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US 2020/0211739 A1Published application
Fire Rated Radio Frequency Cable
AssigneeNokia Shanghai Bell Co., Ltd.
InventorsAsaad Elsaadani, Mihirraj Joshi, Joel Cacopardo, Erhard Mahlandt, Thomas McKeon, Yin-Shing Chong
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Abstract
A coaxial cable (10) is provided that includes an outer barrier (12, 14, 16) that seals the coaxial cable from air and protects the cable's conductors (18, 20) form oxidation in a fire. Such an outer protective barrier may, include a fire retardant tape. A dielectric (22) separates the conductors and may comprise a ceramic (23) embedded in a dielectric material (25), or ceramic beads in a braided ceramic mesh.
Claims19
A coaxial cable, comprising:
- an inner conductor;
- an outer conductor annularly arranged around the inner conductor;
- a dielectric separator arranged around at least a portion of the inner conductor so as to hold the outer conductor substantially separate from the inner conductor;
- and
- a tape layer including at least one layer of tape annularly arranged around the outer conductor, wherein the tape layer prevents the entry of air into the cable in the event of fire.
2 more elements
Dependencies are inferred from the claim text.