Method and apparatus for producing a powder compact

Details Method and apparatus for producing a powder compact Method and apparatus for producing a powder compact

1993-11-22

1995-09-12

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Autogenously or by activation of dry coated particles

264109, 425352, 425410, B29C 4302

Patent

active

054494818

ABSTRACT:
Methods and apparatuses for producing a powder compacts are disclosed. A powder compaction apparatus includes a recess formed by die and a lower punch inserted into the die. The recess is loaded with rubber mold provided with a cavity shaped according to the desired configuration of the compact. Subsequently, the powder is packed in the cavity of the rubber mold, and an upper punch is placed on die to press the rubber mold with powder in the space formed by the die, the lower punch and the upper punch, thereby producing a powder compact.

REFERENCES:
patent: 2091973 (1937-09-01), Fessler et al.
patent: 2558823 (1951-07-01), Crowley et al.
patent: 3089189 (1963-05-01), Feldman et al.
patent: 5024811 (1991-06-01), Hinzmann et al.

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