Electricity: conductors and insulators – Underground
Patent
1981-11-04
1983-11-15
Askin, Laramie E.
Electricity: conductors and insulators
Underground
138110, 138120, 174136, 405158, H02G 902, H02G 110, H01B 724
Patent
active
044157649
ABSTRACT:
A submarine electric cable installation in which the cable is protected from damaging stresses to which it would be subjected if it were permitted to be suspended between projections on the water bottom by enclosing the portion of the cable which would normally engage the projections with a tubular stiffening means, the stiffening means having a rigidity greater than the rigidity of the cable and providing a space between it and the cable for cooling water flow. The stiffening means may comprise one or more tube and, preferably, comprises a plurality of tubes having their ends secured to the adjacent ends of other tubes, each tube comprising a pair of C-shaped shells with annular corrugations and secured together. Also, a method of applying the tubes to the cable in which the tubes are applied to the cable, as it is laid, between the laying ship and the surface of the water.
REFERENCES:
patent: 1822624 (1931-09-01), Hoeftmann
patent: 3762982 (1973-10-01), Whittington
patent: 3813476 (1974-05-01), Priaroggia
patent: 3813477 (1974-05-01), Fischer
Bianchi Giuseppe
Priaroggia Paolo G.
Sala Angelo
Askin Laramie E.
Societa Cavi Pirelli S.p.A.
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