Plastic article or earthenware shaping or treating: apparatus – Female mold and means to feed measured charge of fluent... – Means to move feed means to female mold
Patent
1996-10-28
1998-03-31
Mackey, James P.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to feed measured charge of fluent...
Means to move feed means to female mold
425448, B29C 4334, B30B 1530
Patent
active
057335885
ABSTRACT:
An improved molding equipment includes highly efficient, durable, and wear and abrasion resistant sliding elements. In particular, the equipment has a feeder box and a ware plate arranged for sliding contact each comprising high precision tetragonal zirconia polycrystal (TZP) ceramic or alternatively zirconia-alumina ceramic composite. Moreover, a die cavity arranged along the ware plate has a ceramic die retaining element to enable high efficiency as well as wear and abrasion resistant sliding contact with the feeder box.
REFERENCES:
patent: 4975397 (1990-12-01), Dworak et al.
patent: 5002911 (1991-03-01), Matsumoto et al.
Chatterjee Dilip K.
Ghosh Syamal K.
Bailey, Sr. Clyde E.
Eastman Kodak Company
Mackey James P.
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