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. 03, 2015
Filed:
Dec. 05, 2011
Hideaki Kanaoka, Itami, JP;
Yoshio Okada, Itami, JP;
Chikako Kojima, Itami, JP;
Anongsack Paseuth, Itami, JP;
Erika Iwai, Itami, JP;
Hiroyuki Morimoto, Itami, JP;
Hideaki Kanaoka, Itami, JP;
Yoshio Okada, Itami, JP;
Chikako Kojima, Itami, JP;
Anongsack Paseuth, Itami, JP;
Erika Iwai, Itami, JP;
Hiroyuki Morimoto, Itami, JP;
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Abstract
The surface-coated cutting tool of the present invention is characterized in that a region of 10 μm in a surface of the base material from point a' to point b′ has two to seven cracks with a width of not more than 200 nm, or two to ten pores are present per length of 10 μm in the surface of the base material from point a′ to point b′, where points a′ and b′ are points defined respectively by lines drawn perpendicularly from points a and b to the surface of the base material where point a is a position located away from an edge ridgeline toward a rake face by distance La and point b is a position located away from the edge ridgeline toward a flank face by distance Lb.