Title:
鋼製膨張式パッカーを用いた中空自穿孔ロックボルト補強工法
Document Type and Number:
Japanese Patent JP6549501
Kind Code:
B2
Inventors:
Morise Takashi
Keisuke Shimamoto
Nojo Ichiei
Naoki Ito
Tsutomu Matsuo
Tadashi Okabe
Keisuke Shimamoto
Nojo Ichiei
Naoki Ito
Tsutomu Matsuo
Tadashi Okabe
Application Number:
JP2016035309A
Publication Date:
July 24, 2019
Filing Date:
February 26, 2016
Export Citation:
Assignee:
Railway Technical Research Institute
KFC Inc.
KFC Inc.
International Classes:
E21D20/00
Domestic Patent References:
| JP7076819A | ||||
| JP2002174100A | ||||
| JP2012077509A | ||||
| JP2006249657A | ||||
| JP2010037743A | ||||
| JP2009249983A |
Foreign References:
| DE102004006872A1 |
Attorney, Agent or Firm:
Toshiaki Aoki
Mamoru Shimizu
Makoto Kawai
Mamoru Shimizu
Makoto Kawai