Abrasive article maker with differential tooling speed

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11992918
APP PUB NO 20220040816A1
SERIAL NO

17415011

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Apparatus includes a production tooling having a dispensing surface with a plurality of cavities and formed into an endless belt. An abrasive particle feeder dispenses shaped abrasive particles onto the dispensing surface and into the plurality of cavities. A resin coated backing receives shaped abrasive particles from the cavities of the production tooling at a deposit point. A detecting device detects a pattern transition zone as the production tooling moves in the direction of travel and provides pattern transition zone detection data to one or more controllers to control a speed of the production tooling and/or a speed of the resin coated backing as the detected pattern transition zone passes the deposit point to change a pattern density of the shaped abrasive particles in a portion of the resin coated backing corresponding to the pattern transition zone of the production tooling.

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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
Adefris, Negus B St. Paul, US 67 3345
Eckel, Joseph B Vadnais Heights, US 77 283
Hawkins, Ann M Lake Elmo, US 21 45
Koenig, Amelia W Minneapolis, US 17 7
Nelson, Thomas J Woodbury, US 124 2102
Nienaber, Aaron K Lake Elmo, US 82 412

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