Method of forming shaped body from fine particles with carrier f

Details Method of forming shaped body from fine particles with carrier f Method of forming shaped body from fine particles with carrier f

1992-03-11

1993-06-01

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Projecting particles in a moving gas stream

264 56, 264517, 419 66, B29C 4302

Patent

active

052156974

ABSTRACT:
A shaped body is formed from fine particles such as powder, whiskers or short fibers of ceramics or metal, by preparing a mold having a mold chamber, an inlet port open to the mold chamber at its first portion and adapted to introduce a mixture of the fine particles and a carrier fluid into the mold chamber, and an outlet port open to the mold chamber at its second portion substantially opposite to the first portion and adapted to exhaust substantially only the carrier fluid in a gaseous state out of the mold chamber; preparing the mixture of the fine particles and the carrier fluid; and supplying the mixture under a pressure elevated substantially above atmospheric pressure into the mold chamber through the inlet port while exhausting the carrier fluid out of the mold chamber through the outlet port.

REFERENCES:
patent: 3165570 (1965-01-01), Deutsch
patent: 4191726 (1980-03-01), Stillhard et al.
patent: 4221752 (1980-09-01), Bray
patent: 4683118 (1987-07-01), Hayashi et al.
patent: 4731208 (1988-03-01), Nakajima et al.
patent: 4788023 (1988-11-01), Buhler et al.
patent: 5028363 (1991-07-01), Nishio et al.
patent: 5028374 (1991-07-01), Imao et al.
patent: 5047185 (1991-09-01), Engel
patent: 5059112 (1991-10-01), Wieser
patent: 5098620 (1992-03-01), Bradley

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