JPS6168192U - - Google Patents

Info

Publication number
JPS6168192U
JPS6168192U JP14961684U JP14961684U JPS6168192U JP S6168192 U JPS6168192 U JP S6168192U JP 14961684 U JP14961684 U JP 14961684U JP 14961684 U JP14961684 U JP 14961684U JP S6168192 U JPS6168192 U JP S6168192U
Authority
JP
Japan
Prior art keywords
screw
tip
directions
leading pipe
casing
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.)
Granted
Application number
JP14961684U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0235918Y2 (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 JP14961684U priority Critical patent/JPH0235918Y2/ja
Publication of JPS6168192U publication Critical patent/JPS6168192U/ja
Application granted granted Critical
Publication of JPH0235918Y2 publication Critical patent/JPH0235918Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP14961684U 1984-10-04 1984-10-04 Expired JPH0235918Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14961684U JPH0235918Y2 (enrdf_load_stackoverflow) 1984-10-04 1984-10-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14961684U JPH0235918Y2 (enrdf_load_stackoverflow) 1984-10-04 1984-10-04

Publications (2)

Publication Number Publication Date
JPS6168192U true JPS6168192U (enrdf_load_stackoverflow) 1986-05-10
JPH0235918Y2 JPH0235918Y2 (enrdf_load_stackoverflow) 1990-10-01

Family

ID=30707788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14961684U Expired JPH0235918Y2 (enrdf_load_stackoverflow) 1984-10-04 1984-10-04

Country Status (1)

Country Link
JP (1) JPH0235918Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0235918Y2 (enrdf_load_stackoverflow) 1990-10-01

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