Title:
トンネルへのパイプ挿入装置、及びパイプの挿入方法
Document Type and Number:
Japanese Patent JP7450370
Kind Code:
B2
Abstract:
To smoothly install pipes in a tunnel while efficiently connecting the pipes under a good working environment.SOLUTION: A tunnel structure comprises: a tunnel 1 including a first circular arc part 14 and a second circular arc part 15; pipes 20 curving along the first circular arc part 14 and the second circular arc part 15; and a plurality of rollers 30 supporting the pipes 20 on each of both of the first circular arc part 14 and the second circular arc part 15.SELECTED DRAWING: Figure 1
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Inventors:
Hayao Yanagimoto
Sato Keisuke
Yasuo Ikuno
Hajime Imamura
Daisuke Kawauchi
Toshihiko Ito
Sato Keisuke
Yasuo Ikuno
Hajime Imamura
Daisuke Kawauchi
Toshihiko Ito
Application Number:
JP2019209330A
Publication Date:
March 15, 2024
Filing Date:
November 20, 2019
Export Citation:
Assignee:
Nippon Steel Pipeline & Engineering Co., Ltd.
Okumura Gumi Co., Ltd.
Okumura Gumi Co., Ltd.
International Classes:
E21F13/00; F16L55/32
Domestic Patent References:
| JP2002188756A |
Foreign References:
| US4323981 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Onami Kazunori
Tomoo Katsumata
Hiroshi Yamaguchi
Koichiro Hotta
Kengo Yamaguchi
Yasuhiro Iida
Shota Iguchi
Onami Kazunori
Tomoo Katsumata
Hiroshi Yamaguchi
Koichiro Hotta
Kengo Yamaguchi
Yasuhiro Iida
Shota Iguchi