Multifiber subunit cable
First Claim
Patent Images
1. A subunit cable, comprising:
- a subunit cable jacket; and
at least two subunits located within the subunit cable jacket, each subunit comprising;
a buffer tube; and
a plurality of optical fibers disposed within the buffer tube;
wherein the subunits are compressed against each other and against the interior of the subunit cable jacket such that the cross-sections of the subunits are generally oval, thereby facilitating a smaller nominal outside diameter of the subunit cable, wherein the subunits are compressed in the subunit cable jacket so that at least one of the subunits has a cross-section with a minor outside dimension and a major dimension, and the ratio of the minor outside dimension to the major outside dimension is less than 0.9.
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Abstract
Micromodule subunit cables are constructed to allow for ease of identification between optical fibers in differing groups of optical fibers. In one cable, a first group of fibers is located within a first subunit while a second group of fibers is located within a second subunit, both subunits being enclosed in a cable jacket.
19 Citations
14 Claims
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1. A subunit cable, comprising:
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a subunit cable jacket; and at least two subunits located within the subunit cable jacket, each subunit comprising; a buffer tube; and a plurality of optical fibers disposed within the buffer tube; wherein the subunits are compressed against each other and against the interior of the subunit cable jacket such that the cross-sections of the subunits are generally oval, thereby facilitating a smaller nominal outside diameter of the subunit cable, wherein the subunits are compressed in the subunit cable jacket so that at least one of the subunits has a cross-section with a minor outside dimension and a major dimension, and the ratio of the minor outside dimension to the major outside dimension is less than 0.9. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A subunit cable, comprising:
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a subunit cable jacket; at least two subunits located within the subunit cable jacket, each subunit comprising a plurality of optical fibers; and a strain-relief component disposed within the subunit cable jacket, the strain-relief component comprising a plurality of longitudinally extending tensile yarns, wherein portions of the tensile yarns contact the subunits and the subunit cable jacket, wherein the subunits are compressed against each other and against the interior of the subunit cable jacket such that the cross-sections of the subunits are generally oval, thereby facilitating a smaller nominal outside diameter of the subunit cable, wherein the subunits are compressed in the subunit cable jacket so that at least one of the subunits has a cross-section with a minor outside dimension and a major dimension, and the ratio of the minor outside dimension to the major outside dimension is less than 0.9. - View Dependent Claims (11, 12, 13, 14)
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Specification