Abrading – Abrading process – Utilizing nonrigid tool
Patent
1996-04-17
1997-09-02
Morgan, Eileen P.
Abrading
Abrading process
Utilizing nonrigid tool
451352, 451358, 451495, 451507, 451527, 451529, B24D 902
Patent
active
056625154
ABSTRACT:
A profiled, soft cushioned roller is provided with an outer profiled abrading surface that conforms to and rides on a contoured substrate surface during an abrading operation. A soft roller usually in the form of a soft foam layer or body allows the profiled abrading surface to extend to and laterally wrap itself along the contoured substrate surface when pushed against the latter with the force needed to abrade the contoured surface. Because the outer surface portion of the profiled, soft roller is able to distort and wrap across the contoured surface, the soft profiled portion need not have the exact contoured shape and dimensions of the contoured surface being abraded. The soft roller body may have portions with different hardness by using different materials or different densities of the same foam material. The abrading surface may be a separable piece having a one-way clutch connection to an interior driving portion of the roller, or it may be an abrasive grit or the like integrally bonded or integrally embedded in the outer circumferential portion of the roller.
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