Pressing ceramic powders

Plastic and nonmetallic article shaping or treating: processes – Shaping or treating radioactive material

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Details

264109, 264337, 425405H, 425406, B30B 502, B30B 1102

Patent

active

043747876

ABSTRACT:
A pelleting press in which the die has at least a part which is fluid-permeable so that powder in the die can be compressed simultaneously by fluid permeating the die and mechanically from at least one end of the die. It has a particular application in the pelleting of nuclear fuel powders.
The die may be of reaction - sintered silicon carbide rendered fluid-permeable by removal of silicon.

REFERENCES:
patent: 3419935 (1969-01-01), Pfeiler et al.
patent: 3495939 (1970-02-01), Forrest
patent: 3550198 (1970-12-01), Roberts
patent: 3571854 (1971-03-01), Lundstrom
patent: 3604060 (1971-09-01), Lundstrom
patent: 3830607 (1974-08-01), Baxendale et al.
patent: 4009977 (1977-03-01), Chao
patent: 4097977 (1978-07-01), Pollner

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