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Transfer device with magnetic field drying device

A technology of transfer device and transfer layer, applied in transfer printing, rotary printing machine, general parts of printing machinery, etc., can solve the problems of strengthening finishing quality, unevenness, damage, etc., and achieve the effect of tight connection

Inactive Publication Date: 2012-05-16
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Uniform warping of the transfer layer and substrate already leads to an undesired impairment of finishing quality
Impairment of finishing quality reinforced by uneven warpage

Method used

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  • Transfer device with magnetic field drying device
  • Transfer device with magnetic field drying device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] the only attached figure 1 A partial view of a cold foil embossing device 1 is schematically shown. The cold foil embossing device 1 comprises at least one application device 2 arranged upstream of the transfer device 10 . The cold foil embossing unit 1 can have one or more subsequent processing units, for example printing units 18 , downstream of the transfer unit 10 . A further sheet processing device arranged upstream of the application device 2 is likewise conceivable.

[0022] The adhesive 3 is applied to the sheet 4 in the application device 2 . For this purpose, adhesive 3 is provided in an adhesive supply 5 . For example, the adhesive 3 can be applied from the adhesive supply 5 to the printing plate 6 by means of a conventional ink unit. For this purpose, the printing forme 6 is tensioned on the forme cylinder. The adhesive 3 can also be applied to the printing form in a similar manner by means of a dampening device. An inking unit or dampening unit is esp...

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PUM

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Abstract

The present invention relates to a transfer device with a magnetic field drying device, and particularly to a cold foil transfer device and a corresponding transfer method. When cold foil transfer is performed, adhesive is applied on a substrate (4) and the adhesive passes through a transfer gap (13) together with the transfer coil (11), wherein, a transfer layer is transferred to the substrate (4) from the transfer coil (11) under a pressure function according to adhesive arrangement. For durably connecting with the substrate (4), the adhesive is heated or activated through a UV heating device. Adverse effect occurs because of heat. According to the transfer device, magnetic field dryers (17,17',17'') are equipped and magnetic adhesive (3) is used as the adhesive, wherein the magnetic adhesive can be activated through the magnetic field dryers (17,17',17''). Therefore the adverse heat induction can be prevented.

Description

technical field [0001] The invention relates to a transfer device for transferring a transfer layer from a transfer foil to a printing substrate, comprising: an application device for applying an adhesive layer to said printing substrate; a transfer device with a transfer roller and a transfer foil A transfer device, the transfer cylinder forming a transfer nip together with the impression cylinder, the transfer foil passing through the transfer nip together with the printing material, wherein on the area of ​​the printing material loaded with adhesive The transfer layer is transferred to the substrate. Furthermore, the invention relates to a method for transferring a corresponding transfer layer to the region of the printing material provided with an adhesive layer and furthermore to a method for separating the printing material from a coating, wherein the coating The connection to the printing substrate is via a magnetically activatable adhesive layer. Background techniqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F16/00B41F23/04
CPCB41F16/0013B41F19/004B41F19/005B41F23/0486B41F16/0033
Inventor B・吕特克A・韦伯
Owner HEIDELBERGER DRUCKMASCHINEN AG
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