Injection-compression mold

Details Injection-compression mold Injection-compression mold

1989-09-01

1991-09-03

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

2643281, 2643287, 425408, 425555, 425DIG127, B29C 4503

Patent

active

050449257

ABSTRACT:
An injection-compression mold having a stationary part and a movable part which are used for injection-molding a molten thermoplastic resin, at least one spring member with one end fixed to at least one of the mold parts and the other arranged so that it can abut against the opposite mold part when the mold is clamped in order that the bias force of the spring member to absorb the clamp force of a molding machine.

REFERENCES:
patent: 2443826 (1948-06-01), Johnson
patent: 3950119 (1976-04-01), Reichenbach
patent: 4013392 (1977-03-01), Smith

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