JPH0470390U - - Google Patents

Info

Publication number
JPH0470390U
JPH0470390U JP11065690U JP11065690U JPH0470390U JP H0470390 U JPH0470390 U JP H0470390U JP 11065690 U JP11065690 U JP 11065690U JP 11065690 U JP11065690 U JP 11065690U JP H0470390 U JPH0470390 U JP H0470390U
Authority
JP
Japan
Prior art keywords
propulsion tube
propulsion
tube
fitted
annular groove
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
JP11065690U
Other languages
English (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 JP11065690U priority Critical patent/JPH0470390U/ja
Publication of JPH0470390U publication Critical patent/JPH0470390U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Joints With Sleeves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す縦断面図、第
2図は従来例を示す縦断面図である。 1a,1b……推進管、11……環状溝、2…
…金属製筒体、3……シール材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 推進工法により地中に順次圧入される推進管で
    あつて、推進管の両端部に管端面に開口した環状
    溝を設け、先行する推進管の後端と後続の推進管
    の先端とを突き合わせてそれぞれの環状溝の奥に
    シール材を装填すると共に、両方の環状溝に跨が
    つて金属製筒体を嵌挿したことを特徴とする推進
    管。
JP11065690U 1990-10-23 1990-10-23 Pending JPH0470390U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11065690U JPH0470390U (ja) 1990-10-23 1990-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11065690U JPH0470390U (ja) 1990-10-23 1990-10-23

Publications (1)

Publication Number Publication Date
JPH0470390U true JPH0470390U (ja) 1992-06-22

Family

ID=31858023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11065690U Pending JPH0470390U (ja) 1990-10-23 1990-10-23

Country Status (1)

Country Link
JP (1) JPH0470390U (ja)

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