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:
Aug. 19, 2014
Filed:
Aug. 03, 2010
Emmanuel C. Francois, Sterling, MA (US);
Konstantin S. Zuyev, Grafton, MA (US);
Muthu Jeevanantham, Worcester, MA (US);
Anne M. Bonner, Nashua, NH (US);
Michael W. Klett, Holden, MA (US);
Dean S. Matsumoto, Worcester, MA (US);
Emmanuel C. Francois, Sterling, MA (US);
Konstantin S. Zuyev, Grafton, MA (US);
Muthu Jeevanantham, Worcester, MA (US);
Anne M. Bonner, Nashua, NH (US);
Michael W. Klett, Holden, MA (US);
Dean S. Matsumoto, Worcester, MA (US);
Saint-Gobain Abrasives, Inc., Worcester, MA (US);
Saint-Gobain Abrasifs, Conflans-Sainte-Honorine, FR;
Abstract
An abrasive tool having a body including an abrasive portion having abrasive grains contained within a matrix material and porosity characterized by a bimodal distribution of pores including large pores having an average large pore size (P) and small pores having an average small pore size (P), wherein P>P. The body of the abrasive tool further includes a first reinforcing member contained within the abrasive portion, and a percent thermal expansion over a temperature range for 25° C. to 450° C. of not greater than about 0.7%.