Continuous extrusion of complex articles

Details Continuous extrusion of complex articles Continuous extrusion of complex articles

1993-05-21

1995-01-24

Larson, Lowell A.

Metal deforming

By extruding through orifice

Expressing non-uniform cross-section or non-linear product

72262, B21C 3100

Patent

active

053833473

ABSTRACT:
An apparatus for continuously extruding shaped articles includes providing a frictional extrusion source for extruding a feed material, a chamber for holding frictionally extruded material received from the extrusion source, a plurality of die chambers, each of the die chambers receiving extruded material from the holding chamber, means for directing extruded material from the holding chamber to each die chamber for selectively filling each die chamber with extruded feed material and means for monitoring filling of each die chamber of said plurality of die chambers with extruded feed material. The directing means is responsive to the monitoring means so that extruded material can be directed from a filled die to chamber to an empty die chamber for subsequent filling, thereby permitting continuous extrusion.

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patent: 5152163 (1992-10-01), Hawkes et al.
patent: 5157955 (1992-10-01), Hawkes et al.
Long, H. W. "Some differences between direct and indirect extrusion of aluminium alloys".
Langerweger, J. and Maddock B. "Recent Developments in Conform and Castex Continuous Extrusion Technology" Light Metal Age, 23-28, Aug. 1988.
Maddock, B. "Aluminium rod and other products by Conform" Wire Industry, 728-731, Dec. 1987.
Parkinson, R. D. "Continuous cladding-Conform process" Wire Industry, 728-731, Apr. 1986.

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