Title:
LASER WELDED BODY PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/088058
Kind Code:
A1
Abstract:
A laser welded body production method which involves laser welding a transmission-side member for transmitting at least part of a laser beam and an absorption-side member for absorbing the laser beam to one another via a joining surface, the method being characterized in that: the joining surface is shaped so as not to have an axis of symmetry; the transmission-side member comprises a composition which contains a colored material capable of transmitting and absorbing a laser beam in a thermoplastic polyester resin; the absorption-side member comprises a composition which contains a thermoplastic polyester resin and a colored material capable of absorbing without transmitting the laser beam; and the welding is performed between the two members while applying a pressing force of 10 N/mm or less per unit distance.
Inventors:
OKA AKIHIRO (JP)
UONO HIROYUKI (JP)
HIWATASHI YUKI (JP)
YAMANAKA YASUSHI (JP)
UONO HIROYUKI (JP)
HIWATASHI YUKI (JP)
YAMANAKA YASUSHI (JP)
Application Number:
PCT/JP2018/040222
Publication Date:
May 09, 2019
Filing Date:
October 30, 2018
Export Citation:
Assignee:
MITSUBISHI ENG PLASTICS CORP (JP)
International Classes:
B29C65/16; B23K26/57; C08K3/04; C08K5/29; C08L67/00
Domestic Patent References:
| WO2013186926A1 | 2013-12-19 | |||
| WO2017146196A1 | 2017-08-31 | |||
| WO2018221073A1 | 2018-12-06 |
Foreign References:
| JP2007112127A | 2007-05-10 | |||
| JP2008260161A | 2008-10-30 | |||
| JP2017124556A | 2017-07-20 | |||
| JP2005288934A | 2005-10-20 | |||
| JP2008279730A | 2008-11-20 | |||
| JP2018202861A | 2018-12-27 |
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
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