Injection mold

Details Injection mold Injection mold

2006-10-03

2006-10-03

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

C149S111000, C149S114000, C425S168000, C425S547000, C264S328110

Reexamination Certificate

active

07114946

ABSTRACT:
An injection mold includes a sliding member having a partial cavity surface which forms part of a cavity surface, and an adjacent member having a partial cavity surface which forms part of the cavity surface. A sliding surface of the sliding member is guided by a sliding surface of the adjacent member and is linearly movable by a relative sliding distance. A portion from the partial cavity surface to the sliding surface of at least one of the sliding member and adjacent member is continuously coated with a heat insulating coat, and a range over which the sliding surface is coated with the heat insulating coat is so set as to exceed an end of the relative sliding distance, where an edge of the partial cavity surface of the adjacent member contacts with the sliding surface of the sliding member.

REFERENCES:
patent: 4225109 (1980-09-01), Yotsutsuji et al.
patent: 4659056 (1987-04-01), Michaud-Soret
patent: 5176839 (1993-01-01), Kim
patent: 5535980 (1996-07-01), Baumgartner et al.
patent: 53-86754 (1978-07-01), None
patent: 9-262838 (1997-10-01), None

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