Apparatus for molding plastic articles

Details Apparatus for molding plastic articles Apparatus for molding plastic articles

1978-12-20

1980-08-26

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

425555, 425576, 425588, B29C 100, B29F 100

Patent

active

042193222

ABSTRACT:
A apparatus are disclosed for molding plastic articles, wherein the method includes the steps of filling a mold cavity at a first station with heated flowable plastic material and then displacing the mold to a second station where the plastic material is cooled under pressure. The apparatus includes a rotatable support for displacing the mold between the first and second stations, a plastic supply means at the first station to fill the molds, and a displaceable rod at the second station for insertion into the mold to apply pressure to the plastic material during solidification cooling.

REFERENCES:
patent: 2217336 (1940-10-01), Eden
patent: 2351774 (1944-06-01), McGowen
patent: 2617150 (1952-11-01), Rubin et al.
patent: 3025567 (1962-03-01), Sherman
patent: 3218375 (1965-11-01), Hardwick
patent: 3374500 (1968-03-01), Drenning
patent: 3375553 (1968-04-01), Criss
patent: 3436446 (1969-04-01), Angell
patent: 3604059 (1971-09-01), Liddell
patent: 3670066 (1972-06-01), Valyi

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