Apparatus for injecting resin into a mold

Details Apparatus for injecting resin into a mold Apparatus for injecting resin into a mold

1988-06-07

1990-02-27

Woo, Jay H.

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, 425559, 425562, 425574, B29C 4554

Patent

active

049041789

ABSTRACT:
An injection apparatus of a plunger type for injecting reinforced materials such as BMC is of a single barrel type or a double barrel type having a rotatable plunger disposed in the barrel. A check valve device for preventing a back flow of the materials in a metering process is provided such that it is closed when the plunger is actuated to move axially for injection.

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Hashimoto et al; "Unique Thermoset Injection Molding System for Auto Body Panels"; Society of Automotive Engineers, Inc. Feb. '87.

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