Systems and methods for making abrasive articles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10773361
APP PUB NO 20180318983A1
SERIAL NO

15735644

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods of making an abrasive article. Abrasive particles are loaded to a distribution tool including a plurality of walls defining a plurality of slots. Each slot is open to a lower side of the tool. The loaded particles are distributed from the distribution tool to a major face of a backing web below the lower side and moving relative to the tool. At least a majority of the particles distributed from the tool undergo an orientation sequence in which each particle first enters one of the slots. The particle then passes partially through the slot such that a first portion is beyond the lower side and in contact with the major face, and a second portion within the slot. The sequence then includes the particle remaining in simultaneous contact with one of the walls and the major face for a dwell period while the web moves relative to the tool.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boden, John T White Bear Lake, US 41 2672
Drange, Charles C St. Paul, US 1 25
Hnatyk, Robert J Woodbury, US 1 25
Koethe, Brian G Cottage Grove, US 17 358
Nyberg, Mark R Alexandria, US 2 27
Thomford, Jeffery S Mahtomedi, US 1 25
Thurber, Ernest L Somerset, US 57 1289
Wilson, Geoffrey I Woodbury, US 13 84

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