Plenum communication cables comprising polyolefin insulation
AssigneeSuperior Essex Communications LP
InventorScott Dillon
Life of this patent
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Abstract
A plenum cable for transmitting various communication signals is described. The cable contains a plurality of twisted pairs of insulated conductors with an insulation that contains substantially no FEP or fluoropolymers. Rather, the insulation contains one or more layers containing an polyolefin material and the outermost layer comprises a flame-retardant polyolefin material. The cable can use a standard plenum-grade PVC jacket. Using this design for the cable lowers the cost by eliminating FEP while using a standard, plenum-grade PVC jacket that requires no modifications.
Claims25
A plenum cable, comprising:
- a jacket defining a core, the jacket comprising PVC;
- and
- a plurality of insulated conductors within the core, wherein the insulation for a conductor comprises substantially no fluoropolymers.
The cable of 2, wherein the polyolefin material is a foamed material.
A plenum cable, comprising:
- a jacket defining a core, the jacket comprising PVC;
- and
- a plurality of insulated conductors within the core, wherein the insulation for every conductor comprises substantially no FEP.
The cable of 9, wherein the polyolefin material is a foamed material.
A plenum cable, comprising:
- a jacket defining a core, the jacket comprising PVC;
- and
- a first insulated conductor and a second insulated conductor twisted together within the core, wherein the insulation comprises an polyolefin material.
A communications system containing a plenum cable, the cable comprising:
- a jacket defining a core, the jacket comprising PVC;
- and
- a plurality of insulated conductors within the core, wherein the insulation for a conductor comprises substantially no fluoropolymers.
A method of making a plenum cable, comprising:
- providing a conductor;
- providing insulation over the conductor, the insulation comprising substantially no fluoropolymers;
- and
- providing a jacket over the insulated conductor, the jacket comprising PVC.
A method for communicating, comprising:
- providing a cable comprising a jacket defining a core, the jacket comprising PVC;
- and a plurality of insulated conductors within the core, wherein the insulation for a conductor comprises substantially no fluoropolymers;
- and
- transmitting a signal over the cable.
Dependencies are inferred from the claim text.