Abrasive article method of making same and abrading apparatus
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United States of America Patent
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-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Apr 5, 1999
filing date -
Apr 5, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a substantially flat coated abrasive article having a fabric-reinforced backing which may include engaging elements such as hooks for releasable attachment to the surface of an abrading apparatus and a method of making the article. The invention also provides an abrading apparatus which includes a back-up pad having releasably attached thereto the abrasive article. The article comprises a substantially flat sheet-like substrate comprised of thermoplastic material and a porous fibrous reinforcing element contained within the substrate and an abrasive layer disposed on a surface of the substrate. The opposite surface of the substrate may include the engaging elements. The article is made by deploying the fabric on a surface, depositing molten thermoplastic polymer over the fabric, removing the substrate from the surface and applying the abrasive layer to one surface of the substrate.
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