Metal deforming – By use of tool acting during relative rotation between tool... – Tool orbiting or rotating about an axis
Patent
1995-11-27
1997-04-22
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
Tool orbiting or rotating about an axis
B21D 1904
Patent
active
056220715
ABSTRACT:
The present invention is a method for forming a flange on a tube. The method of the present invention includes the steps of: (a) placing a tube having a tube axis extending longitudinally therethrough on a support device for supporting the tube, the tube having an edge defining an opening, the support device having a predetermined flange shape surface adjacent the edge; (b) positioning a tip having a tip axis extending longitudinally therethrough adjacent the edge, the tip having a substantially hyperbolioidal shape, the tip axis being at a predetermined angle with respect to the tube axis, the tip rotating along the tube and tip axes; (c) inserting the rotating tip in the opening of the tube; and (d) engaging the edge with the tip to cause the edge to contact the predetermined flange shape surface to form a flange on the tube.
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Ellerbrock Gene A.
Van Riper Philip C.
Aeroquip Corporation
Larson Lowell A.
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