Title:
METHOD FOR JOINING DISSIMILAR MATERIALS, AND DISSIMILAR-MATERIAL JOINED BODY
Document Type and Number:
WIPO Patent Application WO/2022/050054
Kind Code:
A1
Abstract:
An annular collar having a higher melting point than aluminum is fitted to a shaft section and attached to an aluminum rivet having a head section and the shaft section, and the shaft section of the rivet, to which the collar is attached, is either driven into a steel material so as to pass therethrough, or the collar and the shaft section are made to pass through a through-hole provided to the steel material. The tip-side of the shaft section of the steel material rivet is made to face an aluminum material, and the steel material and the aluminum material are positioned so as to overlap. The rivet and the aluminum material are sandwiched by a pair of electrodes, and resistance spot welding is carried out while being pressurized between the electrodes.
More Like This:
| JP2004114108 | METHOD AND EQUIPMENT FOR WELDING METALLIC MEMBER |
Inventors:
IWASE TETSU
IMAMURA YOSHIHAYA
OKUDA MASAKI
SUGISAKI TAKAYOSHI
GOTO TAKASHI
IMAMURA YOSHIHAYA
OKUDA MASAKI
SUGISAKI TAKAYOSHI
GOTO TAKASHI
Application Number:
PCT/JP2021/030270
Publication Date:
March 10, 2022
Filing Date:
August 18, 2021
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K11/20; B21J15/00; B23K11/11; F16B5/04
Foreign References:
| JP2018171658A | 2018-11-08 | |||
| US20020172576A1 | 2002-11-21 | |||
| JP2010207898A | 2010-09-24 | |||
| JP2018079476A | 2018-05-24 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
Download PDF: