Title:
Joint structure of a double pipe
Document Type and Number:
Japanese Patent JP5972565
Kind Code:
B2
Inventors:
Susumu Sato
Application Number:
JP2011275691A
Publication Date:
August 17, 2016
Filing Date:
December 16, 2011
Export Citation:
Assignee:
Watanabe Manufacturing Co., Ltd.
International Classes:
F28F9/26; F28D7/02; F28D7/10
Domestic Patent References:
| JP58121394A | ||||
| JP2006162238A | ||||
| JP52150855A | ||||
| JP2007155247A | ||||
| JP2002318083A |
Foreign References:
| US4286653 |
Attorney, Agent or Firm:
Toshio Hirayama