Continuous extrusion of metals

Details Continuous extrusion of metals Continuous extrusion of metals

1984-01-27

1985-11-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

Continuous length product formation

72262, 419 67, 425224, 425374, 425376A, 425376B, 425806R, B22F 302, B21C 2301

Patent

active

045525200

ABSTRACT:
In a continuous extrusion machine in which feedstock is admitted to a peripheral groove in a rotating wheel, is enclosed in that groove by a cooperating shoe, is frictionally dragged along an arcuate passageway formed by said groove and a projecting portion of said shoe towards an abutment carried by said shoe, and is continuously extruded as a metal product through a die, is flash extruded through clearance gaps between cooperating wheel and shoe surfaces, is intercepted and broken off periodically in short lengths by teeth which project radially or transversely from the wheel, the arcuate passageway has a radial depth which progressively decreases in the direction of wheel rotation in a zone extending upstream from the abutment.

REFERENCES:
patent: 3412427 (1968-11-01), Flusfeder et al.
patent: 4054048 (1977-10-01), Hagerman
patent: 4468945 (1984-09-01), Fairey

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