Fiber optic drop cables suitable for fiber to the subscriber applications
View Patent ↗A fiber optic drop cable is disclosed that includes at least one optical waveguide disposed within a tube, a first and second strength assembly, and a cable jacket. Each strength assembly includes a strength component and a plurality of strength members, wherein the respective plurality of strength members are radially disposed about at least half of the circumference of the respective strength component. In one embodiment, the first and second strength assemblies are generally disposed on opposite sides of the tube.
1. A fiber optic drop cable comprising:
at least one optical waveguide;
a tube, the at least one optical waveguide being disposed within the tube;
a first strength assembly, the first strength assembly comprises a first strength component and a first plurality of strength members, wherein the first plurality of strength members are radially disposed about at least half of the circumference of the first strength component and at least a portion of the first strength component contacts the tube and some of the first plurality of strength members at least partially contact the first strength component;
a second strength assembly, the second strength assembly comprises a second strength component and a second plurality of strength members, the second plurality of strength members are radially disposed about at least half of the circumference of the second strength component and at least a portion of the second strength component contacts the tube, wherein the first and second strength assemblies are generally disposed on opposite sides of the tube and some of the second plurality of strength members at least partially contact the second strength component; and
a cable jacket, the cable jacket generally surrounding the at least one optical waveguide, the tube, the first strength assembly, and the second strength assembly.
2. The fiber optic drop cable of claim 1 , at least one of the first and second strength components being a glass reinforced plastic rod.
3. The fiber optic drop cable of claim 1 , further including at least one water-swellable component.
4. The fiber optic drop cable of claim 1 , further including at least one water-swellable yarn.
5. The fiber optic drop cable of claim 1 , the at least one optical waveguide being tight-buffered optical fiber.
6. The fiber optic drop cable of claim 1 , the at least one optical waveguide being at least intermittently coupled with the tube using a coupling element.
7. The fiber optic drop cable of claim 1 , the at least one optical waveguide being a tight buffered optical fiber and a plurality of water-swellable yarns disposed within the tube.
8. The fiber optic drop cable of claim 1 , the cable being a portion of a preconnectorized fiber optic cable assembly.
9. A fiber optic drop cable comprising;
at least one tight buffered optical fiber;
at least one water-swellable component;
a tube, the at least one tight-buffered optical fiber and the at least one water-swellable component being disposed within the tube;
a first strength assembly, the first strength assembly comprises a first strength component and a first plurality of strength members, wherein the first plurality of strength members are radially disposed about at least half of the circumference of the first strength component, end at least a portion of the first strength component contacts the tube, and some of the first plurality of strength members at least partially contact the first strength component;
a second strength assembly, the second strength assembly comprises a second strength component and a second plurality of strength members, the second plurality of strength members are radially disposed about at least half of the circumference of the second strength component, at least a portion of the second strength component contacts the tube, and some of the second plurality of strength members at least partially contact the second strength component, wherein the first and second strength assemblies are generally disposed on opposite sides of the tube; and
a cable jacket, the cable jacket generally surrounding the at least one tight buffered optical fiber, the first strength assembly, and the second strength assembly.
10. The fiber optic drop cable of claim 9 , the at least one water-swellable component being a water-swellable yarn.
11. The fiber optic drop cable of claim 9 , at least one of the first and second strength components being a glass reinforced plastic rod.
12. The fiber optic drop cable of claim 9 , the at least one optical fiber being at least intermittently coupled with the tube using a coupling element.
13. The fiber optic drop cable of claim 9 , the cable being a portion of a preconnectorized fiber optic cable assembly.
14. A tubeless fiber optic drop cable comprising:
at least one optical waveguide;
a first strength assembly, the first strength assembly comprises a first strength component and a first plurality of strength members, wherein the first plurality of strength members are radially disposed about at least half of the circumference of the first strength component and some of the first plurality of strength members at least partially contact the first strength component;
a second strength assembly, the second strength assembly comprises a second strength component and a second plurality of strength members, the second plurality of strength members are radially disposed about at least half of the circumference of the second strength component and some of the second plurality of strength members at least partially contact the second strength component; and
a cable jacket, the cable jacket defining a cavity therethrough that houses the at least one optical waveguide and the cable jacket surrounding the first strength assembly, and the second strength assembly, wherein the first and second strength assemblies are generally disposed on opposite sides of the cavity.
15. The fiber optic drop cable of claim 14 , wherein the cavity of the cable jacket includes at least one water-swellable component.
16. The fiber optic drop cable of claim 14 , the at least one optical waveguide being tight-buffered optical fiber and at least one water-swellable yarn being disposed within the cavity.
17. The fiber optic drop cable of claim 14 , the first and second strength component being a glass reinforced plastic rod.
18. The fiber optic drop cable of claim 14 , the cable jacket having a cross-section where a minimum cable thickness occurs adjacent to the cavity of the cable jacket.
19. The fiber optic drop cable of claim 14 , the cable jacket having a cross-section where a maximum cable thickness occurs adjacent to at least one of the strength assemblies.
20. The fiber optic drop cable of claim 14 , the at least one optical fiber being at least intermittently coupled with the cavity using a coupling element.
21. The fiber optic drop cable of claim 14 , the at least one optical fiber being a tight buffered optical fiber and a plurality of water-swellable yarns disposed within the cavity.
22. The fiber optic drop cable of claim 14 , the cable being a portion of a preconnectorized fiber optic cable assembly.