Method and apparatus for sealing pipe joints from the interior thereof

A pipe coupling and method for sealing pipe joints or leaks from the interior of the pipe line are disclosed. A continuous gasket member is positioned against the inside surface of the pipe line on each side of the leak location, a coupling member including at least one axial joint within the line i...

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Bibliographische Detailangaben
Hauptverfasser:	BRIDGES, DONALD Y
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A pipe coupling and method for sealing pipe joints or leaks from the interior of the pipe line are disclosed. A continuous gasket member is positioned against the inside surface of the pipe line on each side of the leak location, a coupling member including at least one axial joint within the line is positioned to span the continuous gasket members, an axial gasket is positioned at the axial joint, and the coupling member is expanded to compress the continuous gasket members and the axial gasket member to prevent leakage of fluid from within the pipe line. The invention provides a convenient apparatus and method for repairing leaks in pipe lines when the exterior of the pipes cannot be conveniently exposed and the interior of the pipe line is accessible.