JPS64475Y2 - - Google Patents

Info

Publication number
JPS64475Y2
JPS64475Y2 JP1984091238U JP9123884U JPS64475Y2 JP S64475 Y2 JPS64475 Y2 JP S64475Y2 JP 1984091238 U JP1984091238 U JP 1984091238U JP 9123884 U JP9123884 U JP 9123884U JP S64475 Y2 JPS64475 Y2 JP S64475Y2
Authority
JP
Japan
Prior art keywords
elastic
expandable body
ring member
circumferential surface
rigid rod
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
JP1984091238U
Other languages
English (en)
Japanese (ja)
Other versions
JPS616595U (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 JP9123884U priority Critical patent/JPS616595U/ja
Publication of JPS616595U publication Critical patent/JPS616595U/ja
Application granted granted Critical
Publication of JPS64475Y2 publication Critical patent/JPS64475Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP9123884U 1984-06-19 1984-06-19 圧力流体を利用した岩石等の破砕装置 Granted JPS616595U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9123884U JPS616595U (ja) 1984-06-19 1984-06-19 圧力流体を利用した岩石等の破砕装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9123884U JPS616595U (ja) 1984-06-19 1984-06-19 圧力流体を利用した岩石等の破砕装置

Publications (2)

Publication Number Publication Date
JPS616595U JPS616595U (ja) 1986-01-16
JPS64475Y2 true JPS64475Y2 (OSRAM) 1989-01-06

Family

ID=30646952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9123884U Granted JPS616595U (ja) 1984-06-19 1984-06-19 圧力流体を利用した岩石等の破砕装置

Country Status (1)

Country Link
JP (1) JPS616595U (OSRAM)

Also Published As

Publication number Publication date
JPS616595U (ja) 1986-01-16

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