JPH022798Y2 - - Google Patents

Info

Publication number
JPH022798Y2
JPH022798Y2 JP18754483U JP18754483U JPH022798Y2 JP H022798 Y2 JPH022798 Y2 JP H022798Y2 JP 18754483 U JP18754483 U JP 18754483U JP 18754483 U JP18754483 U JP 18754483U JP H022798 Y2 JPH022798 Y2 JP H022798Y2
Authority
JP
Japan
Prior art keywords
outer tube
tube
head ring
screw
propels
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
JP18754483U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6096495U (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 JP18754483U priority Critical patent/JPS6096495U/ja
Publication of JPS6096495U publication Critical patent/JPS6096495U/ja
Application granted granted Critical
Publication of JPH022798Y2 publication Critical patent/JPH022798Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP18754483U 1983-12-06 1983-12-06 筒管の地中前進装置 Granted JPS6096495U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18754483U JPS6096495U (ja) 1983-12-06 1983-12-06 筒管の地中前進装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18754483U JPS6096495U (ja) 1983-12-06 1983-12-06 筒管の地中前進装置

Publications (2)

Publication Number Publication Date
JPS6096495U JPS6096495U (ja) 1985-07-01
JPH022798Y2 true JPH022798Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-01-23

Family

ID=30404808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18754483U Granted JPS6096495U (ja) 1983-12-06 1983-12-06 筒管の地中前進装置

Country Status (1)

Country Link
JP (1) JPS6096495U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS6096495U (ja) 1985-07-01

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