Heat recoverable article

Details Heat recoverable article Heat recoverable article

B - Operations, Transporting

29

C

18/978

B29C 65/68 (2006.01) B29C 61/06 (2006.01) B29C 61/10 (2006.01) F16L 59/20 (2006.01)

Patent

CA 1286869

Abstract Heat-Recoverable Article A heat-recoverable article for bonding to an object, particularly for sealing a joint between pre-insulated pipes, consists of a layer of heat-recoverable polymeric material, a layer of a bonding material which preferably is heat- activatable, and a laminar metal heating element which has a plurality of apertures through its thickness to permit the element to be deformed in the plane thereof by a change in the shape of the apertures, and which is inbuilt either in one of or between the said layers. The recoverable material is arranged so that when it is heated by the element, it can recover and deform the element as aforesaid, in use to force the layer of bonding material against the object.

536419

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