Title:
The drilling tool using a digging chip and this
Document Type and Number:
Japanese Patent JP6149486
Kind Code:
B2
Inventors:
Shogo Inada
Takao Tatsuo
Takashi Abe
Takao Tatsuo
Takashi Abe
Application Number:
JP2013089726A
Publication Date:
June 21, 2017
Filing Date:
April 22, 2013
Export Citation:
Assignee:
Mitsubishi Materials Corporation
International Classes:
E21B10/52
Domestic Patent References:
| JP62099693U | ||||
| JP4147939A | ||||
| JP8333647A | ||||
| JP2204592A | ||||
| JP2009097081A | ||||
| JP2001335876A | ||||
| JP3125890U | ||||
| JP6046089U | ||||
| JP10511432A | ||||
| JP10511740A | ||||
| JP2005521818A |
Foreign References:
| US5541006 | ||||
| US5697042 | ||||
| US6508318 |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Hiroshi Masui
Fumihiro Hosokawa
Tadashi Takahashi
Hiroshi Masui
Fumihiro Hosokawa