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. 08, 2026
Filed:
Mar. 18, 2022
Osaka University, Osaka, JP;
OSAKA UNIVERSITY, Osaka, JP;
Abstract
Provided are an easy and efficient linear friction-joining method with which it is possible to form an excellent joined section between materials being joined that are of different sizes and shapes, and a linear friction-joining structure obtained through the aforementioned friction-joining method. The present invention discloses a linear friction-joining method characterized by having a first step for bringing an end surface of one member into contact with an end surface of another member to form a joining interface, a second step for repeatedly causing the one member and the other member to slide on the same trajectory in a state in which pressure is applied roughly perpendicularly to the joining interface and eliminating burrs from the joining interface, and a third step for stopping the sliding and forming a joined surface, the linear friction-joining method also being characterized in that the end surface of the one member and the end surface of the other member have different surface areas, and in that the protrusion length of the member having the lesser surface area is set equal to or greater than the upset distance.