GASKET AND METHOD FOR SEALING PIPE COUPLING PART

PROBLEM TO BE SOLVED: To seal the coupling part of a pipe line where a resin-covered pipe is coupled by means of flange coupling etc. in a high degree of sealing workmanship so that a microscopic gap between the pipe ends is closed. SOLUTION: An annular gasket 70 is configured so that thermo-sensiti...

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Bibliographische Detailangaben
Hauptverfasser:	TANIGUCHI MASANORI, SAEKI SHINOBU, KOBAYASHI RYOJI, MORISHITA YOSHIYUKI, UCHIDA NAOHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PISTONS SEALINGS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To seal the coupling part of a pipe line where a resin-covered pipe is coupled by means of flange coupling etc. in a high degree of sealing workmanship so that a microscopic gap between the pipe ends is closed. SOLUTION: An annular gasket 70 is configured so that thermo-sensitive adhesive resin 42 is arranged at the internal circumferential edge, whose periphery is furnished with current-feed heat emitting substance 41 in the form of closed loop, wherein a conductor 71a in the form of open loop fitted with a current feed end 72 is arranged along the heat emitting substance 41, and the current feed end 72 is drawn to outside. By this method of sealing the pipe coupling part using the gasket 70, first two pipes furnished with resin covering are put in butt joining with each other with the gasket 70 interposed, and then current is fed to the current feed end 72. COPYRIGHT: (C)2009,JPO&INPIT