Improvements in or in relation to pipe liners and the installation thereof

A pipe liner (1) comprises an elongate duct (10) formed from multiple relatively thin laminated layers (11) of thermoplastic material, which may be bonded together by adhesive. In use, the liner is inserted into a pipe to be lined, typically deployed in flat form from a reel or spindle and pulled/pu...

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Bibliographische Detailangaben
1. Verfasser:	Parker, Michael John
Format:	Patent
Sprache:	eng
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:	A pipe liner (1) comprises an elongate duct (10) formed from multiple relatively thin laminated layers (11) of thermoplastic material, which may be bonded together by adhesive. In use, the liner is inserted into a pipe to be lined, typically deployed in flat form from a reel or spindle and pulled/pushed to the end of the pipe. The liner is subsequently heated and pressed against the inner surface of the pipe to form a close fit. Once the liner cools, it sets in place providing a close fitting pipe lining. In order to ensure adequate and even heating of the pipe liner during installation, heating means (20) are provided within the liner. The heating means (20) may comprise: a plurality of conductive filaments (21); electromagnetic susceptor material; or a plurality of magnetic particles.