JPS5777800A - Rock bolt - Google Patents

Rock bolt

Info

Publication number
JPS5777800A
JPS5777800A JP15384880A JP15384880A JPS5777800A JP S5777800 A JPS5777800 A JP S5777800A JP 15384880 A JP15384880 A JP 15384880A JP 15384880 A JP15384880 A JP 15384880A JP S5777800 A JPS5777800 A JP S5777800A
Authority
JP
Japan
Prior art keywords
rock bolt
rock
bolt
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.)
Granted
Application number
JP15384880A
Other languages
Japanese (ja)
Other versions
JPS6362640B2 (en
Inventor
Yasuyuki Morita
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.)
TOKYO GIKEN KOGYO KK
Original Assignee
TOKYO GIKEN KOGYO KK
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 TOKYO GIKEN KOGYO KK filed Critical TOKYO GIKEN KOGYO KK
Priority to JP15384880A priority Critical patent/JPS5777800A/en
Publication of JPS5777800A publication Critical patent/JPS5777800A/en
Publication of JPS6362640B2 publication Critical patent/JPS6362640B2/ja
Granted legal-status Critical Current

Links

JP15384880A 1980-11-04 1980-11-04 Rock bolt Granted JPS5777800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15384880A JPS5777800A (en) 1980-11-04 1980-11-04 Rock bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15384880A JPS5777800A (en) 1980-11-04 1980-11-04 Rock bolt

Publications (2)

Publication Number Publication Date
JPS5777800A true JPS5777800A (en) 1982-05-15
JPS6362640B2 JPS6362640B2 (en) 1988-12-02

Family

ID=15571416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15384880A Granted JPS5777800A (en) 1980-11-04 1980-11-04 Rock bolt

Country Status (1)

Country Link
JP (1) JPS5777800A (en)

Also Published As

Publication number Publication date
JPS6362640B2 (en) 1988-12-02

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