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:
Apr. 08, 2025
Filed:
Dec. 24, 2019
Nippon Light Metal Company, Ltd., Tokyo, JP;
NIPPON LIGHT METAL COMPANY, LTD., Tokyo, JP;
Abstract
The present invention includes a joining process in which a first metal member and a second metal member are joined with an auxiliary member interposed therebetween by moving a rotary tool along a butted portion in a state where the rotary tool being rotated is inserted only from a front face side of the auxiliary member, only a stirring pin is in contact with the auxiliary member, a base end side of the stirring pin is exposed, and an outer circumferential face of the stirring pin is slightly in contact with the first metal member and the second metal member, and the auxiliary member is provided with an inclined face on at least one side face in such a form that the auxiliary member has a smaller dimension with increasing distance from a front face, and at least one of the first metal member and the second metal member is provided with an inclined face corresponding to the inclined face of the auxiliary member and inclined from the front face toward a back face.