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. 13, 2007
Filed:
Jan. 13, 2004
Applicants:
Munehisa Gunjima, Tokyo, JP;
Tomoaki Nakasuji, Tokyo, JP;
Kouji Yokota, Tokyo, JP;
Inventors:
Assignee:
Itsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 1/00 (2006.01); B24B 21/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Truing of a grinder is performed by irradiating a laser beam onto abrasive grains on the outermost periphery of the grinder from the tangential direction of the grinder. Truing of the grinder for adjusting the number of working abrasive grains and the shape of the abrasive grains involved in the actual machining is performed under a non-contact condition and at highly accurately, thereby enabling highly accurate and highly efficient machining.