Abstract: An optical fiber cable suitable installation using an air-blown method is disclosed. The optical fiber cable has a center tensile member located at a center of the optical fiber cable to provide tension-resistant force, at least three loose tubes each of which includes at least one optical signal transmitting medium, and located to surround a peripheral portion of the center tensile member, a binder surrounding the loose tubes to maintain an alignment pattern of the loose tubes, and a sheath located at an outermost portion of the optical fiber cable. The optical fiber cable has a polygonal sectional shape having smooth edges.

Abstract: Disclosed is an interior optical cable including a plurality of tight buffer optical fibers; a subsidiary tension member surrounding the outer circumferences of the optical fibers; and an outer coating layer surrounding the subsidiary tension member, wherein the tight buffer optical fibers has a predetermined lay ratio to the outer coating layer.

Abstract: Disclosed is an air-blown fiber-optic cable including: a central tensile member which is located axially through the center of the optic cable and provides a tension-resistant force; a plurality of loose tubes wound around the tensile member, each tube housing a plurality of optic fibers therein; aramid yarns for binding the loose tubes; and an outer sheath disposed on the outermost part of the optic cable to protect the interior thereof from the exterior environment.

Abstract: Disclosed is a fiber optic cable, comprising a central strength member, disposed at the center of the cable, for providing tensile strength; a plurality of inner tight buffered cores disposed in a linear form around the central strength member; a plurality of outer tight buffered cores, twisted in a spiral or S-Z form, for enclosing the inner tight buffered cores; and a jacket, disposed on an outermost circumference of the cable, for protecting an interior of the cable from external environments.

Abstract: An optical fiber cable and a method of fabricating the same are disclosed. The optical fiber cable includes at least one optical fiber including a core, which is an optical signal transmission medium, a clad surrounding an outer peripheral surface of the core, and a coating layer surrounding an outer peripheral surface of the clad. The optical fiber cable also includes an external sheath including a first layer having a predetermined thickness and a second layer made of polymer material and formed at an outer peripheral surface of the first layer through an extruding process and a waterproof member accommodated between the external sheath and the optical fibers. A plurality of recesses having a predetermined depth and a predetermined diameter are formed on the second layer.

Abstract: An optical fiber cable suitable installation using an air-blown method is disclosed. The optical fiber cable has a center tensile member located at a center of the optical fiber cable to provide tension-resistant force, at least three loose tubes each of which includes at least one optical signal transmitting medium, and located to surround a peripheral portion of the center tensile member, a binder surrounding the loose tubes to maintain an alignment pattern of the loose tubes, and a sheath located at an outermost portion of the optical fiber cable. The optical fiber cable has a polygonal sectional shape having smooth edges.

Abstract: Disclosed is an interior optical cable including a plurality of tight buffer optical fibers; a subsidiary tension member surrounding the outer circumferences of the optical fibers; and an outer coating layer surrounding the subsidiary tension member, wherein the tight buffer optical fibers has a predetermined lay ratio to the outer coating layer.

Abstract: The present invention relates to a loose-tube, optical-ribbon cable, which comprises a central tensile-strength component situated in the center of the optical-ribbon cable; a plurality of loose tubes mounted with a bundle of optical-ribbon fibers, wherein the bundle of optical-ribbon fibers are formed by laminating multiple optical-ribbon fibers, each optical-ribbon fiber including multiple cores of optical fibers stranded in a single row and a sheath surrounding the multiple cores of optical fibers, wherein the plurality of loose tubes are stranded around the central tensile-strength component; a plurality of circle-shaped, water-absorbing members arranged in a hollow which is formed outside the pair of loose tubes neighboring each other; a water-absorbing tape for surrounding the plurality of loose tubes and plurality of circle-shaped, water-absorbing members; and, an external sheath situated in the outermost surface of the optical ribbon-cable for protecting the interior of the loose tube optical-ribbon c

Abstract: Disclosed is an air-blown fiber-optic cable including: a central tensile member which is located axially through the center of the optic cable and provides a tension-resistant force; a plurality of loose tubes wound around the tensile member, each tube housing a plurality of optic fibers therein; aramid yarns for binding the loose tubes; and an outer sheath disposed on the outermost part of the optic cable to protect the interior thereof from the exterior environment.

Abstract: Disclosed is a fiber optic cable, comprising a central strength member, disposed at the center of the cable, for providing tensile strength; a plurality of inner tight buffered cores disposed in a linear form around the central strength member; a plurality of outer tight buffered cores, twisted in a spiral or S-Z form, for enclosing the inner tight buffered cores; and a jacket, disposed on an outermost circumference of the cable, for protecting an interior of the cable from external environments.

Abstract: The present invention relates to a loose-tube, optical-ribbon cable, which comprises a central tensile-strength component situated in the center of the optical-ribbon cable; a plurality of loose tubes mounted with a bundle of optical-ribbon fibers, wherein the bundle of optical-ribbon fibers are formed by laminating multiple optical-ribbon fibers, each optical-ribbon fiber including multiple cores of optical fibers stranded in a single row and a sheath surrounding the multiple cores of optical fibers, wherein the plurality of loose tubes are stranded around the central tensile-strength component; a plurality of circle-shaped, water-absorbing members arranged in a hollow which is formed outside the pair of loose tubes neighboring each other; a water-absorbing tape for surrounding the plurality of loose tubes and plurality of circle-shaped, water-absorbing members; and, an external sheath situated in the outermost surface of the optical ribbon-cable for protecting the interior of the loose tube optical-ribbon c

Abstract: The inventive optical fiber ribbon includes a plurality of optical fibers horizontally arranged, upper and lower coating layers coated in upper and lower portions of the optical fibers, and side surface coating layers coated on outer surfaces of farthest optical fibers from the center of the optical fibers and having a thickness thinner than that of the upper and lower coating layers. A device of manufacturing an optical fiber ribbon is provided and includes a dye body, and a dye hole penetrating the dye body and having a cross section of a rectangular shape, characterized in that the dye hole has a height H expressed by an equation reading H=D+(0.05˜0.2 mm) (wherein D represents an external diameter of said optical fiber), and a width W expressed by an equation reading W=D×N+(0˜0.1 mm) (wherein N represents a number of cores of the optical fiber).

Abstract: The inventive optical fiber ribbon includes a plurality of optical fibers horizontally arranged, upper and lower coating layers coated in upper and lower portions of the optical fibers, and side surface coating layers coated on outer surfaces of farthest optical fibers from the center of the optical fibers and having a thickness thinner than that of the upper and lower coating layers. A device of manufacturing an optical fiber ribbon is provided and includes a dye body, and a dye hole penetrating the dye body and having a cross section of a rectangular shape, characterized in that the dye hole has a height H expressed by an equation reading H=D+(0.05˜0.2 mm) (wherein D represents an external diameter of said optical fiber), and a width W expressed by an equation reading W=D×N+(0˜0.1 mm) (wherein N represents a number of cores of the optical fiber).

Abstract: An aerial optical fiber cable comprising a non-conductive slot forming a cable core, the non-conductive slot having a concavo-concave cross-sectional shape, a pair of tubes each containing a plurality of optical fibers, each of the tubes being disposed in a respective concavity forming the concavo-concave shaped non-conductive slot, a moisture blocking tape wrapped around the non-conductive slot and the tubes, a filling compound disposed within a void formed between the concavities and the moisture blocking tape so prevent the tubes from moving in the concavities, a plurality of rod-type strength members stranded around the moisture blocking tape, and a sheath layer applied over the strength members to protect the aerial optical fiber cable from adverse environmental conditions.