Stack injection molding apparatus with separately actuated...

Details Stack injection molding apparatus with separately actuated... Stack injection molding apparatus with separately actuated...

2006-08-08

2006-08-08

Smith, Duane (Department: 1722)

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...

C425S570000, C425S572000

Reexamination Certificate

active

07086852

ABSTRACT:
A stack injection molding apparatus has first and second arrays of valve gate injection nozzles and separate mechanisms for independently actuating the nozzles of each array. A separate reciprocating yoke plate engages the valve pins of each nozzle array, and is actuated by either one centrally located actuator or a pair of symmetrically located actuators.

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