Chromaticity printing technique of in-mold label injection molding sheet material
A technology of color register printing and in-mold labeling, applied in printing process, printing, post-processing of printing, etc., can solve the problems of low yield rate and easy rubbing of ink on the surface of keys, so as to improve product quality, bright patterns and outlines. clear effect
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[0028] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.
[0029] This embodiment takes mobile phone keypad printing as an example to illustrate the overprint printing process of the present invention. The mobile phone keyboard is mainly produced by printing, molding, injection molding and trimming the formable sheet. In the production of mobile phone keyboards, the mobile phone keyboard is first printed, and then the printed sheet is put into the molding mold, and the sheet is formed into a keyboard shape by hot pressing, and then the formed keys are filled by injection molding. It can be made after trimming.
[0030] Printing of mobile phone keyboard: (1) Put the sheet on the printing table, print the background color of the keyboard, with symbols, characters or patterns in the background color, wherein the symbols, characters and patterns are each a hollow unit, and print There a...
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