JPS6233828Y2 - - Google Patents

Info

Publication number
JPS6233828Y2
JPS6233828Y2 JP4445681U JP4445681U JPS6233828Y2 JP S6233828 Y2 JPS6233828 Y2 JP S6233828Y2 JP 4445681 U JP4445681 U JP 4445681U JP 4445681 U JP4445681 U JP 4445681U JP S6233828 Y2 JPS6233828 Y2 JP S6233828Y2
Authority
JP
Japan
Prior art keywords
guide
rock
wedge
hole
diameter
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
JP4445681U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57160392U (enrdf_load_stackoverflow
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 JP4445681U priority Critical patent/JPS6233828Y2/ja
Priority to US06/360,364 priority patent/US4474410A/en
Priority to SE8201984A priority patent/SE453112B/sv
Priority to DE19823211580 priority patent/DE3211580A1/de
Publication of JPS57160392U publication Critical patent/JPS57160392U/ja
Application granted granted Critical
Publication of JPS6233828Y2 publication Critical patent/JPS6233828Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP4445681U 1981-03-31 1981-03-31 Expired JPS6233828Y2 (enrdf_load_stackoverflow)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4445681U JPS6233828Y2 (enrdf_load_stackoverflow) 1981-03-31 1981-03-31
US06/360,364 US4474410A (en) 1981-03-31 1982-03-22 Power-driven, wedge-operated rock splitter
SE8201984A SE453112B (sv) 1981-03-31 1982-03-29 Kilformad bergspreckningsanordning
DE19823211580 DE3211580A1 (de) 1981-03-31 1982-03-29 Vorrichtung zum mechanischen sprengen von gestein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4445681U JPS6233828Y2 (enrdf_load_stackoverflow) 1981-03-31 1981-03-31

Publications (2)

Publication Number Publication Date
JPS57160392U JPS57160392U (enrdf_load_stackoverflow) 1982-10-08
JPS6233828Y2 true JPS6233828Y2 (enrdf_load_stackoverflow) 1987-08-29

Family

ID=29841379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4445681U Expired JPS6233828Y2 (enrdf_load_stackoverflow) 1981-03-31 1981-03-31

Country Status (1)

Country Link
JP (1) JPS6233828Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57160392U (enrdf_load_stackoverflow) 1982-10-08

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