Method for laser imprinting transfer on wrapping paper

A wrapping paper and laser technology, applied in the printing of special varieties of printed matter, post-processing of printing, printing, etc., can solve the problems of limited coating amount, poor coating quality, and insufficient overprinting accuracy, and achieve soft texture, The effect of laser transfer quality enhancement

Inactive Publication Date: 2010-06-23
ZRP PRINTING GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a laser imprint transfer method with thick UV oil layer and high precision in order to overcome the disadvantages of poor coating quality, insufficient overprint accuracy and limited coating amount in the existing laser imprint transfer method

Method used

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Embodiment Construction

[0017] Below in conjunction with specific embodiment the present invention is described in further detail:

[0018] A method for laser embossing transfer on wrapping paper, comprising the following steps:

[0019] A. Pre-coat UV oil on the paper by screen printing;

[0020] B. Contact the coating surface of the laser film with the UV oil surface on the paper, and the UV oil sticks to the side of the laser film with the laser coating;

[0021] C. UV light is irradiated to cure the UV oil;

[0022] D. Peel off the laser film;

[0023] E. The laser coating on the laser film is stuck to the paper by the dried UV oil to complete the laser transfer.

[0024] The basic principle of screen printing is: use the basic principle that some meshes of the screen printing plate are transparent to UV oil, and some meshes are not transparent to UV oil for printing.

[0025] The method of screen printing is: pour UV oil on one end of the screen printing plate during printing, apply a certai...

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PUM

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Abstract

The invention discloses a method for laser imprinting transfer on wrapping paper. The main techniques of the method comprise the following steps: A. UV oil is pre-coated on the paper by a screen printing method; namely in printing, the UV oil is poured into one end of a screen printing plate, a scraper blade exerts certain pressure in the UV oil position on the screen printing plate, and at the same time the UV oil moves to the other end of the screen printing plate; the UV oil is extruded on the paper by the scraper blade from parts of oil penetrating meshes in moving; B. the coating surface of a laser film is touched with the UV oil surface on the paper, and the UV oil is stuck to the surface of the laser film with the laser coating; C. the irradiation of a UV light solidifies the UV oil; D. the laser film is stripped; and E. the dried UV oil of the laser coating on the laser film completes laser transfer on the paper. In order to overcome the defects of bad coating quality, insufficient overprinting precision and limited coating amount of the existing method for laser imprinting transfer, the invention provides the method for laser imprinting transfer with thick UV oil layer and high precision.

Description

【Technical field】 [0001] The invention relates to a laser embossing transfer method on wrapping paper. 【Background technique】 [0002] In order to make the packaging paper of cigarette boxes, toothbrush boxes, packaging boxes, book covers, etc. beautiful, the laser coating on the laser film is often transferred and embossed on the packaging paper, so that the packaging paper has a laser effect and is radiant. While highlighting the theme of the layout, it also improves the surface decoration effect of the printed matter, so as to achieve the purpose of making the printed matter even better. [0003] In order to make the laser coating on the laser film adhere to the wrapping paper, it is necessary to pre-coat the paper with UV oil. In the prior art, a partial UV machine is generally used for coating. Partial UV machine coating, using UV oil with high brightness, transparency and wear resistance, UV oil is stuck on the coating roller, and the coating roller rotates to coat th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M3/12B41M7/00
Inventor 谭荣洪
Owner ZRP PRINTING GRP CO LTD
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