A coaxial cable comprises inner and outer conductors disposed along an elongate axis, a dielectric insulating material disposed between the inner and outer conductors, a compliant jacket disposed over the inner and outer conductors, and a compliant reinforcing outer layer disposed over the compliant
A coaxial cable comprises inner and outer conductors disposed along an elongate axis, a dielectric insulating material disposed between the inner and outer conductors, a compliant jacket disposed over the inner and outer conductors, and a compliant reinforcing outer layer disposed over the compliant inner jacket, the outer layer being physically separate from the inner jacket and comprising off-axis fibers to react loads incurred during one of two operating modes, i.e., an aerial and an in-ground operating mode.
대표청구항▼
1. A cable comprising: a coaxial cable including an inner conductor, an outer conductor, a dielectric core disposed therebetween to electrically insulate the inner and outer conductors, and a compliant jacket disposed over the coaxial cable, the coaxial cable defining an elongate axis;a load bearing
1. A cable comprising: a coaxial cable including an inner conductor, an outer conductor, a dielectric core disposed therebetween to electrically insulate the inner and outer conductors, and a compliant jacket disposed over the coaxial cable, the coaxial cable defining an elongate axis;a load bearing structure enveloping the compliant jacket and including a weave of on-axis and off-axis fibers relative to the elongate axis; anda sealing layer disposed in combination with the load bearing structure and configured to prevent moisture from infiltrating the load bearing structure,the sealing layer and the load bearing structure, in combination, producing a compliant fiber-reinforced outer layer which is axially stiff in bending, separable from the compliant jacket of the coaxial cable and configured to prevent damage to, and transfer loads associated with, the coaxial cable during one of two operating modes;a first operating mode associated with aerial use of the coaxial cable; anda second operating mode associated with in-ground use of the coaxial cable;wherein the compliant fiber-reinforced outer layer produces a stepped transition over the compliant jacket configured to receive a transition device operable to transfer loads to a support structure in the first operating mode;wherein the compliant fiber-reinforced outer layer is configured to react tensile and compression loads to prevent damage to the underlying coaxial cable in the second operating mode, andwherein an end of the compliant fiber-reinforced outer layer terminates upstream of an end of the coaxial cable configured to be connected to an RF connector. 2. The cable of claim 1 wherein the load bearing structure is integrated with the sealing layer to produce the compliant fiber-reinforced outer layer. 3. The cable of claim 1 wherein the on-axis fibers are oriented at less than about twenty five degrees (+/−25°) relative to the elongate axis, and the off-axis fibers are oriented at greater than about thirty-five degrees (+/−35°) relative to the elongate axis. 4. The cable of claim 1 wherein the load bearing layer includes more on-axis than off-axis fibers. 5. The cable of claim 1 wherein the fibers of the load bearing layer are selected from the group of: carbon, boron, graphite, fiberglass, and polyparaphenylene terephthalamide fibers. 6. The cable of claim 1 wherein the transition device (i) transfer loads to the support structure in the first operating mode and (ii) prevents ingress of moisture in the second operating mode. 7. The cable of claim 6 wherein the coaxial cable receives at least a portion of the transition device between the compliant jacket and the compliant fiber-reinforced outer layer to transfer loads to the support structure. 8. The cable of claim 1, wherein the weave of fibers produce isotropic strength properties. 9. A cable comprising: a coaxial cable including an inner conductor, an outer conductor, a dielectric core disposed therebetween to electrically insulate the inner and outer conductors, and a compliant jacket disposed over the outer conductor, the coaxial cable having an end configured to connect to an RF connector and being axially flexible in bending;a load bearing structure enveloping the compliant jacket, including a plurality of continuous fibers and being axially stiff in bending; anda sealing layer disposed in combination with the load bearing structure producing a compliant fiber-reinforced outer layer separable from the compliant jacket of the coaxial cable, the sealing layer configured to prevent moisture from infiltrating the load bearing structure,wherein an end of the load bearing structure is configured to terminate at a location upstream of the end of the coaxial cable to facilitate flexure of the portion of the coaxial cable extending beyond the terminal end of the load bearing structure. 10. The cable of claim 9 wherein the load bearing structure comprises a weave of on-axis and off-axis fibers relative to an elongate axis. 11. The cable of claim 10 wherein the on-axis fibers are oriented at less than about twenty five degrees (+/−25°) relative to the elongate axis, and the off-axis fibers are oriented at greater than about thirty-five degrees (+/−35°) relative to the elongate axis. 12. The cable of claim 10 wherein the load bearing layer wherein the compliant fiber-reinforced outer layer includes more on-axis than off-axis fibers. 13. The cable of claim 10 wherein the fibers are selected from the group of: aluminum, stainless steel, carbon, boron, graphite, fiberglass, and polyparaphenylene terephthalamide fibers. 14. The cable of claim 10 wherein the weave of on-axis and off-axis fibers is integrated with the sealing layer to produce the compliant fiber-reinforced outer layer. 15. The cable of claim 10, wherein the weave of fibers produce isotropic strength properties. 16. The cable of claim 9 further comprising a stepped transition from the compliant fiber-reinforced outer layer to the compliant jacket. 17. The cable of claim 16 wherein the stepped transition produces a first sealing surface on the periphery of the compliant jacket and a second sealing surface on the periphery of the compliant fiber-reinforced outer layer, and wherein each of the first and second sealing surfaces are configured to receive a transition device to prevent moisture from infiltrating the load bearing structure. 18. The cable of claim 17 wherein at least a portion of the transition device is disposed between the compliant jacket and the compliant fiber-reinforced outer layer. 19. A cable comprising: a coaxial cable defining an elongate axis and including a compliant outer jacket having a characteristic elastic modulus in an axial direction along the elongate axis;a load bearing structure enveloping the compliant jacket and having a characteristic elastic modulus in an axial direction along the elongate axis; anda sealing layer disposed between the load bearing structure and the compliant jacket and producing a compliant fiber-reinforced outer layer separable from the compliant jacket of the coaxial cable, the sealing layer configured to prevent moisture from infiltrating the load bearing structure,wherein the elastic modulus of the compliant jacket is higher than the elastic modulus of the load bearing structure in the direction of the elongate axis; andwherein an end of the load bearing structure is configured to terminate at a location upstream of the end of the coaxial cable to facilitate flexure of the portion of the coaxial cable extending beyond the terminal end of the load bearing structure. 20. The cable of claim 19 wherein the load bearing structure comprises a weave of on-axis and off-axis fibers relative to an elongate axis. 21. The cable of claim 19 wherein the on-axis fibers are oriented at less than about twenty five degrees (+/−25°) relative to the elongate axis, and the off-axis fibers are oriented at greater than about thirty-five degrees (+/−35°) relative to the elongate axis.
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이 특허에 인용된 특허 (6)
Locati Ronald Peter (Elmira NY) Kempf Andrew James (Horseheads NY) Hauver ; Sr. Bruce C. (Elmira NY) Dunham David Edward (Pine City NY) Stabile David James (Horseheads NY) Macek Thomas George (Endico, Coaxial cable connector.
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