B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
205/22
B21C 23/00 (2006.01)
Patent
CA 1107686
Ahmed, N. 7-128 - 8 - METHODS AND APPARATUS FOR CONTINUOUS EXTRUSION Abstract of the Disclosure An annular groove (35) is located in an outer surface of an inner rotary member taking the form of an inner toroid or disk-like member (31), and is partly covered by an inner surface of an outer rotary member taking the form of a toroid (32). Alternatively, an annular groove (25) is located in an inner surface of an outer toroid (22), and is partly covered by an outer surface of an inner rotary member taking the form of an inner toroid (21) or disk-like member. As the toroids are rotated together about different, intersecting axes, an elongated workpiece (W) is introduced into an open portion of the annular groove, advances into the closed portion of the annular groove, and is extruded through a die (48) upon again approaching the open portion of the annular groove, thereby forming an elongated product (P). (FIG. 3)
328214
Ahmed Nazeer
Fuchs Francis J.
Kirby Eades Gale Baker
Western Electric Company Incorporated
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