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. 11, 2000
Filed:
Apr. 07, 1998
Applicant:
Inventors:
George A Rossetti, Jr, Woburn, MA (US);
Stephen E Fox, Worcester, MA (US);
Marc J Tricard, Worcester, MA (US);
Assignee:
Norton Company, Worcester, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D / ; B24D / ;
U.S. Cl.
CPC ...
51304 ; 51295 ; 51306 ; 51309 ; 451 28 ;
Abstract
An abrasive article is provided for precision grinding purposes, and the article comprises 3 to 25 volume % vitreous bond, 3 to 56 volume % MCA abrasive grain, and 28 to 63 volume % open porosity. Substantially all porosity in the abrasive article is impregnated with a lubricant component consisting of an oil and wax mixture having an oil:wax weight ratio of about 3:1 to about 1:4.