Patent · US Active

Friction stir joining attachment, friction stir joining head, and friction stir joining apparatus

US12285817B2 · kind B2 · utility

0Cited by
11References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 24, 2021
Grant dateApr 29, 2025
Priority date
Expiry dateFeb 6, 2042

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K20/26
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A friction stir welding attachment includes a body configured to be attached to a spindle of a machine tool, a metalworking shaft rotatably supported by the body and including an attachment portion configured to attach a welding tool at an end thereof, and a pair of press components supported by the body and provided at respective sides across the attachment portion. The press components are each made of disc-shaped elastic material and are each supported in a manner rotatable around a rotation axis diagonally intersecting a rotation axis of the metalworking shaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.