Apparatus for the continuous extrusion of electrically conductiv

Details Apparatus for the continuous extrusion of electrically conductiv Apparatus for the continuous extrusion of electrically conductiv

1980-01-24

1983-04-19

Hunt, Brooks H.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Consolidation of powder prior to sintering

425408, 419 52, B22F 300

Patent

active

043804730

ABSTRACT:
A process for the continuous extrusion of electrically conductive granulated materials, preferably powder metallurgy mateials, wherein the material is introduced into a duct of a die and is compressed and moved along the duct to and through a nozzle on the die by a punch movable in the duct, the material being sintered by heating it with electrical current passed therethrough via electrical connections made with the punch and nozzle.

REFERENCES:
patent: 2097502 (1937-11-01), Southgate
patent: 2289787 (1942-07-01), Kaschke et al.
patent: 2708770 (1955-05-01), Herres et al.
patent: 2834674 (1958-05-01), Silvasy et al.
patent: 2902714 (1959-09-01), Johnson
patent: 2906596 (1959-09-01), Ballhausen
patent: 3122434 (1964-02-01), Reed et al.
patent: 3264388 (1966-08-01), Roach
patent: 3340052 (1967-09-01), Inoue
patent: 3656946 (1972-04-01), Inoue et al.

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