Entries |
Document | Title | Date |
20080285924 | Optical fiber cables - Described are new cable designs for indoor installations wherein the cable comprises a dual-layer optical fiber buffer encasement of acrylate resin. The buffer encasement has an acrylate compliant inner layer that protects the fiber and minimizes stress transfer to the fiber; and a hard, tough acrylate outer layer that provides crush resistance. The dual-layer optical fiber buffer encasement is wrapped with reinforcing yarn and encased in an outer protective jacket. A dual jacket embodiment adapted for indoor/outdoor installations is also described. | 11-20-2008 |
20080310801 | Low cost, high performance, low profile flexible reinforcement for communications cable - A low cost, high performance, low profile flexible reinforcement member that can be used for both optical and copper communications cable. The reinforcement members made according to the preferred process are more rigid than known reinforcement members, but are less rigid than glass pultruded rods. Communications cables utilizing these members are lightweight and exhibit an improved combination of strength and flexibility compared to traditional communications cables. Further, these communication cables may then be installed into underground ducts using more economical and faster installation techniques. | 12-18-2008 |
20090087152 | Optical Cable, Arrangement for Connecting a Multiplicity of Optical Waveguides, and Method for Manufacturing an Optical Cable - An optical cable which occupies little space and is highly flexible irrespective of the bending direction has a cable sheath and one and only one core, which is surrounded by the cable sheath. The one and only one core contains a plurality of optical waveguides. The optical cable and the core each have a round cross section. The optical cable is designed to produce an optical connection between further optical waveguides. Furthermore, an arrangement for connection of a multiplicity of optical waveguides has an array of connections. The ends of the optical cable can be connected to in each case two of the connections, so that the connections between a multiplicity of further optical waveguides are configurable. A method for production of the optical cable includes the prefabrication of a multi-fiber cable for use in a jumper panel. | 04-02-2009 |
20090123119 | Hydrocarbon Monitoring Cable with an Absorbing Layer - A hydrocarbon monitoring cable including resistance to development of defects in a fiber optic core thereof. The core defect resistance may be in the form of resistance to defect causing agents of a downhole environment such as hydrogen. This may be obtained through the use of a carbon layer about the fiber optic core. However, in light of the differing coefficients of thermal expansion between such a carbon layer and an outer polymer jacket, an intermediate polymer layer of a third coefficient of thermal expansion may be disposed between the carbon and jacket layers. Thus, the intermediate polymer layer may be of a third coefficient of thermal expansion selected so as to avoid fiber optic defect causing thermal expansion from the downhole environment itself. Additionally, the monitoring cable may include an electrically conductive layer about the fiber optic core that is positively charged to repel other positively charged fiber optic defect causing agents of the downhole environment. Furthermore, a polymer-based absorbing layer for absorbing such defect causing agents may be disposed about the fiber optic core for protection. | 05-14-2009 |
20090148110 | OPTICAL FIBER FOR PUMPING AND METHOD - A fiber optic cable includes at least one optic fiber; and a buoyancy modifying coating on the at least one optic fiber, the coating comprising at least one microballoon and a matrix material. | 06-11-2009 |
20090232460 | Fiber Optic Cables and Assemblies for Fiber Toward the Subscriber Applications - Disclosed are fiber optic cables and assemblies for routing optical networks closer to the subscriber. The fiber optic cables have a robust design that is versatile by allowing use in aerial application with a pressure clamp along with use in buried and/or duct applications. Additionally, the fiber optic cables and assemblies have a relatively large slack storage capacity for excess length. Assemblies include hardened connectors such as plugs and/or receptacles suitable for outdoor plant applications attached to one or more ends of the fiber optic cables for plug and play connectivity. | 09-17-2009 |
20090245739 | Optical Cable and Method for Producing an Optical Cable - 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. | 10-01-2009 |
20090252466 | AIR BLOWN OPTICAL FIBER UNIT FOR REDUCING MICRO-BENDING LOSS - Disclosed is an air blown optical fiber unit for reducing a micro-bending loss. The air blown optical fiber unit includes at least one optical fiber; a buffer layer surrounding the optical fiber and made of polymer resin having a Young's modulus of 0.05 to 2 kgf/mm; and an outer layer surrounding the buffer layer and having beads attached to a surface thereof, the outer layer being made of polymer resin, wherein the buffer layer has a thickness of 70 to 140 μm. This optical fiber unit may reduce a micro-bending loss of an optical fiber by buffering an external force applied to the optical fiber due to beads attached to its surface. | 10-08-2009 |
20090274424 | Buffered optical fibre and method for improving the lifetime thereof - A buffered optical fibre includes an optical waveguide, at least one exterior coating surrounding the optical waveguide and a buffer coating surrounding the at least one exterior coating, wherein the buffer coating is a tight buffer coating made of a material having a density of at least about 1.2 Kg/dm | 11-05-2009 |
20090274425 | Fiber Optic Cables Having Coupling and Methods Therefor - A fiber optic cable including at least one optical fiber disposed within a cavity of a cable jacket and methods for manufacturing the same are disclosed. The cavity has a first cavity cross-sectional area and a second cavity cross-sectional area located at different longitudinal locations along the cable, where the first cavity cross-sectional area is greater than the second cavity cross-sectional area. The region of the second cavity cross-sectional area of the cable provides and/or increases the coupling level of the at least one optical fiber to the cable jacket. In further embodiments, the fiber optic cable is a dry cable having one or more dry insert within the cavity for cushioning and/or optionally providing water-blocking for the cable. | 11-05-2009 |
20100080521 | OPTICAL FIBER WITH WATER-BLOCKING - Polymer-coated transmission media having water-blocking material embedded in the outer surface of the transmission media prevents water penetration into the transmission media and reduces the overall diameter of a cable made from the transmission media by eliminating a water-blocking tape layer in the cable. The outer surface of the transmission media is a polymer whose outer surface is embedded with a water-blocking material. The water-blocking material is applied before the polymer is cured. The transmission media may be any known type of optical media, which guides a light within the optical media. In various embodiments, optical fibers, buffered optical fibers and fiber ribbons are used as the transmission media. | 04-01-2010 |
20100086269 | CICADA-RESISTANT OPTICAL DROP CABLE - The object is to prevent damage to or breakage of optical fiber cores | 04-08-2010 |
20100086270 | TIGHT-BUFFERED OPTICAL FIBERS AND OPTICAL FIBER CABLES - An optical fiber cable and a tight-buffered optical fiber which suppress an increase in transmission loss in a humid and hot environment and have good manufacturability are disclosed. The tight-buffered optical fiber of the present invention comprises a glass fiber surrounded by a first coating layer and a second coating layer, the second coating layer comprising two or more layers; wherein a pull-out force is 15N/20 mm or less in at least one pair of layers between the first coating layer and the second coating layer, or between any two layers of the second coating layer. | 04-08-2010 |
20100098387 | Optical Fiber Cable Having Raised Coupling Supports - Disclosed is an optical fiber cable that includes optical fibers and a deformable coupling element enclosed within a buffer tube. The coupling element is formed from a deformable yet substantially incompressible material and features a number of raised members projecting toward the optical fibers. The design of the coupling element layer permits coupling of the optical fibers to the buffer tube without the use of a compressive cushioning layer. This arrangement distributes the compressive force applied to discrete points along the outer perimeter of the optical fiber element. | 04-22-2010 |
20100135622 | FLEXIBLE PLASTIC OPTICAL FIBER CABLE - A plastic optical fiber cable that is strong in repeated flexure, ensuring low light loss at bending with a bend radius of 2 mm. The plastic optical fiber cable is one composed of a multicore plastic optical fiber strand including 7 to 10,000 cores of transparent resin, island portions each consisting of at least one core-surrounding sheath layer of transparent resin with a refractive index lower than that of the transparent resin constituting the cores and sea portion of resin surrounding the island portions and, enclosing the multicore plastic optical fiber strand, a coating layer, characterized in that the resin constituting at least either the sheath layer or sea layer is one of 25 to 55 Shore D hardness while the resin constituting the coating layer consists of a thermoplastic resin of 500 to 2000 MP flexural modulus. | 06-03-2010 |
20100135623 | Single-Fiber Drop Cables for MDU Deployments - Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses. | 06-03-2010 |
20100135624 | Reduced-Size Flat Drop Cable - Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses. | 06-03-2010 |
20100254668 | TELECOMMUNICATION CABLE EQUIPPED WITH TIGHT-BUFFERED OPTICAL FIBERS - A telecommunication cable is equipped with at least one optical fiber coated by a tight buffer layer made from a polymeric material having an ultimate elongation equal to or lower than 100% and an ultimate tensile strength equal to or lower than 10 MPa. The above combination of features of the polymeric material forming the buffer layer provides an optical fiber which is effectively protected during installation operations and during use, and at the same time can be easily stripped by an installer without using any stripping tools, simply by applying a small pressure with his fingertips and a moderate tearing force along the fiber axis. | 10-07-2010 |
20100322573 | OPTICAL FIBER CABLE - It is an object of the present invention to provide an optical fiber cable which can reliably prevent increased transmission loss due to damage of the optical fiber as a result of the egg-laying behavior of cicadas. The cable includes at least an optical fiber | 12-23-2010 |
20110026889 | Tight-Buffered Optical Fiber Unit Having Improved Accessibility - Disclosed are tight-buffered and semi-tight-buffered optical fiber units. The optical fiber unit includes an optical fiber that is surrounded by a polymeric buffering layer to define a fiber-buffer interface. The buffering layer includes an aliphatic amide slip agent in an amount sufficient for at least some of the aliphatic amide slip agent to migrate to the buffer-fiber interface to thereby promote easy stripping of the buffering layer. For example, at least about 15 centimeters of the polymeric buffering layer can be removed from the optical fiber in a single operation using a strip force of less than about 10 N. | 02-03-2011 |
20110075978 | DOWNHOLE CABLE - Downhole cables are described that are configured to protect internal structures that may be detrimentally impacted by exposure to the downhole environment, by protecting such structures by at least two protective layers. In some examples, the structures to be protected may be housed in a protective tube housed within the protective outer sheath. The described configuration enables the use of structures such as polymer fibers in the cables for strength and load-bearing capability by protecting the fibers, by multiple protective layers, from exposure to gases or fluids within a wellbore. | 03-31-2011 |
20110081121 | METHOD OF CONNECTING USER DEVICES TO OPTICAL FIBRE UNITS CONTAINED IN AN OPTICAL CABLE - A method for connecting user devices to optical fiber units contained in an optical cable includes: providing an opening in a sheath of the optical cable to access the optical fiber units contained in the optical cable; extracting a segment of at least one optical fiber unit from the optical cable through the opening; inserting a free end of the extracted segment of optical fiber unit into a protection tube; making the protection tube slide on the extracted segment of optical fiber unit to insert an end portion of the protection tube, distal from the free end of the extract segment of the optical fiber unit, into the optical cable through the opening; positioning a closure element on the optical cable in correspondence of the opening so as to substantially realize a closure thereof; securing in a removable way the closure element to the optical cable and bringing the free end of the extracted segment of optical fiber unit in correspondence of a connection point of a user device. | 04-07-2011 |
20110085768 | OPTICAL FIBER AND METHOD OF MANUFACTURING OPTICAL FIBER - An optical fiber having excellent strength that can be manufactured at low cost, as well as a method for making such optical fiber, is provided. An optical fiber | 04-14-2011 |
20110110634 | Tactical Cable - Robust fiber optic cables and assemblies having low attenuation multimode optical fibers. The cables have low attenuation in tensile and mandrel wrap tests, and can have thermoplastic urethane jackets coextruded over tensile strength members that allow the cables to be pulled by the jackets. The cables have relatively small cross-sections yet have sufficient robustness to be deployed in extreme environments such as cellular tower applications. | 05-12-2011 |
20110110635 | OPTICAL FIBER CABLE AND OPTICAL FIBER RIBBON - Amono-coated optical fiber that has a bending loss characteristic in which an optical loss increase at a bending radius 13 mm is 0.2 dB/10 turn or less, an optical fiber ribbon that includes two-dimensionally disposed resin portions for bonding the adjacent 2-fiber mono-coated optical fibers in plural places, the resin portions being disposed apart from each other in the longitudinal direction of the optical fiber ribbon and an optical fiber cable that includes a cable core portion that stores twisting of plural units where the mono-coated optical fibers constituting the optical fiber ribbon are collected. | 05-12-2011 |
20110142403 | Cables with Bend Insensitive Optical Fibers - Fiber optic cables and methods of manufacturing fiber optic cables are disclosed herein. According to one embodiment, a fiber optic cable includes a plurality of optical fibers having a lay length of greater than 160 mm. The fiber optic cable also includes strength material surrounding the plurality of optical fibers and a polymer jacket surrounding the strength material. Each of the optical fibers is configured to exhibit a bend-induced optical attenuation of less than or equal to about 0.6 dB when wrapped one turn around a 7.5 mm mandrel. | 06-16-2011 |
20110150402 | OPTICAL FIBER CABLE - An optical fiber cable which is suitably set in a conduit by pushing the optical fiber cable into the conduit so as to insert the optical fiber cable through the conduit and which does not reduce the ease of manufacture and the mechanical characteristics of the optical fiber cable. The optical fiber cable includes an optical fiber cable core wire and a sheath covering the optical fiber cable core wire, wherein a dynamic friction coefficient between a surface of the sheath of the optical fiber cable and a surface of a sheath of another optical fiber cable is 0.17 to 0.34, and a dynamic friction coefficient between the surface of the sheath of the optical fiber cable and a surface of a sheet composed of polyvinyl chloride is 0.30 to 0.40. | 06-23-2011 |
20110170836 | Telecommunication Cable Equipped with Microstructured Optical Fibres - Telecommunication cable comprising at least one microstructured optical fibre comprising a core region and a cladding region surrounding the core region, the cladding region comprising an annular void-containing region comprised of randomly arranged voids, the core region including doped silica to provide a positive refractive index relative to pure silica; and at least one protecting layer provided around said optical fibre, the protecting layer being made of a polymeric material having a low ultimate elongation. | 07-14-2011 |
20110229098 | FIBER OPTIC CABLES AND ASSEMBLIES FOR FIBER TOWARD THE SUBSCRIBER APPLICATIONS - Fiber optic cables and assemblies for routing optical networks closer to the subscriber. The fiber optic cables have a small-cross section yet robust design that is versatile by allowing use in aerial application with a pressure clamp along with use in buried and/or duct applications. Additionally, the fiber optic cables and assemblies have a relatively large slack storage capacity for excess length. Assemblies include hardened connectors such as plugs and/or receptacles suitable for outdoor plant applications attached to one or more ends of the fiber optic cables for plug and play connectivity. | 09-22-2011 |
20110255834 | OPTICAL FIBER CABLE - An optical fiber cable enabling further reduction of possibilities of disconnection of optical fiber due to, for instance, cicada oviposition. The optical fiber cable ( | 10-20-2011 |
20110280529 | LOGGING CABLE - A cable that includes a first optical fiber in a center, a first layer with a plurality of metal wires and a stainless steel tube surrounding the first optical fiber, a second optical fiber inside the stainless steel tube, and a second layer with a plurality of metal wires surrounding the first layer, wherein the first optical fiber is directly exposed to the outside environment. | 11-17-2011 |
20120045185 | HEAT-RESISTANT OPTICAL UNIT - An optical unit is comprised of a plurality of optical base fibers twisted together without any member serving as a center of twisting so that each optical base fiber comes in contact with adjacent optical base fibers along the whole length, each of the optical base fibers including an optical fiber and a sleeve consisting essentially of silicone, a filler having the plurality of optical base fibers embedded therein, the filler consisting essentially of silicone, and a sheath covering the filler and the plurality of optical base fibers embedded in the filler. | 02-23-2012 |
20120177330 | TIGHT BUFFER FIBER OPTIC CABLES FOR CONDUITS - A fiber optic arrangement includes a primary strand, a plurality of secondary connection strands, each of which is coupled to the primary strand at a notch. Tight buffer optical fibers are attached, one at the end of each of the secondary connection strands. | 07-12-2012 |
20120201501 | OPTICAL CABLE AND METHOD FOR PRODUCING AN OPTICAL CABLE - 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. | 08-09-2012 |
20120237175 | LOW SHRINK TELECOMMUNICATIONS CABLE AND METHODS FOR MANUFACTURING THE SAME - The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing telecommunications cables having layers adapted to resist post-extrusion shrinkage. | 09-20-2012 |
20120237176 | OPTICAL FIBER CABLE - An optical fiber cable includes: a slotted core which houses and holds an optical fiber in a rectilinear slotted groove disposed along a longitudinal direction of the cable; a cylindrical sheath covering the entire slotted core; a rectilinear hanger line integrally provided continuously to the sheath; and a rectilinear tension member mounted in the slotted core. The tension member is located in a region having an angle about the cable center line within a predetermined value with respect to a plane including a center line of the suspension wire and the cable center line. | 09-20-2012 |
20120251060 | CABLES WITH BEND INSENSITIVE OPTICAL FIBERS - A fiber optic cable includes a plurality of optical fibers, strength material surrounding the plurality of optical fibers, and a polymer jacket surrounding the strength material. If present, any lay length of the optical fibers is greater than or equal to about 500 mm. If present, any lay length of the strength material is greater than or equal to about 500 mm. When wrapped one turn around a 10 mm diameter mandrel, each of the optical fibers is configured to exhibit a bend-induced optical attenuation of less than 0.5 dB at an 850 nm wavelength. | 10-04-2012 |
20120281954 | SOLID CORE OPTIC FIBER - The invention relates to a solid core optic fiber ( | 11-08-2012 |
20120308184 | APPARATUS AND METHOD FOR BEND RADIUS CONTROL OF FIBER OPTIC CABLE ASSEMBLIES - A cable assembly, for example, a pulling grip for pulling a trunk cable assembly having a plurality of cable legs may include at least one pliable core for receiving the cable legs, the cable legs being wrapped at least one time around the at least one pliable core causing distal ends of the cable legs to be a distance from a furcation point, the distance being shorter than the length of the cable legs, the cable assembly further providing protection from exceeding a minimum bend radius and enabling a relatively short pulling grip. | 12-06-2012 |
20130051742 | DROP CABLE ASSEMBLY - A drop cable assembly has a drop cable and an outer sheath formed around the drop cable that encloses and reinforces the drop cable. The drop cable is accommodated within a cavity of the outer sheath and includes strength members. | 02-28-2013 |
20130051743 | FIBER OPTIC CABLES WITH ACCESS FEATURES AND METHODS OF MAKING FIBER OPTIC CABLES - Cables are constructed with extruded discontinuities in the cable jacket that allow the jacket to be torn to provide access to the cable core. The discontinuities can be longitudinally extending strips of material in the cable jacket. | 02-28-2013 |
20130058613 | COMPACT, LOW-COST OUTSIDE PLANT OR INDOOR/OUTDOOR CABLES - An optical fiber cable includes an unbuffered optical fiber, a tensile reinforcement member surrounding the unbuffered optical fiber, and a jacket surrounding the tensile reinforcement member. The jacket is suitable for outside plant environment. A water blocking material is placed between the unbuffered fiber and the jacket. The unbuffered optical fiber comprises an ultra bend-insensitive fiber that meets the requirements of ITU-T G.657.B3 and exhibits an additional loss of less than approximately 0.2 dB/turn when the fiber is wrapped around a 5 mm bend radius mandrel. The optical fiber cable also exhibits an additional loss of less than approximately 0.4 dB/km at 1550 nm when the cable is subjected to −20° C. outside plant environment. | 03-07-2013 |
20130089295 | LOW SHRINK TELECOMMUNICATIONS CABLE AND METHODS FOR MANUFACTURING THE SAME - The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing telecommunications cables having layers adapted to resist post-extrusion shrinkage. | 04-11-2013 |
20130094822 | CABLES WITH BEND INSENSITIVE OPTICAL FIBERS - Fiber optic cables and methods of manufacturing fiber optic cables are disclosed herein. According to one embodiment, a fiber optic cable includes a plurality of optical fibers. The fiber optic cable also includes strength material having a relatively long lay length, the strength material surrounding the plurality of optical fibers and a polymer jacket surrounding the strength material. Each of the optical fibers is configured to exhibit a bend-induced optical attenuation of less than or equal to about 0.5 dB when wrapped one turn around a 10 mm mandrel at a wavelength of 850 nanometers. | 04-18-2013 |
20130108228 | CABLES WITH EXTRUDED ACCESS FEATURES AND METHODS OF MAKING THEREOF | 05-02-2013 |
20130129289 | CASE ASSEMBLY HAVING WICKING BARRIER - A cable assembly configured to prevent the wicking of fluid inside the cable assembly and method for producing same. The assembly includes at least one wire surrounded by an insulative wire jacket. A portion of the wire jacket is removed to expose a portion of the wire. The at least one wire is overmolded with a material that adheres to the wire jacket and the exposed portion of the wire, thereby preventing the wicking of fluid along the inside and outside surfaces of the wire jacket. Solder may be applied to the exposed portion of the wire, thereby providing a fluid barrier within the wire in instances in which the wire is stranded. | 05-23-2013 |
20130177282 | Flexible Strength Members for Wire Cables - This invention relates to a fiber reinforced plastic material with improved flexibility and high tensile strength for use in optic cables. The strength member composition comprises a polypropylene based thermoplastic resin, a continuous fiber having a modulus greater than 80 PGa, and talc. | 07-11-2013 |
20130188915 | PLASTIC OPTICAL FIBER UNIT AND PLASTIC OPTICAL FIBER CABLE USING SAME - The present invention relates to a plastic optical fiber unit in which a plurality of plastic optical fibers each comprising an optical fiber body and a reinforcing layer covering an outer circumference of the optical fiber body is bundled in a longitudinal direction and integrated, and a coating resin is applied so as to cover the entire bundle of the plastic optical fibers, in which the plastic optical fiber unit satisfies the relationship of 0.15≦T/D≦0.50 when a thickness of the reinforcing layer of the plastic optical fiber is D and a shortest distance of from the plastic optical fiber to the outer circumference of the plastic optical fiber unit is T. | 07-25-2013 |
20130279865 | TACTICAL CABLE - Robust fiber optic cables and assemblies having low attenuation multimode optical fibers. The cables have low attenuation in tensile and mandrel wrap tests, and can have thermoplastic urethane jackets coextruded over tensile strength members that allow the cables to be pulled by the jackets. The cables have relatively small cross-sections yet have sufficient robustness to be deployed in extreme environments such as cellular tower applications. | 10-24-2013 |
20130315545 | OPTICAL FIBER - The present invention provides an optical fiber in which transmission loss is not easily increased when the optical fiber is dipped in water and then dried and also which has a solvent resistant property and a micro-bend resistant property. An optical fiber according to one embodiment of the present invention is an optical fiber in which at least two layers of coating resin coat the circumference of a glass optical fiber. When a Yang's modulus of the first coating layer of the coating resin is defined by PY (MPa) and an elution rate of the coating resin after dipping in 60° C. hot water for 168 hours is defined by E (mass·%), a formula of 1.8≦E≦8.61×PY+1.40 is satisfied. | 11-28-2013 |
20130343712 | OPTICAL FIBER TAPE CORE WIRE MANUFACTURING METHOD, MANUFACTURING DEVICE, AND OPTICAL FIBER TAPE CORE WIRE AND OPTICAL FIBER CABLE MANUFACTURED WITH SAID MANUFACTURING METHOD - Provided is an method of manufacturing an optical fiber tape core wire with which, even when the optical fiber tape core wire is separated into optical fiber wires, it can be determined which optical fiber tape core wire each optical fiber wire is associated with. A fiber running length adjustment device | 12-26-2013 |
20140029903 | FIBER OPTIC DROP CABLE - A fiber optic cable includes a subunit and an outer portion. The subunit includes a subunit jacket defining a passageway interior thereto, an optical fiber extending through the passageway, and a first reinforcement material constraining the optical fiber within the subunit jacket such that the optical fiber and the subunit jacket are coupled to one another by way of the first reinforcement material. The outer portion of the fiber optic cable includes an outer jacket defining an outer periphery of the cable and a second reinforcement material between the outer jacket and the subunit jacket. The second reinforcement material includes fiberglass yarn, and hoop stress applied to the fiberglass yarn by the outer jacket constrains the fiberglass yarn such that it is positioned and oriented to provide anti-buckling support to the fiber optic cable and mitigate effects on the optical fiber of jacket shrinkage due to low temperatures. | 01-30-2014 |
20140029904 | LOGGING CABLE - A cable that includes a first optical fiber in a center, a first layer with a plurality of metal wires and a stainless steel tube surrounding the first optical fiber, a second optical fiber inside the stainless steel tube, and a second layer with a plurality of metal wires surrounding the first layer, wherein the first optical fiber is directly exposed to the outside environment. | 01-30-2014 |
20140064682 | Liquid and Gaseous Resistance Compact Fiber Unit and Method of Making the Same - The embodiments disclosed herein seek to eliminate substantially all of the voids or air gaps among neighboring fibers within a CFU by wetting a plurality of optical fibers that comprises the CFU with an acrylate prepolymer resin before the plurality of the optical fibers are grouped together tightly. In one embodiment, instead of extruding a first acrylate prepolymer resin to the optical fibers immediately after a first die, the disclosed process wets the optical fibers with a first acrylate prepolymer resin prior to the first die. | 03-06-2014 |
20140079360 | NANOTUBE FIBER OPTIC CABLE - A fiber optic cable is disclosed that includes an optic fiber contained within a nanotube. A graphene layer covers an end-surface of the optic fiber for wear protection. | 03-20-2014 |
20140099062 | METHODS OF MAKING AND ACCESSING CABLES HAVING ACCESS FEATURES - Cables jacket are formed by extruding discontinuities in a main cable jacket portion. The discontinuities allow the jacket to be torn to provide access to the cable core. The discontinuities can be longitudinally extending strips of material in the cable jacket, and can be introduced into the extrudate material flow used to form the main portion through ports in the extrusion head. The discontinuities allow a section of the cable jacket to be pulled away from a remainder of the jacket using a relatively low peel force. | 04-10-2014 |
20140119699 | OPTICAL FIBER CABLE HAVING SPLINE PROFILED INSULATION - An optical fiber cable includes at least one optical fiber element and a tight buffer coating on the optical fiber element, where the tight buffer coating on the optical fiber element includes a plurality of alternating splines and grooves facing outwardly towards the outer circumference of the tight buffer coating. Additionally, an optical fiber cable can have at least one optical fiber element and at least one buffer tube surrounding the optical fiber element, where the buffer tube around the optical fiber element includes a plurality of alternating splines and grooves facing outwardly towards the outer circumference of the buffer tube. | 05-01-2014 |
20140270664 | METHODS FOR CREATING A DEMARCATION LOCATION IN A STRUCTURE AND ASSOCIATED ASSEMBLIES - Disclosed are methods for creating a demarcation of at least one optical fiber in a structure along with a fiber optic cable. The method may include the steps of providing at least one optical fiber having a covering, heating a portion of the covering, and deforming the covering about the at least one optical fiber at a first location to inhibit movement of the at least one optical fiber with respect to the covering. The method may be applied to one or more optical fibers within a covering such as bare loose fibers, ribbonized fibers, buffered fibers or the like. | 09-18-2014 |
20140341518 | PLASTIC OPTICAL FIBER CABLE - Provided is a plastic optical fiber cable including a plastic optical fiber | 11-20-2014 |
20140355942 | INDUCTION FREE, FLAME RETARDANT COMPACT DROP CABLE - An optical fiber cable with an optical fiber, an FR-aramid yarn, and a jacket that can be used as a flame retardant compact drop cable for multiple dwelling units. | 12-04-2014 |
20140376866 | OPTICAL FIBER AND OPTICAL CABLE - An optical fiber includes a core, a clad and a coating layer. The core is made of glass, has a higher refractive index than that of the clad, and can guide propagating light. The clad surrounding the core is made of glass or plastic. The coating layer surrounding the clad is made of plastic. The core has a diameter d1 of from 70 to 105 μm. The clad has a diameter d2 of from 80 to 130 μm. The glass has a diameter of from 70 to 130 μm. The coating layer has a thickness t3 of from 12.5 to 85 μm. The optical fiber has an effective numerical aperture NA of from 0.28 to 0.35. The optical fiber of this embodiment has a transmission loss of 20 dB/km or smaller and a transmission bandwidth of 40 MHz·km or larger at an 850-nm wavelength. | 12-25-2014 |
20150010282 | OPTICAL MODULE - The optical module | 01-08-2015 |
20150086168 | BINDER FILM FOR A FIBER OPTIC CABLE - A fiber optic cable includes a core and a binder film surrounding the core. The core includes a central strength member and core elements, such as buffer tubes containing optical fibers, where the core elements are stranded around the central strength member in a pattern of stranding including reversals in lay direction of the core elements. The binder film is in radial tension around the core such that the binder film opposes outwardly transverse deflection of the core elements. | 03-26-2015 |
20150131952 | FIRE RESISTANT OPTICAL COMMUNICATION CABLE - 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. | 05-14-2015 |
20150139593 | OPTICAL FIBER CABLE - An optical fiber cable includes an optical fiber core wire; a pair of tension members extending parallel to each other in an extension direction of the optical fiber core wire, sandwiching the optical fiber core wire; and a rectangular jacket covering the optical fiber core wire and the pair of tension members, and in a cross-section orthogonal to the extension direction, having a major axis in a facing direction of the tension members and a minor axis in a direction orthogonal to the facing direction, wherein each of the tension members is glass fiber reinforced plastic having a diameter in a range of 0.7 mm or more and 1 mm or less, and the jacket has a friction coefficient of 0.3 or less, the major axis of 4 mm or less, and the minor axis of 2.8 mm or less. | 05-21-2015 |
20150316736 | LOW SHRINK TELECOMMUNICATIONS CABLE AND METHODS FOR MANUFACTURING THE SAME - The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members embedded within a base material. The shrinkage-reduction members can be made of a liquid crystal polymer. The disclosure also relates to a method for manufacturing telecommunications cables having layers adapted to resist post-extrusion shrinkage. | 11-05-2015 |
20150346448 | OPTICAL CABLE MODULE AND METHOD FOR MANUFACTURING THE SAME - An optical cable module and a method for manufacturing the same are disclosed. The optical cable module comprises a connector and an optical cable, and the optical cable is connected to the connector. A wavelength of at least one optical signal emitted from a laser of the connector is in a range of 380 nm to 980 nm. The optical cable comprises at least one optical fiber and an outer cladding layer, and the outer cladding layer surrounds the optical fiber, and the outer cladding layer includes at least one transparent portion, and at least one portion of the optical signal is leaked from the optical fiber and passes through the transparent portion to the surrounding environment. | 12-03-2015 |
20150362690 | ENVIRONMENTAL SEALING ARRANGEMENT FOR FURCATED OPTICAL FIBERS - An assembly for protecting spliced optical fibers includes: a fiber optic cable comprising at least one optical fiber and a surrounding jacket; at least one elongate tubular member housing the optical fiber, wherein a gap exists between the elongate tubular member and the jacket such that the optical fiber has an exposed region; and a premold block formed of an ultra-low pressure material, the premold block encasing the exposed region of the optical fiber. | 12-17-2015 |
20160048000 | BUFFERED FIBERS WITH ACCESS FEATURES - Buffered optical fibers are formed by extruding discontinuities in the buffer layer. The discontinuities allow the buffer layer to be torn to provide access to the buffered optical fiber. The discontinuities can be longitudinally extending strips of material in the buffer layer, and can be introduced into the extrudate material flow used to form the first section of the buffer layer in the extrusion head. | 02-18-2016 |
20160054532 | Optical fiber cable - An optical fiber cable is formed with an optical fiber and a coating layer made up of at least one layer provided on the outer periphery of the optical fiber. The material for forming the coating layer is made of a halogen-free resin composition containing polyolefin resin (A) and melt tension enhancer (B). | 02-25-2016 |
20160116699 | FIBER DROP CABLE ASSEMBLY FOR OUTDOOR AND INDOOR ROUTING - Drop cable assemblies that can be routed from an outdoor terminal directly to an indoor wall outlet without disruption, and adhered to the interior of a dwelling after removal of the drop cable jacket and utilization of a pre-applied adhesive layer are described. Additionally, telecommunications systems utilizing such assemblies, methods of routing such assemblies and methods of making such assemblies are described. | 04-28-2016 |
20160202436 | REINFORCED OPTICAL FIBER CABLE | 07-14-2016 |
20160377826 | OPTICAL FIBER CONDUCTOR - An apparatus includes a length of flexible tape defined between a first end of the tape and a second end of the tape, the flexible tape including an adhesive surface that extends lengthwise between the first and second ends of the tape; and a fiber optic strand embedded within a volume of the flexible tape and extending between the first and second ends of the tape. | 12-29-2016 |