| 摘要 |
Lining sleeve for a pipe comprising a first sleeve made from a permeable composite material containing a thermosetting resin, and a second sleeve made in the form of a leaktight sheet from a material bearing fibres on its outer face, the said second sleeve adhering with its fibre-bearing surface to the said first sleeve, in order to form an integral part of the composite material after curing of the resin, whereby a leaktight and non-permeable envelope, containing a thermosetting resin, can be provided to surround the said first sleeve, noteworthy in that at least one of the constituent parts of the said sleeve - namely the said first sleeve, the said second sleeve and the said envelope - comprises by incorporation at least one heating element 4, at least one end of which is connected to temperature control means during the period of time for curing the said resin. <IMAGE> |
