Title:
中空管体及びそれを使用したトンネルの構築方法
Document Type and Number:
Japanese Patent JP5302746
Kind Code:
B2
Inventors:
Yasuo Nishida
Hiroshi Ogura
Toru Sato
Hiroshi Ogura
Toru Sato
Application Number:
JP2009098042A
Publication Date:
October 02, 2013
Filing Date:
April 14, 2009
Export Citation:
Assignee:
Taisei Corporation
Seiken Co., Ltd.
Iseki Development Machinery Co., Ltd.
Seiken Co., Ltd.
Iseki Development Machinery Co., Ltd.
International Classes:
E21D9/04; E21D13/02
Domestic Patent References:
| JP2004332387A | ||||
| JP61060998A | ||||
| JP2007217910A | ||||
| JP2006342518A |
Attorney, Agent or Firm:
Tamio Nishiwaki