B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
113/4, 113/57
B23K 31/06 (1985.01)
Patent
CA 1235954
Contour Forming Conical Shapes Abstract A truncated conical segment is made by the steps of contour rolling two pieces of metal, then longitudinally welding them, followed by contour rolling the weldment to preferentially reduce one of the pieces of the weldment more than the other. This provides a skewed trapezoid shape which is then 3-roll formed into a ring having a conical shape. The angle of the cone is a function of the preferential reduction in the second contour rolling step.
458322
Griffith James B.
Sanborn Harold C.
Ogilvy Renault
United Technologies Corporation
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