Title:
掘削孔壁防護管のシール装置
Document Type and Number:
Japanese Patent JP5295310
Kind Code:
B2
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Inventors:
Tadayoshi Ishibashi
Taniguchi Yoshinori
Hirofumi Ikemoto
Asahiro Wada
Yuri Nakagawa
Fusako Takahashi
Hideaki Takasaki
Takato Otsuka
Masaharu Saito
Shigetsugu Takeda
Motoaki Kurisu
Akira Yamada
Shinya Yamauchi
Hiroyuki Takami
Toshihiro Machinaga
Koji Nishimura
Taniguchi Yoshinori
Hirofumi Ikemoto
Asahiro Wada
Yuri Nakagawa
Fusako Takahashi
Hideaki Takasaki
Takato Otsuka
Masaharu Saito
Shigetsugu Takeda
Motoaki Kurisu
Akira Yamada
Shinya Yamauchi
Hiroyuki Takami
Toshihiro Machinaga
Koji Nishimura
Application Number:
JP2011128599A
Publication Date:
September 18, 2013
Filing Date:
June 08, 2011
Export Citation:
Assignee:
East Japan Railway Company
Iron Construction Co., Ltd.
Iron Construction Co., Ltd.
International Classes:
E21B3/02; E21D1/08; E21D5/10
Domestic Patent References:
| JP2010248714A | ||||
| JP3156774U | ||||
| JP61126293A | ||||
| JP2010090588A |
Attorney, Agent or Firm:
Hirotaka Hatayama