Title:
FIXING JIG AND HEAT EXCHANGER MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/251104
Kind Code:
A1
Abstract:
A fixing jig (100) is provided with a first fixing part (10) and a second fixing part (20). The first fixing part (10) fixes a main pipe having a plurality of holes on a lateral surface. The second fixing part (20) is fixed to the first fixing part (10), and fixes portions in the vicinity of insertion positions at which a plurality of sub pipes are respectively inserted through the holes provided on the lateral surface of the main pipe.
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| JPS52139647 | BRAZING METHOD |
Inventors:
NISHIBUN KENTO (JP)
TAKAYAMA KAZUYOSHI (JP)
NAGATOMO HIROSHI (JP)
YONEDA NORIHIRO (JP)
KITANI KENICHI (JP)
TAKAYAMA KAZUYOSHI (JP)
NAGATOMO HIROSHI (JP)
YONEDA NORIHIRO (JP)
KITANI KENICHI (JP)
Application Number:
PCT/JP2021/019364
Publication Date:
December 16, 2021
Filing Date:
May 21, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B23K1/00; B23K3/00; F28D1/04; F28F1/00
Foreign References:
| JP2004301499A | 2004-10-28 | |||
| JPS4977494U | 1974-07-04 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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