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:
Jul. 14, 2015
Filed:
Nov. 15, 2011
Applicant:
Dean S. Holmes, Ellsworth, WI (US);
Inventor:
Dean S. Holmes, Ellsworth, WI (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B24D 18/00 (2006.01); B24D 13/02 (2006.01); B24D 3/02 (2006.01); B24D 13/12 (2006.01);
U.S. Cl.
CPC ...
B24D 13/02 (2013.01); B24D 3/02 (2013.01); B24D 13/12 (2013.01); B24D 18/0036 (2013.01);
Abstract
A convolute abrasive wheel formed from a spirally wound nonwoven abrasive web. The nonwoven abrasive web including a make coat and abrasive particles having a Vickers indentation hardness of at least 16 Gpa and a toughness of at least 3.0 Mpa m. A first size coat comprising a phenolic resin is applied over the make coat and the abrasive prepolymer is applied over the first size coat.