Patent ID: 6472600
Filing Date: 2002-10-29
Classification: H02G

Abstract:
A power cable joint device, comprising:at least one tubular rigid support element; a cold-shrinkable, pre-expanded sleeve; and a releasable means for immobilizing the at least one support element with respect to the pre-expanded sleeve, wherein most of an exterior surface of the at least one support element is lubricated by a grease that does not flow under action of a pressure exerted by the pre-expanded sleeve, wherein the pre-expanded sleeve grips the at least one support element over most of a length of the at least one support element, wherein the pre-expanded sleeve grips the at least one support element at internal ends of the at least one support element, and wherein the grease is based on a silicone or on a polyalkylene glycol and comprises: a filler in proportions ranging from 15%-by-weight to 45%-by-weight, or a pressure-withstanding additive in proportions ranging from 2%-by-weight to 10%-by-weight, or a filler in proportions ranging from 15%-by-weight to 45%-by-weight and a pressure-withstanding additive in proportions ranging from 2%-by-weight to 10%-by-weight.