JPH0444720Y2 - - Google Patents

Info

Publication number
JPH0444720Y2
JPH0444720Y2 JP1984092186U JP9218684U JPH0444720Y2 JP H0444720 Y2 JPH0444720 Y2 JP H0444720Y2 JP 1984092186 U JP1984092186 U JP 1984092186U JP 9218684 U JP9218684 U JP 9218684U JP H0444720 Y2 JPH0444720 Y2 JP H0444720Y2
Authority
JP
Japan
Prior art keywords
lock bolt
hole
mortar
main body
hardening material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1984092186U
Other languages
English (en)
Japanese (ja)
Other versions
JPS616600U (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9218684U priority Critical patent/JPS616600U/ja
Publication of JPS616600U publication Critical patent/JPS616600U/ja
Application granted granted Critical
Publication of JPH0444720Y2 publication Critical patent/JPH0444720Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Working Measures On Existing Buildindgs (AREA)
  • Earth Drilling (AREA)
  • Lining And Supports For Tunnels (AREA)
JP9218684U 1984-06-19 1984-06-19 ロツクボルトの定着、硬化材流出防止具 Granted JPS616600U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9218684U JPS616600U (ja) 1984-06-19 1984-06-19 ロツクボルトの定着、硬化材流出防止具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9218684U JPS616600U (ja) 1984-06-19 1984-06-19 ロツクボルトの定着、硬化材流出防止具

Publications (2)

Publication Number Publication Date
JPS616600U JPS616600U (ja) 1986-01-16
JPH0444720Y2 true JPH0444720Y2 (en, 2012) 1992-10-21

Family

ID=30648756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9218684U Granted JPS616600U (ja) 1984-06-19 1984-06-19 ロツクボルトの定着、硬化材流出防止具

Country Status (1)

Country Link
JP (1) JPS616600U (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100383453B1 (ko) * 2000-07-19 2003-05-14 주식회사 삼보기술단 락 볼트 시공용 고정구
GB2609017B (en) * 2021-07-16 2023-07-12 Hypertunnel Ip Ltd Integrated drilling injection and extraction device and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5777799A (en) * 1980-10-29 1982-05-15 Shigeo Shimizu Method of preventing spillage of fixing mortar for bottom lock bolt
JPS5785419A (en) * 1980-11-17 1982-05-28 Taisei Corp Reinforcement of rock bed

Also Published As

Publication number Publication date
JPS616600U (ja) 1986-01-16

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