JPS5373401A - Method of crushing base rock - Google Patents

Method of crushing base rock

Info

Publication number
JPS5373401A
JPS5373401A JP14941776A JP14941776A JPS5373401A JP S5373401 A JPS5373401 A JP S5373401A JP 14941776 A JP14941776 A JP 14941776A JP 14941776 A JP14941776 A JP 14941776A JP S5373401 A JPS5373401 A JP S5373401A
Authority
JP
Japan
Prior art keywords
base rock
crushing base
crushing
rock
base
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.)
Pending
Application number
JP14941776A
Other languages
Japanese (ja)
Inventor
Kenzou Hoshino
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP14941776A priority Critical patent/JPS5373401A/en
Publication of JPS5373401A publication Critical patent/JPS5373401A/en
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP14941776A 1976-12-14 1976-12-14 Method of crushing base rock Pending JPS5373401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14941776A JPS5373401A (en) 1976-12-14 1976-12-14 Method of crushing base rock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14941776A JPS5373401A (en) 1976-12-14 1976-12-14 Method of crushing base rock

Publications (1)

Publication Number Publication Date
JPS5373401A true JPS5373401A (en) 1978-06-29

Family

ID=15474650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14941776A Pending JPS5373401A (en) 1976-12-14 1976-12-14 Method of crushing base rock

Country Status (1)

Country Link
JP (1) JPS5373401A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641987A (en) * 1979-09-16 1981-04-18 Yasuo Mori Hydraulic crushing initiation method of underground rock body
JPS59134291A (en) * 1983-01-21 1984-08-01 大成建設株式会社 slotted hole drilling rig
JPH04293893A (en) * 1991-03-22 1992-10-19 Fujita Corp Controlled blasting method for rock tunnels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641987A (en) * 1979-09-16 1981-04-18 Yasuo Mori Hydraulic crushing initiation method of underground rock body
JPS59134291A (en) * 1983-01-21 1984-08-01 大成建設株式会社 slotted hole drilling rig
JPH04293893A (en) * 1991-03-22 1992-10-19 Fujita Corp Controlled blasting method for rock tunnels

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