Electricity: conductors and insulators – Conduits – cables or conductors – Combined
Patent
1990-09-27
1992-12-15
Picard, Leo P.
Electricity: conductors and insulators
Conduits, cables or conductors
Combined
174 84R, 174 93, 174DIG8, H02G 1508, H02G 1518
Patent
active
051719401
ABSTRACT:
A storable covering element for electric cable joints which includes a tubular support on which a multi-layer sleeve is mounted in radially stretched condition, a cable joint with such a sleeve and a sleeve for such use. The sleeve has an inner layer of cross-linked polymeric material which has a temporary residual deformation after storage for at least 24 months at room temperature which is less than such deformation of the layers outwardly thereof and preferably has a modulus of elasticity greater than the modulus of elasticity of the layers outwardly thereof. The outer layers are also made of cross-linked polymeric material, and each layer is bonded to the adjacent layer so that the inner layer will pull the outer layers radially inwardly when the sleeve is applied to a cable joint.
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Picard Leo P.
Societa Cavi Pirelli S.p.A.
Sough Hyung S.
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