Method of forming rings

Details Method of forming rings Method of forming rings

B - Operations, Transporting

21

D

113/66

B21D 22/20 (2006.01) B21D 24/00 (2006.01) B21D 53/18 (2006.01)

Patent

CA 1084782

ABSTRACT A method of forming annular rings having portions of the ring material disposed radially of the ring axis from strips of flat material by forming cylindrical workpieces from elon- gated strips of material with the ends of each of the strip be- ing welded together to form an endless cylindrical workpiece having its material extending axially of the ring and displacing a portion intermediate internal annular edge portions of the workpiece radially outwardly while the outer perimeter of the workpiece is unsupported. When the finished annular ring is to have all of the material in the annular edge portions extending radially, the inner annular edge portions are unsupported and when the annular edge portions are to extend axially in the finished ring, only the spaced inner annular surfaces of the edge portions are supported.

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