Abrading – Tool support for flexible-member tool – Including expansible external surface
Patent
1996-05-22
1997-09-30
Rose, Robert A.
Abrading
Tool support for flexible-member tool
Including expansible external surface
451505, 451506, 451507, B24B 902
Patent
active
056720963
ABSTRACT:
An inflatable tool is used for abrading or finishing a surface of a workpiece. The inflatable tool includes an inflatable bladder clamped at first and second ends of a core having an elastomeric outer core portion. The inflatable bladder is inflated by a pressurized medium and forms a pocket or chamber around the elastomeric outer core portion. An abrasive sleeve is disposed around and secured by the inflatable bladder when inflated. The elastomeric outer core portion provides a resilient support surface for the inflatable bladder and the abrasive sleeve while abrading a workpiece. One example of the abrasive sleeve includes one or more bulging abrasive regions created by one or more slots in the abrasive sleeve. One example of a method of using the inflatable tool includes abrading a surface of a workpiece with one or more bulging abrasive regions, and chamfering both sides of a hole extending through a workpiece.
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Amarosa Peter J.
Amarosa, Sr. Robert P.
Bourque Daniel J.
Carroll Kevin J.
Nguyen George
R. P. Abrasives & Machine, Inc.
Rose Robert A.
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