JPS62125193U - - Google Patents

Info

Publication number
JPS62125193U
JPS62125193U JP1166986U JP1166986U JPS62125193U JP S62125193 U JPS62125193 U JP S62125193U JP 1166986 U JP1166986 U JP 1166986U JP 1166986 U JP1166986 U JP 1166986U JP S62125193 U JPS62125193 U JP S62125193U
Authority
JP
Japan
Prior art keywords
bucket
opening
closed
drilling
slime
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.)
Pending
Application number
JP1166986U
Other languages
English (en)
Japanese (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 JP1166986U priority Critical patent/JPS62125193U/ja
Publication of JPS62125193U publication Critical patent/JPS62125193U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1166986U 1986-01-31 1986-01-31 Pending JPS62125193U (US06534493-20030318-C00166.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1166986U JPS62125193U (US06534493-20030318-C00166.png) 1986-01-31 1986-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1166986U JPS62125193U (US06534493-20030318-C00166.png) 1986-01-31 1986-01-31

Publications (1)

Publication Number Publication Date
JPS62125193U true JPS62125193U (US06534493-20030318-C00166.png) 1987-08-08

Family

ID=30799090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1166986U Pending JPS62125193U (US06534493-20030318-C00166.png) 1986-01-31 1986-01-31

Country Status (1)

Country Link
JP (1) JPS62125193U (US06534493-20030318-C00166.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104786A (en) * 1980-12-19 1982-06-29 Hitachi Construction Machinery Scull type reverse circulation drill method and apparatus for use with bucket rotary drilling

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57104786A (en) * 1980-12-19 1982-06-29 Hitachi Construction Machinery Scull type reverse circulation drill method and apparatus for use with bucket rotary drilling

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