JPH0190896U - - Google Patents

Info

Publication number
JPH0190896U
JPH0190896U JP18564387U JP18564387U JPH0190896U JP H0190896 U JPH0190896 U JP H0190896U JP 18564387 U JP18564387 U JP 18564387U JP 18564387 U JP18564387 U JP 18564387U JP H0190896 U JPH0190896 U JP H0190896U
Authority
JP
Japan
Prior art keywords
tube
propulsion
injection hole
end surface
hole
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
JP18564387U
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 JP18564387U priority Critical patent/JPH0190896U/ja
Publication of JPH0190896U publication Critical patent/JPH0190896U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第1図は
その一部を省略した縦断側面図、第2図は注入孔
を設けた外周部の縦断側面図、第3図はその分岐
孔部の拡大断面図、第4図及び第5図は夫々第1
図A―A線、B―B線における縦断正面図、第6
図は最前部の管の注入孔部を示す管外周部の縦断
側面図である。 1…管主体、3…小口径孔、5…注入孔、6…
分岐孔、7…逆止弁。

Claims (1)

  1. 【実用新案登録請求の範囲】 管主体1の外周内部に後端面から前端面に向
    かつて小径の注入孔5を穿設していることを特徴
    とする推進用管体。 上記注入孔5は分岐孔6を通じて管主体1の
    外周面に開口している実用新案登録請求の範囲第
    1項記載の推進用管体。 分岐孔6に逆止弁4を設けた実用新案登録請
    求の範囲第1項又は第2項記載の推進用管体。
JP18564387U 1987-12-04 1987-12-04 Pending JPH0190896U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18564387U JPH0190896U (ja) 1987-12-04 1987-12-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18564387U JPH0190896U (ja) 1987-12-04 1987-12-04

Publications (1)

Publication Number Publication Date
JPH0190896U true JPH0190896U (ja) 1989-06-14

Family

ID=31476919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18564387U Pending JPH0190896U (ja) 1987-12-04 1987-12-04

Country Status (1)

Country Link
JP (1) JPH0190896U (ja)

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