Title:
LASER WELDING METHOD AND LASER WELDED OBJECT
Document Type and Number:
WIPO Patent Application WO/2018/216199
Kind Code:
A1
Abstract:
In this laser welding method, one of two panel materials (3, 5) is provided with protruding portions (3b, 3c) which project toward the other panel material, and the method includes a step of overlaying the panel materials with the protruding portions (3b, 3c) abutting the other panel material in order to form a first gap (t1) between the panel materials. The method also includes: a step of clamping the overlaid panel materials (3, 5) using a clamping implement (19, 21) in such a way that the first gap (t1) becomes narrower at clamped positions (7, 9) different from the protruding portions (3a), to form a second gap (t2) narrower than the first gap (t1) between the panel materials, on the opposite side to the protruding portions (3a) relative to the clamped positions (7, 9); and a step of laser welding the panel materials at the location in which the second gap (t2) has been formed.
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Inventors:
SAITOU HIDEO (JP)
KINOSHITA KEISUKE (JP)
KINOSHITA KEISUKE (JP)
Application Number:
PCT/JP2017/019714
Publication Date:
November 29, 2018
Filing Date:
May 26, 2017
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
B23K26/32; B23K26/21
Foreign References:
| JP2007000909A | 2007-01-11 | |||
| JP2009255179A | 2009-11-05 | |||
| JP2015167998A | 2015-09-28 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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