Julie M Dinh-Ngoc, 42Holliston, MA
Julie Dinh-Ngoc Phones & Addresses
Holliston, MA
Clinton, MA
South Grafton, MA
Exeter, RI
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Publications & IP owners
Us Patents
Abrasive Article Having A Non-Uniform Distribution Of Openings
US Patent:
2013026, Oct 3, 2013
Filed:
Dec 31, 2012
Appl. No.:
13/731768
Inventors:
Anuj Seth - Northborough MA, US
Julie M. Dinh-Ngoc - Holliston MA, US
Vivek Cheruvari Kottieth Raman - Toronto, CA
Paul A. Krupa - Lake Luzerne NY, US
James M. Garrah - Burlington, CA
Julie M. Dinh-Ngoc - Holliston MA, US
Vivek Cheruvari Kottieth Raman - Toronto, CA
Paul A. Krupa - Lake Luzerne NY, US
James M. Garrah - Burlington, CA
International Classification:
B24B 37/26
US Classification:
451527, 51296
Abstract:
An abrasive article having a plurality of apertures arranged in a non-uniform distribution pattern, wherein the pattern is spiral or phyllotactic, and in particular those patterns described by the Vogel equation. Also, provided is a back-up pad having a spiral or phyllotactic patterns of air flow paths, such as in the form of open channels. The back-up pad can be specifically adapted to correspond with an abrasive article having a non-uniform distribution pattern. Alternatively, the back-up pad can be used in conjunction with conventional perforated coated abrasives. The abrasive articles having a non-uniform distribution pattern of apertures and the back-up pads can be used together as an abrasive system.
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