Title:
An execution method of a drilling device and a sheet pile
Document Type and Number:
Japanese Patent JP5987487
Kind Code:
B2
Inventors:
Kunio Nagai
Toshihiro Tanaka
Toshihiro Tanaka
Application Number:
JP2012135383A
Publication Date:
September 07, 2016
Filing Date:
June 15, 2012
Export Citation:
Assignee:
Nagai Gumi Co., Ltd.
Toshihiro Tanaka
ACC Corporation
Toshihiro Tanaka
ACC Corporation
International Classes:
E21B4/16; E21B1/32; E21B4/14; E21B6/04
Domestic Patent References:
| JP63181884A | ||||
| JP9031980A | ||||
| JP2004239063A | ||||
| JP2002129558A | ||||
| JP10102491A | ||||
| JP8027776A |
Attorney, Agent or Firm:
Shinichi Mashita