Isostatic press mold for producing moldings from ceramic materia

Details Isostatic press mold for producing moldings from ceramic materia Isostatic press mold for producing moldings from ceramic materia

1986-04-30

1987-11-03

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means to create a vacuum or apply fluid pressure within a...

264 56, 425389, 425406, 425DIG19, 425DIG44, B30B 502

Patent

active

047040823

ABSTRACT:
The invention concerns an isostatic press mold for producing moldings from powdery ceramic material. The mold comprises two mold parts which are movable relative to one another between a mold-closed position and a mold-open position and which, in the mold-closed position, define between them a mold cavity. On at least one of the mold parts, there is a press diaphragm which on one side defines part of the limiting surface of the mold cavity and on the other side is subjected to a pressure fluid. On its said other side, that is to say on its side facing away from the mold cavity, the press diaphragm is designed with a plurality of recess spaces so that the press mold can be deformed, while at the same time reducing the internal stresses occurring in it.

REFERENCES:
patent: 2152738 (1939-04-01), Jeffery
patent: 2847708 (1958-08-01), Hamjian et al.
patent: 3594877 (1971-07-01), Suda
patent: 3897532 (1975-07-01), Lyssy
patent: 4496299 (1985-01-01), Pettersson

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