Foil-decorating injection molding method

Details Foil-decorating injection molding method Foil-decorating injection molding method

1997-07-31

1999-08-31

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264513, 264550, 264553, 264267, 425112, 425388, B29C 4514, B29C 4516, B29C 5110

Patent

active

059450592

ABSTRACT:
A foil-decorating injection molding method and a foil-decorating injection molding apparatus adjust the tautness of a decorative sheet fed onto a parting surface of a female mold so that tensions T.sub.1, T.sub.2 and T.sub.3 of the decorative sheet during a sheet feed operation of the sheet feed means, at the start of the sheet clamping operation of the clamper for pressing and fixing the decorative sheet and at a moment immediately before the completion of the sheet clamping operation, respectively, meet an inequality: T.sub.1 .gtoreq.T.sub.2 >T.sub.3 to prevent the decorative sheet from breaking or slipping off the clamper when clamping the decorative sheet on the parting surface of the female mold.

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61 297115 A (Japan Steel Works Ltd), Dec. 27, 1986 *abstract*.
Patent Abstracts of Japan vol. 16, No. 450 (M-1312), Sep. 18, 1992 & JP 04 158015 A (Nissha Printing Co Ltd), Jun. 1, 1992, *abstract*. JP 60 220717 A (Toyota Jidosha KK), Nov. 5, 1985 *abstract*.
Patent Abstracts of Japan vol. 95, No. 11, Dec. 26, 1995 & JP 07 227877 A (Dai Nippon Printing Co Ltd), Aug. 29, 1995 *abstract*.

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