Process for molding plastic articles

Details Process for molding plastic articles Process for molding plastic articles

1975-05-16

1978-04-11

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264318, 264334, 425442, 425537, 425541, B29C 1707, B29C 700

Patent

active

040839109

ABSTRACT:
A mold composed of two half-molds arranged to undergo pivotal movement into a mold closing position, for molding an article having a reentrant portion extending to both sides of the plane of closure of the half-molds, is also arranged so that during pivotal movement out of the mold closing position one of the half-molds undergoes translational movement parallel to the plane of closure in order to release the reentrant portion of the article from the mold cavity.

REFERENCES:
patent: 3753641 (1973-08-01), Turner et al.
patent: 3840317 (1974-10-01), Koch et al.
patent: 3848042 (1974-11-01), Shelby

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