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:
Dec. 06, 2011
Filed:
Jul. 18, 2007
Applicants:
Sachiko Koike, Itami, JP;
Makoto Setoyama, Itami, JP;
Hideki Moriguchi, Itmai, JP;
Inventors:
Assignees:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Sumitomo Electric Hardmetal Corp., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes one or more hard layer and one or more oxygen-rich hard layer. The hard layer is crystalline in its entirety or crystalline with a part thereof being amorphous. The oxygen-rich hard layer and the hard layer are stacked and the oxygen-rich hard layer is amorphous in a region of interface with the hard layer.