Coated abrasive sheet material with loop material for attachment incorporated therein
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United States of America Patent
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-
Oct 19, 1993
Issued Date -
N/A
app pub date -
Aug 21, 1991
filing date -
May 13, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
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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