Synthetic resin molding and method for the manufacture thereof

B - Operations – Transporting – 29 – C

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B29C 45/14 (2006.01) B29C 45/16 (2006.01) B44C 3/04 (2006.01) B44F 1/06 (2006.01)

Patent

CA 1291308

ABSTRACT OF THE DISCLOSURE Moldings possessing a front or rear layer of different properties and capable of backlighting, and a method for the manufacture thereof by proceeding so that after printing, by means of the screen printing method, in such a manner that the thickness of the ink layer, applied as a simple layer on a 0.1mm - 2.0mm thick synthetic resin sheet, will be 4µ or more (preferably 5µ or more), or that the thickness of the ink film layer, applied in two or more layers, will be 8µ or more (preferably 10µ or more), or, alternatively, that the thickness of the ink film applied as a simple layer will be 4µ or more (preferably 5µ or more) and the thickness of the ink layer applied in two or more layers will be 8µ or more (preferably 10µ or more), and after processing in a form so that the synthetic resin sheet thus printed can be charged inside the molding die, the die is charged so that said synthetic resin sheet is adjacent to the inner surface of the die, whereupon the molten resin for the forming of the molding is injection-molded after said die has been closed.

579918

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