JPH0332637Y2 - - Google Patents

Info

Publication number
JPH0332637Y2
JPH0332637Y2 JP2485285U JP2485285U JPH0332637Y2 JP H0332637 Y2 JPH0332637 Y2 JP H0332637Y2 JP 2485285 U JP2485285 U JP 2485285U JP 2485285 U JP2485285 U JP 2485285U JP H0332637 Y2 JPH0332637 Y2 JP H0332637Y2
Authority
JP
Japan
Prior art keywords
pipe
tip
casing
gravel
screw
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
JP2485285U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61146594U (en]
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 JP2485285U priority Critical patent/JPH0332637Y2/ja
Publication of JPS61146594U publication Critical patent/JPS61146594U/ja
Application granted granted Critical
Publication of JPH0332637Y2 publication Critical patent/JPH0332637Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP2485285U 1985-02-25 1985-02-25 Expired JPH0332637Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2485285U JPH0332637Y2 (en]) 1985-02-25 1985-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2485285U JPH0332637Y2 (en]) 1985-02-25 1985-02-25

Publications (2)

Publication Number Publication Date
JPS61146594U JPS61146594U (en]) 1986-09-10
JPH0332637Y2 true JPH0332637Y2 (en]) 1991-07-10

Family

ID=30519393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2485285U Expired JPH0332637Y2 (en]) 1985-02-25 1985-02-25

Country Status (1)

Country Link
JP (1) JPH0332637Y2 (en])

Also Published As

Publication number Publication date
JPS61146594U (en]) 1986-09-10

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