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Performing local coating using foil

A technology of coating and carrier foil, which is applied in the field of partial coating with foil, can solve the problems of increasing the investment cost and space consumption of printing factories, and achieve the effect of flexible processing and stable composition

Active Publication Date: 2012-07-11
HEIDELBERGER DRUCKMASHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to use this method and this device it is necessary to provide an additional laminating device, which on the one hand increases maintenance, takes up space and on the other hand increases the investment costs of the printing plant

Method used

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  • Performing local coating using foil
  • Performing local coating using foil
  • Performing local coating using foil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] figure 1 A partial view of a lamination device 1 with an application unit 2 and a lamination unit 3 is shown.

[0028] A sheet 4 is conveyed as a substrate through the laminating device 1 in direction 5 . During this conveyance, the sheet 4 first passes through the printing nip 6 , in which the adhesive is applied to the sheet 4 at least in the region where the laminating foil 41 is to be subsequently applied. The printing nip 6 is formed by an impression cylinder 8 and a blanket cylinder 7 , which serves here as an application cylinder. Via the forme cylinder and the inking unit pressed against it, the adhesive can be transferred via the application unit 2 to the sheet 4 instead of the ink regions, as in conventional inking units of printing presses. The sheet 4 loaded with adhesive in this way is conveyed via the transfer roller 9 into the laminating unit 3 and further passes through the laminating device 1 . In the lamination unit 3 the sheets 4 are guided through...

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Abstract

The present invention relates to performing local coating using foil, in particular to a method, an apparatus and a composite foil (10) used for a corresponding method for enabling a substrate (4) to laminate. The composite foil (10) is formed by a lamination foil (41) and a carrier foil (40) to guide the composite and pages (4) and an adhesive layer to pass through a lamination slot (12). In the lamination slot (12), the lamination segment (76) of the composite foil is transmitted to the pages (4). Through a cutting apparatus (17, 17', 17'') for transverse or longitudinal cutting, the lamination foil (41) is cut in the condition of not damaging the carrier foil (40) to generate the lamination segment (76), and the cutting apparatus is arranged in the front of the lamination slot (12). In this way, a flexible and variable lamination structure is generated in an expected area and be superior to the local coating with a thickness (D).

Description

technical field [0001] The invention relates to a method, a device and a composite foil for use in a corresponding method for laminating a substrate, wherein the substrate is supplied to a lamination unit comprising at least one layer Lamination rollers and counter rollers, which together form a lamination gap, to which lamination foil is supplied, said lamination foil passing through said lamination gap together with said substrate, wherein said lamination The foil is transferred under pressure onto the substrate in the lamination gap. Background technique [0002] When processing a substrate, preferably a printing material such as paper in sheet-fed or web form, it is often provided to increase the gloss of the printing material at least in regions or, for example, over the entire sheet or to protect the already printed printing material from further external influences. influences. [0003] In order to increase the gloss and / or to protect the printing material itself, i...

Claims

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Application Information

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IPC IPC(8): B32B37/10B32B37/12B32B38/04
CPCB41F19/008B44C1/105B41F19/001B41M7/0027B32B38/0004B32B37/1284B32B37/025
Inventor M・尤尔克维茨J・劳泰尔特J・松嫩沙因A・韦伯
Owner HEIDELBERGER DRUCKMASHINEN AG
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