B - Operations – Transporting – 21 – C
Patent
B - Operations, Transporting
21
C
205/42
B21C 3/02 (2006.01) B21C 3/04 (2006.01)
Patent
CA 1076522
ABSTRACT OF THE DISCLOSURE A cold drawing die for drawing round bar stock into shapes such as polygons. The die acts continuously on the full circumference of the round bar stock to uniformly deform the stock and yield polygons to exacting specifications using a starting material only slightly larger than the maximum diameter of the finished shape. A pure polygon and a hybrid polygon shape are disclosed.
318751
Barnabo Robert E.
Hyslop Karl J.
LandOfFree
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