Method of and apparatus for continuous friction- actuated...

Details Method of and apparatus for continuous friction- actuated... Method of and apparatus for continuous friction- actuated...

B - Operations, Transporting

21

C

205/22

B21C 23/00 (2006.01) B21C 33/00 (2006.01) B22F 3/20 (2006.01) B29C 47/52 (2006.01) B30B 11/22 (2006.01)

Patent

CA 1177784

ABSTRACT In a continuous friction-actuated extrusion process, such as the Conform process, particulate material is fed into the extrusion passage-way at a rate low enough to the rate at which material is extruded from the die orifice to be determined by and substantially equal to the rate of feeding. Feeding can be achieved by a simple hopper feeding through an adjustable constriction, preferably formed by a simple gate valve, or a gravimetric or volumetric controlled rate feed device can be used.

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