Title:
二重管継手
Document Type and Number:
Japanese Patent JP7477382
Kind Code:
B2
Abstract:
To provide a double-pipe joint which can easily connect double pipes to each other, and can rigidly connect the double-pipe joint and the double-pipe to each other.SOLUTION: A double-pipe joint 1 comprises: an outer pipe joint 10 composed of an outer pipe male joint 10A and an outer pipe female joint 10B, and connecting outer pipes 2A to each other; and an inner pipe joint 20 composed of an inner pipe male joint 20A and an inner pipe female joint 20B, and connecting inner pipes 2B to each other. The outer pipe male joint 10A and the outer pipe female joint 10B have therein inner pipe reception portions 16 into which the inner pipe male joint 20A or the inner pipe female joint 20B is inserted, outer pipe joint connection portions connected to the outer pipe female joint 10B or the outer pipe male joint 10A which are paired at their one-side ends, and outer pipe connection portions 13 which are inserted in and connected to the outer pipe 2A at the other-side ends, and the inner pipe male joint 20A and the inner pipe female joint 20B have inner pipe joint connection portions connected to the inner pipe female joint 20B or the inner pipe male joint 20A which are paired at their one-side ends, and inner pipe connection portions 23 which are inserted into and connected to the inner pipe 2B at the other-side ends.SELECTED DRAWING: Figure 1
Inventors:
Matsushima Satoshi
Hajime Fujikawa
Takuya Kanagawa
Liao Red Rainbow
Hajime Fujikawa
Takuya Kanagawa
Liao Red Rainbow
Application Number:
JP2020112918A
Publication Date:
May 01, 2024
Filing Date:
June 30, 2020
Export Citation:
Assignee:
Morita Holdings Co., Ltd.
International Classes:
F16L39/00; F16L37/12; F16L37/56
Domestic Patent References:
| JP5051095A | ||||
| JP51161619U | ||||
| JP2019140080A | ||||
| JP11512808A | ||||
| JP50012016B1 |
Foreign References:
| CN206831012U | ||||
| CN103727337A | ||||
| US6170522 | ||||
| US20040244848 | ||||
| US20170350548 |
Attorney, Agent or Firm:
Shinichi Abe
Takaaki Ota
Takaaki Ota