Molding apparatus with retractable preform support pins

Details Molding apparatus with retractable preform support pins Molding apparatus with retractable preform support pins

1982-06-28

1984-09-11

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

264 401, 264278, 26427214, 26427215, 425110, 425116, 425123, 425124, 425149, 425DIG5, B29D 300, B29F 110

Patent

active

044707860

ABSTRACT:
A molding method and apparatus in which an insert part is supported in a mold cavity by a pin. The pin is withdrawn when the resin pressure in the mold exceeds a predetermined value.

REFERENCES:
patent: 3238287 (1966-03-01), Chapman
patent: 3330004 (1967-07-01), Cloyd et al.
patent: 3363040 (1968-01-01), Aoki
patent: 3670071 (1972-06-01), Walchle et al.
patent: 3814777 (1974-06-01), Schmidt
patent: 4000877 (1977-01-01), Shead et al.
patent: 4052241 (1977-10-01), Walter
patent: 4067946 (1978-01-01), Rickert
patent: 4100247 (1978-07-01), Shead et al.
patent: 4102973 (1978-07-01), Hanning
patent: 4146601 (1979-03-01), Bishop
patent: 4283835 (1981-08-01), Obrochta et al.
patent: 4318879 (1982-03-01), Gartner

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