Method for forming a powdered or a granular material

Details Method for forming a powdered or a granular material Method for forming a powdered or a granular material

1988-08-01

1990-12-11

Fertig, Mary Lynn

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

29423, 264 56, 264125, 419 23, 419 24, 419 26, 419 42, 419 43, 419 49, 419 69, 428558, B22F 306

Patent

active

049769154

ABSTRACT:
A method in which various kinds of powdered or granular materials such as metal, ceramic and the like are put into a metal cylindrical container which can be plastically-deformed, or in the space between a container and a core or a substrate, the surroundings are sealed so that the powdered or granular materials do not leak out, the container is locally pressed by a small roller, and the locally pressed treatment is provided to the whole container region. Therefore, the internal powdered or granular materials are pressurized to a uniform density without regard to selective parts, and the materials are formed to various shapes by means of the local pressing.

REFERENCES:
patent: 3205289 (1965-09-01), Carpenter
patent: 4126451 (1978-11-01), Nayar
patent: 4362563 (1982-12-01), Stadler
patent: 4584170 (1986-04-01), Aslund et al.
patent: 4640816 (1987-02-01), Atzmon et al.

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