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:
May. 27, 2025
Filed:
Apr. 07, 2022
Ntk Cutting Tools Co., Ltd., Komaki, JP;
Osaka University, Osaka, JP;
Yuki Takeuchi, Nagoya, JP;
Jun Moteki, Nagoya, JP;
Hiroki Takeuchi, Nagoya, JP;
Yusuke Katsu, Nagoya, JP;
Yasushi Hara, Nagoya, JP;
Hidetoshi Fujii, Suita, JP;
Yoshiaki Morisada, Suita, JP;
NTK CUTTING TOOLS CO., LTD., Komaki, JP;
Osaka University, Osaka, JP;
Abstract
A friction stir welding tool and a friction stir welding method that can increase the amount of heat generation, while reducing the amount of escaping heat are provided. The friction stir welding tool () has a shoulder portion () and a probe portion () provided on a bottom surface of the shoulder portion (). The base material of the friction stir welding tool () is a ceramic material whose main phase is silicon nitride or sialon. The shoulder portion () has a diameter of 35 mm or greater.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile