B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/98
B24B 1/00 (2006.01)
Patent
CA 1257969
ABSTRACT OF THE DISCLOSURE A burnishing tool capable of burnishing spherical workpieces, such as a ball for a ball valve, comprising a rotatable spindle, a head on the spindle, a roller cam surface, and rollers associated with the cam surface supported by a cage in a cylindrical formation to act on a spherical surface of a workpiece supported by a rotatable mandrel disposed in a cross axis relation to the spindle. The spherical surface is burnished by the rollers to a perfectly round, finely finished, sized, and work hardened part.
489775
Cogsdill Tool Products Inc.
Macrae & Co.
LandOfFree
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