JPH03115217U - - Google Patents

Info

Publication number
JPH03115217U
JPH03115217U JP2432790U JP2432790U JPH03115217U JP H03115217 U JPH03115217 U JP H03115217U JP 2432790 U JP2432790 U JP 2432790U JP 2432790 U JP2432790 U JP 2432790U JP H03115217 U JPH03115217 U JP H03115217U
Authority
JP
Japan
Prior art keywords
double pipe
sleeve
insulated double
threaded joint
joint
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
JP2432790U
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 JP2432790U priority Critical patent/JPH03115217U/ja
Publication of JPH03115217U publication Critical patent/JPH03115217U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Description

【図面の簡単な説明】
第1図はこの考案に係る膨張黒鉛製スリーブの
製造方法を示す工程図、第2図は同上スリーブを
断熱二重管の管継手部に使用した状態を一部省略
して示す縦断側面図である。 1……内管、2……外管、10……膨張黒鉛シ
ート、11……円筒形スリーブ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 断熱二重管の接合端部に形成した雄ねじと相螺
    合する雌ねじを形成したねじ継手の内側に装入す
    るスリーブであつて、膨張黒鉛シートを同心円状
    もくは渦巻き状に巻いた状態で密度1.4g/cm
    3以上にプレス成形した筒体で形成したことを特
    徴とする断熱二重管のねじ継手用スリーブ。
JP2432790U 1990-03-09 1990-03-09 Pending JPH03115217U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2432790U JPH03115217U (ja) 1990-03-09 1990-03-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2432790U JPH03115217U (ja) 1990-03-09 1990-03-09

Publications (1)

Publication Number Publication Date
JPH03115217U true JPH03115217U (ja) 1991-11-28

Family

ID=31527296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2432790U Pending JPH03115217U (ja) 1990-03-09 1990-03-09

Country Status (1)

Country Link
JP (1) JPH03115217U (ja)

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