Title:
Rock property prediction system, prediction method and pressing force measuring device
Document Type and Number:
Japanese Patent JP6326605
Kind Code:
B2
Inventors:
Masayuki Yamashita
Ryoichi Hikima
Ryo Hirano
Koji Ishiyama
Junichi Tsukada
Ryoichi Hikima
Ryo Hirano
Koji Ishiyama
Junichi Tsukada
Application Number:
JP2013268798A
Publication Date:
May 23, 2018
Filing Date:
December 26, 2013
Export Citation:
Assignee:
Nishimatsu Construction Co., Ltd.
International Classes:
E21C39/00; G01N33/24
Domestic Patent References:
| JP2013127180A | ||||
| JP49045123B1 | ||||
| JP61035938U | ||||
| JP3098109U | ||||
| JP3115844U |
Foreign References:
| US6290437 |
Attorney, Agent or Firm:
Patent Corporation MIP
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