JPS6056926B2 - 軟岩用ロツクボルト - Google Patents

軟岩用ロツクボルト

Info

Publication number
JPS6056926B2
JPS6056926B2 JP47118688A JP11868872A JPS6056926B2 JP S6056926 B2 JPS6056926 B2 JP S6056926B2 JP 47118688 A JP47118688 A JP 47118688A JP 11868872 A JP11868872 A JP 11868872A JP S6056926 B2 JPS6056926 B2 JP S6056926B2
Authority
JP
Japan
Prior art keywords
anchor
tightening
cone
blade
hollow pipe
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
JP47118688A
Other languages
English (en)
Japanese (ja)
Other versions
JPS4975963A (fr
Inventor
稔 山本
洋一郎 加藤
和夫 木内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Okabe Co Ltd
Original Assignee
Okabe Co Ltd
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 by Okabe Co Ltd filed Critical Okabe Co Ltd
Priority to JP47118688A priority Critical patent/JPS6056926B2/ja
Publication of JPS4975963A publication Critical patent/JPS4975963A/ja
Publication of JPS6056926B2 publication Critical patent/JPS6056926B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Rock Bolts (AREA)
  • Dowels (AREA)
JP47118688A 1972-11-27 1972-11-27 軟岩用ロツクボルト Expired JPS6056926B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47118688A JPS6056926B2 (ja) 1972-11-27 1972-11-27 軟岩用ロツクボルト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47118688A JPS6056926B2 (ja) 1972-11-27 1972-11-27 軟岩用ロツクボルト

Publications (2)

Publication Number Publication Date
JPS4975963A JPS4975963A (fr) 1974-07-22
JPS6056926B2 true JPS6056926B2 (ja) 1985-12-12

Family

ID=14742712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47118688A Expired JPS6056926B2 (ja) 1972-11-27 1972-11-27 軟岩用ロツクボルト

Country Status (1)

Country Link
JP (1) JPS6056926B2 (fr)

Also Published As

Publication number Publication date
JPS4975963A (fr) 1974-07-22

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Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 19810929