A multiple-layer flat structure in the form of a printing blanket or a printing plate for flexographic and letterpress printing with laser engraving

A technology of flexographic printing and letterpress printing, which is applied in printing, printing process, printing plate, etc., and can solve problems such as design restrictions on the form of roll products

Inactive Publication Date: 2012-04-11
CONTITECH ELASTOMER BESCHICHTUNGEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] - There are restrictions on the design of the roll product form

Method used

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  • A multiple-layer flat structure in the form of a printing blanket or a printing plate for flexographic and letterpress printing with laser engraving
  • A multiple-layer flat structure in the form of a printing blanket or a printing plate for flexographic and letterpress printing with laser engraving
  • A multiple-layer flat structure in the form of a printing blanket or a printing plate for flexographic and letterpress printing with laser engraving

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0099] figure 1 Shown is a three-layer sheet 1 in the form of a printing blanket or printing plate having a printing layer 2 made of a vulcanized rubber, for example based on EPDM, where the printing layer is combined with a compressible layer 3 in direct contact, the compressible layer is for example in the form of microbeads made of plastic in a rubber mixture. The compressible layer then in turn has direct contact with a reinforcement layer 4, for example made of a textile material.

[0100] figure 2 A five-layer sheet 5 is shown with the following layer sequence:

[0101] - printing layer 6, which layer is made of a vulcanized rubber;

[0102] - a first compressible layer 7, for example in the form of microbeads made of plastic in a rubber mixture;

[0103] - a first reinforcement layer 8, for example made of a textile material;

[0104] - a second compressible layer 9, for example again in the form of microbeads made of plastic in a rubber mixture;

[0105] - A se...

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Abstract

The invention relates to a multiple-layer flat structure (1) in the form of a printing blanket or a printing plate for flexographic and letterpress printing with: - a printing layer (2) which is made from a polymeric material and is provided with laser engraving; - at least one compressible layer (3), and - at least one strength-support layer (4); wherein the individual layers form an adhesive connection among one another. The multiple-layer flat structure (1) according to the invention is distinguished by the fact that the polymeric material of the printing layer (2) is a vulcanisate. Advantageous materials are proposed in this regard. The printing layer (2) expediently lies directly on a compressible layer (3). The compressible layer (3) is in turn in direct contact with a strength-support layer (4).

Description

technical field [0001] The invention relates to a multilayer sheet in the form of a printing blanket or printing plate for flexographic and letterpress printing, the multilayer sheet having: [0002] - a printing layer made of a polymer material and equipped with laser engraving; [0003] - at least one compressible layer, and also [0004] - at least one reinforcement layer; [0005] In this case, the individual layers form an adhesive composite with one another. Background technique [0006] Tablets of this type are disclosed by way of example in the following documents: [0007] EP 0 844 100 B1 [0008] EP 1 315 617 B1 [0009] EP 2 070 717 A1 [0010] WO 02 / 096648 A1 [0011] US 5 798 202 [0012] US 5 804 353 [0013] Technik des Flexodruckes [Flexographic printing tech-nology], pp.173 ff., 4th edition, 1999, Coating Verlag, St. Gallen (CH) [0014] In the available prior art, in the context of flexographic and letterpress printing, the printing layer of this ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41N1/12
CPCB41N2210/02B41N1/12B41C1/05B41N2210/04B41N2210/14B41N10/04
Inventor 斯特凡·菲尔格雷夫克莱门斯·克尼瑟尔
Owner CONTITECH ELASTOMER BESCHICHTUNGEN
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