METHOD FOR FORMING THE LINING BODY OF TUBINGS OR CONNECTING CHANNELS BY CASING

This invention provides that a lining tube (14) for lining pipelines and passageways (16) comprises an outer impermeable coating (12) and an inner layer or layers (10) of resin impregnable felt. The felt is impregnated with the resin (10) prior to the application of the lining tube (14) to the pipel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SMITH,PETER E.,GB, SMITH,SAMUEL P.,GB
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 PERFORMING OPERATIONS PIPES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	This invention provides that a lining tube (14) for lining pipelines and passageways (16) comprises an outer impermeable coating (12) and an inner layer or layers (10) of resin impregnable felt. The felt is impregnated with the resin (10) prior to the application of the lining tube (14) to the pipeline or passageway (16). The tube (14) is applied by inversion of same and the invention resides in that the inner surface of the felt which forms the outer surface of the tube (14) after eversion, is covered by means of an impermeable film to prevent ingress of air into the felt. The impermeable tube (14) preferably is inside the felt in the form of a rope and held in rope form by devices which yield as the impermeable tube (14) opens up during eversion. The invention also provides a method of making the lining tube (14) and a lining tube (14) per se.