Title:
Ground drilling method and ground drilling equipment
Document Type and Number:
Japanese Patent JP6307002
Kind Code:
B2
Inventors:
Kazuya Saito
Yasunari Tezuka
Yasuyuki Miyajima
Kazunori Nishioka
Atsushi Yokoo
Takashi Miura
Togawa Makoto
Daisuke Shimizu
Yasunari Tezuka
Yasuyuki Miyajima
Kazunori Nishioka
Atsushi Yokoo
Takashi Miura
Togawa Makoto
Daisuke Shimizu
Application Number:
JP2014210667A
Publication Date:
April 04, 2018
Filing Date:
October 15, 2014
Export Citation:
Assignee:
Kashima Construction Co., Ltd.
International Classes:
E21B6/00; E21B7/00
Domestic Patent References:
| JP2005188176A | ||||
| JP2004036204A | ||||
| JP2003239672A | ||||
| JP60141987A | ||||
| JP2014077286A | ||||
| JP10311193A | ||||
| JP2005163434A |
Foreign References:
| US5050688 | ||||
| US20070137874 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Hiroshi Kondo
Hideki Komatsu
Yoshiki Kuroki
Hiroshi Kondo
Hideki Komatsu
Previous Patent: Game machine
Next Patent: MANUFACTURE OF PRECAST CONCRETE BOARD EMBEDDED THEREIN WITH METAL PANEL
Next Patent: MANUFACTURE OF PRECAST CONCRETE BOARD EMBEDDED THEREIN WITH METAL PANEL