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:
Jan. 21, 2020
Filed:
Jan. 27, 2016
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Keisuke Fujimoto, Okaya, JP;
Shigeru Matsushita, Omihachiman, JP;
KYOCERA CORPORATION, Kyoto-shi, Kyoto, JP;
Abstract
A rod, a cutting tool and a method for manufacturing a cutting tool are disclosed. In an embodiment, the rod may include a cemented carbide member containing WC and Co. The cemented carbide member may be elongated and include a first end portion and a second end portion in a longitudinal direction. The first end portion may have a Co content Cosmaller than a Co content Coof the second end portion. The cemented carbide member may include a first portion on a side of the first end portion and a second portion on a side of the second end portion. The first portion may have a gradient Srepresenting a change in a Co content per millimeter. The second portion may have a gradient Srepresenting a change in a Co content per millimeter. The gradient Smay be greater than the gradient S.