B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/130, 25/84
B28B 3/00 (2006.01) B30B 5/02 (2006.01) B30B 11/00 (2006.01)
Patent
CA 2014312
ABSTRACT OF THE DISCLOSURE A jig for isostatic-pressing ceramics comprises a mold having a cavity in the center thereof and pressure-medium diaphragms arranged on the both sides of the cavity. Ceramic feed granules filled in the cavity are isostatically pressurized through the diaphragms. Further, a jig for isostatic-pressing ceramics comprises a pressure- transferable plate with at least one penetrated holes placed on the outer surface of the pressure-medium diaphragm for transferring outside pressure. In addition, a method for isostatic-pressing ceramics, in which ceramic feed materials are filled in the cavity of the jig as described above, and shaping is conducted by applying pressure isostatically from outside after air-tight seal has been established between the pressure-medium diaphragms and the mold. Therefore; large size shaping ceramic can be easily produced in a single stage of isostatic-pressing with excellent dimensional accuracy.
Shimizu Hideki
Watanabe Keiichiro
Marks & Clerk
Ngk Insulators Ltd.
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