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Reusable printing form

A printing plate and printing surface technology, applied to the printing plate with one printing surface, and the field of graphic formation of reusable printing plates, which can solve the problems of expensive and time-consuming

Inactive Publication Date: 2008-02-13
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the solution according to the technical principle of document EP 0 962 333 A1, the production of a high-grade monolayer on any untreated surface is expensive and time-consuming

Method used

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  • Reusable printing form
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Embodiment Construction

[0038] An advantageous embodiment of the reusable printing plate according to the invention and the pattern formation of the reusable printing plate according to the invention will be described below by means of the example of a naturally oxidized titanium surface and n-octadecane-phosphonic acid. An advantageous embodiment of the method, wherein the universality is not limited in terms of hydrophilic-lipophilic organic compounds and in terms of metal oxide surfaces.

[0039] Figure 1 shows a flow chart of an advantageous embodiment of the method according to the invention for forming graphics of a reusable printing plate according to the invention. Samples with a titanium surface are available from the company "Goodfellow". In order to firstly decontaminate the titanium surface to be treated, it is irradiated with light in the ultraviolet wavelength range. Step 10 of the method of preparing a reusable printing plate comprises applying a hydrophilic-lipophilic organic compoun...

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Abstract

A reusable printing form comprises a printing area having a metal oxide surface that is treated with amphiphilic organic compound having a polar region with an acidic character. Independent claims are also included for: (a) a printing unit or printing machine having at least reusable printing form; (b) a method for imaging a reusable printing form comprising producing an image on the printing area by selectively inputting energy on a dot-by-dot basis, and erasing the image through large-surface input of energy subsequent to printing on a printing substrate; and (c) a method for creating an imageable printing area comprising treating the metal oxide surface with amphiphilic organic compound(s) having a polar region with an acidic character.

Description

[0001] This application is a divisional application of the invention patent application with the application number 03145004.0 entitled "Reusable Printing Plate" filed on June 17, 2003. technical field [0002] The invention relates to reusable printing plates, especially printing plates with one printing surface for offset printing. The present invention also relates to a pattern forming method of a reusable printing plate. Background technique [0003] Printing plates are used in the printing mechanism of a printing press for applying a predetermined printing pattern, predetermined theme or image to printed material. Typical printing materials are paper, cardboard, cardboard, organic polymers, fabric or the like. In this case mainly printing plates are used, on whose printing surface (ie on a part of the surface of the printing plate) the pattern to be printed is permanently applied, formed or drawn. This printed version can only be used once. Reusable printing plates, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41N1/00B41N3/00B41C1/10G03F7/004B41N1/14G03F7/00
CPCB41N3/006B41N1/006B41C1/1041B41C1/1008
Inventor 马丁·古特弗莱施格拉尔德·埃里克·豪普特曼哈拉尔德·拉策尔格哈尔德·派特尔沃尔夫冈·埃克
Owner HEIDELBERGER DRUCKMASCHINEN AG
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