Tools to manufacture abrasive articles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20020009514A1
SERIAL NO

09520032

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides master and production tools and method for making these tools. The master tool includes a plurality of three-dimensional shapes upraised from a major surface of the master tool. Each of the shapes is defined by a distinct and discernible boundary including specific dimensions, wherein not all said three-dimensional shapes are identical. The master tool of the present invention can be used to form a production tool containing a plurality of three-dimensional-shaped cavities. The production tool can be used in the manufacture of abrasive articles to shape an abrasive slurry into an array of three-dimensional shaped abrasive composites.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 SAINT PAUL MN 55133-3427

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoopman, Timothy L River Falls, WI 33 2601
Sewall, Nelson D St. Paul, MN 19 537

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