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Patent Searching and Data


Title:
二重管用継手及びその製造方法
Document Type and Number:
Japanese Patent JP4323181
Kind Code:
B2
Abstract:
A coupling for a double tube is configured to connect with the double tube. The double tube includes an outer tube (101) for a first fluid to flow therethrough. The double tube includes an inner tube (102) provided inside of the outer tube and having an end protruding from the outer tube, the inner tube for a second fluid to flow therethrough. The coupling includes a branched portion (2) brazed to an end of the outer tube and brazed to an end of the inner tube, with the end of the inner tube protruding outside through the branched portion (2). The branched portion (2) is formed as a curved tube having a curved portion (6). The branched portion has an end joined to an end of the outer tube, with the curved portion having a through-hole (7) for the inner tube to pass therethrough.

Inventors:
Hiromi Takasaki
Yukazu Takamatsu
Application Number:
JP2003038637A
Publication Date:
September 02, 2009
Filing Date:
February 17, 2003
Export Citation:
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Assignee:
Calsonic Kansei Co., Ltd.
International Classes:
F16L39/00; B21D28/10; B21D28/28; B21D51/16; F25B41/00
Domestic Patent References:
JP6042015A
JP55054227A
JP7039946A
JP2002364934A
JP6007855A
JP2002228072A
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu