B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/15
B21D 9/00 (2006.01)
Patent
CA 1207646
ABSTRACT OF THE DISCLOSURE A rotary compression bending machine comprises a radius die, a wiper die, and a flexible ball mandrel. Means are provided to simultaneously drive the wiper die around the radius die and to draw the ball mandrel through the tubing in order to reform the tubing while bending. The reformed tube will be wrinkle and distortion free around the bend radius.
437837
Bailey Gregory W.
Macrae & Co.
LandOfFree
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