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:
Aug. 15, 2006
Filed:
May. 27, 2005
Applicants:
Kazuo Yamagata, Itami, JP;
Akihiko Ikegaya, Itami, JP;
Inventors:
Kazuo Yamagata, Itami, JP;
Akihiko Ikegaya, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coated cutting tool with a hard coating layer formed on a substrate. The substrate comprises a binder phase and a hard phase. The coating layer comprises a smooth face having a surface roughness of 0.2 μm or less substantially at the blade-edge ridge and in a region which extends at least 200 μm from the rake face side boundary of the ridge toward the rake face side, and extends at least 50 μm from the flank side boundary of the ridge toward the flank side.