Cable comprising an element indicating water infiltration and method using said element
AssigneePrysmian S.p.A.
InventorsGabriele Perego, Rodolfo Sica
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Abstract
A cable includes an indicating element for detecting the infiltration of water into the cable and a method using such indicating element.
Claims16
A cable comprising at least one cable core comprising an indicating element that irreversibly discolours after being in contact with water for at least 10 minutes.
A process for producing a cable comprising at least one cable core containing an indicating element that irreversibly discolours after being in contact with water for at least 10 minutes, said indicating element comprising a marker and a supporting material, wherein the marker is associated with the supporting material by
- dissolving the marker in an organic solvent to provide a solution;
- impregnating the supporting material with said solution;
- and
- evaporating the organic solvent to dry the supporting material and provide the indicating element.
A method for detecting absence of contamination by water in a cable, comprising:
- providing a cable comprising at least one cable core containing an indicating element that irreversibly discolours after being in contact with water for at least 10 minutes;
- causing the cable to get in contact with water for less than 10 minutes;
- and
- verifying the indicating element remained unchanged.
Dependencies are inferred from the claim text.