Cable seals with reinforcements
Aspects of the present disclosure relate to structures and designs that allow gels to be used to conform freely to optical cables while simultaneously minimizing the displacement of the gel due to deformation forces acting on the gel.
1. A telecommunications enclosure comprising:
a housing;
a first cable seal including a volume of gel, the volume of gel including first and second opposite sides that are connected by third and fourth opposite sides; and
a plurality of tensile reinforcing elements including a first set of fingers and a second set of fingers intermeshed with the first set of fingers, the first and second set of fingers being embedded in the volume of gel and bonded to the volume of gel, each one of the first and second sets of fingers of the plurality of tensile reinforcing elements being connected to a base positioned at the first side, the first set of fingers being angled from the base in a direction extending toward the second and third sides, and the second set of fingers being angled from the base in a direction extending toward the second and fourth sides;
the plurality of tensile reinforcing elements being arranged in force transmitting relation relative to the housing of the telecommunications enclosure such that when a deformation force is applied to the volume of gel, the plurality of tensile reinforcing elements transfer tensile load to the housing of the telecommunications enclosure to resist deformation of the volume of gel.
2. The telecommunications enclosure of claim 1 , further comprising a second cable seal configured to cooperate with the first cable seal to provide full sealing about a fiber optic cable.
3. The telecommunications enclosure of claim 2 , wherein when the first and second cable seals are positioned one on top of the other, a sealed cable pass-through interface is defined therebetween.
4. The telecommunications enclosure of claim 3 , wherein the plurality of tensile reinforcing elements each include a base end that is anchored, and a free end that is positioned near the sealed cable pass-through interface.
5. The telecommunications enclosure of claim 4 , wherein each one of the base ends of the plurality of tensile reinforcing elements is anchored by an intermediate structure, wherein the intermediate structure is configured to transfer axial load to the housing.
6. The telecommunications enclosure of claim 5 , wherein the intermediate structure is a plate.
7. The telecommunications enclosure of claim 3 , wherein the plurality of tensile reinforcing elements are diagonally oriented relative to the sealed cable pass-through interface.
8. The telecommunications enclosure of claim 5 , wherein the base ends of the plurality of tensile reinforcing elements are anchored to the intermediate structure by adhesive.
9. The telecommunications enclosure of claim 1 , wherein the first cable seal has anisotropic deformation characteristics.
10. The telecommunications enclosure of claim 1 , wherein the plurality of tensile reinforcing elements include a material selected from the following aramid, fiber, metal, or plastic.
11. The telecommunications enclosure of claim 1 , wherein the plurality of tensile reinforcing elements are treated for adhesion prior to being embedded in the volume of gel.
12. The telecommunications enclosure of claim 1 , wherein the first cable seal is capable of withstanding a compressive force of at least 300 N.
13. The telecommunications enclosure of claim 1 , wherein the plurality of tensile reinforcing elements are adapted to move in a pivoting motion to resist deformation.
14. The telecommunications enclosure of claim 1 , wherein first ends of the tensile reinforcing elements are movable relative to the housing and second ends of the tensile reinforcing elements are fixed relative to the housing.
15. A cable seal for use within a telecommunications enclosure, comprising:
a volume of gel;
a plurality of tensile reinforcing elements embedded in the volume of gel and bonded to the volume of gel, the plurality of tensile reinforcing elements including a first set of fingers and a second set of fingers intermeshed with the first set of fingers, the first and second sets of fingers being angled at oblique angles relative to one another, the first and second sets of fingers each including a base end that is anchored and a free end; and
a base plate;
wherein the base end of each one of the first and second sets of fingers of the plurality of tensile reinforcing elements is anchored to the base plate and arranged in force transmitting relation relative to the telecommunications enclosure such that when a deformation force is applied to the volume of gel, the first and second sets of fingers of the plurality of tensile reinforcing elements transfer tensile load to the telecommunications enclosure to resist deformation of the volume of gel.
16. The cable seal of claim 15 , wherein the base plate is embedded in the volume of gel.
17. The cable seal of claim 15 , wherein the base plate is bonded to an end face of the cable seal.
18. The cable seal of claim 15 , wherein the plurality of tensile reinforcing elements are diagonally oriented relative to the base plate.
19. The cable seal of claim 15 , further comprising anisotropic deformation characteristics.
20. The cable seal of claim 15 , wherein the plurality of tensile reinforcing elements includes a material selected from the following aramid, fiber, metal, or plastic.
21. The cable seal of claim 15 , wherein the cable seal is capable of withstanding a compressive force of at least 300 N.
22. The telecommunications enclosure of claim 1 , wherein the plurality of tensile reinforcing elements are adapted to freely bend with the volume of gel to provide free shape adaptation to any cable being sealed.
23. A telecommunications enclosure comprising:
a housing; and
a first cable seal including a volume of gel and a plurality of tensile reinforcing elements embedded in the volume of gel and bonded to the volume of gel;
the plurality of tensile reinforcing elements being arranged in force transmitting relation relative to the housing of the telecommunications enclosure such that when a deformation force is applied to the volume of gel, the plurality of tensile reinforcing elements transfer tensile load to the housing of the telecommunications enclosure to resist deformation of the volume of gel; and
a second cable seal configured to cooperate with the first cable seal to provide full sealing about a fiber optic cable;
wherein when the first and second cable seals are positioned one on top of the other, a sealed cable pass-through interface is defined therebetween;
wherein the plurality of tensile reinforcing elements each include a base end that is anchored, and a free end that is positioned near the sealed cable pass-through interface;
wherein each one of the base ends of the plurality of tensile reinforcing elements is anchored by an intermediate structure, wherein the intermediate structure is configured to transfer axial load to the housing; and
wherein the base ends of the plurality of tensile reinforcing elements are anchored to the intermediate structure by adhesive.