G02B6/4494

FIBER OPTIC CONNECTION ASSEMBLY

A fiber optic connection assembly for fiber to the home, comprising: a fan-out member; a multi-fiber optical cable having a first end introduced into the fan-out member and a second end extending out of the fan-out member; a multi-fiber optic connector connected to the second end of the multi-fiber optical cable; a plurality of single-fiber optical cables each having a first end introduced into the fan-out member and spliced with a respective one of fibers of the multi-fiber optical cable and a second end extending out of the fan-out member; and a plurality of single-fiber optic connectors connected to the second ends of the single-fiber optical cables, respectively; a plurality of first fiber optic adapters mated with the plurality of single-fiber optic connectors, respectively; and a plurality of outer shields each constructed to receive the connector and the adapter of a respective single-fiber optical cable therein, wherein the outer shield is hermetically fitted on the connector and the adapter of the respective single-fiber optical cable to form a sealed inner chamber so as to prevent moisture or water from entering into the inner chamber.

Loose tube cable with embedded strength member

The present disclosure provides an optical fiber cable (100). The optical fiber cable (100) includes a plurality of optical fibers ribbons (102) lying substantially along a longitudinal axis (116) of the optical fiber cable (100). Further, the optical fiber cable (100) includes a first layer (104) surrounding the plurality of optical fibers ribbons (102). Furthermore, the optical fiber cable (100) includes a second layer (106) surrounding the first layer (104). Furthermore, the optical fiber cable (100) includes a third layer (108) surrounding the second layer (106). Moreover, the optical fiber cable (100) includes a fourth layer (140) surrounding the third layer (108). The first layer (104) is a water blocking tape. The third layer (108) is sandwich of water blocking material and ECCS steel tape. Moreover, the optical fiber cable (100) includes two pairs of strength members (112a-b; 112c-d) embedded inside the second layer (106).

Optical fiber ribbon duct cable

The present disclosure provides an optical fiber cable. The optical fiber cable includes a plurality of optical fibers lying substantially along a longitudinal axis of the optical fiber cable. Further, the optical fiber cable includes a first layer surrounding the plurality of optical fibers. Furthermore, the optical fiber cable includes a second layer surrounding the first layer. Furthermore, the optical fiber cable includes a third layer surrounding the second layer. Moreover, the optical fiber cable includes a fourth layer surrounding the third layer. The first layer is a water blocking tape. The second layer is a buffer tube layer made of polyethylene material and foamed with master batch. The third layer is a water blocking tape. The fourth layer is a sheath made of polyethylene material. Moreover, the fourth layer has a plurality of strength members embedded inside the fourth layer.

FIBER PISTONING SOLUTION

Fiber pistoning apparatus and methods of use are provided. A fiber anti-pistoning apparatus includes an axial centerline, and an elongate main body that at least partially surrounds the axial centerline and extends from a first end to a second end of the elongate main body. The elongate main body defines a channel that extends along the axial centerline for housing a bundle of fibers. The channel extends between a first opening at the first end, a second opening at the second end, and a slotted opening between the first end and the second end for receiving the bundle of fibers. The elongate main body includes one or more retention features for coupling to a first buffer tube.

Ground wire with optical fibers

A ground wire with optical fibers is disclosed. The ground wire includes twisted optical modules in the form of plastic tubes that accommodate freely placed optical fibers and water-blocking gel, wherein water-blocking tape applied to twisted optical modules, which are enclosed in a steel tube, coated with an aluminum sheath. The aluminum sheath is helically wrapped with lays of wire. The technical result is provided by increased air tightness of the optical core and permissible crushing stresses.

Formfitting loose tube with elastic deformation for optic fiber cables

The present disclosure provides a formfitting loose tube for optic cables. The formfitting loose tube includes a loose tube wall. The loose tube wall includes first sides, second sides, a plurality of deformation induction tabs and a plurality of fiber optics stacked together having a shape form. The plurality of deformation induction tabs includes curving sections. The curving sections intersect the first sides and the second sides at intersections. The first sides and the second sides of the loose tub wall are configured to fit the shape form of the plurality of fiber optics stacked together. The plurality of deformation induction tabs induces elastic deformation of the loose tube wall under external stress.

Flat drop optical fiber cable

The present disclosure provides a flat drop optical fiber cable. The flat drop optical fiber cable includes one or more buffer tubes. The one or more buffer tubes extend substantially along a longitudinal axis of the flat drop optical fiber cable. The flat drop optical fiber cable includes a plurality of optical fiber ribbons. The flat drop optical fiber cable includes one or more water blocking tapes. The one or more water blocking tapes are positioned in the flat drop optical fiber cable in one or more arrangements. The flat drop optical fiber cable includes a cable sheath. The cable sheath encapsulates the one or more buffer tubes and the one or more water blocking tapes. The flat drop optical fiber cable includes a plurality of strength members.

Method for coating an optical fibre and an optical fibre comprising the same

A method for applying a water-absorbing polymer coating onto an optical fibre having a core, a cladding and at least a primary coating includes coating the optical fibre with an organic solvent-free radiation curable coating composition and initiating polymerization. The polymerization may be initiated with UV light. The coated optical fibre may be combined in a tubular or flat sheath, e.g., as a multi-fibre cable or ribbon. The coated optical fibre may be a coloured coated optical fibre.

OPTICAL FIBER CABLE HAVING BUFFER COUPLED TO ARMOR USING WATER-BLOCK ADHESIVE AND METHOD

Embodiments of the disclosure relate to an optical fiber cable. The optical fiber cable includes a cable jacket having a first inner surface and a first outer surface. The first inner surface defines a central bore along a longitudinal axis of the optical fiber cable. The optical fiber cable also includes optical fibers disposed within the central bore and a buffer tube surrounding the optical fibers. The buffer tube has a second inner surface and a second outer surface. The optical fiber cable also includes an armor layer disposed between the first inner surface of the cable jacket and the second outer surface of the buffer tube and a water-blocking adhesive disposed between the armor layer and the first outer surface of the buffer tube. The water-blocking adhesive extends along the longitudinal axis of the optical fiber cable and around a circumference of the buffer tube.

OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE

The present disclosure relates to an optical fiber ribbon in which a plurality of optical fibers are covered with a ribbon resin, wherein the ribbon resin is a cured product of a resin composition including a base resin containing oligomers, monomers and a photopolymerization initiator, and inorganic oxide particles.