B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
51/150
B24D 7/18 (2006.01)
Patent
CA 1090137
PORTABLE CHAMFERING GRINDING DEVICE Abstract of the Disclosure A portable chamfering grinding device for chamfering the end of a metal tube comprising an abrasive wheel and a portable pneumatic motor capable of rotating the wheel at greater than 10,000 r.p.m., the wheel including a diverging fructoconical portion having an inner grinding surface at an angle of about 37.5° to the axis of the wheel for receiving and grinding the end of the metal tube. The inner grinding surface has eight raised, substantially trapezoidal grinding portions thereon to provide cutting edges and reduce shaking and slipping during grinding of the metal tube end. .
323309
Kim Matthew S.
Sim & Mcburney
LandOfFree
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