WO1999039916A1 - Non-tearing letterpress printing form - Google Patents

Non-tearing letterpress printing form Download PDF

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Publication number
WO1999039916A1
WO1999039916A1 PCT/EP1999/000810 EP9900810W WO9939916A1 WO 1999039916 A1 WO1999039916 A1 WO 1999039916A1 EP 9900810 W EP9900810 W EP 9900810W WO 9939916 A1 WO9939916 A1 WO 9939916A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
pressure mold
protective layer
dye
mold according
Prior art date
Application number
PCT/EP1999/000810
Other languages
German (de)
French (fr)
Inventor
Martin Schleussner
Original Assignee
Technoplast Beschichtungsgesellschaft Mbh
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 Technoplast Beschichtungsgesellschaft Mbh filed Critical Technoplast Beschichtungsgesellschaft Mbh
Priority to EP99907519A priority Critical patent/EP1053106B1/en
Priority to DE59905735T priority patent/DE59905735D1/en
Priority to PT99911899T priority patent/PT1012239E/en
Publication of WO1999039916A1 publication Critical patent/WO1999039916A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/12—Printing plates or foils; Materials therefor non-metallic other than stone, e.g. printing plates or foils comprising inorganic materials in an organic matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/02—Engraving; Heads therefor
    • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
    • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam

Definitions

  • the subject of the present patent application is a high-pressure mold for printing processes, a process for producing the high-pressure mold and the use of the high-pressure mold in printing processes.
  • high-pressure molds are used in which the printing parts are raised compared to the non-printing parts. It is assumed that a high-pressure mold with a flat surface is provided by indentations in the area of the non-printing parts.
  • the high-pressure molds consist of a two-layer structure, i.e. of a carrier layer and a dye or varnish transfer layer on it.
  • the carrier layer can be a metal or plastic film which gives the printing form a certain stability, while the ink or lacquer-transmitting layer is usually a polymer which can be removed by suitable means.
  • This dye or varnish transfer layer is removed by chemical or mechanical processes to determine the non-printing parts of the high pressure mold.
  • sharp or pointed objects e.g. Knives or awls are used, which can also damage the carrier layer when the dye or varnish transfer layer is removed.
  • the high-pressure form can tear or tear if it is inserted into the printing unit under mechanical tension. The consequences of this tearing apart from the increased use of material and the loss of time for the production of a new high-pressure mold are also the machine downtimes and the possible damage to the printing press.
  • the object of the present invention is to provide a high-pressure mold which is less sensitive to the mechanical removal of the dye or lacquer-transmitting layer and thus overcomes the disadvantages of the prior art described.
  • the object according to the invention is achieved by a high-pressure mold according to claim 1, a process for producing the high-pressure mold according to claim 6 and the use of the high-pressure mold according to claim 9.
  • the further claims represent preferred embodiments.
  • Figure 1 shows schematically the structure of the high pressure mold according to the invention.
  • the high-pressure mold according to the invention has a protective layer 3 between the carrier layer 1 and the dye or lacquer-transmitting layer 2, which protects the carrier layer 1 from mechanical damage.
  • a protective layer 3 between the carrier layer 1 and the dye or lacquer-transmitting layer 2, which protects the carrier layer 1 from mechanical damage.
  • a means for connecting the respective layers can be located between the carrier layer 1 and the protective layer 3 or between the dye or lacquer-transmitting layer 2 and the protective layer 3 of the high-pressure mold according to the invention.
  • the layers of the high pressure form according to the invention can be chemically, e.g. be connected by an adhesive, as well as physically by lamination or amination.
  • the protective layer can preferably consist of biaxially stretched polyester or of metals such as aluminum or stainless steel. It is crucial that the material - 3 - rial is suitable to protect the carrier layer 1 from mechanical damage.
  • the high-pressure mold according to the invention is produced by laminating, laminating or coating the carrier layer 1 with a protective layer 3 and the application of a dye or lacquer-transferring layer 2 to the composite of carrier layer 1 and protective layer 3.
  • a means for bonding can be applied between the carrier layer 1 and the protective layer 3 and / or between the protective layer 3 and the dye or lacquer-transmitting layer 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Laminated Bodies (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention relates to a letterpress printing form having a supporting layer (1) and an ink or lacquer transfer layer (2). The invention is characterized in that a protective layer (3) which protects the supporting layer (1) from mechanical damage is located between the supporting layer (1) and the ink or lacquer transfer layer (2).

Description

Einreißgeschützte Hochdruckform Tear-proof high pressure mold
Gegenstand der vorliegenden Patentanmeldung ist eine Hochdruckform für Druckverfahren, ein Verfahren zur Herstellung der Hochdruckform sowie die Verwendung der Hochdruckform in Druckverfahren.The subject of the present patent application is a high-pressure mold for printing processes, a process for producing the high-pressure mold and the use of the high-pressure mold in printing processes.
In Hochdruckverfahren werden Hochdruckformen verwendet, bei denen die druckenden Teile gegenüber den nichtdruckenden Teile erhöht sind. Ausgegangen wird dazu von einer Hochdruckform mit einer ebenen Oberfläche durch Anbringen von Vertiefungen im Bereich der nichtdruckenden Teile.In high-pressure processes, high-pressure molds are used in which the printing parts are raised compared to the non-printing parts. It is assumed that a high-pressure mold with a flat surface is provided by indentations in the area of the non-printing parts.
Allgemein bestehen die Hochdruckformen aus einem zweischichtigen Aufbau, d.h. aus einer Trägerschicht und einer daraufbefindlichen färb- oder lackübertragenden Schicht. Die Trägerschicht kann eine Metall- oder Kunststoff-Folie sein, die der Druckform eine gewisse Stabilität gibt, während die färb- oder -lackübertragende Schicht meist ein Polymer ist, das sich mit geeigneten Mitteln entfernen läßt.In general, the high-pressure molds consist of a two-layer structure, i.e. of a carrier layer and a dye or varnish transfer layer on it. The carrier layer can be a metal or plastic film which gives the printing form a certain stability, while the ink or lacquer-transmitting layer is usually a polymer which can be removed by suitable means.
Diese färb- oder lackübertragende Schicht wird durch chemische oder mechanische Prozesse entfernt, um die nichtdruckende Teile der Hochdruckform zu bestimmen. Speziell bei der mechanischen Entfernung der färb- oder lackübertragenden Schicht können scharfe oder spitze Gegenstände, z.B. Messer oder Ahlen zum Einsatz kommen, die bei der Entfernung der färb- oder lackübertragenden Schicht zusätzlich die Trägerschicht verletzen können. Selbst wenn die Trägerschicht nur oberflächlich angeritzt wird, kann die Hochdruckform ein- oder zerreißen, wenn sie unter mechanischer Spannung in das Druckwerk eingesetzt wird. Die Folgen dieses Zerreißens sind, neben dem erhöhtem Materialeinsatz und dem Zeitverlust für die Herstellung einer neuen Hochdruckform, auch die Maschinenstillstände sowie die sich eventuell ergebenden Beschädigungen der Druckmaschine.This dye or varnish transfer layer is removed by chemical or mechanical processes to determine the non-printing parts of the high pressure mold. Especially when mechanically removing the dye or varnish transfer layer, sharp or pointed objects, e.g. Knives or awls are used, which can also damage the carrier layer when the dye or varnish transfer layer is removed. Even if the carrier layer is scratched only superficially, the high-pressure form can tear or tear if it is inserted into the printing unit under mechanical tension. The consequences of this tearing apart from the increased use of material and the loss of time for the production of a new high-pressure mold are also the machine downtimes and the possible damage to the printing press.
BESTATIGUNGSKOPIE - 2 -CONFIRMATION COPY - 2 -
Aufgabe der vorliegenden Erfindung ist es, eine Hochdruckform zur Verfügung zu stellen, die weniger empfindlich auf die mechanische Entfernung der färb- oder lackübertragenden Schicht reagiert und somit die geschilderten Nachteile des Standes der Technik überwindet.The object of the present invention is to provide a high-pressure mold which is less sensitive to the mechanical removal of the dye or lacquer-transmitting layer and thus overcomes the disadvantages of the prior art described.
Gelöst wird die erfϊndungsgemäße Aufgabe durch eine Hochdruckform gemäß Anspruch 1 , ein Verfahren zur Herstellung der Hochdruckform gemäß Anspruch 6 und die Verwendung der erfϊndungsgemäßen Hochdruckform gemäß Anspruch 9. Die weiteren Ansprüche stellen bevorzugte Ausführungsformen dar.The object according to the invention is achieved by a high-pressure mold according to claim 1, a process for producing the high-pressure mold according to claim 6 and the use of the high-pressure mold according to claim 9. The further claims represent preferred embodiments.
Die Figur 1 zeigt schematisch den Aufbau der erfindungsgemäßen Hochdruckform.Figure 1 shows schematically the structure of the high pressure mold according to the invention.
Die erfmdungsgemäße Hochdruckform weist zwischen der Trägerschicht 1 und der färb- oder lackübertragenden Schicht 2 eine Schutzschicht 3 auf, die die Trägerschicht 1 von mechanischer Beschädigung bewahrt. Bei der üblichen mechanischen Entfernung der färb- oder lackübertragenden Schicht im Bereich der nichtdruckenden Flächen wird die Trägerschicht 1 vor einer mechanischen Beschädigung durch die Schutzschicht 3 bewahrt. Spitze Gegenstände, die zur Entfernung der färb- oder lackübertragenden Schicht 2 verwendet werden und dabei versehentlich tiefer als die farb- oder lackübertragenden Schicht 2 in die Hochdruckform eindringen, beschädigen die Schutzschicht 3, ohne die Trägerschicht zu beschädigen.The high-pressure mold according to the invention has a protective layer 3 between the carrier layer 1 and the dye or lacquer-transmitting layer 2, which protects the carrier layer 1 from mechanical damage. With the usual mechanical removal of the dye or lacquer-transmitting layer in the area of the non-printing surfaces, the carrier layer 1 is protected from mechanical damage by the protective layer 3. Pointed objects, which are used to remove the dye or lacquer-transmitting layer 2 and thereby accidentally penetrate deeper than the ink or lacquer-transmitting layer 2 into the high-pressure mold, damage the protective layer 3 without damaging the carrier layer.
Ein Zerreißen der Hochdruckform unter der mechanischen Spannung des Druckvorgangs wird somit vermieden. Zwischen der Trägerschicht 1 und der Schutzschicht 3 bzw. zwischen der färb- oder lackübertragenden Schicht 2 und der Schutzschicht- 3 der erfindungsgemäßen Hochdruckform kann sich ein Mittel zum Verbinden der jeweiligen Schichten befinden.Tearing of the high pressure mold under the mechanical tension of the printing process is thus avoided. A means for connecting the respective layers can be located between the carrier layer 1 and the protective layer 3 or between the dye or lacquer-transmitting layer 2 and the protective layer 3 of the high-pressure mold according to the invention.
Die Schichten der erfindungsgemäßen Hochdruckform können sowohl chemisch, z.B. durch einen Klebstoff, als auch physikalisch durch Kaschieren oder aminieren verbunden sein.The layers of the high pressure form according to the invention can be chemically, e.g. be connected by an adhesive, as well as physically by lamination or amination.
Die Schutzschicht kann vorzugsweise aus biaxial gerecktem Polyester oder aus Metallen wie Aluminium oder Edelstahl bestehen. Entscheidend ist dabei, daß das Mate- - 3 - rial geeignet ist, die Trägerschicht 1 vor einer mechanischen Beschädigung zu bewahren.The protective layer can preferably consist of biaxially stretched polyester or of metals such as aluminum or stainless steel. It is crucial that the material - 3 - rial is suitable to protect the carrier layer 1 from mechanical damage.
Die Herstellung der erfindungsgemäßen Hochdruckform erfolgt durch Kaschieren, Laminieren oder Beschichten der Trägerschicht 1 mit einer Schutzschicht 3 und das Aufbringen einer färb- oder lackübertragenden Schicht 2 auf den Verbund aus Trägerschicht 1 und Schutzschicht 3.The high-pressure mold according to the invention is produced by laminating, laminating or coating the carrier layer 1 with a protective layer 3 and the application of a dye or lacquer-transferring layer 2 to the composite of carrier layer 1 and protective layer 3.
In dem erfindungsgemäßen Verfahren zur Herstellung der einreißgeschützte Hochdruckform kann zwischen die Trägerschicht 1 und die Schutzschicht 3 und/oder zwischen die Schutzschicht 3 und die färb- oder lackübertragende Schicht 2 ein Mittel zum Verbinden aufgebracht werden.In the method according to the invention for producing the high-pressure mold protected against tearing, a means for bonding can be applied between the carrier layer 1 and the protective layer 3 and / or between the protective layer 3 and the dye or lacquer-transmitting layer 2.
Insbesondere vorteilhaft ist die Verwendung der erfindungsgemäßen Hochdruckform in Druckverfahren zur Vermeidung des Zerreißens der Hochdruckform aufgrund von mechanischen Beschädigungen der Trägerschicht. It is particularly advantageous to use the high-pressure mold according to the invention in printing processes to prevent the high-pressure mold from tearing due to mechanical damage to the carrier layer.

Claims

- 4 -Patentansprüche - 4 patent claims
1. Hochdruckform für Druckverfahren mit einer Trägerschicht (1) und einer farb- oder lackübertragenden Schicht (2), dadurch gekennzeichnet, daß sich zwischen der Trägerschicht (1) und der färb- oder lackübertragenden Schicht (2) eine die Trägerschicht (1) vor mechanischer Beschädigung bewahrende Schutzschicht (3) befindet.1. High-pressure mold for printing processes with a carrier layer (1) and a color or varnish transfer layer (2), characterized in that between the carrier layer (1) and the dye or varnish transfer layer (2) one the carrier layer (1) protective layer (3) protecting mechanical damage.
2. Hochdruckform gemäß Anspruch 1, dadurch gekennzeichnet, daß sich zwischen der Trägerschicht (1) und der Schutzschicht (3) ein Mittel zum Verbinden befindet.2. High pressure mold according to claim 1, characterized in that there is a means for connecting between the carrier layer (1) and the protective layer (3).
3. Hochdruckform gemäß Anspruch 1 und/oder 2, dadurch gekennzeichnet, daß sich zwischen der färb- oder lackübertragenden Schicht (2) und der Schutzschicht (3) ein Mittel zum Verbinden befindet.3. High pressure mold according to claim 1 and / or 2, characterized in that there is a means for connecting between the dye or varnish-transmitting layer (2) and the protective layer (3).
4. Hochdruckform gemäß mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Trägerschicht (1), die Schutzschicht (3), die färb- oder lackübertragende Schicht (2) und/oder die Mittel zum Verbinden chemisch und/oder physikalisch verbunden sind.4. High-pressure mold according to at least one of claims 1 to 3, characterized in that the carrier layer (1), the protective layer (3), the dye or lacquer-transmitting layer (2) and / or the means for connecting chemically and / or physically connected are.
5. Hochdruckform gemäß mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Schutzschicht (3) im wesentlichen aus Aluminium, biaxial gerecktem Polyester oder Edelstahl besteht.5. High pressure mold according to at least one of claims 1 to 4, characterized in that the protective layer (3) consists essentially of aluminum, biaxially stretched polyester or stainless steel.
6. Verfahren zur Herstellung einer Hochdruckform gemäß mindestens einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß eine Trägerschicht (1) durch Kaschieren, Laminieren oder Beschichten mit einer Schutzschicht (3) versehen wird und die Schutzschicht (3) mit einer färb- oder lackübertragenden Schicht (2) versehen wird. - 5 -6. A method for producing a high-pressure mold according to at least one of claims 1 to 5, characterized in that a backing layer (1) is provided with a protective layer (3) by lamination, lamination or coating and the protective layer (3) with a coloring or paint-transferring layer (2) is provided. - 5 -
7. Verfahren gemäß Anspruch 6, dadurch gekennzeichnet, daß zwischen der Trägerschicht (1) und der Schutzschicht (3) ein Mittel zum Verbinden aufgetragen wird.7. The method according to claim 6, characterized in that between the carrier layer (1) and the protective layer (3) a means for connecting is applied.
8. Verfahren gemäß Anspruch 6 und/oder 7, dadurch gekennzeichnet, daß zwischen die Schutzschicht (3) und die färb- oder lackübertragende Schicht (2) ein Mittel zum Verbinden aufgebracht wird.8. The method according to claim 6 and / or 7, characterized in that between the protective layer (3) and the dye or lacquer-transmitting layer (2) a means for connecting is applied.
9. Verwendung einer Hochdruckform gemäß mindestens einem der Ansprüche 1 bis 5 in Druckverfahren zur Vermeidung des Zerreißens der Hochdruckform. 9. Use of a high pressure mold according to at least one of claims 1 to 5 in printing processes to avoid tearing of the high pressure mold.
PCT/EP1999/000810 1998-02-06 1999-02-08 Non-tearing letterpress printing form WO1999039916A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP99907519A EP1053106B1 (en) 1998-02-06 1999-02-08 Non-tearing letterpress printing form
DE59905735T DE59905735D1 (en) 1998-02-06 1999-02-08 Tear-proof high pressure mold
PT99911899T PT1012239E (en) 1998-02-06 1999-04-08 Method and system for managing immunocompetent cell batches for delayed use

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19804672.3 1998-02-06
DE1998104672 DE19804672A1 (en) 1998-02-06 1998-02-06 Tear-proof high pressure mold

Publications (1)

Publication Number Publication Date
WO1999039916A1 true WO1999039916A1 (en) 1999-08-12

Family

ID=7856806

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/000810 WO1999039916A1 (en) 1998-02-06 1999-02-08 Non-tearing letterpress printing form

Country Status (4)

Country Link
EP (1) EP1053106B1 (en)
DE (2) DE19804672A1 (en)
PT (1) PT1012239E (en)
WO (1) WO1999039916A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004053824A1 (en) * 2004-11-04 2006-05-11 Folex Coating Gmbh Printing form for paints
DE202016003289U1 (en) 2016-05-30 2017-09-20 Folex Coating Gmbh Paint form for flexo and offset printing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344233A1 (en) * 1972-09-09 1974-03-21 Newton Horwood Ltd PRINT PLATE AND METHOD OF MANUFACTURING IT
FR2559426A1 (en) * 1984-02-10 1985-08-16 Ferre Jean Michel Flexographic plate
EP0306933A2 (en) * 1987-09-09 1989-03-15 BONNER ZEITUNGSDRUCKEREI UND VERLAGSANSTALT H. NEUSSER GmbH & CO. KG Printing plate for letter press rotary printing
WO1993023253A1 (en) * 1992-05-11 1993-11-25 E.I. Du Pont De Nemours And Company A process for making a multilayer flexographic printing plate
DE19633643A1 (en) * 1996-08-21 1998-03-05 Schepers Druckformtechnik Gmbh Printing roller or cylinder with a core made of metal or plastic and method for producing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2344233A1 (en) * 1972-09-09 1974-03-21 Newton Horwood Ltd PRINT PLATE AND METHOD OF MANUFACTURING IT
FR2559426A1 (en) * 1984-02-10 1985-08-16 Ferre Jean Michel Flexographic plate
EP0306933A2 (en) * 1987-09-09 1989-03-15 BONNER ZEITUNGSDRUCKEREI UND VERLAGSANSTALT H. NEUSSER GmbH & CO. KG Printing plate for letter press rotary printing
WO1993023253A1 (en) * 1992-05-11 1993-11-25 E.I. Du Pont De Nemours And Company A process for making a multilayer flexographic printing plate
DE19633643A1 (en) * 1996-08-21 1998-03-05 Schepers Druckformtechnik Gmbh Printing roller or cylinder with a core made of metal or plastic and method for producing the same

Also Published As

Publication number Publication date
EP1053106A1 (en) 2000-11-22
DE59905735D1 (en) 2003-07-03
PT1012239E (en) 2010-03-02
DE19804672A1 (en) 1999-08-12
EP1053106B1 (en) 2003-05-28

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