Injection mold

Details Injection mold Injection mold

2007-05-15

2008-10-28

Gupta, Yogendra (Department: 1791)

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...

C425S553000, C264S161000

Reexamination Certificate

active

07442033

ABSTRACT:
An exemplary injection mold includes a first mold, a second mold, and a trimming member. The first mold and the second mold cooperatively define a cavity therein, for forming a molded article. A runner is defined in the second mold and communicated with the cavity, for melted resin running therethrough. A through hole is defined in the second mold, with an end disposed at a connection between the runner and the cavity. The trimming member is slidably received in the through hole, moving between a first position to allow melted resin flowing into the cavity and a second position to prevent melted resin flowing into the cavity.

REFERENCES:
patent: 4647275 (1987-03-01), Lundquist
patent: 4952354 (1990-08-01), Yokoi et al.
patent: 5098281 (1992-03-01), Kitamura
patent: 5961901 (1999-10-01), Asai

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