JPH0211896U - - Google Patents

Info

Publication number
JPH0211896U
JPH0211896U JP8665988U JP8665988U JPH0211896U JP H0211896 U JPH0211896 U JP H0211896U JP 8665988 U JP8665988 U JP 8665988U JP 8665988 U JP8665988 U JP 8665988U JP H0211896 U JPH0211896 U JP H0211896U
Authority
JP
Japan
Prior art keywords
water
material injection
annular packing
stopping property
segment
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
JP8665988U
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 JP8665988U priority Critical patent/JPH0211896U/ja
Publication of JPH0211896U publication Critical patent/JPH0211896U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すもので、セグ
メントにおける裏込材注入部の一部を破断した縦
断面図、第2図は従来の裏込材注入部における第
1図と同様部分の縦断面図である。 1……セグメント、2……グラウト注入孔、4
……Oリング、6……角形リング、8……閉塞栓

Claims (1)

    【実用新案登録請求の範囲】
  1. 裏込材注入孔と閉塞栓との間に地山側より径方
    向に止水性を有する環状パツキンと軸方向に止水
    性を有する環状パツキンとを順次配設して圧接す
    るようにしたことを特徴とするセグメントにおけ
    る裏込材注入部の止水装置。
JP8665988U 1988-07-01 1988-07-01 Pending JPH0211896U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8665988U JPH0211896U (ja) 1988-07-01 1988-07-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8665988U JPH0211896U (ja) 1988-07-01 1988-07-01

Publications (1)

Publication Number Publication Date
JPH0211896U true JPH0211896U (ja) 1990-01-25

Family

ID=31311296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8665988U Pending JPH0211896U (ja) 1988-07-01 1988-07-01

Country Status (1)

Country Link
JP (1) JPH0211896U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009270309A (ja) * 2008-05-02 2009-11-19 Kubota Corp 栓、栓装置、及び、セグメント

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6032238U (ja) * 1983-08-03 1985-03-05 河俣 幸男 封筒
JPS6130474B2 (ja) * 1981-07-02 1986-07-14 Matsushita Electric Ind Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130474B2 (ja) * 1981-07-02 1986-07-14 Matsushita Electric Ind Co Ltd
JPS6032238U (ja) * 1983-08-03 1985-03-05 河俣 幸男 封筒

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009270309A (ja) * 2008-05-02 2009-11-19 Kubota Corp 栓、栓装置、及び、セグメント

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