Abrasive articles method of making same and abrading apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5785784
SERIAL NO

08898906

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An abrasive sheet article is disclosed, including a substrate having first and second major surfaces, a coated abrasive on the first major surface, and a plurality of hooking stems on the second major surface. The coated abrasive may comprise a plurality of precisely shaped composites comprising a plurality of abrasive grains dispersed in a binder. The hooking stems are adapted to hook engaging structures on an opposed surface to releasably affix the abrasive sheet member to the surface. A method for making such abrasive articles is also disclosed, including several illustrative variations of the inventive method. Also disclosed is a back-up pad for supporting such an abrasive article during abrading. The back-up pad includes a support portion, such as a polymeric backing, and an engaging portion, such as a loop material, for engaging hooking stems projecting from the abrasive article.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURING COMPANYST PAUL MINNESOTA 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chesley, Jason A Hudson, WI 24 902
Melbye, William L Woodbury, MN 22 1515

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