METHOD OF SEALING A PIPE

The invention relates to a method of sealing a pipe section, the method comprising the following steps: - providing an inflatable packer (3), - providing an expandable sleeve (4) with a backing layer (5) and an adhesive layer (6), - wrapping the expandable sleeve around the packer with the adhesive...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PEREZ, Mario, A, HENRY, AndrewR, JOBLING, Wayne, ROBINSON, Ian, KUGEL, Alexander, J, LIU, Richard, Yufeng, FABOZZI, Scott, M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method of sealing a pipe section, the method comprising the following steps: - providing an inflatable packer (3), - providing an expandable sleeve (4) with a backing layer (5) and an adhesive layer (6), - wrapping the expandable sleeve around the packer with the adhesive layer facing the outside, - inflating the inflatable packer until it reaches a first diameter (D 1 ), wherein the first diameter is smaller than the inner diameter (d) of the pipe section, thereby expanding the expandable sleeve, - inserting the inflated packer with the expanded sleeve into the pipe (1, 2) until it reaches the pipe section to be sealed, and - further inflating the packer until it reaches a second diameter (D 2 ), thereby further expanding the expandable sleeve, - wherein the second diameter is reached when the expanded sleeve touches the inner diameter (d) of the pipe section.