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. 14, 2018
Filed:
Apr. 14, 2017
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Sumitomo Electric Hardmetal Corp., Itami-shi, JP;
Katsuhito Yoshida, Itami, JP;
Shigeru Yoshida, Itami, JP;
Yuichiro Seki, Itami, JP;
Kiichi Meguro, Itami, JP;
Shinji Matsukawa, Itami, JP;
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
SUMITOMO ELECTRIC HARDMETAL CORP., Itami-shi, JP;
Abstract
The diamond coated tool of the present invention is a diamond coated tool including a base material and a diamond layer coating a surface of the base material, and characterized in that the surface of the base material has an arithmetic average roughness Ra of not less than 0.1 μm and not more than 10 μm and an average length of roughness profile elements RSm of not less than 3.1 μm and not more than 5.4 μm, and that the diamond layer has a plurality of cavities at a portion bordering on the base material.