Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means between charger and mold to cut off flow of...
Patent
1978-06-06
1980-07-22
Pavelko, Thomas P.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means between charger and mold to cut off flow of...
425DIG229, B29F 103
Patent
active
042137519
ABSTRACT:
An injection mold assembly wherein moldable material is delivered to a plurality of injection molds through a manifold runner and wherein flow into each mold is controlled by a gate valve. The gate valve is mounted independently of the manifold runner and has a valve stem which extends freely through a valve stem passage in the manifold runner with there being an actuator on the side of the manifold runner remote from the injection mold for reciprocating the valve stem to effect opening and closing of the gate valve.
REFERENCES:
patent: 2773284 (1956-12-01), Kelly
patent: 2803854 (1957-08-01), Smous
patent: 3488810 (1970-01-01), Gellert
patent: 3716318 (1973-02-01), Erik
patent: 3926219 (1975-12-01), Ersfeld
patent: 4043740 (1977-08-01), Gellert
Brown Charles E.
Pavelko Thomas P.
The Continental Group Inc.
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