JPS6332959B2 - - Google Patents

Info

Publication number
JPS6332959B2
JPS6332959B2 JP12583684A JP12583684A JPS6332959B2 JP S6332959 B2 JPS6332959 B2 JP S6332959B2 JP 12583684 A JP12583684 A JP 12583684A JP 12583684 A JP12583684 A JP 12583684A JP S6332959 B2 JPS6332959 B2 JP S6332959B2
Authority
JP
Japan
Prior art keywords
expandable body
cylindrical elastic
cylindrical
elastic expandable
hole
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
JP12583684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS615197A (ja
Inventor
Akya Maeda
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 JP12583684A priority Critical patent/JPS615197A/ja
Publication of JPS615197A publication Critical patent/JPS615197A/ja
Publication of JPS6332959B2 publication Critical patent/JPS6332959B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP12583684A 1984-06-18 1984-06-18 岩石等の破砕装置 Granted JPS615197A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12583684A JPS615197A (ja) 1984-06-18 1984-06-18 岩石等の破砕装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12583684A JPS615197A (ja) 1984-06-18 1984-06-18 岩石等の破砕装置

Publications (2)

Publication Number Publication Date
JPS615197A JPS615197A (ja) 1986-01-10
JPS6332959B2 true JPS6332959B2 (enrdf_load_stackoverflow) 1988-07-01

Family

ID=14920137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12583684A Granted JPS615197A (ja) 1984-06-18 1984-06-18 岩石等の破砕装置

Country Status (1)

Country Link
JP (1) JPS615197A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS615197A (ja) 1986-01-10

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