Forming of materials by extrusion

Details Forming of materials by extrusion Forming of materials by extrusion

1976-06-07

1977-11-01

Larson, Lowell A.

Metal deforming

By extruding through orifice

By rotating impeller means

29125, B21C 2308

Patent

active

040559793

ABSTRACT:
Apparatus for performing extrusion has a rotatable wheel member with an endless groove in its periphery, a second member fixed relative to the wheel member and co-operating therewith to define a passageway therebetween, an abutment member fixed relative to the wheel member and projecting into said groove to block it, die orifice means associated positionally with said abutment member and leading from said passageway, and means for prestressing the material constituting at least the walls of the endless groove for avoiding any fatigue failure problems of the wheel member.

REFERENCES:
patent: 2342159 (1944-02-01), Moran
patent: 3765216 (1973-10-01), Green
patent: 3793869 (1974-02-01), Hufnagl et al.

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