Title:
PIPE JOINING METHOD, JOINT AND PIPE JOINING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2016/052124
Kind Code:
A1
Abstract:
The pipe joining method according to the present invention comprises: preparing a joint (10) wherein a joining material (15), which contains a Cu-Ni alloy powder (17) and an Sn powder (16) having a lower melting point than the Cu-Ni alloy powder (17) and in which an Sn-Cu-Ni-based intermetallic compound comprising the Sn powder (16) and the Cu-Ni alloy powder (17) is formed by heating, is disposed in a cavity part (12); and, after inserting two pipes (14A, 14B) into the joint (10), heating insertion parts to form a metallic part (18) comprising the Sn-Cu-Ni-based intermetallic compound as a main phase in the cavity part (12) and forming a metallic part (19) comprising the Sn powder (16) in a molten state as a main phase in a narrow gap part (13).
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Inventors:
KAWAGUCHI YOSHIHIRO (JP)
Application Number:
PCT/JP2015/075674
Publication Date:
April 07, 2016
Filing Date:
September 10, 2015
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
B23K1/00; B23K1/18; B23K35/26; B23K35/30; F16L13/11; B23K101/06
Domestic Patent References:
| WO2012108395A1 | 2012-08-16 |
Foreign References:
| US2448907A | 1948-09-07 | |||
| JPS5989888A | 1984-05-24 |
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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