Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
WELDING METHOD, WELDING DEVICE, AND METAL LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/085336
Kind Code:
A1
Abstract:
This welding method is for welding together, for example, a plurality of metallic foils and a metallic member having a first surface facing a first direction, and comprises: a step for retaining the metallic member and the metallic foils in a state where the metallic foils are layered in the first direction on the first surface; and a step for emitting a laser beam on a second surface of the metallic foils located on the side opposite to the metallic member in the first direction. In the step for emitting the laser beam, the laser beam is emitted in such a manner as not to cause the metallic foils to form any wrinkles that protrude in the first direction beyond a prescribed height. Said prescribed height may be set at 0.2 [mm].

Inventors:
MATSUMOTO NOBUYASU (JP)
SAKAI TOSHIAKI (JP)
KANEKO MASAMITSU (JP)
SHIGEMATSU TAKASHI (JP)
UMENO KAZUYUKI (JP)
Application Number:
PCT/JP2022/041791
Publication Date:
May 19, 2023
Filing Date:
November 09, 2022
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
B23K26/03; B23K26/21; B23K26/32
Domestic Patent References:
WO2021132682A12021-07-01
Foreign References:
JP2019514694A2019-06-06
US20210299785A12021-09-30
JP2001269787A2001-10-02
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: