JPS62163386U - - Google Patents

Info

Publication number
JPS62163386U
JPS62163386U JP4887086U JP4887086U JPS62163386U JP S62163386 U JPS62163386 U JP S62163386U JP 4887086 U JP4887086 U JP 4887086U JP 4887086 U JP4887086 U JP 4887086U JP S62163386 U JPS62163386 U JP S62163386U
Authority
JP
Japan
Prior art keywords
existing
pipes
pipe
existing pipe
end part
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
JP4887086U
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 JP4887086U priority Critical patent/JPS62163386U/ja
Publication of JPS62163386U publication Critical patent/JPS62163386U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例における破砕ヘツド
の正面図、第2図はその側面図、第3図は刃部の
断面図、第4図は本考案の一実施例の全体図、第
5図は第4図における要部の詳細図である。 1……既設管、3……新管、6……破砕ヘツド
、9……テーパ部、12……先端部、13……基
端部、14……刃部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 地中に埋設された既設管を新管に布設替えする
    ための装置であつて、既設管路に沿つて推進され
    る新管の先端に破砕ヘツドを取付け、この破砕ヘ
    ツドに、既設管の内径よりも小径の先端部と、既
    設管の内径よりも大径の基端部とを有するテーパ
    部を形成し、このテーパ部の外面におけるこのテ
    ーパ部の長さ方向に、このテーパ部の径方向外側
    に向けて先細り状となる断面形状を有する刃部を
    形成したことを特徴とする既設管の非開削布設替
    え装置。
JP4887086U 1986-03-31 1986-03-31 Pending JPS62163386U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4887086U JPS62163386U (ja) 1986-03-31 1986-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4887086U JPS62163386U (ja) 1986-03-31 1986-03-31

Publications (1)

Publication Number Publication Date
JPS62163386U true JPS62163386U (ja) 1987-10-17

Family

ID=30870806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4887086U Pending JPS62163386U (ja) 1986-03-31 1986-03-31

Country Status (1)

Country Link
JP (1) JPS62163386U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62146395A (ja) * 1985-12-17 1987-06-30 川崎重工業株式会社 水道管等の交換装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62146395A (ja) * 1985-12-17 1987-06-30 川崎重工業株式会社 水道管等の交換装置

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