Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With product ejector
Patent
1992-06-02
1993-01-19
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With product ejector
264106, 425810, B29D 1700, B29C 4500
Patent
active
051805952
ABSTRACT:
A metal mold for manufacturing a resin substrate useful as a optical recording medium.
REFERENCES:
patent: 4374636 (1983-02-01), Holmes
patent: 4741689 (1988-05-01), Onizawa et al.
patent: 4772196 (1988-09-01), Asai
patent: 4917833 (1990-04-01), Cools
patent: 5006058 (1991-04-01), Maruyama et al.
patent: 5092758 (1992-03-01), Tanaka et al.
patent: 5106553 (1992-04-01), Onisawa et al.
Patent Abstracts of Japan, vol. 9, No. 327 (P-415)(2050) Dec. 21, 1985, and JP-A-60-151852 (Matsushita Denki Sangyo K.K.) Aug. 9, 1985, abstract only.
Bushey Scott
Hitachi Maxell Ltd.
Woo Jay H.
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