Loose tube optical ribbon cable
First Claim
1. A loose tube, optical-ribbon cable comprising:
- a central tensile-strength component situated in the center of the optical-ribbon cable;
a plurality of loose tubes having a bundle of optical-ribbon fibers surrounding the central tensile-strength component and disposed in parallel arrangement, one to each other, the bundle of optical-ribbon fibers being formed by laminating the optical-ribbon fibers, each optical-ribbon fiber including multiple cores of optical fibers stranded in a single row and a sheath surrounding the multiple cores of optical fibers;
a plurality of circle-shaped, water-absorbing members disposed in hollows between the plurality of tubes, the members comprising a plurality of twisted yarns, some of which are water-absorbing, and a remainder of which have a certain degree of strength, each water-absorbing member comprising a predetermined number of each type of yarn that are both twisted together to maintain a shape of the circle-shaped, water-absorbing members;
a water-absorbing tape for surrounding the plurality of loose tubes and the plurality of circle-shaped, water-absorbing members; and
, an external sheath forming an outermost layer of the optical-ribbon cable, for protecting an interior of the loose tube, optical-ribbon cable against an external environment.
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Accused Products
Abstract
The present invention relates to a loose-tube, optical-ribbon cable, which comprises a central tensile-strength component situated in the center of the optical-ribbon cable; a plurality of loose tubes mounted with a bundle of optical-ribbon fibers, wherein the bundle of optical-ribbon fibers are formed by laminating multiple optical-ribbon fibers, each optical-ribbon fiber including multiple cores of optical fibers stranded in a single row and a sheath surrounding the multiple cores of optical fibers, wherein the plurality of loose tubes are stranded around the central tensile-strength component; a plurality of circle-shaped, water-absorbing members arranged in a hollow which is formed outside the pair of loose tubes neighboring each other; a water-absorbing tape for surrounding the plurality of loose tubes and plurality of circle-shaped, water-absorbing members; and, an external sheath situated in the outermost surface of the optical ribbon-cable for protecting the interior of the loose tube optical-ribbon cable against the external environment.
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Citations
7 Claims
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1. A loose tube, optical-ribbon cable comprising:
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a central tensile-strength component situated in the center of the optical-ribbon cable;
a plurality of loose tubes having a bundle of optical-ribbon fibers surrounding the central tensile-strength component and disposed in parallel arrangement, one to each other, the bundle of optical-ribbon fibers being formed by laminating the optical-ribbon fibers, each optical-ribbon fiber including multiple cores of optical fibers stranded in a single row and a sheath surrounding the multiple cores of optical fibers;
a plurality of circle-shaped, water-absorbing members disposed in hollows between the plurality of tubes, the members comprising a plurality of twisted yarns, some of which are water-absorbing, and a remainder of which have a certain degree of strength, each water-absorbing member comprising a predetermined number of each type of yarn that are both twisted together to maintain a shape of the circle-shaped, water-absorbing members;
a water-absorbing tape for surrounding the plurality of loose tubes and the plurality of circle-shaped, water-absorbing members; and
,an external sheath forming an outermost layer of the optical-ribbon cable, for protecting an interior of the loose tube, optical-ribbon cable against an external environment. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification