Method of manufacturing a longitudinally watertight cable and lo

Details Method of manufacturing a longitudinally watertight cable and lo Method of manufacturing a longitudinally watertight cable and lo

1982-08-02

1984-05-29

Kendell, Lorraine T.

Electricity: conductors and insulators

With fluids or vacuum

With fluid stops

156 48, 428383, 428389, 428390, 428391, B32B 2520, H01B 728

Patent

active

044516924

ABSTRACT:
A method of manufacturing a longitudinally watertight cable in which a sealing mixture of a vulcanizable silicone rubber, a diluent and a filler is provided in the cable core and between the cable core and the sheath, which mixture, after curing, forms a watertight stopper. According to the invention, a bivalent or trivalent metal salt of a higher fatty acid or a mixture of higher fatty acids is used as a filler. A sealing mixture is preferably used in the method which comprises 15-25% by weight of a multicomponent silicone rubber, 35-45% by weight of silicone oil and 35-45% by weight of calcium stearate. The sealing mixture can be provided, in a blockwise manner, by means of an injection technique.

REFERENCES:
patent: 3065194 (1962-11-01), Nitzsche et al.
patent: 3110689 (1963-11-01), Smith
patent: 3137665 (1964-06-01), Retford
patent: 4106961 (1978-08-01), Kreuger et al.
patent: 4164617 (1979-08-01), Van Kesteren

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