US 6,605,783 B1 · Non-metallic transmission cables and method for terminating the same

Abstract

This invention relates to non-metallic, corrosion-resistant strength systems for underwater power and communications systems and methods for terminating such cables. The strength system comprises two non-metallic strength members; each strength member is comprised of at least one glass strand, and each strand is comprised of a plurality of glass filaments that are bound together with a polymeric material. The first strength member is applied in a helical lay over transmission media which forms the core of the cable, and the second strength member is applied over the lay of the first strength member in a helical lay having a circular direction opposite to the lay of the first strength member. The invention further embraces a method of terminating such cables involving the use of an inner termination cone, an adhesive used to secure the strength members onto the inner termination cone, and an outer termination cone which is secured over the inner termination cone and adjoining strength members.

Claims8

Dependent claims

A power and communications transmission medium for use in an underwater environment, comprising:

an optical fiber core structure having an outer diameter for providing communications transmission;
at least one layer of conductive material other than steel concentrically surrounding the outer diameter of the core structure adapted to provide power transmission, strengthen and protect the medium, and absorb underwater pressures;
first and second non-metallic strength members concentrically surrounding the at least one layer of conductive material, each of the first and second non-metallic strength members comprising a plurality of strands wherein each strand is comprised of a plurality of filaments bound together and impregnated with a polymeric material such that the first and second non-metallic strength members mechanically shield the at least one layer of conductive material from the underwater environment,
wherein the first strength member is wrapped in a helical lay around the at least one layer of conductive material in a first direction, and the second strength member is wrapped in a helical lay around the first strength member in a second direction opposite the first direction;
and
an outer jacket concentrically surrounding the strength members.

3 more elements

A deep water trunk power and communications cable adapted to be used in an underwater environment having at least one end, comprising:

an optical fiber core structure having an outer diameter for providing communications transmission;
at least one layer of conductive material other than steel concentrically surrounding the outer diameter of the core structure for providing adapted to provide power transmission, strengthen and protect the cable, and absorb underwater pressures;
first and second non-metallic strength members concentrically surrounding the at least one layer of conductive material, each of which strength member comprises a plurality of strands wherein each strand is comprised of a plurality of filaments bound together and impregnated with a polymeric material such that the first and second non-metallic strength members mechanically shield the at least one layer of conductive material from the underwater environment,
wherein the first strength member is wrapped in a helical lay around the at least one layer of conductive material in a first direction, and the second strength member is wrapped in a helical lay around the first strength member in a second direction opposite the first direction;
and
an outer jacket concentrically surrounding the strength members,
wherein the at least one end is terminated by a capstan effect device.

4 more elements

Dependencies are inferred from the claim text.

Non-metallic transmission cables and method for terminating the same

Life of this patent

Non-metallic transmission cables and method for terminating the same

Life of this patent

Abstract

Claims8