JPH0368935U - - Google Patents

Info

Publication number
JPH0368935U
JPH0368935U JP12452789U JP12452789U JPH0368935U JP H0368935 U JPH0368935 U JP H0368935U JP 12452789 U JP12452789 U JP 12452789U JP 12452789 U JP12452789 U JP 12452789U JP H0368935 U JPH0368935 U JP H0368935U
Authority
JP
Japan
Prior art keywords
pipe joint
lower electrodes
contact
resistance heater
sandwiching
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
JP12452789U
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 JP12452789U priority Critical patent/JPH0368935U/ja
Publication of JPH0368935U publication Critical patent/JPH0368935U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Pipe Accessories (AREA)
  • Control Of Resistance Heating (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す説明図、第2
図は形状記憶合金管継手を管を接続した状態で示
す説明図、第3図は従来の通電接触抵抗加熱器の
説明図である。 2……管継手、10……電極、11……接触部

Claims (1)

    【実用新案登録請求の範囲】
  1. 上下1組の電極により管継手を挟持して加熱す
    る通電接触抵抗加熱器において、上下電極を合わ
    せて3箇所以上で管継手の外周に接触する接触部
    を設けたことを特徴とする管継手加熱器。
JP12452789U 1989-10-26 1989-10-26 Pending JPH0368935U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12452789U JPH0368935U (ja) 1989-10-26 1989-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12452789U JPH0368935U (ja) 1989-10-26 1989-10-26

Publications (1)

Publication Number Publication Date
JPH0368935U true JPH0368935U (ja) 1991-07-08

Family

ID=31672438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12452789U Pending JPH0368935U (ja) 1989-10-26 1989-10-26

Country Status (1)

Country Link
JP (1) JPH0368935U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009074352A (ja) * 2007-08-31 2009-04-09 Kyowa Sangyo Kk マンホールの底座材、該マンホールの底座材の製造方法、前記マンホールの底座材を用いたマンホールの底部の施工方法およびマンホールの底部の改造施工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009074352A (ja) * 2007-08-31 2009-04-09 Kyowa Sangyo Kk マンホールの底座材、該マンホールの底座材の製造方法、前記マンホールの底座材を用いたマンホールの底部の施工方法およびマンホールの底部の改造施工方法

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