JPH039996B2 - - Google Patents

Info

Publication number
JPH039996B2
JPH039996B2 JP60098434A JP9843485A JPH039996B2 JP H039996 B2 JPH039996 B2 JP H039996B2 JP 60098434 A JP60098434 A JP 60098434A JP 9843485 A JP9843485 A JP 9843485A JP H039996 B2 JPH039996 B2 JP H039996B2
Authority
JP
Japan
Prior art keywords
cylindrical
expandable body
rock
metal rod
cylindrical expandable
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 - Lifetime
Application number
JP60098434A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61257593A (ja
Inventor
Kosei Masaka
Mitsuya Sakai
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.)
OKUMURA KIKAI SEISAKU KK
SEIBU HORIMA KASEI KK
Original Assignee
OKUMURA KIKAI SEISAKU KK
SEIBU HORIMA KASEI 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 OKUMURA KIKAI SEISAKU KK, SEIBU HORIMA KASEI KK filed Critical OKUMURA KIKAI SEISAKU KK
Priority to JP9843485A priority Critical patent/JPS61257593A/ja
Publication of JPS61257593A publication Critical patent/JPS61257593A/ja
Publication of JPH039996B2 publication Critical patent/JPH039996B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP9843485A 1985-05-09 1985-05-09 岩盤等の破砕装置 Granted JPS61257593A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9843485A JPS61257593A (ja) 1985-05-09 1985-05-09 岩盤等の破砕装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9843485A JPS61257593A (ja) 1985-05-09 1985-05-09 岩盤等の破砕装置

Publications (2)

Publication Number Publication Date
JPS61257593A JPS61257593A (ja) 1986-11-15
JPH039996B2 true JPH039996B2 (enExample) 1991-02-12

Family

ID=14219688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9843485A Granted JPS61257593A (ja) 1985-05-09 1985-05-09 岩盤等の破砕装置

Country Status (1)

Country Link
JP (1) JPS61257593A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS471501U (enExample) * 1971-01-08 1972-08-17
FI64438C (fi) * 1981-06-04 1983-11-10 Tampella Oy Ab Foerfarande foer spjaelkning av sten

Also Published As

Publication number Publication date
JPS61257593A (ja) 1986-11-15

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