Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1991-08-21
1993-10-19
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156178, 156201, 15624411, 15624411, 15624423, 15624424, 15624425, 156279, 156470, 156471, 156472, 51293, 51295, 51297, 51383, 51400, 51401, 51406, 51407, B32B 3108
Patent
active
052541940
ABSTRACT:
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.
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Barry John L.
Becker Dennis L.
Folske Donald W.
Gorman Michael R.
McMahon Jeffrey R.
Griswold Gary L.
Huebsch William L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Weston Caleb
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