Optical fiber cable with reinforcement
First Claim
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1. An optical communication cable, comprising:
- a cable body including an inner surface defining a passage in the cable body;
an elongate central strength member located in the passage;
a plurality of elongate optical transmission elements wrapped around the elongate central strength member such that a portion of the length of the plurality of wrapped elongate optical transmission elements forms a spiral portion around the elongate central strength member;
armor comprising metal, the armor wrapped around the plurality of optical transmission elements such that the armor surrounds the plurality of optical transmission elements,wherein the armor applies a radial inwardly-directed force to outer surfaces of the plurality of elongate optical transmission elements such that the armor acts to maintain the arrangement of the spiral portion of the wrapped elongate optical transmission elements, whereby in addition to providing structural support, the armor serves as a constraining element or constraining sleeve to bind the plurality of elongate optical transmission elements.
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Abstract
An optical communication cable includes a cable body, a plurality of core elements located within the cable body, a reinforcement layer surrounding the plurality of core elements within the cable body, and a film surrounding the plurality of core elements. At least one of the plurality of core elements includes an elongate optical transmission element. The film provides an inwardly directed force onto the core elements, and a surface of the film is bonded to the reinforcement layer.
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Citations
11 Claims
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1. An optical communication cable, comprising:
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a cable body including an inner surface defining a passage in the cable body; an elongate central strength member located in the passage; a plurality of elongate optical transmission elements wrapped around the elongate central strength member such that a portion of the length of the plurality of wrapped elongate optical transmission elements forms a spiral portion around the elongate central strength member; armor comprising metal, the armor wrapped around the plurality of optical transmission elements such that the armor surrounds the plurality of optical transmission elements, wherein the armor applies a radial inwardly-directed force to outer surfaces of the plurality of elongate optical transmission elements such that the armor acts to maintain the arrangement of the spiral portion of the wrapped elongate optical transmission elements, whereby in addition to providing structural support, the armor serves as a constraining element or constraining sleeve to bind the plurality of elongate optical transmission elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification