B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
205/22, 205/5
B21C 23/00 (2006.01)
Patent
CA 1151112
ABSTRACT Method of and Apparatus for Continuous friction-actuated Extrusion In a modified "Conform" machine for continuous friction-actuated extrusion of metals, especially particulate copper, the abutment II at the outlet end of the working passageway does not fully block the end of the wheel groove 2. Instead a substantial clearance y is left, and metal extruding through it adheres to the wheel to repenter the working passageway at the entry end. Preferably the abutment is of semicircular cross-section. For a given output rate, a significant reduction in torque, and working stresses, is obtained.
370729
Childs John B.
Fairey Norman R.
Bicc Limited
Fetherstonhaugh & Co.
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