Title:
RESISTANCE WELDING DEVICE, HOLLOW ARM, AND METHOD OF MANUFACTURING HOLLOW ARM
Document Type and Number:
WIPO Patent Application WO/2020/066747
Kind Code:
A1
Abstract:
The present invention relates to a resistance welding device (10), a hollow arm (16), and a method of manufacturing a hollow arm (16). A welding gun (10) is provided with the hollow arm (16) for holding a movable electrode (14). The hollow arm (16) includes an arm body (17) having a cavity portion (17a) that is opened on one side, and a cover (19) attached to an opening end surface (17b) of the arm body (17) so as to cover an opening (17a1) of the cavity portion (17a). The arm body (17) and the cover (19) are secured by a friction stir welding portion (30) extending along a peripheral part (19a) of the cover (19).
Inventors:
TERAGAITO YOHEI (JP)
OTAKE YOSHITO (JP)
FURUNO TAKUYA (JP)
HINO TAKUYA (JP)
MIYAOKA NORIYOSHI (JP)
OTAKE YOSHITO (JP)
FURUNO TAKUYA (JP)
HINO TAKUYA (JP)
MIYAOKA NORIYOSHI (JP)
Application Number:
PCT/JP2019/036371
Publication Date:
April 02, 2020
Filing Date:
September 17, 2019
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
B23K11/11; B23K20/12
Domestic Patent References:
| WO2018012588A1 | 2018-01-18 |
Foreign References:
| JP2015058463A | 2015-03-30 | |||
| JP2005342745A | 2005-12-15 | |||
| JP2008044446A | 2008-02-28 | |||
| JP2001047260A | 2001-02-20 |
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (JP)
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