Title:
DOUBLE PIPE JOINT STRUCTURE
Document Type and Number:
Japanese Patent JP2020133721
Kind Code:
A
Abstract:
To surely prevent fluid flowing in a pipe from flowing outward.SOLUTION: A double pipe joint structure 1 comprises: an outside pipe 10 having a first outside pipe 11, a first outside sleeve 15, a second outside pipe 12, a second outside sleeve 17, and a third outside pipe 13; and an inside pipe 20 having a first inside pipe 21, a first inside sleeve 25, a second inside pipe 22, a second inside sleeve 26, and a third inside pipe 23. The first outside pipe 11 and the first inside pipe 21 are connected, the second outside pipe 12 and the second inside pipe 22 are connected, and the third outside pipe 13 and the third inside pipe 23 are connected. The first outside tube 11 and the second outside tube 12 are connected to each other by a first hinge structure 45A, and the second outside tube 12 and the third outside tube 13 are connected to each other by a second hinge structure 47A.SELECTED DRAWING: Figure 1
Inventors:
ASADA SHINICHI
TERADA YOSHIHIRO
TERADA YOSHIHIRO
Application Number:
JP2019025829A
Publication Date:
August 31, 2020
Filing Date:
February 15, 2019
Export Citation:
Assignee:
VICTAULIC JAPAN
International Classes:
F16L27/12; F16L39/04
Domestic Patent References:
| JP2008008487A | 2008-01-17 | |||
| JP2004108568A | 2004-04-08 | |||
| JPH05287787A | 1993-11-02 | |||
| JPS5999189A | 1984-06-07 | |||
| JPS3610587B1 | ||||
| JPH0269197U | 1990-05-25 | |||
| JPS55145785U | 1980-10-20 | |||
| JP3182923U | 2013-04-18 | |||
| JPS4960008A | 1974-06-11 |
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Yukitaka Nakamura
Satoru Asakura