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Title:
PIPING JOINT STRUCTURE AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP3821064
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a piping joint structure for reducing a height of a joint and reducing the manufacturing cost.
SOLUTION: Through holes 13, 14 penetrated in the plate thickness direction are formed on a connecting flange member 10, polygonal enlarged recessed parts 13b, 14b larger than an inner diameter of the through holes 13, 14 are respectively formed on one end side of each of the through holes 13, 14, on the other hand, annular projecting parts 16, 17 radially projecting are formed near end parts of the pipes 11, 12 having an outer diameter insertable into the through holes 13, 14, an outer diameter of the annular projecting parts 16, 17 are larger than an inscribed circle diameter of the polygonal enlarged recessed parts 13b, 14b, and the circular projecting parts 16, 17 are press fitted and fixed to the enlarged recessed parts 13b, 14b.


Inventors:
Atsushi Inaba
Takeshi Sakai
Application Number:
JP2002192203A
Publication Date:
September 13, 2006
Filing Date:
July 01, 2002
Export Citation:
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Assignee:
株式会社デンソー
International Classes:
F16L23/024; F25B41/00; B60H1/32; F16L23/026; F16L23/028; F16L39/00; F16L41/08; F28F9/04; F28F9/26; (IPC1-7): F25B41/00; F16L23/024; F16L23/026; F16L23/028; //B60H1/32
Domestic Patent References:
JP8216668A
JP63233270A
JP2002130561A
JP7012690U
Attorney, Agent or Firm:
Yoji Ito
Takahiro Miura
Fumihiro Mizuno