DE19804997C1 - Marking symbols in plates, especially vehicle number plates with reflective film on plate substrate - Google Patents

Marking symbols in plates, especially vehicle number plates with reflective film on plate substrate

Info

Publication number
DE19804997C1
DE19804997C1 DE19804997A DE19804997A DE19804997C1 DE 19804997 C1 DE19804997 C1 DE 19804997C1 DE 19804997 A DE19804997 A DE 19804997A DE 19804997 A DE19804997 A DE 19804997A DE 19804997 C1 DE19804997 C1 DE 19804997C1
Authority
DE
Germany
Prior art keywords
film
plastic
transparent
signs
layer
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.)
Revoked
Application number
DE19804997A
Other languages
German (de)
Inventor
Albert Pfundstein
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.)
Erich Utsch AG
Original Assignee
ERICH UTSCH KG 57080 SIEGEN DE
Erich Utsch KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7843372&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19804997(C1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ERICH UTSCH KG 57080 SIEGEN DE, Erich Utsch KG filed Critical ERICH UTSCH KG 57080 SIEGEN DE
Priority to DE19804997A priority Critical patent/DE19804997C1/en
Application granted granted Critical
Publication of DE19804997C1 publication Critical patent/DE19804997C1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22Removing surface-material, e.g. by engraving, by etching
    • B44C1/228Removing surface-material, e.g. by engraving, by etching by laser radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44FSPECIAL DESIGNS OR PICTURES
    • B44F1/00Designs or pictures characterised by special or unusual light effects
    • B44F1/02Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • B44F1/04Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces after passage through surface layers, e.g. pictures with mirrors on the back
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/10Registration, licensing, or like devices

Abstract

A process is described for marking plates, especially vehicle number plates, comprising a base plate and a multilayer reflective film. The multilayer reflective film consists of a removable carrier film, a transparent adhesive, a reflective evaporated metal layer, a layer of microscopic glass beads embedded in a transparent plastic and a protective film. Marking is effected by burning the letters, numerals or other marks in the evaporated metal layer using a laser and the metal vapour is deposited onto the glass beads and the plastic matrix surrounding them. For intensification of the markings the reflective film is applied to a coloured metal or plastic plate which shines through from behind the transparent markings. The adhesive layer may be also be coloured to achieve a similar effect. The laser beam is controlled by microprocessor.

Description

Die Erfindung betrifft ein Verfahren zum Beschriften von Schildern, insbesondere Kraftfahrzeug-Kennzeichenschildern, die mit einer reflektierenden Kunststoffolie beschichtet sind, mit alphanumerischen und anderen Zeichen, wobei die auf die Schildplatinen aufzuklebende Kunststoffolie aus einer Trägerfolie, einer ersten transparenten Kleberschicht, einer metallbedampften Reflektorfolie, einer Schicht aus mikroskopisch kleinen Perlen aus Glas oder dgl. Material, die in einer transparenten Abstandsschicht aus Kunststoff eingebettet sind, und aus einer transparenten Schutzfolie besteht und vor dem Aufkleben der reflektierenden Kunststoffolie auf die Schildplatinen die Trägerfolie von der reflektierenden Folie abgezogen wird.The invention relates to a method for labeling Signs, in particular motor vehicle license plates, the are coated with a reflective plastic film, with alphanumeric and other characters, where the on the Plastic boards to be glued on from a single Carrier film, a first transparent adhesive layer, one metal-coated reflector film, a layer of microscopic small beads made of glass or the like. Material in one transparent plastic spacer layer are embedded, and consists of a transparent protective film and before Stick the reflective plastic film on the Shield boards the carrier film from the reflective film is subtracted.

Bei der Herstellung von Kraftfahrzeug-Kennzeichenschildern der gattungsgemäßen Art mit einer reflektierend Folie, die z. B. aus der DE 40 40 386 C1 bekannt sind, wird die Legende mit einer Prägepresse in die Schildplatine aus Aluminium eingeprägt, und anschließend werden die geprägten Ziffern und Buchstaben eingefärbt, wobei sich zum Einfärben die aus der EP 0 785 033 A1 bekannte Maschine anbietet.In the manufacture of motor vehicle license plates of the generic type with a reflective film, the z. B. are known from DE 40 40 386 C1, the legend with a Embossing press stamped into the aluminum plate, and then the embossed digits and letters dyed, the dyes from EP 0 785 033 A1 known machine offers.

Das Prägen und Einfärben der Kennzeichenschilder ist verhältnismäßig zeitaufwendig und erfordert eine Prägepresse und eine Maschine zum Einfärben, die mit einem Kunststoffolienband bestückt werden muß, das mit heiß ablösbarer Farbe beschichtet ist. Dieser Herstellungsaufwand bedingt einen für ein Massenprodukt verhältnismäßig hohen Endpreis.The embossing and coloring of the license plates is relatively time consuming and requires an embossing press and a machine for coloring with a plastic film tape must be equipped, which is coated with heat-releasable paint is. This manufacturing effort requires one for one Mass product relatively high final price.

Der Erfindung liegt die Aufgabe zugrunde, ein preisgünstiges Beschriftungsverfahren für Schilder mit einer reflektierenden Folie, insbesondere für Kraftfahrzeug-Kennzeichenschilder zu entwickeln, das es ermöglicht, alphanumerische und andere Zeichen wie laufende Numerierungen, Namen, Fahrzeugdaten, Embleme und Sicherheitsmarkierungen in die reflektierende Folie des Schildes einzubringen.The invention is based, an inexpensive task Labeling process for signs with a reflective Foil, especially for motor vehicle license plates  develop that enables alphanumeric and others Characters such as serial numbers, names, vehicle data, Emblems and safety markings in the reflective film of the shield.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß zum Beschriften von Schildern der gattungsgemäßen Art, die mit einer reflektierenden Kunststoffolie beschichtet sind, die Metallschicht der Reflektorfolie der Kunststoffolie mittels eines oder mehrerer Laserstrahlen entsprechend den Zeichenkonturen zur Ausbildung transparenter Zeichen in der Reflektorfolie aus gebrannt wird und die Metalldämpfe an den Glasperlen und der diese einbettenden Kunststoffschicht niedergeschlagen werden.This object is achieved in that Labeling of signs of the generic type, with a reflective plastic film are coated, the Metal layer of the reflector film by means of the plastic film one or more laser beams corresponding to the Character contours for the formation of transparent characters in the Reflector film is burned out and the metal vapors on the Glass beads and the plastic layer embedding them be put down.

Die sich an den Glasperlen der Kunststoffolie der Schilder niederschlagenden Metalldämpfe bewirken, daß die transparenten Zeichen in der Reflektorfolie schwach grau bis schwarz erscheinen.The glass beads on the plastic film of the signs Precipitating metal vapors cause the transparent Signs in the reflector film faint gray to black appear.

Eine Intensivierung der dunkel erscheinenden Zeichen der Schilder kann dadurch erreicht werden, daß die Reflektorfolie der Kunststoffolie der Schilder auf ein farbiges, zum Beispiel bei Kraftfahrzeug-Kennzeichenschildern mit schwarzen Buchstaben und Ziffern, schwarzes Substrat aufgebracht wird, derart, daß dieses hinter den transparenten Zeichen der Reflektorfolie des Schildes durchscheint, wobei zweckmäßigerweise die entsprechend schwarz eingefärbte Schildplatine aus Kunststoff oder Metall als Substrat für die Reflektorfolie dient.An intensification of the dark appearing signs of the Signs can be achieved in that the reflector film the plastic film of the signs on a colored one, for example for motor vehicle license plates with black letters and digits, black substrate is applied such that this behind the transparent signs of the reflector foil of the Shield shines through, expediently the corresponding black colored shield plate made of plastic or metal as Serves substrate for the reflector film.

Ferner kann ein farbiger, insbesondere ein schwarzer Kleber zum Aufkleben der Reflektorfolie auf die Schildplatine verwendet werden, so daß der farbige Kleber hinter den transparenten Zeichen der Reflektorfolie durchscheint.A colored, in particular a black, adhesive can also be used used to stick the reflector foil on the shield board be so that the colored glue behind the transparent Sign of the reflector film shines through.

Das Laserbeschriften der Schilder eröffnet die Möglichkeit, das Beschriften mit einem elektronischen Rechner durchzuführen, der den Laserstrahl bzw. die Laserstrahlen digital steuert. Laser marking of the signs opens up the possibility carry out the labeling with an electronic computer, which digitally controls the laser beam or laser beams.  

Beim Laserbeschriften der Schilder werden die Glasperlen und die transparente Schutzfolie der Kunststoffolienbeschichtung nicht beschädigt.When the signs are laser-inscribed, the glass beads and the transparent protective film of the plastic film coating not damaged.

Das erfindungsgemäße Beschriftungsverfahren ermöglicht die Herstellung fälschungssicherer Kraftfahrzeug- Kennzeichenschilder. Ferner eignet sich das Beschriftungsverfahren für die Herstellung von Folien und Schildern mit Beschriftungen und grafischen Darstellungen, die hinterleuchtet sind.The labeling method according to the invention enables Manufacture of anti-counterfeit motor vehicles License plates. This is also suitable Labeling process for the production of foils and Signs with labels and graphic representations that are backlit.

Die DE 40 22 745 A1 beschreibt ein Verfahren zum Anbringen von Konfigurationen wie Schriften und Bildern auf der Rückseite eines Spiegels, der aus einer transparenten Glasscheibe besteht, die auf ihrer Rückseite mit einer Reflexionsschicht und einer diese abdeckenden Schutzschicht versehen ist. Reflexionsschicht und Schutzschicht des Spiegels werden mittels eines Laserstrahls entsprechend des Zeichenkonturen ausgebrannt, so daß die Zeichen aufgrund der von der Farbe der Reflexionsschicht abweichenden Farbgebung durch die Glasscheibe des Spiegels sichtbar werden. Auf die Schutzschicht des Spiegels kann nach dem Ausbrennen der Zeichenkonturen eine Farbschicht aufgebracht werden, so daß die Zeichenkonturen auf der Vorderseite des Spiegels entsprechend farbig erscheinen.DE 40 22 745 A1 describes a method for attachment of configurations such as fonts and pictures on the back a mirror, which consists of a transparent glass pane, the one on the back with a reflective layer and one this covering protective layer is provided. Reflective layer and protective layer of the mirror are made by means of a laser beam burned out according to the character contours so that the characters due to the different color of the reflective layer Coloring through the glass pane of the mirror become visible. The protective layer of the mirror can be burned out after the Character contours a layer of paint are applied so that the Character contours on the front of the mirror accordingly appear in color.

Bei diesem bekannten Verfahren wird nicht gemäß dem erfindungsgemäßen Laserbeschriftungsverfahren die Metallschicht einer Reflektorfolie mittels eines oder mehrerer Laserstrahlen entsprechend den Zeichenkonturen zur Ausbildung transparenter Zeichen ausgebrannt, die durch den Niederschlag der Metalldämpfe an mikroskopisch kleinen Glasperlen und einer diese einbettenden transparenten Kunststoffschicht entstehen.In this known method is not according to laser marking method according to the invention the metal layer a reflector film using one or more laser beams according to the drawing contours for the formation of more transparent Burnt out sign caused by the precipitation of metal fumes on microscopic glass beads and one embedding them transparent plastic layer.

Claims (5)

1. Verfahren zum Beschriften von Schildern, insbesondere Kraftfahrzeug-Kennzeichenschildern, die mit einer reflektierenden Kunststoffolie beschichtet sind, mit alphanumerischen und anderen Zeichen, wobei die auf die Schildplatinen aufzuklebende Kunststoffolie aus einer Trägerfolie, einer ersten transparenten Kleberschicht, einer metallbedampften Reflektorfolie, einer Schicht aus mikroskopisch kleinen Perlen aus Glas, die in einer transparenten Abstandsschicht aus Kunststoff eingebettet sind, und aus einer transparenten Schutzfolie besteht und vor dem Aufkleben der reflektierenden Kunststoffolie auf die Schildplatinen die Trägerfolie von der reflektierenden Folie abgezogen wird, dadurch gekennzeichnet, daß zum Beschriften der Schilder die Metallschicht der Reflektorfolie mittels eines oder mehrerer Laserstrahlen entsprechend den Zeichenkonturen zur Ausbildung transparenter Zeichen in der Reflektorfolie aus gebrannt wird und die Metalldämpfe an den Glasperlen und der diese einbettenden Kunststoffschicht niedergeschlagen werden.1. A method for labeling signs, in particular motor vehicle license plates, which are coated with a reflective plastic film, with alphanumeric and other characters, the plastic film to be glued to the sign boards consisting of a carrier film, a first transparent adhesive layer, a metal-coated reflector film, a layer microscopic beads made of glass, which are embedded in a transparent spacer layer made of plastic, and consists of a transparent protective film and the carrier film is peeled off the reflective film before the reflective plastic film is stuck on the sign boards, characterized in that the lettering on the signs Metal layer of the reflector film is burned out by means of one or more laser beams in accordance with the drawing contours to form transparent signs in the reflector film and the metal vapors on the glass beads and the embed them the plastic layer are deposited. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Reflektorfolie auf ein farbiges Substrat aufgebracht wird, derart, daß dieses hinter den transparenten Zeichen der Reflektorfolie des Schildes durchscheint.2. The method according to claim 1, characterized in that the reflector film is applied to a colored substrate, such that this is behind the transparent signs of the The shield's reflective tape shows through. 3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß die Schildplatine aus Kunststoff oder Metall eingefärbt wird und als Substrat für die Reflektorfolie dient.3. The method according to claim 2, characterized in that the shield plate is colored from plastic or metal and serves as a substrate for the reflector film. 4. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß der Kleber, mit dem die Reflektorfolie auf die Schildplatine aufgeklebt wird, eingefärbt ist. 4. The method according to claim 2, characterized in that the glue with which the reflector film on the shield board is glued, colored.   5. Verfahren nach einem der Ansprüche 1 bis 4, gekennzeichnet durch eine Mikroprozessorsteuerung des Laserstrahls bzw. der Laserstrahlen zum Beschriften der Schilder.5. The method according to any one of claims 1 to 4, characterized by a microprocessor control of the Laser beam or laser beams for labeling the Signs.
DE19804997A 1997-09-24 1998-02-07 Marking symbols in plates, especially vehicle number plates with reflective film on plate substrate Revoked DE19804997C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19804997A DE19804997C1 (en) 1997-09-24 1998-02-07 Marking symbols in plates, especially vehicle number plates with reflective film on plate substrate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19741994 1997-09-24
DE19804997A DE19804997C1 (en) 1997-09-24 1998-02-07 Marking symbols in plates, especially vehicle number plates with reflective film on plate substrate

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DE19804997C1 true DE19804997C1 (en) 1999-02-11

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DE19804997A Revoked DE19804997C1 (en) 1997-09-24 1998-02-07 Marking symbols in plates, especially vehicle number plates with reflective film on plate substrate

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6288842B1 (en) 2000-02-22 2001-09-11 3M Innovative Properties Sheeting with composite image that floats
FR2843402A1 (en) * 2002-08-06 2004-02-13 Samar T Procedure for sticking flat articles to a backing layer, e.g. for making licence plates, uses adhesive with temporary protective layer
EP1536173A1 (en) * 2002-09-05 2005-06-01 Bridgestone Corporation Surface floating body with light reflective material and method of manufacturing the body
US7068434B2 (en) 2000-02-22 2006-06-27 3M Innovative Properties Company Sheeting with composite image that floats
US7108184B2 (en) 2001-03-30 2006-09-19 Baxter International, Inc. Coding symbology and a method for printing same
US7616332B2 (en) 2004-12-02 2009-11-10 3M Innovative Properties Company System for reading and authenticating a composite image in a sheeting
US7800825B2 (en) 2006-12-04 2010-09-21 3M Innovative Properties Company User interface including composite images that float
WO2011023432A1 (en) * 2009-08-27 2011-03-03 Evonik Röhm Gmbh Motor vehicle licence plate comprising at least one translucent, retro-reflective layer
US7981499B2 (en) 2005-10-11 2011-07-19 3M Innovative Properties Company Methods of forming sheeting with a composite image that floats and sheeting with a composite image that floats
US7995278B2 (en) 2008-10-23 2011-08-09 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
US8057980B2 (en) 2000-02-22 2011-11-15 Dunn Douglas S Sheeting with composite image that floats
US8111463B2 (en) 2008-10-23 2012-02-07 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
ES2381719A1 (en) * 2011-11-29 2012-05-31 San Asociados, S.A. Assembly for assembling elements to form e.g. acrylic number plate, of car, has metal substrate comprising upper face to receive strip, and self adhesive flexible strip and non adhesive retro reflective strip pressed against each other
US8236226B2 (en) 2006-07-28 2012-08-07 3M Innovative Properties Company Methods for changing the shape of a surface of a shape memory polymer article
US8459807B2 (en) 2007-07-11 2013-06-11 3M Innovative Properties Company Sheeting with composite image that floats
US8547524B2 (en) 2006-03-21 2013-10-01 Lau Consulting, Inc. Active mask variable data integral imaging system and method
US8586285B2 (en) 2007-11-27 2013-11-19 3M Innovative Properties Company Methods for forming sheeting with a composite image that floats and a master tooling
US10279069B2 (en) 2006-07-28 2019-05-07 3M Innovative Properties Company Shape memory polymer articles with a microstructured surface

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4040386C1 (en) * 1990-12-17 1992-01-02 Erich Utsch Kg, 5900 Siegen, De
DE4022745A1 (en) * 1990-07-18 1992-01-23 Hans Lang Gmbh & Co Kg Ing Mirror patterning - uses laser beam directed through glass pane to evaporate the reflection layer partially
EP0785033A1 (en) * 1996-01-22 1997-07-23 Erich Utsch KG Machine for coloring stamped plates, in particular vehicle registration plates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022745A1 (en) * 1990-07-18 1992-01-23 Hans Lang Gmbh & Co Kg Ing Mirror patterning - uses laser beam directed through glass pane to evaporate the reflection layer partially
DE4040386C1 (en) * 1990-12-17 1992-01-02 Erich Utsch Kg, 5900 Siegen, De
EP0785033A1 (en) * 1996-01-22 1997-07-23 Erich Utsch KG Machine for coloring stamped plates, in particular vehicle registration plates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LINNEKOGEL, P.: Große Freiheit in Fasern und Material. In: Techn. Rundschau, 1990, H. 12, S. 42-47 *

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8057980B2 (en) 2000-02-22 2011-11-15 Dunn Douglas S Sheeting with composite image that floats
US7068434B2 (en) 2000-02-22 2006-06-27 3M Innovative Properties Company Sheeting with composite image that floats
US6288842B1 (en) 2000-02-22 2001-09-11 3M Innovative Properties Sheeting with composite image that floats
US7108184B2 (en) 2001-03-30 2006-09-19 Baxter International, Inc. Coding symbology and a method for printing same
US7213760B2 (en) 2001-03-30 2007-05-08 Baxter International Inc. Coding symbology and a method for printing same
FR2843402A1 (en) * 2002-08-06 2004-02-13 Samar T Procedure for sticking flat articles to a backing layer, e.g. for making licence plates, uses adhesive with temporary protective layer
ES2246608A1 (en) * 2002-08-06 2006-02-16 Samar't, S.A. Procedure for sticking flat articles to a backing layer, e.g. for making licence plates, uses adhesive with temporary protective layer
EP1536173A1 (en) * 2002-09-05 2005-06-01 Bridgestone Corporation Surface floating body with light reflective material and method of manufacturing the body
EP1536173A4 (en) * 2002-09-05 2008-11-05 Bridgestone Corp Surface floating body with light reflective material and method of manufacturing the body
US7616332B2 (en) 2004-12-02 2009-11-10 3M Innovative Properties Company System for reading and authenticating a composite image in a sheeting
US8072626B2 (en) 2004-12-02 2011-12-06 3M Innovative Properties Company System for reading and authenticating a composite image in a sheeting
US7981499B2 (en) 2005-10-11 2011-07-19 3M Innovative Properties Company Methods of forming sheeting with a composite image that floats and sheeting with a composite image that floats
US8547524B2 (en) 2006-03-21 2013-10-01 Lau Consulting, Inc. Active mask variable data integral imaging system and method
US10279069B2 (en) 2006-07-28 2019-05-07 3M Innovative Properties Company Shape memory polymer articles with a microstructured surface
US8236226B2 (en) 2006-07-28 2012-08-07 3M Innovative Properties Company Methods for changing the shape of a surface of a shape memory polymer article
US7800825B2 (en) 2006-12-04 2010-09-21 3M Innovative Properties Company User interface including composite images that float
US8459807B2 (en) 2007-07-11 2013-06-11 3M Innovative Properties Company Sheeting with composite image that floats
US8586285B2 (en) 2007-11-27 2013-11-19 3M Innovative Properties Company Methods for forming sheeting with a composite image that floats and a master tooling
US8111463B2 (en) 2008-10-23 2012-02-07 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
US8514493B2 (en) 2008-10-23 2013-08-20 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
US8537470B2 (en) 2008-10-23 2013-09-17 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
US7995278B2 (en) 2008-10-23 2011-08-09 3M Innovative Properties Company Methods of forming sheeting with composite images that float and sheeting with composite images that float
WO2011023432A1 (en) * 2009-08-27 2011-03-03 Evonik Röhm Gmbh Motor vehicle licence plate comprising at least one translucent, retro-reflective layer
ES2381719A1 (en) * 2011-11-29 2012-05-31 San Asociados, S.A. Assembly for assembling elements to form e.g. acrylic number plate, of car, has metal substrate comprising upper face to receive strip, and self adhesive flexible strip and non adhesive retro reflective strip pressed against each other

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8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
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8327 Change in the person/name/address of the patent owner

Owner name: ERICH UTSCH AG, 57080 SIEGEN, DE

8331 Complete revocation