The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2014
Filed:
Jun. 27, 2011
James L. Mcardle, Wilson, WI (US);
Alice B. Moris, Dresser, WI (US);
Ann M. Hawkins, Lake Elmo, MN (US);
Carl P. Erickson, Deer Park, WI (US);
James L. McArdle, Wilson, WI (US);
Alice B. Moris, Dresser, WI (US);
Ann M. Hawkins, Lake Elmo, MN (US);
Carl P. Erickson, Deer Park, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A nonwoven abrasive wheel comprising one or more layers of a nonwoven fiber web, a plurality of super abrasive particles having a Vickers hardness greater than 40 GPa, a polyurethane binder adhering the plurality of super abrasive particles to the nonwoven fibers and adhering the layers of the nonwoven fiber web to each other, and wherein the nonwoven abrasive wheel comprises a Flexural Modulus from 4.0 to 128.0 lb/inch of thickness per inch of displacement.