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:
Sep. 01, 2026
Filed:
Jun. 07, 2023
Tungaloy Corporation, Fukushima, JP;
Takahide Kudoh, Iwaki, JP;
TUNGALOY CORPORATION, Fukushima, JP;
Abstract
A cubic boron nitride sintered body including cubic boron nitride and a binder phase, wherein: a content of the cubic boron nitride is 81 volume % or more and 95 volume % or less and a content of the binder phase is 5 volume % or more and 19 volume % or less based on the total amount of the sintered body; and a content of Al in the binder phase is 0.5 mass % or more and 5 mass % or less, a content of W in the binder phase is 2 mass % or more and 10 mass % or less, a content of V in the binder phase is 2 mass % or more and 8 mass % or less, and a content of Cr in the binder phase is 0 mass % or more and 5 mass % or less, based on 100 mass % in total of all elements contained in the sintered body.