Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With accumulator – trap chamber – or serially arranged valves...
Patent
1989-04-19
1990-10-30
Heitbrink, Jill L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With accumulator, trap chamber, or serially arranged valves...
425558, 425562, 425572, 2642972, 2643288, B29C 4554
Patent
active
049665456
ABSTRACT:
Injection molding apparatus and process characterized by feeding a supply of thermoplastic material to a shooting pot from a supply of thermoplastic material by a hot runner system, delivering a first charge of thermoplastic material from the shooting pot to a mold cavity, and delivering a second charge of thermoplastic material from the shooting pot to the mold cavity.
REFERENCES:
patent: 3840312 (1974-10-01), Paulson et al.
patent: 4525134 (1985-06-01), McHenry et al.
patent: 4734243 (1988-03-01), Kohama et al.
Akselrud Vitaly
Brown Paul
Heitbrink Jill L.
Husky Injection Molding Systems Ltd.
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