Mitsubishi Gas Chemical Company, Inc.

Seizo Yabe

Kunio Yamazaki

A process for producing a synthetic resin molded article composed of a film or sheet and an injected resin part, comprising fitting a film or sheet to a cavity of a mold in position and then injection molding a thermoplastic resin, wherein said mold has a magnet buried therein at least at a position of the resin passageway at the gate or its vicinities or positions symmetrical about said passageway to form a magnetic fixing part and said film or sheet has a magnet or a ferromagnetic substance fitted thereto at a position or positions corresponding to said magnet fixing part of the mold. The process makes it possible to automate the step of fitting the sheet to the mold, and provides a large-sized or curved molded article excellent in apearance.

Process for producing synthetic resin molded articles

A process for producing a synthetic resin molded article having a pattern formed on its uneven surface, which comprises fitting a patterned film or sheet to a mold and injecting a thermoplastic resin, wherein said mold has engraved therein such an unevenness that said patterned film or sheet undergoes extension of from 5 to 120% upon resin injection, and said patterned film or sheet is a polycarbonate film or sheet having a thickness of from 0.1 to 1 mm. The resulting molded article has a clearly outlined pattern on the uneven surface.

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Tokyo, Japan

Seizo Yabe