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:
Feb. 03, 2015
Filed:
Nov. 21, 2012
Nilanjan Sarangi, Shrewsbury, MA (US);
John Campaniello, Oxford, MA (US);
James M. Gaffney, Worcester, MA (US);
Stephen E. Fox, Worcester, MA (US);
John R. Besse, Beacon Falls, CT (US);
Stephen Woods, Stafford, GB;
Renaud Fix, Paris, FR;
Nilanjan Sarangi, Shrewsbury, MA (US);
John Campaniello, Oxford, MA (US);
James M. Gaffney, Worcester, MA (US);
Stephen E. Fox, Worcester, MA (US);
John R. Besse, Beacon Falls, CT (US);
Stephen Woods, Stafford, GB;
Renaud Fix, Paris, FR;
Saint-Gobain Abrasives, Inc., Worcester, MA (US);
Saint-Gobain Abrasifs, Conflans-Sainte-Honorine, FR;
Abstract
An abrasive article including a bonded abrasive body having a bond material present in an amount of not greater than about 15 vol % for the total volume of the body, abrasive particulate material contained in the bond material, the abrasive particulate material including abrasive agglomerates and unagglomerated abrasive particles, wherein the body comprises an abrasive particulate ratio (APp:APagg) within a range between 3:1 and about 1:3, wherein APp represents the amount (vol %) of unagglomerated abrasive particles present in the body and APagg represents the amount (vol %) of abrasive agglomerates present in the body, and a porosity of at least about 42 vol % of the total volume of the bonded abrasive body.