Mold for injection molding of disc substrate

Details Mold for injection molding of disc substrate Mold for injection molding of disc substrate

2005-04-19

2005-04-19

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

With coupling between charger and mold

C425S567000, C425S810000, C249S111000

Reexamination Certificate

active

06881051

ABSTRACT:
A conduction member having conduction path for injecting molten molding material within a mold space is fitted to one of a pair of mold bodies which form the disc-shaped mold space. A first heat suppressing member for suppressing heat within the conduction path from being transmitted to the one of the mold bodies is disposed between the conduction member and the one of the mold bodies. Further, a second heat suppressing member is disposed at a position opposite to the first heat suppressing member at the time of mold-clamping the pair of the mold bodies.

REFERENCES:
patent: 4622001 (1986-11-01), Bright et al.
patent: 4666396 (1987-05-01), Shaw
patent: 5560939 (1996-10-01), Nakagawa et al.
patent: 5593710 (1997-01-01), Asai
patent: 5705105 (1998-01-01), Inoue
patent: 8-281737 (1996-10-01), None
patent: WO 0046008 (2000-08-01), None

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