Mold for injection molding and a method of operating a mold

Details Mold for injection molding and a method of operating a mold Mold for injection molding and a method of operating a mold

2007-01-02

2007-01-02

Davis, Robert (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With preform severing means movable relative to mold

C425S556000, C425S286000, C425S151000, C425S185000, C425S195000

Reexamination Certificate

active

10910897

ABSTRACT:
A fixed mold (10) has engaging pins (17) projecting towards a movable mold (20). Each engaging pin (17) includes a shaft (17A) and a large-diameter portion (17C) formed at the leading end of the shaft (17A). The large-diameter portions (17C) of the engaging pins (17) interfere with the bottom surfaces of recesses (53) of an ejector plate (50) in the process of separating the movable mold (20). Thus, the ejector plate (50) is moved forward relative to the movable mold (20) and leading ends of ejector pins (90) project from the movable mold (20).

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