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:
Oct. 06, 2015
Filed:
Aug. 25, 2011
Applicants:
Shinji Soma, Kashiwara, JP;
Naoto Ono, Anjo, JP;
Tomokazu Yamashita, Nishio, JP;
Inventors:
Assignee:
JTEKT CORPORATION, Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 1/00 (2006.01); B24D 11/00 (2006.01); B24D 3/34 (2006.01); B24D 3/14 (2006.01); B24D 5/00 (2006.01);
U.S. Cl.
CPC ...
B24D 3/342 (2013.01); B24D 3/14 (2013.01); B24D 5/00 (2013.01);
Abstract
A CBN grinding particle included in a CBN grinding wheel has a single crystal CBN grinding particle having a tetrahedron construction and a multi crystal CBN grinding particle. The single crystal CBN grinding particle is blended with a ratio of equal to or more than 50% to a total summed volume of the single and multi CBN grinding particles. A CBN grinding wheel having the CBN grinding particle is especially suitable for rough grinding.