JPH0184392U - - Google Patents

Info

Publication number
JPH0184392U
JPH0184392U JP1987180478U JP18047887U JPH0184392U JP H0184392 U JPH0184392 U JP H0184392U JP 1987180478 U JP1987180478 U JP 1987180478U JP 18047887 U JP18047887 U JP 18047887U JP H0184392 U JPH0184392 U JP H0184392U
Authority
JP
Japan
Prior art keywords
pin
pin hole
face
propulsion tube
end faces
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.)
Granted
Application number
JP1987180478U
Other languages
English (en)
Other versions
JPH0510073Y2 (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 JP1987180478U priority Critical patent/JPH0510073Y2/ja
Publication of JPH0184392U publication Critical patent/JPH0184392U/ja
Application granted granted Critical
Publication of JPH0510073Y2 publication Critical patent/JPH0510073Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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図及び第３
図は夫々第１図Ａ―Ａ線、Ｂ―Ｂ線における縦断
正面図、第４図はピンによる接続部の拡大断面図
である。 １……管主体、２……中心孔、３……小口径孔
、５……周段部、６……カラー部材、９……ピン
孔、１３……ピン。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内部に両端面間に亘つて複数個の小口径孔を長
    さ方向に平行に貫設してなる推進用管体において
    、その両端面の外周部対称位置の一方の端面にピ
    ン孔を穿設すると共に他方の端面にピン孔に嵌入
    可能なピン又はピンによつて接続可能なピン孔を
    設けてなることを特徴とする推進用管体。
JP1987180478U 1987-11-26 1987-11-26 Expired - Lifetime JPH0510073Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987180478U JPH0510073Y2 (ja) 1987-11-26 1987-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987180478U JPH0510073Y2 (ja) 1987-11-26 1987-11-26

Publications (2)

Publication Number Publication Date
JPH0184392U true JPH0184392U (ja) 1989-06-05
JPH0510073Y2 JPH0510073Y2 (ja) 1993-03-11

Family

ID=31471996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987180478U Expired - Lifetime JPH0510073Y2 (ja) 1987-11-26 1987-11-26

Country Status (1)

Country Link
JP (1) JPH0510073Y2 (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62280491A (ja) * 1986-05-30 1987-12-05 東京電力株式会社 プレハブ多孔管推進工法

Also Published As

Publication number Publication date
JPH0510073Y2 (ja) 1993-03-11

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