Central strength member with reduced radial stiffness
First Claim
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1. An optical fiber cable configuration, comprising:
- a plurality of buffer tubes respectively housing at least one optical fiber;
a strength tube having a hollow portion, said buffer tubes being positioned radially around said strength tube such that an outer portion of said strength tube makes contact with an outer portion of at least one of said buffer tubes when a load is applied to said optical fiber configuration, wherein said strength tube has a higher degree of deformation than said buffer tube when said optical fiber cable configuration is subjected to the load.
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Abstract
An optical fiber cable configuration having a central strength member. The central strength member includes a hollow tube. One or more strength rods are disposed along or within the tube. To avoid water penetration, the tube is filled with a gel or water-absorbing powder, which provides a water barrier.
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Citations
31 Claims
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1. An optical fiber cable configuration, comprising:
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a plurality of buffer tubes respectively housing at least one optical fiber;
a strength tube having a hollow portion, said buffer tubes being positioned radially around said strength tube such that an outer portion of said strength tube makes contact with an outer portion of at least one of said buffer tubes when a load is applied to said optical fiber configuration, wherein said strength tube has a higher degree of deformation than said buffer tube when said optical fiber cable configuration is subjected to the load. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An optical fiber cable configuration comprising:
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an outer jacket;
at least one buffer tube disposed within said outer jacket;
at least one optical fiber positioned longitudinally within said buffer tube; and
a strength tube disposed coaxially along a center portion of said outer jacket, said strength tube having a longitudinally extending hollow portion, wherein said buffer tube is positioned outside of said hollow portion. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An optical fiber cable configuration comprising:
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an outer jacket;
a plurality of buffer tubes disposed within said outer jacket;
at least one optical fiber positioned longitudinally within said buffer tube; and
means for strengthening disposed longitudinally along a center portion of said outer jacket such that said plurality of buffer tubes are positioned outside of said means for strengthening, wherein an outer portion of said means for strengthening makes contact with an outer portion of at least one of said buffer tubes when a load is applied to said optical fiber configuration, and wherein said means for strengthening has a higher degree of deformation than said buffer tube when said optical fiber cable configuration is subjected to the load. - View Dependent Claims (30, 31)
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Specification