Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1988-11-14
1990-03-13
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51337, B24B 902
Patent
active
049073788
ABSTRACT:
A hub for a flap wheel assembly adapted to finish an arcuate convex surface. The hub has a central cross section around its axis with a circular periphery of a first diameter, opposite circular end cross sections axially spaced on opposite sides of the central cross section and having circular peripheries of second diameters substantially larger than the diameter of the central cross section, and a peripheral surface comprising a multiplicity of generally straight elongate surface segments extending between the peripheries of the end cross sections across and contacting the periphery of the central cross section with each segment crossing at a different radius of the central cross section from the axis of the hub and being disposed at the same angle with respect to the axis measured about the radius crossed by the surface segment. A plurality of slots along and generally parallel to the segments each are adapted for holding a straight edge portion of a generally rectangular flap member with the width of the flap member projecting outwardly of the hub.
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Huebsch William L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Rachuba M.
Schmidt Frederick R.
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