Method and apparatus for extrusion

Details Method and apparatus for extrusion Method and apparatus for extrusion

1977-01-04

1979-02-13

Lanham, C.W.

Metal deforming

By extruding through orifice

By rotating impeller means

72422, 198626, 226172, B21C 2304, B21C 2506

Patent

active

041388720

ABSTRACT:
Method and apparatus for forming material by passing it through a container, in which the material receives the force required to form it by contact with driven, recirculating members which make up the inner wall of the container and define the passage available for the material. This passage may be of constant cross-section, or may diverge. The invention includes both the extrusion of solid billet through a die held at the container outlet and the compaction of powder into a coherent solid.

REFERENCES:
patent: RE28795 (1976-05-01), Fuchs, Jr.
patent: 2046997 (1936-07-01), Boddy et al.
patent: 3922898 (1975-12-01), Voorhes
patent: 3934446 (1976-01-01), Avitzur
patent: 3985011 (1976-10-01), Fuchs, Jr.
patent: 4027514 (1977-06-01), Moreau
patent: 4051705 (1977-10-01), Andrus et al.

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