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Novel offset printing and hot stamping technique

An offset stamping and process technology, applied in the field of new offset stamping bronzing process, can solve the problems of scratching, sticking to the back, revealing the base of the base paper, etc., so as to improve the qualified rate of products, avoid quality problems, and ensure the effect of product quality.

Inactive Publication Date: 2014-07-16
广西真龙彩印包装有限公司
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AI Technical Summary

Problems solved by technology

This process has the following disadvantages: when the process conditions are not well controlled during hot stamping, it is easy to expose the bottom of the base paper due to the incomplete hot stamping, resulting in waste products; Rubbing, sticking back and other phenomena, resulting in waste products
That is to say, this process still has shortcomings such as unstable bronzing quality and low product qualification rate.

Method used

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Embodiment Construction

[0017] This novel offset hot stamping process includes the following steps in turn:

[0018] (1) Send the substrate to each printing color group of the offset printing machine in turn, and print with ultraviolet curable ink, specifically: one or more of the printing color groups are printed with solid ink, and the parts that need to be bronzed on the solid ink printing plate Hollow out; according to the color of the anodized aluminum that needs to be stamped, use one or more printing color groups in the remaining printing color groups to print the ink of the required color on the printing surface of the substrate to be bronzed in the form of screen, Form a backing ink layer, so that the color of the surface of the above-mentioned substrate to be bronzed is consistent with the color of the anodized aluminum. After the printed matter is printed by each printing color group of the offset printing machine, a backing ink layer is formed on the area of ​​the printed matter that need...

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PUM

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Abstract

A novel offset printing and hot stamping technique sequentially includes: (1) feeding articles to be printed to printing color cells of an offset printing press sequentially and printing with ultraviolet curing ink, wherein one or more printing color cells are utilized to perform full oil printing, and positions, required to be hot stamped, on full oil printing surfaces are hollowed out; ink in required colors is printed on printed surfaces of the articles to be printed in a screening manner by one or more printing color cells of other printing color cells according to the color of alumite requiring hot stamping, a lining ink layer is formed, and the surface color of the surface of positions, required to be hot stamped, of the articles to be printed is enabled to be consistent with that of the alumite; (2) hot stamping alumite on the articles to be printed by a hot stamping machine to form a hot stamping pattern layer covering the lining ink layer. The novel offset printing and hot stamping technique is good in hot stamping effect and capable of effectively avoiding quality problem, caused by incomplete hot stamping, of products which are subjected to offset printing prior to hot stamping, product quality is guaranteed, and product percentage of pass is increased.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to a novel offset printing bronzing process. Background technique [0002] In recent years, with the continuous development of the technical level of the printing and packaging industry, the product grades have been continuously improved; especially in the fiercely competitive tobacco industry, in order to enhance the visual effect of cigarette packs, various processes have been continuously introduced. The design level, printing quality, Finishing is also continuously being improved. Among the various post-press processing techniques of cigarette packs, the bronzing process is popular and widely used because of its unique surface decoration effect (clear and beautiful patterns after bronzing, bright and eye-catching colors, wear-resistant and weather-resistant). . Hot stamping has two main functions: one is surface decoration, which can increase the added value of products, and ...

Claims

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Application Information

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IPC IPC(8): B41F19/06B41F7/02B41G1/00
Inventor 唐福想黄江伟
Owner 广西真龙彩印包装有限公司
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