Abrading – Carrier for relatively movable simultaneously usable tools
Patent
1995-10-23
1998-05-19
Rose, Robert A.
Abrading
Carrier for relatively movable simultaneously usable tools
451533, 451537, B24D 1304
Patent
active
057528764
ABSTRACT:
A flap disc for use with a rotary surface finishing tool, the flap disc includes a backing plate which attaches to and is rotated by the finishing tool. The backing plate has a mounting flange on which a plurality of abrasive flaps are radially disposed. The abrasive flaps are each adhesively attached to the mounting flange and positioned so as to overlap an adjacent flap. Each abrasive flap has a finishing layer which comprises abrasive particles intermixed in a resin binder. Attached to the finishing layer is a substrate which includes a resin binder. In one embodiment of the invention, the substrate is made from fiber material onto which the abrasive particle/resin mixture is adhesively attached. Alternately, the substrate may comprise a non-woven fibrous material onto which the abrasive particle/resin mixture is adhesively bonded. The mounting flange may comprise a plurality of fiberglass plies intermixed in a resin matrix. Abrasive particles are, preferably, incorporated into the resin matrix so that if the abrasive flaps are completely torn away, the abrasive particles in the mounting flange will continue to sand the surface of the work piece.
REFERENCES:
patent: 2958593 (1960-11-01), Hoover et al.
patent: 4437271 (1984-03-01), McAvoy
patent: 4679360 (1987-07-01), Eisenblatter
MAN Modern Application News, The Metalworking Idea Magazine, Fibre Discs vs. Flap Discs, Jun. 1994, vol. 28, No. 5.
Rose Robert A.
Weiler Brush Company Inc.
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