External frame injection molding apparatus

Details External frame injection molding apparatus External frame injection molding apparatus

1980-10-03

1983-06-21

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

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

With means to close mold

425593, B29C 116, B29F 100

Patent

active

043891837

ABSTRACT:
A plastic injection molding device comprises a fixed plate 5 and a movable plate 7 bearing the two halves of a mold 3, a fixed plate 10 forming a bed, and hydraulic jacks 15, 17, 20 for moving and locking the plate 7. The plates are fixed or slidably mounted within a plurality of parallel hollow rectangular frames 11 which evenly distribute the forces transmitted by the fixed plates.

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patent: 3667891 (1972-06-01), Gelin
patent: 3695809 (1972-10-01), Vicini
patent: 3828956 (1974-08-01), Dubo
patent: 3890308 (1975-06-01), Collins

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