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:
Sep. 04, 1990
Filed:
Jan. 23, 1989
Applicant:
Inventors:
Norimichi Kawashima, Tokyo, JP;
Kazuya Orii, Tokyo, JP;
Assignee:
Tokyo Magnetic Printing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
51295 ; 51293 ; 51296 ;
Abstract
A composite spherical-particle abrasive comprises spherical particles and abrasive particles, each spherical particle being coated with a plurality of abrasive particles. The composite abrasive particles are dispersed in a binder resin, and the dispersion is applied as an abrasive layer or coat to a backing to provide an abrasive tool. A grinding method uses such a composite spherical-particle abrasive tool.