Title:
An auger and a digging construction method which served as foundation bundle hardening
Document Type and Number:
Japanese Patent JP6203233
Kind Code:
B2
Inventors:
Yabuuchi Sadao
Application Number:
JP2015231250A
Publication Date:
September 27, 2017
Filing Date:
November 27, 2015
Export Citation:
Assignee:
Yabuuchi Kosan Co., Ltd.
International Classes:
E02D7/26; E02D7/18; E02D7/22; E21B7/00
Domestic Patent References:
| JP2006028772A | ||||
| JP5027128U | ||||
| JP5272284A | ||||
| JP2003035080A | ||||
| JP2001040970A | ||||
| JP2007239369A | ||||
| JP8134892A |
Foreign References:
| US20130272798 |
Attorney, Agent or Firm:
Patent Business Corporation Saegusa International Patent Office