Title:
LASER WELDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/116515
Kind Code:
A1
Abstract:
This laser welding device (1) comprises a laser pass-through window (20) and a gas injection nozzle (6b). The gas injection nozzle (6b) includes: an optical-path hole (161); and an injection part (162) that injects an inert gas for shielding a metal vapor into the optical-path hole (161), the gas being injected towards the projection direction (E) of the laser light (L) and also towards an optical axis (A).
Inventors:
TAKEMOTO KOUJI (JP)
MIYAMOTO KAZUYOSHI (JP)
YOSHIDA TOMOAKI (JP)
SUMIMORI DAICHI (JP)
HASEGAWA HIROSHI (JP)
MIYAMOTO KAZUYOSHI (JP)
YOSHIDA TOMOAKI (JP)
SUMIMORI DAICHI (JP)
HASEGAWA HIROSHI (JP)
Application Number:
PCT/JP2019/047434
Publication Date:
June 11, 2020
Filing Date:
December 04, 2019
Export Citation:
Assignee:
AISIN AW IND CO LTD (JP)
International Classes:
B23K26/12; B23K26/21
Domestic Patent References:
| WO2011145514A1 | 2011-11-24 |
Foreign References:
| JPS62107891A | 1987-05-19 | |||
| JPH02290687A | 1990-11-30 |
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
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