JPS6241109Y2 - - Google Patents

Info

Publication number
JPS6241109Y2
JPS6241109Y2 JP1983075464U JP7546483U JPS6241109Y2 JP S6241109 Y2 JPS6241109 Y2 JP S6241109Y2 JP 1983075464 U JP1983075464 U JP 1983075464U JP 7546483 U JP7546483 U JP 7546483U JP S6241109 Y2 JPS6241109 Y2 JP S6241109Y2
Authority
JP
Japan
Prior art keywords
excavation
blade
cutting edge
groove
rock
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
JP1983075464U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59183991U (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 JP7546483U priority Critical patent/JPS59183991U/ja
Publication of JPS59183991U publication Critical patent/JPS59183991U/ja
Application granted granted Critical
Publication of JPS6241109Y2 publication Critical patent/JPS6241109Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7546483U 1983-05-19 1983-05-19 ア−スオ−ガ−用掘削刃 Granted JPS59183991U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7546483U JPS59183991U (ja) 1983-05-19 1983-05-19 ア−スオ−ガ−用掘削刃

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7546483U JPS59183991U (ja) 1983-05-19 1983-05-19 ア−スオ−ガ−用掘削刃

Publications (2)

Publication Number Publication Date
JPS59183991U JPS59183991U (ja) 1984-12-07
JPS6241109Y2 true JPS6241109Y2 (en:Method) 1987-10-21

Family

ID=30205530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7546483U Granted JPS59183991U (ja) 1983-05-19 1983-05-19 ア−スオ−ガ−用掘削刃

Country Status (1)

Country Link
JP (1) JPS59183991U (en:Method)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59140392U (ja) * 1983-03-05 1984-09-19 株式会社菱備基礎 障害地盤削孔用掘削刃

Also Published As

Publication number Publication date
JPS59183991U (ja) 1984-12-07

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