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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.:

US 10562822 B1

PDFFull Text
Date of Patent:
Feb. 18, 2020

Filed:

Jan. 13, 2016

Cubic boron nitride polycrystalline material, cutting tool, wear resistant tool, grinding tool, and method of manufacturing cubic boron nitride polycrystalline material

Applicant:

Sumitomo Electric Industries, Ltd., Osaka-shi, JP;

Inventors:

Yuh Ishida, Itami, JP;

Katsuko Yamamoto, Itami, JP;

Hitoshi Sumiya, Itami, JP;

Assignee:

Sumitomo Electric Industries, Ltd., Osaka-shi, JP;

Attorneys:

Baker Botts L.L.P.

Michael A. Sartori

Primary Examiner:

Pegah Parvini

Int. Cl.
CPC ...
C04B 35/5831 (2006.01); C04B 35/583 (2006.01); C04B 35/645 (2006.01); B23B 27/14 (2006.01); B23B 27/20 (2006.01); C01B 21/064 (2006.01);
U.S. Cl.
CPC ...
C04B 35/5831 (2013.01); B23B 27/148 (2013.01); C04B 35/583 (2013.01); C04B 35/645 (2013.01); B23B 2226/125 (2013.01); C04B 2235/386 (2013.01); C04B 2235/656 (2013.01); C04B 2235/781 (2013.01);
Abstract

It is an object to provide a cubic boron nitride polycrystalline material excellent in toughness. A cubic boron nitride polycrystalline material containing fine cubic boron nitride which is granular, has a maximum grain size not greater than 100 nm, and has an average grain size not greater than 70 nm and at least one of plate-shaped cubic boron nitride in a form of a plate having an average major radius not smaller than 50 nm and not greater than 10000 nm and coarse cubic boron nitride which is granular, has a minimum grain size exceeding 100 nm, and has an average grain size not greater than 1000 nm is provided.

Find Patent Forward Citations

Ishida, Yuh. (2020). Cubic boron nitride polycrystalline material, cutting tool, wear resistant tool, grinding tool, and method of manufacturing cubic boron nitride polycrystalline material (U.S. Patent No. 10562822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10562822

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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