Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means
Patent
1987-03-12
1988-06-28
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Female mold type means
264 466, 264261, 264278, 425125, 425127, 425412, 425444, B28B 2300
Patent
active
047535865
ABSTRACT:
An apparatus for making composite plastic product includes a mold insert with locating boss formations preformed from high strength plastic having openings formed therethrough; and wherein the insert is configured to be located on a mold cover which carries a locking device to hold the insert in place and wherein the locking device includes automatically operated knock-out means that engage the boss to separate a molded part from the lid when the locking device is released.
REFERENCES:
patent: 3363040 (1968-01-01), Katashi-Aoki
patent: 3914086 (1975-10-01), Hujik
patent: 4058284 (1977-11-01), Rath
patent: 4106745 (1978-08-01), Carrow
patent: 4420447 (1983-12-01), Nakashima
patent: 4519567 (1985-05-01), Rautenberg
Bushey C. Scott
Evans John C.
Ex-Cell-O Corporation
Woo Jay H.
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