Plastic molding apparatus

Details Plastic molding apparatus Plastic molding apparatus

1992-12-23

1995-07-04

Nguyen, Khanh

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With product ejector

264334, 425444, 425564, 425566, B29C 4523, B29C 4540

Patent

active

054294924

ABSTRACT:
A molding apparatus for plastic parts which includes a stationary core plate and a moveable cavity plate used to form a mold cavity, and an ejector plate with pins utilized to eject the molded part from the apparatus. The valve used to inject the liquid plastic, which may be coupled to the core plate or the cavity plate, is always located on the same side of the plastic part as the ejector plate.

REFERENCES:
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patent: 2671933 (1954-03-01), Mye
patent: 3161918 (1964-12-01), Zcarbaugh
patent: 3671159 (1972-06-01), Greenberg et al.
patent: 3672807 (1972-06-01), Genz
patent: 3732055 (1973-05-01), Hujik
patent: 3914086 (1975-10-01), Hujik
patent: 4013391 (1977-03-01), Boden et al.
patent: 4647274 (1987-03-01), Oda
patent: 4655274 (1987-04-01), Dannoura
patent: 4973239 (1990-11-01), Hessmann et al.
patent: 5074779 (1991-12-01), Tsutsumi et al.
patent: 5256364 (1993-10-01), Herbst

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