Abstract: A system (100) for the identification of the formation of a burning droplet (9) of a material of a fiber optic cable (3) during cable burn testing comprises a data processing device (11) for processing respective image data of a plurality of image samples of an image stream. The data processing device (11) is configured to execute at least a processing step of preprocessing each of the recorded image samples of the image stream to generate a respective preprocessed image sample for each of the recorded image samples such that areas of the recorded image samples disturbing the identification of burning droplets (9) are masked out in the respective preprocessed image sample, and a step of identifying a burning droplet (9) in each of the preprocessed image samples by evaluating a pixel color property of a pixel of each preprocessed image sample.

Abstract: A system (100) for the identification of the formation of a burning droplet (9) of a material of a fiber optic cable (3) during cable burn testing comprises a data processing device (11) for processing respective image data of a plurality of image samples of an image stream. The data processing device (11) is configured to execute at least a processing step of preprocessing each of the recorded image samples of the image stream to generate a respective preprocessed image sample for each of the recorded image samples such that areas of the recorded image samples disturbing the identification of burning droplets (9) are masked out in the respective preprocessed image sample, and a step of identifying a burning droplet (9) in each of the preprocessed image samples by evaluating a pixel color property of a pixel of each preprocessed image sample.

Abstract: An optical fiber cable includes a cable jacket, a plurality of buffer tubes arranged on the inside of the cable jacket, a plurality of optical fibers arranged on the inside of each buffer tube, and a fire-retardant material having intrinsic tire-retarding properties. The fire-retardant material may be a filling material disposed between the cable jacket and the buffer tubes.

Abstract: A process and system for making a water resistant cable component and water resistant cable components are provided. The water resistant cable includes a cable body including an inner surface defining a channel within the cable body and an elongate cable component located within the channel of the cable body. The cable also includes a contiguous layer of crosslinked super absorbent polymer surrounding the elongate cable component. The layer of crosslinked super absorbent polymer is formed by applying a liquid layer including a carrier material and an uncrosslinked super absorbent polymer pre-polymer material onto an outer surface of a component of the cable and then by crosslinking the super absorbent polymer pre-polymer while on the cable component to form a layer of crosslinked super absorbent polymer surrounding the cable component.

Abstract: A process and system for making a water resistant cable component and water resistant cable components are provided. The water resistant cable includes a cable body including an inner surface defining a channel within the cable body and an elongate cable component located within the channel of the cable body. The cable also includes a contiguous layer of crosslinked super absorbent polymer surrounding the elongate cable component. The layer of crosslinked super absorbent polymer is formed by applying a liquid layer including a carrier material and an uncrosslinked super absorbent polymer pre-polymer material onto an outer surface of a component of the cable and then by crosslinking the super absorbent polymer pre-polymer while on the cable component to form a layer of crosslinked super absorbent polymer surrounding the cable component.

Abstract: An optical fiber cable includes a cable jacket, a plurality of buffer tubes arranged on the inside of the cable jacket, a plurality of optical fibers arranged on the inside of each buffer tube, and a fire-retardant material having intrinsic tire-retarding properties. The fire-retardant material may be a filling material disposed between the cable jacket and the buffer tubes.

Abstract: A process and system for making a water resistant cable component and water resistant cable components are provided. The water resistant cable includes a cable body including an inner surface defining a channel within the cable body and an elongate cable component located within the channel of the cable body. The cable also includes a contiguous layer of crosslinked super absorbent polymer surrounding the elongate cable component. The layer of crosslinked super absorbent polymer is formed by applying a liquid layer including a carrier material and an uncrosslinked super absorbent polymer pre-polymer material onto an outer surface of a component of the cable and then by crosslinking the super absorbent polymer pre-polymer while on the cable component to form a layer of crosslinked super absorbent polymer surrounding the cable component.

Abstract: A fire resistant optical communication cable is provided. The fire-resistant optical communication cable includes an extruded cable body including an inner surface defining a passage in the cable body and an outer surface. The fire-resistant optical communication cable includes a plurality of elongate optical transmission elements located within the passage of the cable body. The fire-resistant optical communication cable includes a layer of intumescent particles embedded in the material of the cable body forming an intumescent layer within the cable body. The cable may include one or more elements having flame resistant coatings that, upon exposure to heat, form a ceramic layer increasing the combustion time of the coated element.

Abstract: A manufacturing line includes an extruder and a dynamic caterpuller system located after the extruder along the manufacturing line. During manufacturing, a fiber optic assembly is produced, where the fiber optic assembly includes a tube containing at least on optical fiber. The tube is extruded via the extruder and loaded via the dynamic caterpuller, which includes a closed pipe through which passes a liquid and the fiber optic assembly. The flow rate of the liquid is different than the speed of the fiber optic assembly through the pipe such that drag is imparted on the fiber optic assembly by the liquid.

Abstract: A fire resistant optical communication cable is provided. The fire-resistant optical communication cable includes an extruded cable body including an inner surface defining a passage in the cable body and an outer surface. The fire-resistant optical communication cable includes a plurality of elongate optical transmission elements located within the passage of the cable body. The fire-resistant optical communication cable includes a layer of intumescent particles embedded in the material of the cable body forming an intumescent layer within the cable body. The cable may include one or more elements having flame resistant coatings that, upon exposure to heat, form a ceramic layer increasing the combustion time of the coated element.

Abstract: A manufacturing line includes an extruder and a dynamic caterpuller system located after the extruder along the manufacturing line. During manufacturing, a fiber optic assembly is produced, where the fiber optic assembly includes a tube containing at least on optical fiber. The tube is extruded via the extruder and loaded via the dynamic caterpuller, which includes a closed pipe through which passes a liquid and the fiber optic assembly. The flow rate of the liquid is different than the speed of the fiber optic assembly through the pipe such that drag is imparted on the fiber optic assembly by the liquid.

Abstract: An optical transmission element comprises a core section including a plurality of optical fibers where each one of the optical fibers is in contact with at least two other optical fibers. The optical transmission element also has a sheath section including a sheath layer surrounding the core section such that the sheath layer is in contact with the optical fibers.

Abstract: An optical cable comprises a tight-buffered optical cable and a protective sleeve which surrounds the tight-buffered optical cable. An intermediate layer surrounds the protective sleeve has tension-resistant elements. Furthermore, the optical cable contains a cable sheath which surrounds the intermediate layer, and a transitional area facing its inner surface. In this transitional area, the material of the cable sheath is mixed with the tension-resistant elements of the intermediate layer.

Abstract: A cutting apparatus to cut a coating of an optical fiber includes a body having a hole formed therein to insert the fiber and a cutting device to cut the coating of the fiber. When the fiber is inserted in the hole, the cutting apparatus may be disposed around the fiber in a first state and a second state. In the first state, the apparatus is disposed rotatably around a longitudinal axis of the tight buffered fiber. In the second state, rotational movement of the apparatus around the longitudinal axis of fiber is blocked and the apparatus is disposed movably in a longitudinal direction to cut the coating of the fiber by the cutting device.

Abstract: An optical cable comprises a plurality of elongate members wherein at least one of the elongate members include at least one optical fiber surrounded by buffer tube. The buffer tube is made of a soft material having a tension at break of less than 7.5 MPa. The elongate members are disposed around a central element. A binder is wrapped around the plurality of elongate members. An outer jacket surrounds the plurality of elongate members.

Abstract: An optical cable comprises a tight-buffered optical cable and a protective sleeve which surrounds the tight-buffered optical cable. An intermediate layer surrounds the protective sleeve has tension-resistant elements. Furthermore, the optical cable contains a cable sheath which surrounds the intermediate layer, and a transitional area facing its inner surface. In this transitional area, the material of the cable sheath is mixed with the tension-resistant elements of the intermediate layer.

Abstract: An optical cable comprises a tight-buffered optical cable and a protective sleeve which surrounds the tight-buffered optical cable. An intermediate layer surrounds the protective sleeve has tension-resistant elements. Furthermore, the optical cable contains a cable sheath which surrounds the intermediate layer, and a transitional area facing its inner surface. In this transitional area, the material of the cable sheath is mixed with the tension-resistant elements of the intermediate layer.

Abstract: An optical transmission element comprises optical waveguides embedded into a UV-curing protective layer. The optical waveguides and the UV-curing protective layer are surrounded by a sheath, on which spherical elements are arranged. A conductive layer is applied on the sheath and the spherical elements arranged thereon, said conductive layer having a resistivity. of an order of magnitude of 5·1010 ohms per meter measured at a temperature of between 18 degrees Celsius and 24 degrees Celsius and a relative humidity of 45 percent. In the case of an optical transmission element of this type, electrostatic charging when the optical transmission element is blown into an empty conduit is avoided to the greatest possible extent, such that possible blowing-in lengths within a range of between 500 meters and 1000 meters are obtained.

Abstract: An optical transmission element comprises a core section including a plurality of optical fibers where each one of the optical fibers is in contact with at least two other optical fibers. The optical transmission element also has a sheath section including a sheath layer surrounding the core section such that the sheath layer is in contact with the optical fibers.

Abstract: An optical cable comprises a plurality of elongate members wherein at least one of the elongate members include at least one optical fiber surrounded by buffer tube. The buffer tube is made of a soft material having a tension at break of less than 7.5 MPa. The elongate members are disposed around a central element. A binder is wrapped around the plurality of elongate members. An outer jacket surrounds the plurality of elongate members.