Process for producing synthetic resin molded articles

Details Process for producing synthetic resin molded articles Process for producing synthetic resin molded articles

1988-10-13

1990-10-09

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264261, 264267, 425 3, 425DIG33, B29C 4516

Patent

active

049618946

ABSTRACT:
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.

REFERENCES:
patent: 4427615 (1984-01-01), Eskesan

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