JPH0473088U - - Google Patents

Info

Publication number
JPH0473088U
JPH0473088U JP11467490U JP11467490U JPH0473088U JP H0473088 U JPH0473088 U JP H0473088U JP 11467490 U JP11467490 U JP 11467490U JP 11467490 U JP11467490 U JP 11467490U JP H0473088 U JPH0473088 U JP H0473088U
Authority
JP
Japan
Prior art keywords
propulsion
band
tube
propulsion tube
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
JP11467490U
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 JP11467490U priority Critical patent/JPH0473088U/ja
Publication of JPH0473088U publication Critical patent/JPH0473088U/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推進管の縦断
面図、第2図は従来の推進管を示す縦断面図であ
る。 1a,1b……推進管、11……突起、12…
…環状凹溝、2……バンド、21……フランジ、
22……突起、3……ボルト、4……ナツト。

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、推進管の両端外周面を切り欠いて管端側
    に突起を有する環状凹溝を形成し、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
    からそれぞれの環状凹溝に跨がるバンドを巻回し
    、該バンドの外周面と推進管の外周面とがほぼ面
    一となるようにして接続したことを特徴とする推
    進管。
JP11467490U 1990-10-31 1990-10-31 Pending JPH0473088U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11467490U JPH0473088U (ja) 1990-10-31 1990-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11467490U JPH0473088U (ja) 1990-10-31 1990-10-31

Publications (1)

Publication Number Publication Date
JPH0473088U true JPH0473088U (ja) 1992-06-26

Family

ID=31862382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11467490U Pending JPH0473088U (ja) 1990-10-31 1990-10-31

Country Status (1)

Country Link
JP (1) JPH0473088U (ja)

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