B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/82
B24B 19/00 (2006.01) B24B 5/24 (2006.01) B24B 15/04 (2006.01)
Patent
CA 1114171
ABSTRACT OF THE DISCLOSURE There is provided a valve grinding apparatus for centreless grinding of valves. Two base rollers with parallel axes are driven, and a control roller is centred above the base rollers. The control roller can be raised and lowered and the direction of its axis can be changed in order to cause the valve to be moved longitudinally in either direction. A support means is spaced from the base rollers and supports a different region of the valve stem.
337375
Parnham Ray G.
Willemsen Bernardus A.
Ingenious Devices Limited
Sim & Mcburney
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