B - Operations – Transporting – 24 – D
Patent
B - Operations, Transporting
24
D
B24D 3/00 (2006.01) B24D 9/08 (2006.01) B24D 13/14 (2006.01) B24D 18/00 (2006.01)
Patent
CA 2114649
A sheet of coated abrasive material including a backing having abrasive on one surface and loops projecting from its other surface by which the sheet of coated abrasive material can be held by hooks on the support surface of a pad. The backing comprises a polymeric bonding layer defining its rear surface. The sheet of coated abrasive material comprises a nonwoven sheet of longitudinally oriented fibers having anchor portions bonded in the polymeric bonding layer at spaced bonding locations, and arcuate portions projecting from the rear surface of the backing between the bonding locations to provide the loops.
Barry John L.
Becker Dennis L.
Folske Donald W.
Gorman Michael R.
Mcmahon Jeffrey R.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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