US20160053436A1 - Clothing for a machine for manufacturing a web material - Google Patents
Clothing for a machine for manufacturing a web material Download PDFInfo
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- US20160053436A1 US20160053436A1 US14/784,139 US201414784139A US2016053436A1 US 20160053436 A1 US20160053436 A1 US 20160053436A1 US 201414784139 A US201414784139 A US 201414784139A US 2016053436 A1 US2016053436 A1 US 2016053436A1
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- Prior art keywords
- clothing according
- clothing
- pattern
- pattern components
- components
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
- D21F7/083—Multi-layer felts
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2433/00—Closed loop articles
- B32B2433/02—Conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
Definitions
- the invention proceeds from a clothing for a machine for manufacturing a web material, such as, for example, paper, cardboard, tissue, film, a non-woven product, or a composite product, according to the preamble of claim 1 .
- a clothing of this type which may be employed as a forming wire in a paper machine, for example, is known from EP 1 690 981 A1.
- a pattern from polymer material is applied in a rotary printing method by means of a rotary screen to a carrier structure which is configured as a woven fabric, for example.
- the pattern in substantially any arbitrary design may be applied to the woven carrier fabric, so as to generate on one side of the paper machine clothing thus manufactured a surface structure which during paper manufacturing is reproduced having a corresponding topography in the manufactured paper.
- a method for applying a pattern to a paper machine clothing in which a polymer material in an extrusion operation is dispensed from an extrusion head and thus applied to the surface of a carrier structure which may be of a woven-fabric type, for example, is known from EP 1 690 982 A1.
- the extrusion head may be moved arbitrarily above the surface of the carrier structure.
- a clothing for a paper machine in which a basic structure is printed multiple times with a polymer structure, wherein a first polymer layer has a grid-type structure and a second polymer layer largely occupies the clearances in the grid-type first layer and thereby partially superimposes the first layer, is known from US2008/0991701A, for example.
- the manufacture of structures of this type here is achieved by applying a polymer to the entire area of the surface of the basic structure, masking, radiating with light of a specific wavelength, and, on account thereof, curing the parts which are not masked, and subsequently removing the non-cured polymer proportions.
- a woven paper machine fabric for perfused air drying which has a three-dimensional woven pattern which has a structure which has height differences in the Z-direction of 0.2 mm or more, is known from U.S. Pat. No. 7,624,765B.
- the clothing has decorative elements which are surrounded by accentuation areas, the decorative elements being surrounded by the three-dimensional woven pattern of the clothing and having a height lesser than the structure of the woven pattern.
- the woven pattern represents a structured background surface which is the prevailing contact area of the clothing with the paper web.
- the patterns which are generatable in this manner indeed may be fit for their decorative purpose, for example by offering an aesthetic impression in the finished product, for example, but that the physical properties of the clothing and of the product are incapable of being sufficiently influenced by only one pattern component. It is thus desirable for variously shaped patterns to be manufactured, for example, which fulfill different functions.
- combinations of patterns may indeed be generated by way of the above-mentioned methods, the patterns however being all manufactured in the same way and the applied patterns thus having identical cross-sectional shapes in all components, on account of the application method which is always identical. It is thus impossible for individual pattern components having different cross sections to be configured, such that it is likewise impossible for different pattern components for various tasks to be selectively configured in the clothing.
- the method is characterized by high complexity and thus also high costs.
- a cross-sectional shape of a first pattern component and a cross-sectional shape of at least one further pattern component are different from one another.
- aesthetic motifs for example, may be highlighted in an intense and sharp manner and may be surrounded by a background which has been drawn so as to be softer and which is less prominent.
- Coarse patterns for physically modeling de-watering parameters may be combined with fine patterns for designing a visually and haptically appealing surface of the final product.
- the physical and aesthetic properties of the individual pattern components may thus be selectively modified and adjusted in a mutually independent manner, so as to emboss patterns of variable intensity in the finished product and so as to thus also model the physical and aesthetic properties of the finished product. It is furthermore possible for the properties of the clothing in terms of their behavior during manufacturing of the fibrous web to be modeled and on account thereof for dynamic processes to be supported.
- the cross-sectional shape of the pattern components is angular, in particular rectangular or square, or rounded, in particular at least segment-shaped or oval.
- structures which are optionally less or more intensely prominent and which facilitate in influencing the aesthetic and physical properties may be generated in the fibrous web.
- An overall shape of the pattern components may be selected from drops, beads, lines, grid structures, contiguous or non-contiguous elements.
- the pattern components are in mutual contact, mutually intersect, or are mutually isolated, depending on the requirement profile.
- the first pattern component is composed of a first material
- the at least one second pattern component is composed of a second material, wherein the first and the second material may be identical or different from one another. If and when various requirements are set for the pattern components, it may be advantageous for one of the materials to be harder or softer, more resistant to abrasion, smoother or coarser than the other material.
- the material of the pattern components may preferably contain or be composed of: amide, ester, silicone, urethane.
- sizing of the pattern components may be at a height of 0 to 10 mm above the basic structure, at a width of 0.1 to 10 mm, and at a length of 0.1 mm to indefinite.
- Sizing of the pattern components may be particularly preferably identical or variable. There are thus no limits applicable to the diversity of patterns and the precise adjustment of the desired physical parameters, in particular the desired dynamic parameters, of the clothing and to the arbitrary design of the final product.
- pattern components to the basic structure may be performed unilaterally or bilaterally, depending on intended use.
- a combination with further components may likewise be performed, for example in order to manufacture a pressing felt once printing of the basic structure has been completed.
- pattern components may be readily performed by application methods which are known per se, such as extruding, roller coating, spraying, squeegee coating, or screen printing.
- the basic structure may be present as a woven fabric, a cross-laid structure, a warp-knitted fabric, a helical screen, a helically coiled structure, or as films, as a joinable planar structure, or as an endless belt.
- FIG. 1 shows a very schematic plan view of a clothing according to the invention
- FIG. 2 shows a very schematic cross-sectional view of a clothing configured according to the invention.
- a plan view of a clothing 1 which is in particular suitable for use in a machine for manufacturing a fibrous web, such as a paper, cardboard, tissue, or film machine, and in a machine for manufacturing a non-woven product or a composite product, is shown in a very schematic view in FIG. 1 .
- a clothing 1 of this type is shown in a very schematic sectional view in FIG. 2 .
- a plurality of clothings 1 which depending on their position fulfill various tasks are currently provided in such a machine.
- a clothing 1 in the forming section serves as a forming wire and thus for initially de-watering the fibrous suspension which has been sprayed onto the forming wire or has been injected between two forming wires in a double-wire former, and for orienting the fibers in the nascent fibrous web.
- Clothings 1 are provided as pressing felts for further de-watering in the downstream pressing section, which clothings 1 should have a high absorptive capacity for water, good resilience, smooth contact surfaces to the fibrous web, and a low tendency toward rewetting.
- the clothing 1 in the drying section is often configured as a drying wire in the shape of a helical structure and, on account thereof, is distinguished by a high resistance to temperature at high permeability to air.
- Clothings 1 also often serve for incorporating a decorative pattern in the fibrous web, this representing the current standard in the field of hygiene tissues in particular.
- the patterns here have both aesthetic features as well as features which influence the properties of the paper web, such as the grip of the surface, the thickness of the layers, etc.
- the individual features here are often conceived such that a decorative and often also personalized pattern is desirable, but that the latter is not able to fulfill the requirements which are set for the physical properties of the fibrous web. It has thus been necessary to date for the clothing 1 to be subjected to at least two separate operational steps in order for at least two patterns to be manufactured in or on the respective clothing. For example, as mentioned at the outset, is possible for a three-dimensional structure to be generated when manufacturing a basic structure 2 of the clothing 1 , and for this structure to be then superimposed by a pattern which is printed on at least one surface of the clothing 1 , for example.
- the structure of the basic structure 2 here may be manufactured by established weaving patterns, while the printed pattern is applied by a rotary screen printing method, for example.
- the basic structure 2 with at least two pattern components 3 , 4 , which have different cross-sectional shapes and thus generate different effects in terms of the aesthetic appearance and the physical property profile of both the clothing 1 as well as of the finished product.
- Arbitrary planar structures such as woven fabrics, cross-laid fabrics, warp-knitted fabrics, helical wires, helically coiled structures, and also films are employable here as the basic structure 2 .
- the basic structure 2 may be present in a flat form, having the potential for joining, or as an endless belt. Permeability to liquids and gasses is to be selected with a view to the application purpose of the clothing 1 .
- the basic structure 2 may subsequently be combined with additional components which are not illustrated in more detail in the figures, such as layers of staple fibers, films, non-woven reinforcement structures, or coatings on one or both sides, as well as other components, for example impregnations, which adapt the clothing 2 to the prevailing conditions.
- a plurality of at least two pattern components 3 , 4 are applied to the basic structure 2 by arbitrary application methods such as extruding (in the form of drops, lines, films, etc.), coating (by rollers, spraying, or squeegee coating), or screen printing. Application here may be performed on one or on both sides of the basic structure 2 .
- the pattern components 3 , 4 may be composed of an identical material or of different materials. Individual types of polymers or else a plurality of specifically selected groups/classes of polymers may be provided. The selection of the materials may be performed both microscopically as well as macroscopically, depending on the requirements in terms of stability, sizing, smoothness, coefficient of friction, elasticity, open surface, open volume, permeability to gas and liquid, or conveyability of gas and liquid, respectively, etc., of the individual pattern components 3 , 4 .
- Suitable materials here include amides, esters, silicones, and urethanes, and arbitrary combinations thereof.
- the two pattern components 3 , 4 in the exemplary embodiment are provided both with different shapes as well as with different cross sections.
- the first pattern component 3 is configured in the form of elongate formations having an angular cross section, while the second pattern component 4 is present in the form of rotund formations having a cross-sectional shape which is rounded in a substantially convex manner.
- Generating these variously shaped pattern components 3 , 4 may be performed, for example, by extruding a comparatively hard and rapidly curing polymer out of a suitably shaped nozzle for the first pattern component 3 , and by applying a rather liquid polymer which thus bleeds more intensely in a drop-wise manner out of a differently shaped nozzle for the second pattern component 4 .
- a fine and richly detailed background structure in the finished product is generated by the second pattern component 4 by means of a low height above the basic structure and soft and rounded shapes.
- the background structure of the product here is generated by mechanical influences, such as hydraulic pressure and the distribution of the fibers in the fibrous suspension, and later in the finished product.
- the first pattern component 3 stands proud of the basic structure 2 to a greater height and, on account thereof, may impart a higher topography associated with higher functionality. Advantages derived therefrom may be seen in particular in optimizing the drainage of liquid or the conveyance of liquid, respectively, during the dynamic formation of the final product. This higher and coarser structure may conversely serve as a reinforcement of the basic structure 2 .
- the basic structure 2 thus supports the pattern component 3 , while the latter makes available to the clothing 1 a higher volume for liquid absorption. The latter is an important parameter when judging the dynamic properties of the clothing 1 . Throughput rates for masses and gasses are good examples of the dynamic state which is capable of being influenced here, such as can be seen in the drying process by way of migration of liquid or evaporation, for example.
- the ability to be three-dimensional may be semi-permanent (similar to an embossing) or durable and thus be a feature of the finished fibrous web. The latter may be performed in particular during the final finishing steps, such as drying or curing of the final product.
- a further advantageous aspect of the high topography of the first pattern component 3 is to be seen in facilitating drawing-in of the clothing 1 into the fibrous web machine.
- the rotund shapes of the second pattern component 4 in the exemplary embodiment may have similar dimensions with an identical or similar extent in all spatial directions.
Abstract
A fabric for a machine for producing web material, in particular paper, cardboard, tissue, film, a nonwoven product or a composite product, has a base fabric and at least two pattern components. The pattern components are applied to the base fabric. A cross-sectional shape of the first pattern component and a cross-sectional shape of the at least one further pattern component are different.
Description
- The invention proceeds from a clothing for a machine for manufacturing a web material, such as, for example, paper, cardboard, tissue, film, a non-woven product, or a composite product, according to the preamble of claim 1.
- A clothing of this type which may be employed as a forming wire in a paper machine, for example, is known from EP 1 690 981 A1. In this known paper machine clothing, a pattern from polymer material is applied in a rotary printing method by means of a rotary screen to a carrier structure which is configured as a woven fabric, for example. The pattern in substantially any arbitrary design may be applied to the woven carrier fabric, so as to generate on one side of the paper machine clothing thus manufactured a surface structure which during paper manufacturing is reproduced having a corresponding topography in the manufactured paper.
- A method for applying a pattern to a paper machine clothing in which a polymer material in an extrusion operation is dispensed from an extrusion head and thus applied to the surface of a carrier structure which may be of a woven-fabric type, for example, is known from EP 1 690 982 A1. The extrusion head may be moved arbitrarily above the surface of the carrier structure.
- Furthermore, a clothing for a paper machine, in which a basic structure is printed multiple times with a polymer structure, wherein a first polymer layer has a grid-type structure and a second polymer layer largely occupies the clearances in the grid-type first layer and thereby partially superimposes the first layer, is known from US2008/0991701A, for example. The manufacture of structures of this type here is achieved by applying a polymer to the entire area of the surface of the basic structure, masking, radiating with light of a specific wavelength, and, on account thereof, curing the parts which are not masked, and subsequently removing the non-cured polymer proportions.
- A woven paper machine fabric for perfused air drying, which has a three-dimensional woven pattern which has a structure which has height differences in the Z-direction of 0.2 mm or more, is known from U.S. Pat. No. 7,624,765B. The clothing has decorative elements which are surrounded by accentuation areas, the decorative elements being surrounded by the three-dimensional woven pattern of the clothing and having a height lesser than the structure of the woven pattern. The woven pattern represents a structured background surface which is the prevailing contact area of the clothing with the paper web.
- It is disadvantageous in the known clothings that the patterns which are generatable in this manner indeed may be fit for their decorative purpose, for example by offering an aesthetic impression in the finished product, for example, but that the physical properties of the clothing and of the product are incapable of being sufficiently influenced by only one pattern component. It is thus desirable for variously shaped patterns to be manufactured, for example, which fulfill different functions. In many cases, combinations of patterns may indeed be generated by way of the above-mentioned methods, the patterns however being all manufactured in the same way and the applied patterns thus having identical cross-sectional shapes in all components, on account of the application method which is always identical. It is thus impossible for individual pattern components having different cross sections to be configured, such that it is likewise impossible for different pattern components for various tasks to be selectively configured in the clothing.
- If and when various patterns are generated as a result of a specific design of the basic structure by way of a woven pattern and subsequent printing using a polymer, the method is characterized by high complexity and thus also high costs.
- It is thus an object of the present invention to state clothing which is readily manufacturable and which has pattern components that permit the physical and aesthetic properties of the clothing to be selectively influenced.
- The object is achieved by the characterizing features of claim 1 in combination with the generic features.
- It is provided here according to the invention that a cross-sectional shape of a first pattern component and a cross-sectional shape of at least one further pattern component are different from one another. On account thereof, aesthetic motifs, for example, may be highlighted in an intense and sharp manner and may be surrounded by a background which has been drawn so as to be softer and which is less prominent. Coarse patterns for physically modeling de-watering parameters may be combined with fine patterns for designing a visually and haptically appealing surface of the final product. The physical and aesthetic properties of the individual pattern components may thus be selectively modified and adjusted in a mutually independent manner, so as to emboss patterns of variable intensity in the finished product and so as to thus also model the physical and aesthetic properties of the finished product. It is furthermore possible for the properties of the clothing in terms of their behavior during manufacturing of the fibrous web to be modeled and on account thereof for dynamic processes to be supported.
- Further advantageous aspects and refinements of the invention are derived from the dependent claims.
- According to one preferred embodiment of the invention it may be provided that the cross-sectional shape of the pattern components is angular, in particular rectangular or square, or rounded, in particular at least segment-shaped or oval. On account thereof, structures which are optionally less or more intensely prominent and which facilitate in influencing the aesthetic and physical properties may be generated in the fibrous web.
- An overall shape of the pattern components may be selected from drops, beads, lines, grid structures, contiguous or non-contiguous elements.
- It may be advantageously provided that the pattern components are in mutual contact, mutually intersect, or are mutually isolated, depending on the requirement profile.
- It may be advantageously provided that the first pattern component is composed of a first material, and the at least one second pattern component is composed of a second material, wherein the first and the second material may be identical or different from one another. If and when various requirements are set for the pattern components, it may be advantageous for one of the materials to be harder or softer, more resistant to abrasion, smoother or coarser than the other material.
- The material of the pattern components may preferably contain or be composed of: amide, ester, silicone, urethane.
- According to preferred aspects of the invention, sizing of the pattern components may be at a height of 0 to 10 mm above the basic structure, at a width of 0.1 to 10 mm, and at a length of 0.1 mm to indefinite.
- Sizing of the pattern components may be particularly preferably identical or variable. There are thus no limits applicable to the diversity of patterns and the precise adjustment of the desired physical parameters, in particular the desired dynamic parameters, of the clothing and to the arbitrary design of the final product.
- Application of the pattern components to the basic structure may be performed unilaterally or bilaterally, depending on intended use. A combination with further components may likewise be performed, for example in order to manufacture a pressing felt once printing of the basic structure has been completed.
- Application of the pattern components may be readily performed by application methods which are known per se, such as extruding, roller coating, spraying, squeegee coating, or screen printing.
- According to advantageous design embodiments of the invention, the basic structure may be present as a woven fabric, a cross-laid structure, a warp-knitted fabric, a helical screen, a helically coiled structure, or as films, as a joinable planar structure, or as an endless belt.
- The invention will be described in more detail in the following, by way of example, with reference to the figures and without limiting the general scope thereof. In the figures:
-
FIG. 1 shows a very schematic plan view of a clothing according to the invention, and -
FIG. 2 shows a very schematic cross-sectional view of a clothing configured according to the invention. - A plan view of a clothing 1, which is in particular suitable for use in a machine for manufacturing a fibrous web, such as a paper, cardboard, tissue, or film machine, and in a machine for manufacturing a non-woven product or a composite product, is shown in a very schematic view in
FIG. 1 . A clothing 1 of this type is shown in a very schematic sectional view inFIG. 2 . - A plurality of clothings 1 which depending on their position fulfill various tasks are currently provided in such a machine. For instance, a clothing 1 in the forming section serves as a forming wire and thus for initially de-watering the fibrous suspension which has been sprayed onto the forming wire or has been injected between two forming wires in a double-wire former, and for orienting the fibers in the nascent fibrous web. Clothings 1 are provided as pressing felts for further de-watering in the downstream pressing section, which clothings 1 should have a high absorptive capacity for water, good resilience, smooth contact surfaces to the fibrous web, and a low tendency toward rewetting. The clothing 1 in the drying section is often configured as a drying wire in the shape of a helical structure and, on account thereof, is distinguished by a high resistance to temperature at high permeability to air.
- Clothings 1 also often serve for incorporating a decorative pattern in the fibrous web, this representing the current standard in the field of hygiene tissues in particular. The patterns here have both aesthetic features as well as features which influence the properties of the paper web, such as the grip of the surface, the thickness of the layers, etc.
- The individual features here are often conceived such that a decorative and often also personalized pattern is desirable, but that the latter is not able to fulfill the requirements which are set for the physical properties of the fibrous web. It has thus been necessary to date for the clothing 1 to be subjected to at least two separate operational steps in order for at least two patterns to be manufactured in or on the respective clothing. For example, as mentioned at the outset, is possible for a three-dimensional structure to be generated when manufacturing a
basic structure 2 of the clothing 1, and for this structure to be then superimposed by a pattern which is printed on at least one surface of the clothing 1, for example. The structure of thebasic structure 2 here may be manufactured by established weaving patterns, while the printed pattern is applied by a rotary screen printing method, for example. Weaving of suchbasic structures 2 is in particular a very complex process which moreover is very limited in terms of its diversity of patterns. Due to the nature of weaving, in each case only the machine direction, the machine cross direction, and diagonals may be incorporated in the pattern; an arbitrary selection of patterns and a selective intervention in the property profile of the clothing 1 are thus not possible. - Therefore, it is proposed according to the invention to provide the
basic structure 2 with at least twopattern components - Arbitrary planar structures, such as woven fabrics, cross-laid fabrics, warp-knitted fabrics, helical wires, helically coiled structures, and also films are employable here as the
basic structure 2. Thebasic structure 2 may be present in a flat form, having the potential for joining, or as an endless belt. Permeability to liquids and gasses is to be selected with a view to the application purpose of the clothing 1. Thebasic structure 2 may subsequently be combined with additional components which are not illustrated in more detail in the figures, such as layers of staple fibers, films, non-woven reinforcement structures, or coatings on one or both sides, as well as other components, for example impregnations, which adapt theclothing 2 to the prevailing conditions. - A plurality of at least two
pattern components basic structure 2 by arbitrary application methods such as extruding (in the form of drops, lines, films, etc.), coating (by rollers, spraying, or squeegee coating), or screen printing. Application here may be performed on one or on both sides of thebasic structure 2. - The
pattern components individual pattern components - Examples of suitable materials here include amides, esters, silicones, and urethanes, and arbitrary combinations thereof.
- As can be seen from
FIGS. 1 and 2 , the twopattern components first pattern component 3 is configured in the form of elongate formations having an angular cross section, while thesecond pattern component 4 is present in the form of rotund formations having a cross-sectional shape which is rounded in a substantially convex manner. - Generating these variously shaped
pattern components first pattern component 3, and by applying a rather liquid polymer which thus bleeds more intensely in a drop-wise manner out of a differently shaped nozzle for thesecond pattern component 4. - In the exemplary embodiment illustrated, a fine and richly detailed background structure in the finished product is generated by the
second pattern component 4 by means of a low height above the basic structure and soft and rounded shapes. The background structure of the product here is generated by mechanical influences, such as hydraulic pressure and the distribution of the fibers in the fibrous suspension, and later in the finished product. - By contrast, the
first pattern component 3 stands proud of thebasic structure 2 to a greater height and, on account thereof, may impart a higher topography associated with higher functionality. Advantages derived therefrom may be seen in particular in optimizing the drainage of liquid or the conveyance of liquid, respectively, during the dynamic formation of the final product. This higher and coarser structure may conversely serve as a reinforcement of thebasic structure 2. Thebasic structure 2 thus supports thepattern component 3, while the latter makes available to the clothing 1 a higher volume for liquid absorption. The latter is an important parameter when judging the dynamic properties of the clothing 1. Throughput rates for masses and gasses are good examples of the dynamic state which is capable of being influenced here, such as can be seen in the drying process by way of migration of liquid or evaporation, for example. - Further advantages of the more intense topography of the
first pattern component 3 are to be seen in the product having the ability to be three-dimensional. Depending on the specific application of the clothing 1, in particular on the point in time at which embossing into the fibrous web takes place during the manufacturing thereof, the ability to be three-dimensional may be semi-permanent (similar to an embossing) or durable and thus be a feature of the finished fibrous web. The latter may be performed in particular during the final finishing steps, such as drying or curing of the final product. - A further advantageous aspect of the high topography of the
first pattern component 3 is to be seen in facilitating drawing-in of the clothing 1 into the fibrous web machine. On account of there being fewer bearing points present, and on account of the coefficient of friction of the bearing points being able to be reduced due to suitable selection of the material which forms thepattern component 3, it is easier and safer for the personnel to draw-in the clothing 1 and to dismount the latter. - With reference to the dimensions of the
pattern components first pattern component 3 in the illustrated exemplary embodiment. - The rotund shapes of the
second pattern component 4 in the exemplary embodiment may have similar dimensions with an identical or similar extent in all spatial directions. - It is conceivable and possible for further pattern components which are not illustrated in more detail and have further cross-sectional shapes which are identical or different from one another and are from the same or different polymers, having the same or different sizes, to be added to the two
pattern components - The invention is not limited to the illustrated exemplary embodiments. Combinations of the features are particularly possible and conceivable.
Claims (18)
1-11. (canceled)
12. A clothing for a machine for manufacturing a web material, the clothing comprising:
a basic structure;
at least two pattern components applied to said basic structure, said pattern components including a first pattern component and at least one further pattern component, wherein a cross-sectional shape of said first pattern component and a cross-sectional shape of said at least one further pattern component are different from one another.
13. The clothing according to claim 12 , configured for manufacturing a web material of paper, cardboard, tissue, film, a non-woven-product, or a composite product.
14. The clothing according to claim 12 , wherein the cross-sectional shape of said first and further pattern components is angular or rounded.
15. The clothing according to claim 14 , wherein the angular shape is square or rounded and the rounded shape is at least segment-shaped or oval.
16. The clothing according to claim 12 , wherein an overall shape of said first and further pattern components is selected from the group consisting of drops, beads, lines, grid structures, contiguous or non-contiguous elements.
17. The clothing according to claim 12 , wherein said pattern components are arranged to be in mutual contact.
18. The clothing according to claim 12 , wherein said pattern components are arranged to be intersect one another.
19. The clothing according to claim 12 , wherein said pattern components are arranged to be isolated from one another.
20. The clothing according to claim 12 , wherein said first pattern component and said at least one further pattern component are formed of identical materials or of different materials.
21. The clothing according to claim 20 , wherein said first and further pattern components contain or are composed of a material selected from the group consisting of amide, ester, silicone, and urethane.
22. The clothing according to claim 12 , wherein dimensions of said first and further pattern components are at a height of 0 to 10 mm above said basic structure, at a width of 0.1 to 10 mm, and at a length of 0.1 mm to indefinite.
23. The clothing according to claim 22 , wherein the dimensions of said first and further pattern components are identical to one another.
24. The clothing according to claim 22 , wherein the dimensions of said first and further pattern components are different from one another.
25. The clothing according to claim 12 , wherein said first and further pattern components are applied unilaterally to one side of said basic structure.
26. The clothing according to claim 12 , wherein said first and further pattern components are applied bilaterally to both sides of said basic structure.
27. The clothing according to claim 12 , wherein said first and further pattern components have characteristics of having been formed by a process selected from the group consisting of extruding, roller coating, spraying, squeegee coating, and screen printing.
28. The clothing according to claim 12 , wherein said basic structure is a woven fabric, a cross-laid structure, a warp-knitted fabric, a helical screen, a helically coiled structure, in the form of films, a joinable planar structure, or an endless belt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013206265 | 2013-04-10 | ||
DE102013206265.6 | 2013-04-10 | ||
PCT/EP2014/057130 WO2014166984A1 (en) | 2013-04-10 | 2014-04-09 | Fabric for a machine for producing web material |
Publications (1)
Publication Number | Publication Date |
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US20160053436A1 true US20160053436A1 (en) | 2016-02-25 |
Family
ID=50478395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/784,139 Abandoned US20160053436A1 (en) | 2013-04-10 | 2014-04-09 | Clothing for a machine for manufacturing a web material |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160053436A1 (en) |
EP (1) | EP2984226A1 (en) |
CN (1) | CN105229226B (en) |
WO (1) | WO2014166984A1 (en) |
Cited By (7)
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US20160060811A1 (en) * | 2013-04-10 | 2016-03-03 | Voith Patent Gmbh | Device and method for generating a pattern on a clothing for a machine for manufacturing a web material, and clothing |
US10385511B2 (en) * | 2016-07-28 | 2019-08-20 | Kimberly-Clark Worldwide, Inc. | Three-dimensional papermaking belt |
US11396725B2 (en) | 2017-10-27 | 2022-07-26 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
US11427961B2 (en) | 2015-05-01 | 2022-08-30 | The Procter & Gamble Company | Unitary deflection member for making fibrous structures having increased surface area and process for making same |
US11486093B2 (en) | 2015-06-19 | 2022-11-01 | The Procter & Gamble Company | Seamless unitary deflection member for making fibrous structures having increased surface area and process for making same |
US11486092B2 (en) | 2016-10-27 | 2022-11-01 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
US11585045B2 (en) | 2016-10-27 | 2023-02-21 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
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EP2984226A1 (en) * | 2013-04-10 | 2016-02-17 | Voith Patent GmbH | Fabric for a machine for producing web material |
US9938666B2 (en) * | 2015-05-01 | 2018-04-10 | The Procter & Gamble Company | Unitary deflection member for making fibrous structures having increased surface area and process for making same |
DE102016125296A1 (en) | 2016-12-22 | 2018-02-15 | Voith Patent Gmbh | Covering and method for producing a covering |
US20230332353A1 (en) * | 2022-04-19 | 2023-10-19 | Albany International Corp. | Discretized Patterned Belt for Tissues, Towels, and Nonwovens |
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Cited By (10)
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US20160060811A1 (en) * | 2013-04-10 | 2016-03-03 | Voith Patent Gmbh | Device and method for generating a pattern on a clothing for a machine for manufacturing a web material, and clothing |
US11427961B2 (en) | 2015-05-01 | 2022-08-30 | The Procter & Gamble Company | Unitary deflection member for making fibrous structures having increased surface area and process for making same |
US11725342B2 (en) | 2015-05-01 | 2023-08-15 | The Procter & Gamble Company | Unitary deflection member for making fibrous structures having increased surface area and process for making same |
US11486093B2 (en) | 2015-06-19 | 2022-11-01 | The Procter & Gamble Company | Seamless unitary deflection member for making fibrous structures having increased surface area and process for making same |
US11761151B2 (en) | 2015-06-19 | 2023-09-19 | The Procter & Gamble Company | Seamless unitary deflection member for making fibrous structures having increased surface area and process for making same |
US10385511B2 (en) * | 2016-07-28 | 2019-08-20 | Kimberly-Clark Worldwide, Inc. | Three-dimensional papermaking belt |
US11486092B2 (en) | 2016-10-27 | 2022-11-01 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
US11585045B2 (en) | 2016-10-27 | 2023-02-21 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
US11396725B2 (en) | 2017-10-27 | 2022-07-26 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
US11732413B2 (en) | 2017-10-27 | 2023-08-22 | The Procter & Gamble Company | Deflecting member for making fibrous structures |
Also Published As
Publication number | Publication date |
---|---|
CN105229226B (en) | 2017-07-21 |
EP2984226A1 (en) | 2016-02-17 |
CN105229226A (en) | 2016-01-06 |
WO2014166984A1 (en) | 2014-10-16 |
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