paper towel.
  • the present invention is a paper towel prepared by a process which includes the steps of: (1) forming a furnish of cellulosic fibers, water, and a chemical debonder; (2) depositing the furnish on a traveling foraminous belt, thereby forming a fibrous web on top of the traveling foraminous belt; (3) subjecting the fibrous web to non-compressive drying to remove the water from the fibrous web; and (4) removing the dried fibrous web from the traveling foraminous belt.
  • the towel of the present invention possesses high levels of absorbent capacity, absorbent rate, strength. and softness.
  • the towel of the present invention has an absorbent capacity of at least about 385%, an absorbent rate of about 8 seconds or less, a dry tensile strength of at least about 5700 grams to about 11,000 grams, and a wet tensile strength of at least about 1200 grams to about 1500 grams.
  • the towel of the present invention is prepared by a process wherein the cellulosic fibers in the furnish comprise secondary cellulosic fibers.
  • the high levels of absorbent capacity, absorbent rate, strength, and softness are also achieved using the secondary cellulosic fibers.
  • This aspect of the present invention is particularly advantageous because the cost of secondary cellulosic fibers is substantially less than the cost of virgin cellulosic fibers.
  • the towel of the present invention is prepared by a process further comprising the step of embossing the dried fibrous web after removing the dried fibrous web from the traveling foraminous belt.
  • the embossing increases the absorbent capacity, absorbent rate, and softness of the web, but tends to reduce the strength of the web.
  • Towels of the present invention prepared by the process including the embossing step have an absorbent capacity of at least about 400%, an absorbent rate of at least about 6 seconds or less, a tensile strength of at least about 1800 grams to about 2700 grams, and a wet tensile strength of at least about 380 grams to about 680 grams.
  • the towel of the present invention is prepared by a process which includes the steps of: (1) forming a furnish of cellulosic fibers, water, and a chemical debonder; (2) depositing the furnish on a first traveling foraminous belt, thereby forming a fibrous web on top of the first foraminous belt; (3) transferring the fibrous web from the first traveling foraminous belt to a second foraminous belt traveling at a velocity from about 5 to 10% slower than the velocity of the first foraminous belt, thereby providing a series of transverse folds in the fibrous web; (4) subjecting the fibrous web to non-compressive drying to remove water from the fibrous web; and (5) removing the dried fibrous web from the second traveling foraminous belt.
  • the towel made from this particular process exhibits even greater levels of strength and softness because of the series of folds in the towels.
  • the folds increase the strength of the towels by providing a degree of stretch, thereby reducing the tendency of the towel to tear when subjected to stress.
  • the folds in the towels increase the softness of the towels by increasing the thickness of the towel.
  • This invention therefore, provides a more absorbent hand or wiper towel and a pro­cess for its manufacture.
  • a process line 10 for producing a preferred embodiment of the present invention begins with a paper-­making furnish 12 comprising a mixture of secondary cellulosic fiber, water, and a chemical debonder which is deposited from a conventional head box (not shown) through a nozzle 14 on top of a foraminous wire forming belt 16 as shown in Fig. 1.
  • the forming belt 16 travels around a path defined by a series of guide rollers.
  • the forming belt 16 travels from an upper guide roller 20, positioned below and proximate to the head box nozzle 14, horizontally and away from the head box nozzle to another upper guide roller 22, passes over the upper guide roller 22 and diagonally and downwardly to a lower guide roller 24, passes under the lower guide roller 24 and diagonally and upwardly toward the nozzle 14 to a lower guide roller 26, passes over lower guide roller 26 and diagonally and downwardly to lower guide roller 28, passes under lower guide roller 28, and turns upwardly and slightly inwardly to a guide roller 32, passes behind the guide roller 32 and upwardly and outwardly returns to upper guide roller 20.
  • the partially dewatered fibrous web 38 is carried by the forming belt 16 in the counterclockwise direction, as shown in Fig. 1, towards the upper guide roller 22.
  • the fibrous web 38 as it moves away from the vacuum forming box 34 preferably comprises from about 19% to about 30% cellulosic fiber by weight.
  • An edge vacuum 40 positioned below the forming belt 16 proximate to the upper guide roller 22 is an aid to trimming the edges of the fibrous web 38.
  • the fibrous web 38 passes over the upper guide roller 22 and downwardly between the forming belt 16 and a through-dryer belt 42.
  • the through-dryer belt 42 travels around a path defined by a series of guide rollers.
  • the through-dryer belt 42 travels from a guide roller 44 positioned above and vertically offset from guide roller 22 downwardly towards the forming belt 16, contacts the fibrous web 38, and then downwardly and diagonally away from guide roller 24 to guide roller 46, passes under guide roller 46 and turns horizontally away from the forming belt 16 towards a through-dryer guide roller 48, passes under the through-­dryer guide roller 48 and turns upwardly and over a through-dryer 50 and downwardly to another through-dryer guide roller 55, passes under through-dryer guide roller 55 and turns horizontally away from the through-dryer 50 towards a lower guide roller 54, passes under lower guide roller 54, and turns upwardly to an upper guide roller 56, passes over the upper guide roller 56 and turns slightly downwardly to an upper guide roller 58, passes under the upper guide roller 58, and turns slightly upwardly in the direction of the forming belt 16 to an upper guide roller 60, passes over upper guide roller 60 and turns downwardly
  • a vacuum pickup 66 pulls the fibrous web 38 towards the through-dryer belt 42 and away from forming belt 16 as the fibrous web passes between the through-dryer belt and the forming belt.
  • the fibrous web 38 adheres to the through-dryer belt 42 and is carried by the through-dryer belt downwardly below lower guide roller 46 towards the through-dryer 50.
  • Vacuum boxes 68 positioned above and proximate to the through-dryer belt 42 between the lower guide roller 46 and the through-dryer guide roller 48 further extract water from the moist fibrous web 38.
  • the fibrous web 38 preferably comprises between about 25% and 35% fiber by weight after passing beneath the vacuum boxes 68.
  • the through-dryer 50 generally comprises an outer rotatable perforated cylinder 51 and an outer hood 52 for receiving the hot air blown through the perforations 53, the fibrous web 38, and the through-dryer belt 42 as is known to those skilled in the art.
  • the through-dryer belt 42 carries the fibrous web 38 over the upper portion of the through-dryer outer cylinder 50.
  • the heated air forced through the perforations 53 in the outer cylinder 51 of the through-dryer 50 removes the remaining water from the fibrous web 38.
  • the temperature of the air forced through the fibrous web 38 by the through-dryer is preferably about 149° C to 177° C, (300 to 350° F.)
  • the through-dryer belt 42 carries the dried fibrous web 38 below the through-dryer guide roller 55 towards the lower guide roller 54.
  • the dried fibrous web 38 is pulled from the through-dryer belt at lower guide roller 54 by a takeup roller 70.
  • the dried fibrous web 38 passes from the through-dryer belt 42 to a nip between a pair of embossing rollers 72.
  • the dried and embossed fibrous web 38 then passes from the nip between the embossing rollers 72 to the takeup roller 70 where the fibrous web is wound into a product roll 74.
  • the process line 10 previously described is modified so that the through-dryer belt 42 travels at a velocity from about 5 to 10% slower than the velocity of the forming belt 16.
  • the moist fibrous web 38 arrives at the point of transfer 76 between the forming belt 16 and the through-dryer belt 42 at a faster rate than the fibrous web is carried away by the through-dryer belt.
  • the moist fibrous web 38 builds up at the point of transfer 76, the moist fabric tends to bend into a series of transverse folds 78 as shown in Fig. 2.
  • the folds provide for a degree of stretch in the fibrous web thereby increasing the overall strength of the fibrous web, and because the folds stack on top of one another, the fibrous web becomes thicker and thus softer.
  • An initial paper-making furnish comprising 0.15% by weight of secondary cellulosic fiber and 99.85% water.
  • the secondary cellulosic fiber used in the furnish comprises a mixture of 80% cup stock fiber and 20% deinked wastepaper.
  • 20 wet lbs. (Please see conversion table, attached.) of Berocel 584 debonder, a surfactant manufactured by Berolchemie AG, per ton of dry secondary cellulosic fiber is added to the initial furnish mixture.
  • 11.4 dry lbs. (Please see conversion table, attached.) of Kymene 557-H wet strength resin, a polyamide epichlorohydrin resin manufactured by Hercules and 500 ml. of Sterox DF, a rewetting agent manufactured by Monsanto, are also added to each dry ton of the initial furnish resulting in a furnish with a Canadian Standard Freeness of 410 cc.
  • the final furnish is deposited from a head box through a 1/4 in. (Please see conversion table, attached.) width opening onto a 94 M Appleton forming web, manufactured by Appleton Wire.
  • the forming belt travels at a velocity of 40 ft. (Please see conversion table, attached.) per minute.
  • the deposited furnish forms a web of cellulosic fibers with a dry basis weight of 46 grams per sq. meter on top of the forming belt.
  • the fibrous web passes over a forming box vacuum which operates at a pressure of 8 in. Hg (Please see conversion table, attached.) below atmospheric pressure and extracts water from the fibrous web.
  • the fibrous web then passes over an edge vacuum which operates at a vacuum of 11-15 in. Hg (Please see conversion table, attached.) below atmospheric pressure and further trims the edges of the fibrous web.
  • the fibrous web is then transferred to a 31 A Albany through-dryer belt, manufactured by Albany International, with the aid of a vacuum pickup which produces a vacuum of 11-15 in. Hg (Please see conversion table, attached.) below atmospheric pressure.
  • the through-dryer belt also travels at a velocity of 40 ft. per minute.
  • the consistency of the partially dewatered fibrous web after the transfer to the through-dryer belt contains 19% by weight of dry cellulosic fiber.
  • the through-dryer belt carries the partially dewatered fibrous web over a pair of vacuum boxes each producing a vacuum of 14 in. Hg (Please see conversion table, attached.) below atmospheric pressure and further dewaters the fibrous web.
  • the through-dryer belt then carries the fibrous web around the upper portion of a cylindrical through-dryer.
  • the fibrous web prior to transfer to the through-dryer comprises 26% to 27% by weight of cellulosic fiber.
  • the through-dryer forces air at a temperature of 335° F (Please see conversion table, attached.) through the fibrous web and removes the remaining water from the fibrous web.
  • the dried fibrous web is pulled directly from the through-dryer belt for use as a hand or wiper towel.
  • Example 1 base towel A towel produced according to the specifications in Example 1 was subjected to a series of tests to determine the absorbency and strength of the towel and is indicated in Table 1 as Example 1 base towel.
  • the base towel from Example 1 was also subjected to post-treatment embossing followed by the same series of tests.
  • a portion of the Example 1 base towel was embossed with Kimberly Clark Embossing Pattern 1 (Northern Engraving Pattern No. 1804) and another portion of the Example 1 base towel was embossed with Kimberly Clark Pattern 2 (Northern Engraving Pattern No. 1557).
  • the results of tests performed on the embossed towels is also shown in Table 1.
  • the basis weight of the towels shown in Table 1 was determined according to ASTM D3776-9 and is shown in units of pounds (Please see conversion table, attached.) of dry towel per 2,880 sq. ft. (Please see conversion table, attached.) of towel.
  • the water capacity of the towels in Table 1 was measured according to federal specification UU T-595C and is shown as the percent of the weight of the towel which the towel can absorb in weight of water.
  • the water rate of the towels in Table 1 was measured according to TAPPI (Technical Association of the Pulp and Paper Industry) T432 SU-72. The water rate is shown in Table 1 as the number of seconds for a 4" (Please see conversion table, attached.) x 4" (Please see conversion table, attached.) towel to become saturated with water.
  • the thickness of the towel is measured according to TAPPI T411-68 and is shown in inches in Table 1.
  • the tensile strengths of the towels shown in Table 1 are measured according to ASTM D1117-6 and D1682.
  • the tensile strength is the amount of stress required to pull a 3-in. (Please see conversion table, attached.) length of towel apart.
  • the tensile strengths shown in Table 1 are expressed in grams.
  • the tensile strengths of dry towels were measured in both the machine direction and the cross direction.
  • the tensile strengths of the towels saturated with water were measured in the cross direction.
  • the Example 1 base towel possesses a superior absorbent capacity to other hand or wiper towels which comprise the same or about the same basis weight as the Example 1 base towel.
  • the absorbent capacity of the Example 1 base towel as shown in Table 1 is 90% greater than any of the prior art towels also shown.
  • the Example 1 base towel also possesses a superior level of absorbent rate than the prior art towels shown therein.
  • the absorbent rate of the Example 1 base towel is at least 4 times faster than any of the prior art towels shown in Table 1.
  • the Example 1 base towel also possesses a greater thickness than those prior art towels shown in Table 1 and thus is a softer towel. Further, the tensile strength of the Example 1 base towel is superior to the tensile strengths of the prior art towels shown in Table 1.
  • the embossed Example 1 base towels possess even higher levels of absorbent capacity and absorbent rate as shown in Table 1.
  • the tensile strengths of the embossed Example 1 base towels are reduced somewhat by the embossing but remain comparable to the tensile strengths of the prior art towels shown in Table 1.

Abstract

Hand or wiper towels are made according to a process which includes the steps of: forming a furnish of cellulosic fibers; depositing the furnish on a traveling foraminous belt , thereby forming a fibrous web on top of the traveling foraminous belt ; subjecting the fibrous web to non-compressive drying to remove the water from the fibrous web; and removing the dried fibrous web from the traveling foraminous belt . These hand towels possess high levels of absorbent capacity, absorbent rate, softness and strength .
Embossing of the hand or wiper towels enhances the superior qualities of the towels. In a preferred embodiment of the present invention, the transfer of the fibrous web from a foraminous belt of a higher speed to a foraminous belt of a lower speed produces a towel with enhanced strength and softness.

Description

  • This invention relates to a paper towel.
  • Disposable paper towels are commonly manufactured and widely used. A primary function of these towels is absorbing liquid. Paper towels possess varying degrees of certain qualities which make them suitable for different tasks. Some of these qualities are softness, absorbent capacity, absorbent rate, and strength. The absorbent capacity is the maximum amount of liquid a paper towel can absorb, and the absorbent rate is the speed with which the paper towel can absorb liquid. The strength of a paper towel is generally the tensile strength of the paper towel which is a measure of the stress required to pull the paper towel apart.
  • Hand or wiper towels are a particular type of paper towel and are often used in washrooms for drying hands and for cleaning up liquid spills. These towels are also used for wiping surfaces clean with a solvent such as in washing windows or counter tops. Accordingly, towels must absorb relatively large quantities of liquid very quickly and possess enough strength so that they do not break apart when subjected to stress even when the towels are saturated with liquid. Further, it is also desirable for hand or wiper towels to be soft, particularly when the towels are used for drying hands so that they are comfortable to the user's skin and when wiping finished surfaces, such as desk tops or automobile exteriors, so that the towels do not scratch the finished surfaces.
  • Prior art hand or wiper towels which are made from cellulosic fibers are normally strong even when saturated with liquid, but often lack desirable levels of absorbent capacity, absorbent rate, and softness. These prior art towels are generally made with a conventional wet forming process wherein the beginning furnish contains chemical bonding agents to bind the cellulosic fibers together and promote the strength of the towel. The furnish is deposited on a traveling foraminous belt thereby forming a web of moist cellulosic fibers on top of the foraminous belt. The moist fibrous web is transferred to an absorbent carrier belt and then pressed by one or a series of rollers to remove water from the fibrous web and to compact the fibers in the web to further promote the strength of the towel. The pressed fibrous web is transferred to the outer surface of a rotating steam-heated dryer whereby part of the remaining water is evaporated from the fibrous web. The fibrous web is then "creped" by a blade positioned adjacent the outer surface of the dryer which scrapes the partially-dried fibrous web from the outer surface of the dryer. The creped fibrous web is then conveyed over a series of steam-heated dryers to evaporate the 20-50% moisture remaining in the web after creping. The creping enhances the absorbent capacity and absorbent rate of the towel
  • The conventional process for making soft paper towels is similar to the conventional process for making hand or wiper towels; however, creping of the fibrous web is done when moisture content has been reduced to 10% or less. An adhesive solution is also applied to the outer surface of the "Yankee" creping dryer so that the fibrous web adheres tightly to the surface of the dryer. The creped fibrous web requires no further drying in this process. The resulting soft towels possess high levels of absorbent capacity and absorbent rate; however, these soft towels are also very weak and tend to break apart when saturated with liquid. Accordingly, soft paper towels are not an adequate substitute for hand or wiper paper towels.
  • Therefore, there is a need for a hand or wiper paper towel which possesses a high level of strength as well as high levels of absorbent capacity, absorbent rate, and softness.
  • Therefore, an object of the present invention is to provide an improved hand or wiper towel.
  • Another object of the present invention is to provide a hand or wiper towel with high levels of absorbent capacity, absorbent rate, strength, and softness.
  • A further object of the present invention is to provide a hand or wiper towel at a reduced cost.
  • The present invention solves the above-­described problems in the prior art by providing an improved hand or wiper paper towel. Generally, the present invention is a paper towel prepared by a process which includes the steps of: (1) forming a furnish of cellulosic fibers, water, and a chemical debonder; (2) depositing the furnish on a traveling foraminous belt, thereby forming a fibrous web on top of the traveling foraminous belt; (3) subjecting the fibrous web to non-compressive drying to remove the water from the fibrous web; and (4) removing the dried fibrous web from the traveling foraminous belt. Surprisingly, the towel of the present invention possesses high levels of absorbent capacity, absorbent rate, strength. and softness. More particularly, the towel of the present invention has an absorbent capacity of at least about 385%, an absorbent rate of about 8 seconds or less, a dry tensile strength of at least about 5700 grams to about 11,000 grams, and a wet tensile strength of at least about 1200 grams to about 1500 grams.
  • Even more particularly, the towel of the present invention is prepared by a process wherein the cellulosic fibers in the furnish comprise secondary cellulosic fibers. The high levels of absorbent capacity, absorbent rate, strength, and softness are also achieved using the secondary cellulosic fibers. This aspect of the present invention is particularly advantageous because the cost of secondary cellulosic fibers is substantially less than the cost of virgin cellulosic fibers.
  • Still more particularly, the towel of the present invention is prepared by a process further comprising the step of embossing the dried fibrous web after removing the dried fibrous web from the traveling foraminous belt. The embossing increases the absorbent capacity, absorbent rate, and softness of the web, but tends to reduce the strength of the web. Towels of the present invention prepared by the process including the embossing step have an absorbent capacity of at least about 400%, an absorbent rate of at least about 6 seconds or less, a tensile strength of at least about 1800 grams to about 2700 grams, and a wet tensile strength of at least about 380 grams to about 680 grams.
  • Still more particularly, the towel of the present invention is prepared by a process which includes the steps of: (1) forming a furnish of cellulosic fibers, water, and a chemical debonder; (2) depositing the furnish on a first traveling foraminous belt, thereby forming a fibrous web on top of the first foraminous belt; (3) transferring the fibrous web from the first traveling foraminous belt to a second foraminous belt traveling at a velocity from about 5 to 10% slower than the velocity of the first foraminous belt, thereby providing a series of transverse folds in the fibrous web; (4) subjecting the fibrous web to non-compressive drying to remove water from the fibrous web; and (5) removing the dried fibrous web from the second traveling foraminous belt. The towel made from this particular process exhibits even greater levels of strength and softness because of the series of folds in the towels. The folds increase the strength of the towels by providing a degree of stretch, thereby reducing the tendency of the towel to tear when subjected to stress. The folds in the towels increase the softness of the towels by increasing the thickness of the towel.
  • This invention, therefore, provides a more absorbent hand or wiper towel and a pro­cess for its manufacture.
  • Other objects, features, and advantages will become apparent from reading the following specifications in conjunction with the accompanying drawings.
    • Fig. 1 is a perspective view of the process line for producing a preferred embodiment of the present invention; and
    • Fig. 2 is an enlarged sectional view of the point of transfer between the forming belt and the through dryer belt in a process line for producing another preferred embodiment of the present invention.
  • Turning first to Fig. 1, there is illustrated a process line 10 for producing a preferred embodiment of the present invention. The process line begins with a paper-­making furnish 12 comprising a mixture of secondary cellulosic fiber, water, and a chemical debonder which is deposited from a conventional head box (not shown) through a nozzle 14 on top of a foraminous wire forming belt 16 as shown in Fig. 1. The forming belt 16 travels around a path defined by a series of guide rollers. The forming belt 16 travels from an upper guide roller 20, positioned below and proximate to the head box nozzle 14, horizontally and away from the head box nozzle to another upper guide roller 22, passes over the upper guide roller 22 and diagonally and downwardly to a lower guide roller 24, passes under the lower guide roller 24 and diagonally and upwardly toward the nozzle 14 to a lower guide roller 26, passes over lower guide roller 26 and diagonally and downwardly to lower guide roller 28, passes under lower guide roller 28, and turns upwardly and slightly inwardly to a guide roller 32, passes behind the guide roller 32 and upwardly and outwardly returns to upper guide roller 20.
  • A vacuum forming box 34 positioned beneath the forming belt 16 proximate the opening 36 of the head box nozzle 14 immediately extracts water from the moist fibrous web 38 deposited on top of the forming belt by the head box nozzle. The partially dewatered fibrous web 38 is carried by the forming belt 16 in the counterclockwise direction, as shown in Fig. 1, towards the upper guide roller 22. The fibrous web 38 as it moves away from the vacuum forming box 34 preferably comprises from about 19% to about 30% cellulosic fiber by weight. An edge vacuum 40 positioned below the forming belt 16 proximate to the upper guide roller 22 is an aid to trimming the edges of the fibrous web 38.
  • The fibrous web 38 passes over the upper guide roller 22 and downwardly between the forming belt 16 and a through-dryer belt 42.
  • The through-dryer belt 42 travels around a path defined by a series of guide rollers. The through-dryer belt 42 travels from a guide roller 44 positioned above and vertically offset from guide roller 22 downwardly towards the forming belt 16, contacts the fibrous web 38, and then downwardly and diagonally away from guide roller 24 to guide roller 46, passes under guide roller 46 and turns horizontally away from the forming belt 16 towards a through-dryer guide roller 48, passes under the through-­dryer guide roller 48 and turns upwardly and over a through-dryer 50 and downwardly to another through-dryer guide roller 55, passes under through-dryer guide roller 55 and turns horizontally away from the through-dryer 50 towards a lower guide roller 54, passes under lower guide roller 54, and turns upwardly to an upper guide roller 56, passes over the upper guide roller 56 and turns slightly downwardly to an upper guide roller 58, passes under the upper guide roller 58, and turns slightly upwardly in the direction of the forming belt 16 to an upper guide roller 60, passes over upper guide roller 60 and turns downwardly to a guide roller 62, passes under guide roller 62 and turns substantially horizontally away from forming belt 16 to a guide roller 62, passes around guide roller 64 and turns horizontally in the direction of the forming belt 16 and returns to guide roller 44.
  • A vacuum pickup 66 pulls the fibrous web 38 towards the through-dryer belt 42 and away from forming belt 16 as the fibrous web passes between the through-dryer belt and the forming belt. The fibrous web 38 adheres to the through-dryer belt 42 and is carried by the through-dryer belt downwardly below lower guide roller 46 towards the through-dryer 50. Vacuum boxes 68 positioned above and proximate to the through-dryer belt 42 between the lower guide roller 46 and the through-dryer guide roller 48 further extract water from the moist fibrous web 38. The fibrous web 38 preferably comprises between about 25% and 35% fiber by weight after passing beneath the vacuum boxes 68.
  • The through-dryer 50 generally comprises an outer rotatable perforated cylinder 51 and an outer hood 52 for receiving the hot air blown through the perforations 53, the fibrous web 38, and the through-dryer belt 42 as is known to those skilled in the art. The through-dryer belt 42 carries the fibrous web 38 over the upper portion of the through-dryer outer cylinder 50. The heated air forced through the perforations 53 in the outer cylinder 51 of the through-dryer 50, removes the remaining water from the fibrous web 38. The temperature of the air forced through the fibrous web 38 by the through-dryer is preferably about 149° C to 177° C, (300 to 350° F.)
  • The through-dryer belt 42 carries the dried fibrous web 38 below the through-dryer guide roller 55 towards the lower guide roller 54. The dried fibrous web 38 is pulled from the through-dryer belt at lower guide roller 54 by a takeup roller 70. The dried fibrous web 38 passes from the through-dryer belt 42 to a nip between a pair of embossing rollers 72. The dried and embossed fibrous web 38 then passes from the nip between the embossing rollers 72 to the takeup roller 70 where the fibrous web is wound into a product roll 74.
  • In an even more preferred embodiment of the present invention, the process line 10 previously described is modified so that the through-dryer belt 42 travels at a velocity from about 5 to 10% slower than the velocity of the forming belt 16. As a result, the moist fibrous web 38 arrives at the point of transfer 76 between the forming belt 16 and the through-dryer belt 42 at a faster rate than the fibrous web is carried away by the through-dryer belt. As the moist fibrous web 38 builds up at the point of transfer 76, the moist fabric tends to bend into a series of transverse folds 78 as shown in Fig. 2. The folds provide for a degree of stretch in the fibrous web thereby increasing the overall strength of the fibrous web, and because the folds stack on top of one another, the fibrous web becomes thicker and thus softer.
  • This invention is further illustrated by the following example which is illustrative of a preferred embodiment designed to teach those of ordinary skill in the art how to practice this invention.
  • EXAMPLE 1
  • An initial paper-making furnish is prepared comprising 0.15% by weight of secondary cellulosic fiber and 99.85% water. The secondary cellulosic fiber used in the furnish comprises a mixture of 80% cup stock fiber and 20% deinked wastepaper. 20 wet lbs. (Please see conversion table, attached.) of Berocel 584 debonder, a surfactant manufactured by Berolchemie AG, per ton of dry secondary cellulosic fiber is added to the initial furnish mixture. 11.4 dry lbs. (Please see conversion table, attached.) of Kymene 557-H wet strength resin, a polyamide epichlorohydrin resin manufactured by Hercules and 500 ml. of Sterox DF, a rewetting agent manufactured by Monsanto, are also added to each dry ton of the initial furnish resulting in a furnish with a Canadian Standard Freeness of 410 cc.
  • The final furnish is deposited from a head box through a 1/4 in. (Please see conversion table, attached.) width opening onto a 94 M Appleton forming web, manufactured by Appleton Wire. The forming belt travels at a velocity of 40 ft. (Please see conversion table, attached.) per minute. The deposited furnish forms a web of cellulosic fibers with a dry basis weight of 46 grams per sq. meter on top of the forming belt.
  • Immediately after the fibrous web is formed on top of the forming belt, the fibrous web passes over a forming box vacuum which operates at a pressure of 8 in. Hg (Please see conversion table, attached.) below atmospheric pressure and extracts water from the fibrous web. The fibrous web then passes over an edge vacuum which operates at a vacuum of 11-15 in. Hg (Please see conversion table, attached.) below atmospheric pressure and further trims the edges of the fibrous web.
  • The fibrous web is then transferred to a 31 A Albany through-dryer belt, manufactured by Albany International, with the aid of a vacuum pickup which produces a vacuum of 11-15 in. Hg (Please see conversion table, attached.) below atmospheric pressure. The through-dryer belt also travels at a velocity of 40 ft. per minute. The consistency of the partially dewatered fibrous web after the transfer to the through-dryer belt contains 19% by weight of dry cellulosic fiber.
  • The through-dryer belt carries the partially dewatered fibrous web over a pair of vacuum boxes each producing a vacuum of 14 in. Hg (Please see conversion table, attached.) below atmospheric pressure and further dewaters the fibrous web. The through-dryer belt then carries the fibrous web around the upper portion of a cylindrical through-dryer. The fibrous web prior to transfer to the through-dryer comprises 26% to 27% by weight of cellulosic fiber. The through-dryer forces air at a temperature of 335° F (Please see conversion table, attached.) through the fibrous web and removes the remaining water from the fibrous web. The dried fibrous web is pulled directly from the through-dryer belt for use as a hand or wiper towel.
  • A towel produced according to the specifications in Example 1 was subjected to a series of tests to determine the absorbency and strength of the towel and is indicated in Table 1 as Example 1 base towel. The base towel from Example 1 was also subjected to post-treatment embossing followed by the same series of tests. A portion of the Example 1 base towel was embossed with Kimberly Clark Embossing Pattern 1 (Northern Engraving Pattern No. 1804) and another portion of the Example 1 base towel was embossed with Kimberly Clark Pattern 2 (Northern Engraving Pattern No. 1557). The results of tests performed on the embossed towels is also shown in Table 1. Three prior art hand or wiper towels the Scott 180, the Fort Howard 202, and the Crown Zellerbach 820, were also subjected to the same tests as the Example 1 base towel. The results of the tests performed on the prior art towels are also shown in Table 1 for comparative purposes.
  • The basis weight of the towels shown in Table 1 was determined according to ASTM D3776-9 and is shown in units of pounds (Please see conversion table, attached.) of dry towel per 2,880 sq. ft. (Please see conversion table, attached.) of towel. The water capacity of the towels in Table 1 was measured according to federal specification UU T-595C and is shown as the percent of the weight of the towel which the towel can absorb in weight of water. The water rate of the towels in Table 1 was measured according to TAPPI (Technical Association of the Pulp and Paper Industry) T432 SU-72. The water rate is shown in Table 1 as the number of seconds for a 4" (Please see conversion table, attached.) x 4" (Please see conversion table, attached.) towel to become saturated with water. The thickness of the towel is measured according to TAPPI T411-68 and is shown in inches in Table 1. The tensile strengths of the towels shown in Table 1 are measured according to ASTM D1117-6 and D1682. The tensile strength is the amount of stress required to pull a 3-in. (Please see conversion table, attached.) length of towel apart. The tensile strengths shown in Table 1 are expressed in grams. The tensile strengths of dry towels were measured in both the machine direction and the cross direction. The tensile strengths of the towels saturated with water were measured in the cross direction. TABLE 1
    Scott 180 Fort Howard 202 Crown Zellerbach 820 Example Base Towel Embossed Base Towel K-C Pat. 1 Embossed Base Towel K-C Pat. 2
    Basis Weight, #/2880ft2 * 27 27 25 27 27 27
    Absorbant Capacity, % 284 270 295 385 399 505
    Absorbant Rate, Seconds 35 58 69 8 6 4
    Thickness, Inches * 0.0042 0.0043 0.0046 0.0077 0.0083 0.0093
    Tensile Strength
    MD Dry, g 7480 6690 6690 10890 6078 2679
    CD Dry g 3460 3470 2640 5738 2421 1889
    CD Wet g 1163 750 800 1481 673 387
    *Please see conversion Table, attached.
  • As shown in Table 1, the Example 1 base towel possesses a superior absorbent capacity to other hand or wiper towels which comprise the same or about the same basis weight as the Example 1 base towel. The absorbent capacity of the Example 1 base towel as shown in Table 1 is 90% greater than any of the prior art towels also shown. The Example 1 base towel also possesses a superior level of absorbent rate than the prior art towels shown therein. The absorbent rate of the Example 1 base towel is at least 4 times faster than any of the prior art towels shown in Table 1. The Example 1 base towel also possesses a greater thickness than those prior art towels shown in Table 1 and thus is a softer towel. Further, the tensile strength of the Example 1 base towel is superior to the tensile strengths of the prior art towels shown in Table 1.
  • The embossed Example 1 base towels possess even higher levels of absorbent capacity and absorbent rate as shown in Table 1. The tensile strengths of the embossed Example 1 base towels are reduced somewhat by the embossing but remain comparable to the tensile strengths of the prior art towels shown in Table 1.
  • In summary, the data in Table 1 show that hand or wiper towels which are preferred embodiments of the present invention possess superior levels of absorbent capacity, absorbent rate, softness and strength to other prior art hand or wiper towels of the same or about the same basis weight.
  • It should be understood that the foregoing relates only to preferred embodiments of the present invention, and that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims (10)

1. A towel prepared by a process comprising the steps of:
forming a furnish of cellulosic fibers, water, and a chemical debonder;
depositing the furnish on a traveling foraminous belt thereby forming a fibrous web on top of the traveling foraminous belt ;
subjecting the fibrous web to non-­compressive drying to remove the water from the fibrous web; and
removing the dried fibrous web from the traveling foraminous belt.
2. The towel prepared by a process as in claim 1, wherein:
the towel has an absorbent capacity of at least about 385%, an absorbent rate of about 8 seconds or less, a dry tensile strength of at least about 5700 grams to about 11,000 grams, and a wet tensile strength of at least about 1200 grams to about 1500 grams.
3. The towel prepared by a process as in claim 1 or 2, further comprising the step of:
embossing the dried fibrous web after removing the dried fibrous web from the traveling foraminous belt.
4. The towel prepared by a process as in one of the preceding claims, wherein:
the cellulosic fibers in the furnish comprise secondary cellulosic fibers.
5. The towel prepared by a process as in one of the preceding claims, wherein:
the non-compressive drying is achieved with a through-dryer.
6. The towel prepared by a process as in claims 3 to 5, wherein:
the towel has an absorbent capacity of at least about 400%, an absorbent rate of about 6 seconds or less, a dry tensile strength of at least about 1800 grams to about 2700 grams, and a wet tensile strength of at least about 380 grams to about 680 grams.
7. A towel prepared by a process comprising the steps of:
forming a furnish of cellulosic fibers, water, and a chemical debonder;
depositing the furnish on a first foraminous belt, the first foraminous belt traveling at a first velocity, thereby forming a fibrous web on top of the first foraminous belt ;
transferring the fibrous web from the first traveling foraminous belt to a second foraminous belt , the second foraminous belt traveling at a second velocity from about 5% to about 10% slower than the first velocity, thereby providing a series of transverse folds in the fibrous web;
subjecting the fibrous web to non-­compressive drying to remove the water from the fibrous web; and
removing the dried fibrous web from the second traveling foraminous belt.
8. The towel prepared by a process as in claim 7, wherein:
the cellulosic fibers in the furnish comprise secondary cellulosic fibers.
9. The towel prepared by a process as in claim 8, wherein:
the non-compressive drying is achieved with a through-dryer.
10. The towel prepared by a process as in claim 9, further comprising the step of:
embossing the dried fibrous web after removing the dried fibrous web from the second traveling foraminous belt .
EP89108866A 1988-05-18 1989-05-17 Hand or wiper towel Expired - Lifetime EP0342646B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8916269U DE8916269U1 (en) 1988-05-18 1989-05-17 Hand or wipe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19523488A 1988-05-18 1988-05-18
US195234 1988-05-18

Publications (3)

Publication Number Publication Date
EP0342646A2 true EP0342646A2 (en) 1989-11-23
EP0342646A3 EP0342646A3 (en) 1991-07-03
EP0342646B1 EP0342646B1 (en) 1996-07-10

Family

ID=22720578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89108866A Expired - Lifetime EP0342646B1 (en) 1988-05-18 1989-05-17 Hand or wiper towel

Country Status (8)

Country Link
EP (1) EP0342646B1 (en)
AT (1) ATE140284T1 (en)
AU (2) AU3487589A (en)
CA (1) CA1324909C (en)
DE (1) DE68926800T2 (en)
ES (1) ES2088874T3 (en)
MX (1) MX172304B (en)
ZA (1) ZA893657B (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993001730A2 (en) * 1991-07-19 1993-02-04 Johnson & Johnson Inc. Flexible absorbent sheet
EP0617164A1 (en) * 1993-03-24 1994-09-28 Kimberly-Clark Corporation Method for making smooth uncreped throughdried sheets
FR2705219A1 (en) * 1993-05-21 1994-11-25 Kimberly Clark Co Non-creped cross-blown items, including rags and towels, and their manufacturing process.
EP0631014A1 (en) * 1993-06-24 1994-12-28 Kimberly-Clark Corporation Soft tissue product and process of making same
US5399174A (en) * 1993-04-06 1995-03-21 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material
FR2715175A1 (en) * 1993-06-24 1995-07-21 Kimberly Clark Co Tissue prod. e.g. bath tissue, premium household towel, facial tissue
FR2715051A1 (en) * 1993-05-21 1995-07-21 Kimberly Clark Co Paper towel material
FR2715288A1 (en) * 1993-05-21 1995-07-28 Kimberly Clark Co Multi-layer cellulose material
FR2718470A1 (en) * 1994-04-12 1995-10-13 Kimberly Clark Co Sheet air-dried fabric and its manufacturing process.
WO1996021769A1 (en) * 1995-01-10 1996-07-18 The Procter & Gamble Company High density tissue and process of making
WO1996021768A1 (en) * 1995-01-10 1996-07-18 The Procter & Gamble Company Smooth, through air dried tissue and process of making
WO1996023931A1 (en) * 1995-01-31 1996-08-08 Beloit Technologies, Inc. A sheet transfer apparatus
US5599420A (en) * 1993-04-06 1997-02-04 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material and method for making same
US5667636A (en) * 1993-03-24 1997-09-16 Kimberly-Clark Worldwide, Inc. Method for making smooth uncreped throughdried sheets
US5672248A (en) * 1994-04-12 1997-09-30 Kimberly-Clark Worldwide, Inc. Method of making soft tissue products
EP0568404B1 (en) * 1992-04-17 1997-12-29 Kimberly-Clark Worldwide, Inc. Method of treating papermaking fibers for making tissue
AU695648B2 (en) * 1993-05-21 1998-08-20 Kimberly-Clark Worldwide, Inc. A calendered multi-ply cellulosic product useful as a wiper or towel
WO1999023298A1 (en) * 1997-10-31 1999-05-14 Kimberly-Clark Worldwide, Inc. Method of producing low density resilient webs
EP1149947A2 (en) * 2000-04-24 2001-10-31 Georgia-Pacific Corporation Impingement air dry process for making absorbent sheet
US6551453B2 (en) 1995-01-10 2003-04-22 The Procter & Gamble Company Smooth, through air dried tissue and process of making
US6821386B2 (en) 1995-01-10 2004-11-23 The Procter & Gamble Company Smooth, micropeak-containing through air dried tissue
US8142614B2 (en) 2005-10-20 2012-03-27 A. Celli Paper S.P.A. Methods and devices for the production of tissue paper, and web of tissue paper obtained using said methods and devices
US8142613B2 (en) 2004-04-29 2012-03-27 A. Celli Paper S.P.A. Method and device for the production of tissue paper

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7749355B2 (en) 2005-09-16 2010-07-06 The Procter & Gamble Company Tissue paper
US7744723B2 (en) 2006-05-03 2010-06-29 The Procter & Gamble Company Fibrous structure product with high softness

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2177856A1 (en) * 1972-03-30 1973-11-09 Scott Paper Co
US3844880A (en) * 1971-01-21 1974-10-29 Scott Paper Co Sequential addition of a cationic debonder, resin and deposition aid to a cellulosic fibrous slurry
US4236963A (en) * 1978-11-21 1980-12-02 Beloit Corporation Apparatus for texturing untextured dry tissue web

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093765A (en) * 1976-02-13 1978-06-06 Scott Paper Company Soft absorbent fibrous web and disposable diaper including same
US4492044A (en) * 1983-08-19 1985-01-08 Boise Cascade Corporation Pocket ventilation roll baffle assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3844880A (en) * 1971-01-21 1974-10-29 Scott Paper Co Sequential addition of a cationic debonder, resin and deposition aid to a cellulosic fibrous slurry
FR2177856A1 (en) * 1972-03-30 1973-11-09 Scott Paper Co
US4236963A (en) * 1978-11-21 1980-12-02 Beloit Corporation Apparatus for texturing untextured dry tissue web

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 55, no. 2, August 1984, page 188, left-hand column, abstract no. 1667m, Appleton, Wisconsin, US; M. SABBATINI: "Organization of tissue-paper manufacture from 100% secondary fibers", & EUCEPA SYMP. RECYCLING IN PRODN. OF PULP & PAPER (Praque), paper no. 15, pages 129-133, 10-13 October 1983 *

Cited By (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993001730A3 (en) * 1991-07-19 1993-04-01 Johnson & Johnson Inc Flexible absorbent sheet
WO1993001730A2 (en) * 1991-07-19 1993-02-04 Johnson & Johnson Inc. Flexible absorbent sheet
TR26406A (en) * 1991-07-19 1995-03-15 Johnson & Johnson Inc FLUID-ABSORBENT CELLULOSIC THIN DOUGH PLATE WITH GOOD FLEXIBILITY AND COMPRESSIBILITY.
EP0568404B1 (en) * 1992-04-17 1997-12-29 Kimberly-Clark Worldwide, Inc. Method of treating papermaking fibers for making tissue
EP0617164A1 (en) * 1993-03-24 1994-09-28 Kimberly-Clark Corporation Method for making smooth uncreped throughdried sheets
US5667636A (en) * 1993-03-24 1997-09-16 Kimberly-Clark Worldwide, Inc. Method for making smooth uncreped throughdried sheets
US5888347A (en) * 1993-03-24 1999-03-30 Kimberly-Clark World Wide, Inc. Method for making smooth uncreped throughdried sheets
US5399174A (en) * 1993-04-06 1995-03-21 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material
US5599420A (en) * 1993-04-06 1997-02-04 Kimberly-Clark Corporation Patterned embossed nonwoven fabric, cloth-like liquid barrier material and method for making same
EP1103656A3 (en) * 1993-05-21 2004-06-02 Kimberly-Clark Worldwide, Inc. Uncreped throughdried basesheet
FR2715052A1 (en) * 1993-05-21 1995-07-21 Kimberly Clark Co Multi-jet cellulosic product with increased wet strength.
CN1047642C (en) * 1993-05-21 1999-12-22 金伯利-克拉克环球有限公司 Uncreped throughdried towels and wipers having high strength and absorbency
EP1111129A2 (en) * 1993-05-21 2001-06-27 Kimberly-Clark Worldwide, Inc. Calendered multi-ply cellulosic product
FR2715051A1 (en) * 1993-05-21 1995-07-21 Kimberly Clark Co Paper towel material
AU695611B2 (en) * 1993-05-21 1998-08-20 Kimberly-Clark Worldwide, Inc. A multi-ply cellulosic product useful as a wiper or towel
AU695610B2 (en) * 1993-05-21 1998-08-20 Kimberly-Clark Worldwide, Inc. A calendered multi-ply cellulosic product useful as a wiper or towel
EP1103656A2 (en) * 1993-05-21 2001-05-30 Kimberly-Clark Worldwide, Inc. Uncreped throughdried basesheet
FR2715288A1 (en) * 1993-05-21 1995-07-28 Kimberly Clark Co Multi-layer cellulose material
AU695648B2 (en) * 1993-05-21 1998-08-20 Kimberly-Clark Worldwide, Inc. A calendered multi-ply cellulosic product useful as a wiper or towel
EP1111129A3 (en) * 1993-05-21 2004-06-02 Kimberly-Clark Worldwide, Inc. Calendered multi-ply cellulosic product
WO1994028244A1 (en) * 1993-05-21 1994-12-08 Kimberly-Clark Corporation Uncreped throughdried towels and wipers having high strength and absorbency
AU682039B2 (en) * 1993-05-21 1997-09-18 Kimberly-Clark Worldwide, Inc. Uncreped throughdried towels and wipers having high strength and absorbency
FR2705219A1 (en) * 1993-05-21 1994-11-25 Kimberly Clark Co Non-creped cross-blown items, including rags and towels, and their manufacturing process.
US5616207A (en) * 1993-05-21 1997-04-01 Kimberly-Clark Corporation Method for making uncreped throughdried towels and wipers
GB2305674B (en) * 1993-06-24 1997-10-22 Kimberly Clark Co Method of making a tissue sheet
AU696805B2 (en) * 1993-06-24 1998-09-17 Kimberly-Clark Corporation Soft tissue
US5607551A (en) * 1993-06-24 1997-03-04 Kimberly-Clark Corporation Soft tissue
EP0631014A1 (en) * 1993-06-24 1994-12-28 Kimberly-Clark Corporation Soft tissue product and process of making same
GB2305674A (en) * 1993-06-24 1997-04-16 Kimberly Clark Co Method of making a tissue sheet
US5656132A (en) * 1993-06-24 1997-08-12 Kimberly-Clark Worldwide, Inc. Soft tissue
WO1995000706A1 (en) * 1993-06-24 1995-01-05 Kimberly-Clark Corporation Soft tissue
FR2708453A1 (en) * 1993-06-24 1995-02-10 Kimberly Clark Co Flexible paper fabrics and method of manufacture
FR2715175A1 (en) * 1993-06-24 1995-07-21 Kimberly Clark Co Tissue prod. e.g. bath tissue, premium household towel, facial tissue
US6171442B1 (en) 1993-06-24 2001-01-09 Kimberly-Clark Worldwide, Inc. Soft tissue
CN1048060C (en) * 1993-06-24 2000-01-05 金伯利-克拉克环球有限公司 Soft tissue
AU687081B2 (en) * 1993-06-24 1998-02-19 Kimberly-Clark Worldwide, Inc. Soft tissue
FR2715048A1 (en) * 1993-06-24 1995-07-21 Kimberly Clark Co Tissue prod. e.g. bath tissue, premium household towel, facial tissue
US5932068A (en) * 1993-06-24 1999-08-03 Kimberly-Clark Worldwide, Inc. Soft tissue
US5772845A (en) * 1993-06-24 1998-06-30 Kimberly-Clark Worldwide, Inc. Soft tissue
FR2715050A1 (en) * 1993-06-24 1995-07-21 Kimberly Clark Co Tissue prod. e.g. bath tissue, premium household towel, facial tissue
FR2715049A1 (en) * 1993-06-24 1995-07-21 Kimberly Clark Co Tissue prod. e.g. bath tissue, premium household towel, facial tissue
FR2715047A1 (en) * 1993-06-24 1995-07-21 Kimberly Clark Co Tissue prod. e.g. bath tissue, premium household towel, facial tissue
AU696804B2 (en) * 1993-06-24 1998-09-17 Kimberly-Clark Corporation Soft tissue
AU696806B2 (en) * 1993-06-24 1998-09-17 Kimberly-Clark Corporation Soft tissue
EP0677612A2 (en) * 1994-04-12 1995-10-18 Kimberly-Clark Corporation Method of making soft tissue products
FR2735155A1 (en) * 1994-04-12 1996-12-13 Kimberly Clark Co SOFT AND FLEXIBLE THIN ABSORBENT PAPER PRODUCT AND MANUFACTURING METHOD THEREOF
FR2718470A1 (en) * 1994-04-12 1995-10-13 Kimberly Clark Co Sheet air-dried fabric and its manufacturing process.
US5672248A (en) * 1994-04-12 1997-09-30 Kimberly-Clark Worldwide, Inc. Method of making soft tissue products
US5746887A (en) * 1994-04-12 1998-05-05 Kimberly-Clark Worldwide, Inc. Method of making soft tissue products
EP0677612A3 (en) * 1994-04-12 1996-02-28 Kimberly Clark Co Method of making soft tissue products.
US6017417A (en) * 1994-04-12 2000-01-25 Kimberly-Clark Worldwide, Inc. Method of making soft tissue products
US5980691A (en) * 1995-01-10 1999-11-09 The Procter & Gamble Company Smooth through air dried tissue and process of making
US5728268A (en) * 1995-01-10 1998-03-17 The Procter & Gamble Company High density tissue and process of making
US5855738A (en) * 1995-01-10 1999-01-05 The Procter & Gamble Company High density tissue and process of making
WO1996021769A1 (en) * 1995-01-10 1996-07-18 The Procter & Gamble Company High density tissue and process of making
US6551453B2 (en) 1995-01-10 2003-04-22 The Procter & Gamble Company Smooth, through air dried tissue and process of making
WO1996021768A1 (en) * 1995-01-10 1996-07-18 The Procter & Gamble Company Smooth, through air dried tissue and process of making
US6821386B2 (en) 1995-01-10 2004-11-23 The Procter & Gamble Company Smooth, micropeak-containing through air dried tissue
WO1996023931A1 (en) * 1995-01-31 1996-08-08 Beloit Technologies, Inc. A sheet transfer apparatus
WO1999023298A1 (en) * 1997-10-31 1999-05-14 Kimberly-Clark Worldwide, Inc. Method of producing low density resilient webs
EP1149947A2 (en) * 2000-04-24 2001-10-31 Georgia-Pacific Corporation Impingement air dry process for making absorbent sheet
EP1149947A3 (en) * 2000-04-24 2003-01-08 Georgia-Pacific Corporation Impingement air dry process for making absorbent sheet
US8142613B2 (en) 2004-04-29 2012-03-27 A. Celli Paper S.P.A. Method and device for the production of tissue paper
US8142614B2 (en) 2005-10-20 2012-03-27 A. Celli Paper S.P.A. Methods and devices for the production of tissue paper, and web of tissue paper obtained using said methods and devices

Also Published As

Publication number Publication date
DE68926800T2 (en) 1996-11-07
MX172304B (en) 1993-12-13
AU630499B2 (en) 1992-10-29
DE68926800D1 (en) 1996-08-14
AU6193390A (en) 1990-11-29
ATE140284T1 (en) 1996-07-15
CA1324909C (en) 1993-12-07
AU3487589A (en) 1989-11-23
ES2088874T3 (en) 1996-10-01
ZA893657B (en) 1990-01-31
EP0342646B1 (en) 1996-07-10
EP0342646A3 (en) 1991-07-03

Similar Documents

Publication Publication Date Title
EP0342646B1 (en) Hand or wiper towel
US5048589A (en) Non-creped hand or wiper towel
US4894118A (en) Recreped absorbent products and method of manufacture
US4102737A (en) Process and apparatus for forming a paper web having improved bulk and absorptive capacity
JP3748884B2 (en) Soft tissue
KR101286804B1 (en) Tissue products having enhanced cross-machine directional properties
KR100917520B1 (en) Multi-Ply Tissue Products
CA1093879A (en) Forming absorbent tissue paper products with fine mesh fabrics
US7156953B2 (en) Process for producing a paper wiping product
US6534151B2 (en) Creped wiping product containing binder fibers
CA2133390C (en) Soft strong towel and tissue paper
JPH08510797A (en) High strength and high absorbency non-crepe ventilated dry towel and wiper
US6344110B1 (en) Method of producing a paper having a three-dimensional pattern
PL178164B1 (en) Method of making soft handkerchiefs
US6416623B1 (en) Method of producing an extensible paper having a three-dimensional pattern and a paper produced by the method
KR20030009483A (en) Process for increasing the softness of base webs and products made therefrom
US6846383B2 (en) Wiping products made according to a low temperature delamination process
US20160138224A1 (en) Soft and strong engineered tissue
KR20090080569A (en) Process for increasing the softness of base webs and products made therefrom
US6454905B1 (en) Method of producing a paper having a three-dimensional pattern
ZA200102471B (en) Method of producing an extensible paper having a three-dimensional pattern and a paper produced by the method.
KR0151589B1 (en) A method of making a two-ply tissue and a two-ply tissue product
ZA200102464B (en) Method of producing a paper having a three-dimensional pattern and paper produced by the method.
US6585861B2 (en) Device for producing an extensible paper having a three-dimensional pattern
GB2057528A (en) Absorbent paper

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

17P Request for examination filed

Effective date: 19911227

17Q First examination report despatched

Effective date: 19931129

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

ITF It: translation for a ep patent filed

Owner name: DE DOMINICIS & MAYER S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19960710

Ref country code: CH

Effective date: 19960710

Ref country code: AT

Effective date: 19960710

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19960710

REF Corresponds to:

Ref document number: 140284

Country of ref document: AT

Date of ref document: 19960715

Kind code of ref document: T

REF Corresponds to:

Ref document number: 68926800

Country of ref document: DE

Date of ref document: 19960814

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2088874

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2088874

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970531

26N No opposition filed
REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

Ref country code: FR

Ref legal event code: CA

Ref country code: FR

Ref legal event code: CD

REG Reference to a national code

Ref country code: FR

Ref legal event code: RM

NLS Nl: assignments of ep-patents

Owner name: KIMBERLY-CLARK WORLDWIDE, INC.

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20040413

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20040603

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050531

BERE Be: lapsed

Owner name: *KIMBERLY-CLARK WORLDWIDE INC.

Effective date: 20050531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20051201

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20051201

BERE Be: lapsed

Owner name: *KIMBERLY-CLARK WORLDWIDE INC.

Effective date: 20050531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20080526

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080630

Year of fee payment: 20

Ref country code: SE

Payment date: 20080529

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20080528

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20080529

Year of fee payment: 20

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20090516

EUG Se: european patent has lapsed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20090518

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20090518

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20090516

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20080519

Year of fee payment: 20