Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to cause relative movement between mold and charger
Patent
1994-09-29
1996-05-14
Heitbrink, Tim
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With means to cause relative movement between mold and charger
264106, 264107, 425575, 425589, 425810, B29C 4564
Patent
active
055162762
ABSTRACT:
A die assembly for molding a disc such as a compact disc, a video disc or the like by employing an injection molding process. The die assembly comprises a stationary die half including as essential components a stationary platen, a base die half, and an insert die half received on the stationary platen, and a movable die half. The insert die half includes a first insert for fixing the insert die half on the stationary platen, and a first mirror surface board removably received in a cavity of the first insert. The insert die half can be easily installed and removed into/from an installation space defined by a pair of retaining members and a die receiving member and when installed, it can be certainly and easily fixed by a pair of retaining members.
REFERENCES:
patent: 4473346 (1984-09-01), Hehl
patent: 4544340 (1985-10-01), Hehl
patent: 4555228 (1985-11-01), Nishiike et al.
patent: 5096404 (1992-03-01), Janos et al.
patent: 5114329 (1992-05-01), Nakamura et al.
Aiba Shuji
Kanai Toshiyuki
Miyairi Kazuki
Nakazawa Makoto
Takayama Kazutoshi
Heitbrink Tim
Nissei Plastics Industrial Co. Ltd.
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