Continuous extrusion apparatus

Details Continuous extrusion apparatus Continuous extrusion apparatus

1984-04-12

1986-01-14

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means for molding powdered metal

Continuous length product formation

29 33D, 29517, 72256, 72268, 425113, 425374, 425376B, B21C 2330, B21C 2900

Patent

active

045643474

ABSTRACT:
Apparatus for the continuous extrusion of metals in which feed is introduced into a pair of circumferential grooves in a rotating wheel to contact arcuate tooling and abutments. The feed is constrained by the abutments to flow through exit apertures in a die top from the respective grooves to a substantially toroidal chamber around a hollow, open ended, portal mandrel to extrude through an annular die orifice as a cladding for a continuous core. Cooling air may be supplied to the interior of the cladding, which is subsequently swaged down on to the core. A solid mandrel may be utilized where it is desired to extrude tube.

REFERENCES:
patent: 1924294 (1933-08-01), Shirk et al.
patent: 3073441 (1963-01-01), Priaroggia et al.
patent: 3302440 (1967-02-01), Seidel et al.
patent: 3336783 (1967-08-01), Johnsen et al.
patent: 4277968 (1981-07-01), Pardoe

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