Title:
LASER WELDING METHOD AND LASER WELDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/085669
Kind Code:
A1
Abstract:
A laser welding method for carrying out laser welding of a first end portion in a first direction of a first member, and a second end portion in the first direction of a second member adjacent to the first member in a second direction intersecting the first direction, said second member being arranged such that the distance of the first end portion from the second end portion in the first direction is 0 or greater, and said laser welding method having: a step in which laser light is emitted toward the first end portion, thereby forming a first weld pool extending toward at least the second-end-portion side of the first end portion; a step in which, after the step for forming the first weld pool, laser light is emitted toward at least the first end portion, thereby forming a bridging weld pool that is suspended between the first end portion and the second end portion, and includes fluid metal material included in the first weld pool; and a step in which the bridging weld pool is solidified.
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Inventors:
YASUOKA TOMOMICHI (JP)
SATOH SHINJI (JP)
MATSUMOTO NOBUYASU (JP)
SUGA SAYO (JP)
NISHINO FUMIKA (JP)
TERADA JUN (JP)
UMENO KAZUYUKI (JP)
KANEKO MASAMITSU (JP)
SHIGEMATSU TAKASHI (JP)
SATOH SHINJI (JP)
MATSUMOTO NOBUYASU (JP)
SUGA SAYO (JP)
NISHINO FUMIKA (JP)
TERADA JUN (JP)
UMENO KAZUYUKI (JP)
KANEKO MASAMITSU (JP)
SHIGEMATSU TAKASHI (JP)
Application Number:
PCT/JP2021/038559
Publication Date:
April 28, 2022
Filing Date:
October 19, 2021
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
B23K26/21; B23K26/24
Domestic Patent References:
| WO2015159514A1 | 2015-10-22 |
Foreign References:
| JP2018020340A | 2018-02-08 | |||
| JP2004243403A | 2004-09-02 | |||
| JP2020142257A | 2020-09-10 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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