JPH0629272Y2 - 埋設管の自動推進装置 - Google Patents

埋設管の自動推進装置

Info

Publication number
JPH0629272Y2
JPH0629272Y2 JP2424788U JP2424788U JPH0629272Y2 JP H0629272 Y2 JPH0629272 Y2 JP H0629272Y2 JP 2424788 U JP2424788 U JP 2424788U JP 2424788 U JP2424788 U JP 2424788U JP H0629272 Y2 JPH0629272 Y2 JP H0629272Y2
Authority
JP
Japan
Prior art keywords
piston rod
guide
contraction
end sensor
telescopic cylinder
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 - Lifetime
Application number
JP2424788U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01136593U (cs
Inventor
卓 竹内
保夫 大久保
徳弘 矢頭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 by Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP2424788U priority Critical patent/JPH0629272Y2/ja
Publication of JPH01136593U publication Critical patent/JPH01136593U/ja
Application granted granted Critical
Publication of JPH0629272Y2 publication Critical patent/JPH0629272Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP2424788U 1988-02-25 1988-02-25 埋設管の自動推進装置 Expired - Lifetime JPH0629272Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2424788U JPH0629272Y2 (ja) 1988-02-25 1988-02-25 埋設管の自動推進装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2424788U JPH0629272Y2 (ja) 1988-02-25 1988-02-25 埋設管の自動推進装置

Publications (2)

Publication Number Publication Date
JPH01136593U JPH01136593U (cs) 1989-09-19
JPH0629272Y2 true JPH0629272Y2 (ja) 1994-08-10

Family

ID=31243937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2424788U Expired - Lifetime JPH0629272Y2 (ja) 1988-02-25 1988-02-25 埋設管の自動推進装置

Country Status (1)

Country Link
JP (1) JPH0629272Y2 (cs)

Also Published As

Publication number Publication date
JPH01136593U (cs) 1989-09-19

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