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Title:
WELDING METHOD AND WELDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/063720
Kind Code:
A1
Abstract:
A welding device (100) for projecting laser light on a welding section (3) of objects to be welded (1, 2) that extends as a band and welding same. The welding device is provided with: a first laser-projecting means (104) disposed along the direction that the welding section (3) extends; a transparent jig (102) for ensuring close contact in the welding section (3) of the objects being welded (1, 2); and light-shaping sections (110) for shaping the laser light beam from the first laser-projecting means (104). The light-shaping sections (110) are configured from lenses that expand the shape of the laser light beam in the direction (L-direction) in which the welding section (3) extends and match the shape of the laser light beam to the width in the width direction (W-direction).

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Inventors:
SAGESAKA YUJI (JP)
YAMANASHI SATORU (JP)
KOSUGI HIROKI (JP)
Application Number:
PCT/JP2015/078341
Publication Date:
April 28, 2016
Filing Date:
October 06, 2015
Export Citation:
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Assignee:
KOITO MFG CO LTD (JP)
International Classes:
B29C65/16; B23K26/324; B23K26/57; F21S8/10
Foreign References:
JP2014151438A2014-08-25
JP2000294013A2000-10-20
JP2014100867A2014-06-05
JP2006188041A2006-07-20
JP2007523763A2007-08-23
Attorney, Agent or Firm:
Shin-Ei Patent Firm, P. C. (JP)
Patent business corporation Shin-Ei Patent Firm (JP)
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