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Inking system for intaglio printing machine

A gravure printing machine, ink feeding technology, applied in the field of ink feeding system, can solve the problem of damage to the surface of the scraper and cylinder

Inactive Publication Date: 2007-02-07
KBA NOTASYS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] -) Further reducing the gap between the scraper and the ink fountain will inevitably bring the scraper into contact with the ink fountain, thus damaging the scraper and the roller surface

Method used

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  • Inking system for intaglio printing machine
  • Inking system for intaglio printing machine
  • Inking system for intaglio printing machine

Examples

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Embodiment Construction

[0025] In FIG. 1 a first embodiment of an inking system according to the invention is shown. In this embodiment, there is an ink fountain, generally indicated by reference numeral 1 , comprising an ink fountain roller 2 , an ink adjustment blade 3 for the ink fountain roller 2 and an ink transfer portion 4 . The fountain roller inks the selective inking cylinder 5 with an engraved surface. The surface of the optional inking cylinder 5 can be directly engraved, or preferably, the cylinder is provided with engravings whose engravings correspond to the patterns that must be inked in a given colour. In a manner known in the art, the inking cylinder comprises recesses 7 in which clamping means (not shown) are provided to hold the printing plate 6 in place.

[0026] The inking system further comprises a wiping roller 8, preferably a dry wiping roller, which is used to scrape the surface of the inking cylinder 5, so that only the ink present in the engraving of the inking cylinder 5...

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PUM

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Abstract

The system for an intaglio printing machine comprises at least a duct (1) for inking the surface of an engraved selective inking cylinder (5) which in turn inks the surface of a plate cylinder (16) of the intaglio printing machine via a chablon roller (17) having reliefs (18) corresponding to engravings (27) to be inked on said plate cylinder (16). Said inking system further comprises a wiping system (8) for wiping the surface of said selective inking cylinder and recuperating the wiped ink in the duct (1).

Description

technical field [0001] The invention relates to an inking system of an intaglio printing machine for printing securities, such as banknotes, cheques, passports, identity cards and the like. Background technique [0002] In the field of multicolor gravure printing, in order to obtain good printing quality, it is necessary to fill the thin and deep engraved lines of the engraved intaglio with a precise amount of ink, but at the same time, more ink than is required to fill the fine grooves and transfer to the engraving The amount of ink in the non-engraved areas of the intaglio is minimized, improving machine operability and reducing ink consumption. [0003] Examples of prior art printing machines are presented in US Patents 4,516,496, 5,062,359 and 5,899,145, the contents of which are incorporated herein by reference. [0004] Modern gravure printing presses and processes provide an inking system with coarse adjustment of the ink volume along the axis of the printing cylinde...

Claims

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Application Information

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IPC IPC(8): B41F9/06B41F31/20B41F9/10B41F31/02
CPCB41F9/1018B41F9/063B41F9/021B41F9/10B41F9/16B41F9/06B41F31/02B41F31/20
Inventor F·乔利J·G·谢德D·贝尔特希R·菲纳
Owner KBA NOTASYS SA
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