Title:
打撃式削孔流体噴射装置及び高圧噴射地盤改良工法
Document Type and Number:
Japanese Patent JP5774147
Kind Code:
B2
Inventors:
Koichi Kojima
Toshihisa Taniguchi
Toshihisa Taniguchi
Application Number:
JP2014013128A
Publication Date:
September 02, 2015
Filing Date:
January 28, 2014
Export Citation:
Assignee:
Sanwa Underground Construction Co., Ltd.
International Classes:
E02D3/12; E21B4/06; E21B4/14; E21B6/04
Domestic Patent References:
| JP2006336389A | ||||
| JP2004332277A | ||||
| JP2011026955A | ||||
| JP2013002039A | ||||
| JP2002339342A | ||||
| JP2004076520A | ||||
| JP2011208484A | ||||
| JP2010229729A |
Attorney, Agent or Firm:
Hideki Yamamoto