Systems, methods and tools for distributing different pluralities of abrasive particles to make abrasive articles

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United States of America Patent

PATENT NO 11433505
SERIAL NO

16469783

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Abstract

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A system includes a distribution tool, a backing, a first plurality of abrasive particles and a second plurality of abrasive articles. The distribution tool includes a first section and a second section. The first section is configured to receive the first plurality of abrasive particles and pass the first plurality of abrasive particles through one or more of the plurality of slots to the backing. The second plurality of abrasive particles differ in at least one of a size, an average weight and a shape from the first plurality of abrasive particles. The second section is configured to receive the second plurality of abrasive particles and pass the second plurality of abrasive particles through one or more of the plurality of slots to the backing.

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Patent Owner(s)

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

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Junting Woodbury, US 30 38
Liu, Yuyang St. Paul, US 29 101
Thurber, Ernest L Somerset, US 57 1289
Wilson, Geoffrey I Woodbury, US 13 84

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