Class / Patent application number | Description | Number of patent applications / Date published |
385114000 | Ribbon cable | 71 |
20080226241 | OPTICAL FIBER AND OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SYSTEM - An optical fiber, made of silica-based glass, comprising a core and a cladding. The optical fiber having a mode field diameter of 6.5 μm or larger at a wavelength of 1300 nm, transmitting light with a wavelength of 1250 nm in a single mode, and having a bending loss of 1 dB/turn or smaller at a wavelength of 1300 nm when the optical fiber is bent with a curvature radius of 1.5 mm. | 09-18-2008 |
20080232750 | OPTICAL FIBER RIBBON - An optical fiber ribbon includes a plurality of optical fibers, each includes a glass optical fiber coated with a fiber coating, that are arranged in parallel, and a ribbon coating that coats the optical fibers arranged in parallel. The optical fiber ribbon has a thickness equal to 300 μm or less. The fiber coating is made of a non-flame-resistant ultraviolet curable resin. The ribbon coating has a thickness equal to 40 μm or more and is made of a flame resistant resin. | 09-25-2008 |
20080247719 | CABLE ASSEMBLY WITH ACCESS POINT AND RIBBON STACK HANDLING - A cable assembly comprising a fiber optic cable having a ribbon stack therein, at least one network access location for accessing the ribbon stack, and a bonding fillant for locking an uncut portion of the ribbon stack to the cable at the network access location to prevent ribbon stack translation and rotation at the network access point relative to the tubular component. A method for eliminating optical fiber translation and rotation at a predetermined position within a fiber optic cable comprising providing a cable, forming an access location, filling exposed cable portions with a fillant, flowing the fillant, and curing the fillant to bond a length of the ribbon stack within the cable. | 10-09-2008 |
20080247720 | Cable assembly with access point - A cable assembly comprising a fiber optic cable having an optical ribbon stack therein, at least one network access location for accessing the ribbon stack, and at least one ERL insert assembly, which can include for example at least one resilient plug for holding one or more optical ribbons of the fiber optic cable at, or near, the network access location to inhibit optical ribbon stack movement and torque, for example, translation and/or rotation at the network access point. Also disclosed is a method for inhibiting optical fiber movement or torque, translation and/or rotation at a predetermined position within a fiber optic cable. | 10-09-2008 |
20080253723 | Optical fiber ribbon drop cable - A ribbon drop cable is provided. The ribbon drop cable includes a ribbon band of a plurality of communication medium. The ribbon band having a top flattened portion, a bottom flattened portion, a first side and a second side. At least one dielectric strength rod is disposed proximal to either the first side or second side of the ribbon band. The ribbon drop cable further includes a sheath which surrounds the ribbon band and the strength elements. The sheath is configured to hold the strength elements and the ribbon band in alignment. | 10-16-2008 |
20080304799 | THERMOSETTING OPTICAL WAVEGUIDE COATING - A method for making a panel comprising the steps of providing a plurality of waveguides including an optical core layer having a first and a second surface coated with a cladding material that forms a cladding layer, positioning a thermosetting adhesive between the plurality of waveguides, wherein the thermosetting adhesive includes a thermosetting resin, and curing the thermosetting adhesive. | 12-11-2008 |
20090003782 | FIBER OPTIC DROP RIBBON, SYSTEM, AND ASSOCIATED METHOD - A fiber optic drop ribbon is described that can be attached to structures, such as the walls of multi-dwelling units (MDUs), for connecting subscribers to a fiber optic communications network. A number of coated optical fibers are supported by a backing strip of the article having a first and second surface. The first surface is attached to the structure, and the optical fibers are attached to the second surface. A cover strip attaches to the second surface of the backing strip to cover the optical fibers. The cover strip may be removable to provide access to the optical fibers and may reattach to the backing strip following removal. Associated systems and methods are also provided that may include additional components, such as furcation sections, furcation splints, and fiber trays, to facilitate the installation of the article and the connection of subscribers to the fiber optic network. | 01-01-2009 |
20090022460 | Factory Spliced Cable Assembly - A telecommunications cable including a main cable having a central buffer tube enclosed within a cable jacket and a ribbon stack positioned within the buffer tube. The main cable includes a cut region where a slot has been cut through the cable jacket and the buffer tube to provide access to the ribbon stack during manufacture of the telecommunication cable. A tether branches from the main cable at the cut region. The tether includes an optical fiber that is optically coupled to an optical fiber of the ribbon stack. | 01-22-2009 |
20090022461 | OPTICAL FIBER - An optical fiber which reduces transmission loss increase even in a high humidity environment or under water is provided. To solve the above issue, an optical fiber according to the present invention comprises a glass optical fiber coated with at least two coating layers, soft and hard layers. The optical fiber is further coated by a colored resin to make a colored optical fiber. The hard layer and the color layer of the colored optical fiber have a free volume radius of at least 0.290 nm according to positron annihilation lifetime spectroscopy. | 01-22-2009 |
20090052847 | OPTICAL FIBER RIBBON - An optical fiber ribbon and an optical fiber cable capable of suppressing deterioration of polarization mode dispersion and effective in improving the communication capacity in wavelength multiplex communication. In an optical fiber ribbon having a plurality of optical fibers | 02-26-2009 |
20090052848 | OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION SYSTEM - An optical fiber has a refractive index profile approximated by n(r)=n1[1−2(Δ1/100)(r/a)̂α] | 02-26-2009 |
20090060431 | Indoor Fiber Optic Distribution Cable - A fiber optic distribution cable including a main cable having a plurality of branch locations. Branch cables divert from the main cable at the branch locations. The branch cables are secured to branch anchors located at the branch locations. Optical fibers are routed through the branch anchors from the main cable to the branch cables. Protective enclosures cover the branch locations. | 03-05-2009 |
20090060432 | LIGHT TRANSMITTING BODY AND OPTICAL INTERCONNECTION SYSTEM - An optical transmission medium includes a GI optical fiber that is made of silica glass. The GI optical fiber includes a core having a graded-index refractive index profile and a cladding formed around the core. The GI optical fiber is bent by equal to or more than a quarter turn with a curvature radius equal to or larger than 4 mm and equal to or smaller than 10 mm. | 03-05-2009 |
20090067791 | Optical tube assembly having a dry insert and methods of making the same - An optical tube assembly having at least one optical waveguide, at least one dry insert, and a tube. In one embodiment, the dry insert has a first layer and a second layer. The first layer is a polyurethane foam and the second layer is a water-swellable layer, wherein the dry insert is disposed within the tube and generally surrounds the at least one optical waveguide. | 03-12-2009 |
20090232461 | Optical fiber and optical fiber ribbon - The present invention relates to an optical fiber accommodated in an optical fiber cable, and more particularly, to an optical fiber which optimizes optical fiber coating resin and color resin and restrains an increase in transmission loss of the optical fiber due to an operating environment and aged deterioration and provides an optical fiber and optical fiber ribbon without any increase of transmission loss irrespective of the operating environment and aged deterioration, and especially when exposed to water or high humidity. | 09-17-2009 |
20090279834 | DATA COMMUNICATION CABLE - A data communication cable comprising a plurality of optical glass fibres, in which optical glass fibres of the fluorine-doped graded-index multimode glass fibre type are used. The present invention further relates to the use of fluorine-doped graded-index multimode optical glass fibres in an optical glass fibre ribbon. An object of the present invention is to provide a data communication cable in which the maximum difference in signal propagation time between the channels in the data communication cable is reduced to a minimum. | 11-12-2009 |
20090297107 | Optical Fiber Telecommunication Cable - The invention relates to a flat telecommunication cable in which optical fibers are positioned within micromodules. The micromodules are coupled to a surrounding, ribbon-like cable jacket, thereby preventing the micromodules from sagging within the cable during vertical installations. The invention also relates to a method of extracting optical fibers from such a cable. | 12-03-2009 |
20090304339 | Optical Fiber Branch Cable, Method of Wiring the Same, and Method of Providing the Same - An optical fiber branch cable is provided that comprises a branch portion disposed stably with respect to a multi-core optical fiber cable of a trunk line from which branching is performed, that is excellent in handleability as a cable, and that exhibits high workability. | 12-10-2009 |
20100046896 | LIQUID CRYSTAL POLYMER BLENDS FOR USE AS BUFFER FOR OPTICAL FIBER - This invention relates to the use of liquid crystal (LCP) blends for use as buffer layers in optical fiber cables to enhance strength and flexibility so as to meet the demanding requirements imposed on such cables for use in aircraft and the like. The inventive optical fiber cable comprises one or more optical fibers having a core having a given index of refraction and a cladding layer surrounding the core and having an index of refraction lower than that of the core so that the two in combination are capable of propagating light along the length of the fiber cable. At least one exterior buffer layer surrounds the cladding, the exterior buffer layer comprising a liquid crystal polymer and thermoplastic blended coating formed as a layer around the cladding, preferably by cross-head extrusion. The thermoplastic has properties such that the blended coating has a strain at break larger than the liquid crystal polymer would otherwise have acting alone. The thermoplastic comprises a fluoropolymer, and the blended coating includes a compatibilizer so that the blended coating is a reactive blend. | 02-25-2010 |
20100080522 | METHOD OF PROVIDING MID-SPAN ACCESS TO AN OPTICAL FIBER RIBBON CABLE AND THE OPTICAL FIBER RIBBON CABLE - A method of facilitating mid-span access of an optical fiber ribbon cable, and the resulting cable, that provides for redeveloping and/or modifying excess ribbon length with the accessed cable structure. The method includes the use of a form placed within the cable structure that controls the excess ribbon length. The method may further include the reconstitution of severed strength members. | 04-01-2010 |
20100119198 | COATED OPTICAL FIBERS - A coated optical fiber of the present invention comprises a glass fiber coated by at least two coating layers (a soft layer and a hard layer), wherein the glass surface of the glass fiber, where the at least two coating layers of the optical fiber are removed, has a peak intensity ratio of 0.6 or more in C | 05-13-2010 |
20100135625 | Reduced-Diameter Ribbon Cables with High-Performance Optical Fiber - 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 |
20100290748 | COMPOSITE CABLE - A composite cable that is able to prevent both the unfastening of the cable end from the connector and the occurrence of the bending distortion of the optical fiber, to both of which the expansion and shrinkage of the overall sheath is responsible, is provided. The composite cable comprises a stranded wire that is a strand of a plurality of insulated conductors each of which is a conductor with insulation covering thereon, an optical fiber ribbon that has a plurality of optical fibers parallelly-arranged in a row, and an overall sheath that covers the stranded wire and the optical fiber ribbon in a bundle, wherein the composite cable has a deterrent positioned on outer side of the stranded wire and the optical fiber ribbon parallelly-arranged in a row along the width direction of the overall sheath for deterring expansion and shrinkage of the overall sheath. Further, the composite cable has a bonding jacket between the deterrent and the overall sheath for making the deterrent adhere to the overall sheath; alternatively, the deterrent has a patterned indented shape on the surface thereof for making the deterrent adhere to the overall sheath. | 11-18-2010 |
20100296780 | PROCESS FOR MANUFACTURING AN OPTICAL FIBER AND AN OPTICAL FIBER SO OBTAINED - A process for manufacturing an optical fiber includes: drawing an optical waveguide from a glass preform; applying a layer of a first coating material on the optical waveguide; curing the first coating layer material to obtain a first coating layer; applying a layer of a second coating material onto the first coating layer; applying a layer of colored coating material onto the second coating layer; curing the second coating material and the colored coating material in a single step to obtain a second coating layer superposed on the first coating layer and a colored coating layer superposed on the second coating material layer, the obtained second coating layer having an elastic modulus higher than that of the first coating layer and lower than that of the colored coating layer. An optical fiber and an apparatus for producing it are also provided. | 11-25-2010 |
20100296781 | OPTICAL FIBER RIBBON CAPABLE OF BRANCHING AND METHOD FOR MAKING FIBER RIBBON BRANCH - An optical fiber ribbon is capable of branching by means of any tool. The optical fiber ribbon is comprised of a plurality of optical fibers running in parallel, each of the optical fibers having an allowable radius of curvature; a blanket sheath totally covering the plurality of the optical fibers; one or more concavities formed at any one or more intermediates among the optical fibers; and slits respectively arranged in series at a regular interval along the concavities, the slits penetrating the blanket sheath and allowing the tool to be inserted and the blanket sheath to split by means of movement of the tool along the concavities. The length of each slit prior to insertion of the tool is so determined that flexures of the optical fibers induced by the tool widening the slits do not exceed the allowable radius of curvature. | 11-25-2010 |
20110058779 | SPLITTABLE OPTICAL FIBER RIBBONS - A splittable optical fiber ribbon has a decreased propensity for fiber fallout along a longitudinal split. Fibers adjacent to a split location, called border fibers, have increased bond strength between their ink-coating and a surrounding matrix material. The bond strength is increased by first partially curing an ink that covers the border fibers, coating the partially-cured fibers with a matrix material, and then substantially fully curing the ink and the matrix material substantially simultaneously. The ribbon may include one or more grooves to enhance splitting the ribbon into subsets. | 03-10-2011 |
20110274396 | OPTICAL FIBER - The present invention provides an optical fiber in which the transmission loss increase is suppressed even under a high-humidity condition or under a water-immersed condition. A colored optical fiber ( | 11-10-2011 |
20110286708 | Factory Spliced Cable Assembly - A telecommunications cable including a main cable having a central buffer tube enclosed within a cable jacket and a ribbon stack positioned within the buffer tube. The main cable includes a cut region where a slot has been cut through the cable jacket and the buffer tube to provide access to the ribbon stack during manufacture of the telecommunication cable. A tether branches from the main cable at the cut region. The tether includes an optical fiber that is optically coupled to an optical fiber of the ribbon stack. | 11-24-2011 |
20110317969 | Method and Spacer for Assembling Flexible Optical Waveguide Ribbons, and Assembled Stack of Such Ribbons - A method and spacer for assembling flexible optical waveguide ribbons and assembled stack of such ribbons. The method includes the steps of: providing at least two optical waveguide ribbons and a spacer, which includes at least two calibrated spaces; positioning a ribbon stack in the spacer, where the ribbon stack includes the at least two optical waveguide ribbons stacked on top of each other; constraining positioned ribbon stack in one of the calibrated spaces; and fixing constrained ribbon stack in the calibrated spaces. | 12-29-2011 |
20120020632 | OPTICAL FIBER CABLE AND LAYING METHOD THEREOF - An optical fiber cable includes an elongated optical element portion having an optical fiber, a pair of tensile strength members and an outer jacket. The optical fiber is composed of one or more plastic coated optical fibers, tight-buffered optical fibers or optical ribbon fibers. The pair of tensile strength members is arranged in parallel at both sides of the optical fiber in a width direction of the optical fiber. The outer jacket covers outer circumferences of the optical fiber and the pair of tensile strength members. A frictional coefficient of the outer jacket is equal to or less than 0.20. Shore D hardness of the outer jacket is equal to or more than 60. | 01-26-2012 |
20120027366 | Optical Fiber Cable Having A Deformable Coupling Element - 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 that is capable of releasably and intermittently coupling the optical fibers to the buffer tube in various orientations. 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 and yet permits localized movement the optical fibers relative to the buffer tube to account for disparate thermal expansion and to accommodate optical fiber placement. | 02-02-2012 |
20120027367 | 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. | 02-02-2012 |
20120106907 | OPTICAL FIBER RIBBONS AND RIBBON MATRIX MATERIALS HAVING LOW OLIGOMER CONTENT - Fiber optic ribbon matrix materials having low oligomer content and fiber optic ribbons that contain a matrix prepared from such compositions are disclosed. | 05-03-2012 |
20120121225 | OPTICAL FIBER CABLES - Cables have reduced freespace, reduced tube diameters, and reduced strength member diameters. The cables are designed to pass robustness testing such as GR-20 while using smaller amounts of raw materials to produce. | 05-17-2012 |
20120189257 | OPTICAL FIBER, OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE - According to the present invention, there is provided an optical fiber, an optical fiber ribbon and an optical fiber cable that reduce both the increase in transmission loss and the decrease in strength. According to an embodiment of the present invention, there is provided an optical fiber in which an outer circumferential surface of an optical fiber is coated with a primary coating layer. In the optical fiber, the primary coating layer includes a ultraviolet curable resin, and the ultraviolet curable resin contains 0.05 or more and 0.75 or less parts by weight of a reactive silane coupling agent and 0.05 or more and 0.75 or less parts by weight of an unreactive silane coupling agent. | 07-26-2012 |
20120288246 | DURABLE OPTICAL FIBER RIBBONS AND METHODS OF MAKING OPTICAL FIBER RIBBONS - Durable optical fiber ribbons are formed by promoting a strong bond between fiber ink layers and ribbon matrix material. During curing of the ink layer desired oxygen levels are maintained in the curing environment of the manufacturing process. | 11-15-2012 |
20120301092 | MICROBUNDLE OPTICAL CABLE - A microbundle optical cable such as, a riser cable, includes an outer jacket and a plurality of microbundles housed in the outer jacket. At least one of the microbundles includes an optical fiber ribbon enclosed in a microbundle coating. The at least one microbundle includes a longitudinal axis and a cross-section taken on a plane substantially perpendicular to the longitudinal axis. The cross-section may include a first dimension and a second dimension. The first dimension is higher than the second dimension. Therefore, the cross-section shape is an elongated cross shape. | 11-29-2012 |
20120315005 | OPTICAL WAVEGUIDE RIBBON WITH STACK-POSITIONING STRUCTURE - An optical waveguide ribbon includes a base layer integrated with a plurality of parallel optical cores. The optical waveguide ribbon includes a first surface and a second surface opposite to the first surface. The optical cores extend along a length direction and arrange along a width direction. A first positioning portion is exposed on the first surface with a given shape and a second positioning portion is exposed on the second surface and has a positioning dimension in width according to the given shape of the first positioning portion. | 12-13-2012 |
20130022325 | Drop Cable with Fiber Ribbon Conforming to Fiber Passage - A fiber optic cable includes an outer jacket, an optical fiber ribbon, and strength members. The outer jacket has an elongated transverse cross-sectional profile that defines a major axis and a minor axis. The outer jacket also defines a central fiber passage that extends through the outer jacket along a lengthwise axis of the outer jacket. The optical fiber ribbon is positioned within the central fiber passage. The optical fiber ribbon has a flattened width that is larger than the central fiber passage. The optical fiber ribbon curves along the widthwise orientation of the optical fiber ribbon so as to conform generally to an arc defined by a circumference of the central fiber passage. The optical fiber ribbon is arranged in a helical pattern within the central fiber passage. | 01-24-2013 |
20130028562 | Drop Cable with Angled Reinforcing Member Configurations - A fiber optic cable includes an outer jacket, an optical fiber ribbon, and reinforcing member configurations. The outer jacket has an elongated transverse cross-sectional profile that defines a major axis and a minor axis that meet at a lengthwise axis of the fiber optic cable. The outer jacket defines a central fiber passage that extends through the outer jacket along a lengthwise axis of the outer jacket. The optical fiber ribbon is positioned within the central fiber passage. The reinforcing member configurations are positioned within the outer jacket on opposite sides of the central fiber passage. Each of the reinforcing member configurations has a transverse cross-sectional profile that includes first and second legs that are angled relative to one another such that they diverge as the first and second legs extend toward the minor axis. | 01-31-2013 |
20130084047 | FIBER OPTIC RIBBON CABLE HAVING ENHANCED RIBBON STACK COUPLING AND METHODS THEREOF - A fiber optic ribbon cable includes a jacket of the cable, the jacket having a cavity defined therein, an optical element including an optical fiber and extending within the cavity of the jacket, and a dry water-blocking element extending along the optical element within the cavity. The dry water-blocking element is wrapped around the optical element with at least a portion of the dry water-blocking element disposed between another portion of the dry water-blocking element and the optical element, thereby defining an overlapping portion of the dry water-blocking element. The optical element interfaces with the overlapping portion to provide direct or indirect coupling between the optical element and the jacket. | 04-04-2013 |
20130156390 | MANUFACTURING METHOD OF OPTICAL FIBER RIBBON, MANUFACTURING DEVICE FOR OPTICAL FIBER RIBBON IMPLEMENTING SAID MANUFACTURING METHOD, AND OPTICAL FIBER RIBBON MANUFACTURED WITH SAID MANUFACTURING METHOD - A manufacturing method for an optical fiber ribbon, in which: a plurality of optical fibers are arranged in parallel and the neighboring optical fibers are partially coupled with each other at given intervals in a longitudinal direction to form a subunit; and the optical fibers positioned at side edges of the neighboring subunits are partially coupled with each other at a given intervals in the longitudinal direction, includes: sending out the optical fibers in a parallel manner with intervals provided therebetween, applying an uncured resin to the optical fibers, continuously changing positions at which the uncured resin is interrupted by a plurality of interrupt members, and forming coupled portions at which the optical fibers are coupled to each other by irradiating resin curing energy, wherein a moving period or phase of the interrupt members is changed for every arbitrary optical fibers. | 06-20-2013 |
20130279866 | Splittable Optical Fiber Ribbons - A splittable optical fiber ribbon has a decreased propensity for fiber fallout along a longitudinal split. Fibers adjacent to a split location, called border fibers, have increased bond strength between their ink-coating and a surrounding matrix material. The bond strength is increased by first partially curing an ink that covers the border fibers, coating the partially-cured fibers with a matrix material, and then substantially fully curing the ink and the matrix material substantially simultaneously. The ribbon may include one or more grooves to enhance splitting the ribbon into subsets. | 10-24-2013 |
20130322835 | ANGULAR ALIGNMENT OF OPTICAL FIBERS FOR FIBER OPTIC RIBBON CABLES, AND RELATED METHODS - Angular alignment of optical fibers for fiber optic ribbon cables and related methods are disclosed. Employing optical fibers disposed in a ribbon matrix can increase bandwidth between two interconnection points. In one embodiment, optical fibers are angularly aligned during the process of forming a fiber optic ribbon cable. To angularly align the optical fibers, each of the optical fibers include an angular alignment feature to facilitate uniform or substantially uniform angular orientation along a cable when the optical fibers are prepared to be disposed in the ribbon matrix to form a fiber optic ribbon cable. By purposefully aligning the optical fibers during formation of the fiber optic ribbon cable, end portions of the optical fibers are aligned in the ribbon matrix. Thus, end portions of the ribbon matrix are not required to be removed to expose and align the end portions of optical fibers when the ribbon cable is connectorized. | 12-05-2013 |
20130330051 | OPTICAL FIBER - A coated glass fiber | 12-12-2013 |
20140016905 | OPTICAL FIBER RIBBON, METHOD OF MANUFACTURING OPTICAL FIBER RIBBON, AND OPTICAL CABLE - There is provided an optical fiber ribbon capable of realizing, in an optical cable, sure reliability, a reduction in size and weight, higher density, and a further improvement in workability, a method of manufacturing the same, and an optical cable using such an optical fiber ribbon. An optical fiber ribbon | 01-16-2014 |
20140023332 | PLASTIC FIBER RIBBON AND COVER REMOVAL METHOD THEREOF - A plastic fiber ribbon includes a plastic fiber, a buffer layer formed to surround an outer circumference of the plastic fiber, a spacer arranged substantially in parallel with the plastic fiber, and a cover part covering the plastic fiber, the buffer layer, and the spacer. A diameter L of the spacer is set to be larger than an inner diameter L | 01-23-2014 |
20140112631 | MANUFACTURING METHOD OF OPTICAL FIBER RIBBON, AND OPTICAL FIBER RIBBON MANUFACTURED BY THE MANUFACTURING METHOD - It is an object of the present invention to suppress a coating resin from being shaved off in an event where optical fibers are sent out from a coating dice. When a Young's modulus of ultraviolet curable resins | 04-24-2014 |
20140153887 | OPTICAL FIBER CABLES - Cables have reduced freespace, reduced tube diameters, and reduced strength member diameters. The cables are designed to pass robustness testing such as GR-20 while using smaller amounts of raw materials to produce. | 06-05-2014 |
20140193126 | FIBER OPTIC DISTRIBUTION CABLES AND STRUCTURES THEREFOR - Fiber optic distribution cables and methods for manufacturing the same are disclosed. The fiber optic distribution cables present one or more optical fibers outward of the protective covering for distribution of the same toward the subscriber. In one fiber optic distribution cable, a length of distribution optical fiber that is removed from the distribution cable and presented outward of the protective covering is longer than the opening at access location. In another embodiment, a demarcation point is provided for inhibiting the movement (i.e., pistoning) of the distribution optical fiber into and out of the distribution cable. In still another embodiment, an indexing tube is provided for indexing a tether tube within the indexing tube for providing the distribution optical fiber with a suitable excess fiber length. Additionally, other embodiments may include a fiber optic distribution cable having a dry construction and/or a non-round cross-section. | 07-10-2014 |
20140199037 | FIBER OPTIC RIBBON CABLE - A fiber optic ribbon cable includes a stack of fiber optic ribbons, strength members surrounding the stack, and a jacket defining an exterior of the cable. The jacket forms a cavity through which the stack and the strength members extend. The stack has a bend preference, but the strength members are positioned around the stack or are flexible in bending such that the strength members do not have a bend preference. Furthermore, the jacket is structured such that the jacket does not have a bend preference. The cavity is sized relative to the stack in order to allow the stack to bend and twist within the cavity with respect to the jacket as the cable bends, facilitating movement of the optical fibers of the fiber optic ribbons to low-stress positions within the cavity and decoupling the bend preference of the stack from transfer to the jacket. | 07-17-2014 |
20140241679 | POWER CABLE WITH ABILITY TO PROVIDE OPTICAL FIBER UPGRADE - The disclosed power cable enables optical fibers to be installed after the power cable has been installed, thereby forming a hybrid cable. Segments of the power cable are manufactured with fiber installation tubes containing pulling members. When the power cable segments are coupled together, the fiber installation tubes and pulling members also are coupled together to form a fiber installation conduit and an extended pulling member. A fiber pull arrangement can be coupled to the extended pulling member and drawn through the fiber installation conduit within the power cable at any time subsequent to installation of the power cable. | 08-28-2014 |
20140241680 | FIBER OPTIC DISTRIBUTION CABLES AND STRUCTURES THEREFOR - A fiber optic distribution cable includes a jacket defining an exterior of the fiber optic distribution cable and a plurality of optical fibers extending through a cavity of the jacket. The jacket has an access location with a single opening formed in the jacket that extends to the cavity. A distribution optical fiber of the plurality of optical fibers extends through and protrudes from the single opening in the jacket at the access location. The length of the distribution optical fiber is at least 5/4 times the length of the single opening. | 08-28-2014 |
20140301704 | COLORED OPTICAL FIBER, OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE - A colored optical fiber including a glass optical fiber; a primary coating layer that covers the glass optical fiber; a secondary coating layer that covers the primary coating layer; and a colored layer that coats the secondary coating layer. The relaxation modulus after 24 hours at 60° C. of of the layers coated is 140 MPa or less. | 10-09-2014 |
20140328564 | OPTICAL FIBER CABLES - Cables have reduced freespace, reduced tube diameters, and reduced strength member diameters. The cables are designed to pass robustness testing such as GR-20 while using smaller amounts of raw materials to produce. | 11-06-2014 |
20140341519 | MONOLITHIC POLYMER OPTICAL FIBER RIBBON - The present disclosure includes an optical fiber ribbon, using polymer optical fibers and an extremely thin adhesive coating to provide adhesion between the fibers. The external surfaces of the optical fiber ribbons are precisely placed with respect to the optical cores of the constituent fibers, and the optical cores of the fibers are precisely placed with respect to each other. Therefore, the external surface of the ribbon is used as a reference surface for aligning the array of optical fiber cores to arrays of optical emitters or detectors at the ends of the ribbon. Thus, the optical fiber ribbon of the present disclosure is cut, either by a sharp blade or other tool as suitable to expose a cross-section of the ribbon, and inserted as a single unit into a receptacle that aligns the outer surface of the ribbon with respect to the array of optical emitters or detectors. | 11-20-2014 |
20140369657 | DURABLE OPTICAL FIBER AND CONNECTOR ASSEMBLY - An optical fiber assembly including an optical fiber ribbon and an optical connector is provided. The optical fiber ribbon includes a ribbon matrix, a first group of optical fibers embedded in the ribbon matrix, a second group of optical fibers embedded in the ribbon matrix, and a split in the ribbon matrix at a first end of the ribbon forming a space between a first end of the first group of optical fibers and a first end of the second group of optical fibers. The optical connector includes a body, a first array of openings defined in the body, and a second array of openings defined in the body. The second array is spaced from the first array. The bond between the ribbon matrix and the optical fibers prevents elongation of the split. | 12-18-2014 |
20150023641 | OPTICAL FIBER CABLE WITH PRINT PROTECTIVE OUTER SURFACE PROFILE - An optical communication cable includes a cable body having an outer surface, an inner surface, a channel defined by the inner surface and a longitudinal axis extending through the center of the channel. The outer surface of the cable body defines a profile feature such that the outer surface at the profile feature is asymmetric about the longitudinal axis. The profile feature having at least two peaks and at least one trough between the peaks, and the profile feature extends axially along at least a portion of the length of the outer surface of the cable body. The cable includes an optical transmission element located in the channel, and an ink layer positioned along an outer surface of the trough of the profile feature. The peaks are configured to limit contact of the ink layer with surfaces during installation and thereby act to protect the ink layer from abrasion. | 01-22-2015 |
20150030296 | OPTICAL FIBER RIBBON - An optical fiber ribbon | 01-29-2015 |
20150030297 | FIBER OPTIC RIBBON - A fiber optic ribbon includes optical fibers, each including a core surrounded by cladding, and edge bonding rigidly connecting the optical fibers to one. The ribbon further includes a stress-isolation layer surrounding the optical fibers and edge bonding, and a hardened shell surrounding the stress-isolation layer. The edge bonding mitigates independent movement of the optical fibers relative to one another within the stress-isolation layer. At 25° Celsius and at sea level, the Young's modulus of elasticity of the hardened shell is, on average, at least twice that of the stress-isolation layer. Accordingly, the hardened shell mitigates damage to the stress-isolation layer from external sources of wear, the stress-isolation layer cushions the optical fibers relative to external sources of stress and provides some flexibility to the optical fibers within the hardened shell, and the edge bonding mitigates attenuation of the optical fibers associated with fiber-on-fiber loading internal to the stress-isolation layer. | 01-29-2015 |
20150049997 | OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE HOUSING THE OPTICAL FIBER RIBBON - Provided is an optical fiber ribbon capable of concurrently ensuring mid-span access performance and cable production performance. The optical fiber ribbon | 02-19-2015 |
20150104137 | DURABLE OPTICAL FIBER RIBBONS AND METHODS OF MAKING OPTICAL FIBER RIBBONS - Durable optical fiber ribbons are formed by promoting a strong bond between fiber ink layers and ribbon matrix material. During curing of the ink layer desired oxygen levels are maintained in the curing environment of the manufacturing process. | 04-16-2015 |
20150125121 | OPTICAL FIBER CABLES - Cables have reduced freespace, reduced tube diameters, and reduced strength member diameters. The cables are designed to pass robustness testing such as GR-20 while using smaller amounts of raw materials to produce. | 05-07-2015 |
20150293325 | COATED OPTICAL FIBER, OPTICAL FIBER RIBBON, AND OPTICAL CABLE - The purpose of the present invention is to provide, by a configuration or method different from conventional art, a coated optical fiber enabling reduced interface delamination between a glass fiber and a primary coating layer when the coated optical fiber is immersed in water, and a reduction of transmission loss increase. A coated optical fiber according to one embodiment of the present invention is provided with a glass fiber, a primary coating layer coated on the glass fiber, a secondary coating layer coated on the primary coating layer, and a colored layer coated on the secondary coating layer. The coated optical fiber is configured so that small water bubbles are generated substantially evenly within the primary coating layer when the coated optical fiber is immersed for 200 days in warm water of 60° C. | 10-15-2015 |
20150309274 | FIBER OPTIC RIBBON CABLE - A fiber optic ribbon cable includes a fiber optic ribbon or stack of ribbons, strength members surrounding the ribbon or stack, and a jacket defining an exterior of the cable. The jacket forms a cavity through which the strength members and the ribbon or stack extend. The ribbon or stack has a bend preference, but the strength members are flexible and do not have a bend preference. Furthermore, the jacket is structured such that the jacket does not have a bend preference. The cavity is sized relative to the ribbon or stack in order to allow the same to bend and twist within the cavity with respect to the jacket as the cable bends, facilitating movement of the corresponding optical fibers to low-stress positions within the cavity and decoupling the bend preference of the ribbon or stack from transfer to the jacket. | 10-29-2015 |
20150346445 | FIBER OPTIC RIBBON CABLE AND RIBBON - A fiber optic ribbon cable includes a jacket having a cavity and a stack of fiber optic ribbons in the cavity. Each of the fiber optic ribbons includes optical fibers arranged side-by-side with one another and bound to one another with a common matrix in bound sections of the respective fiber optic ribbon. Each fiber optic ribbon additionally has loose sections thereof where the optical fibers of the respective fiber optic ribbon are loose and unbound. The bound sections are spaced apart from one another and separated from one another by the loose sections, while matrix of each of the bound sections contiguously extends across each of the optical fibers of the fiber optic ribbon. Bound sections of adjoining fiber optic ribbons of the stack are at least partially non-overlapping one another as arranged in the stack, which facilitates flexibility and compactness of the stack. | 12-03-2015 |
20150370029 | FIBER CABLE FAN-OUT ASSEMBLY AND METHOD - One aspect of the present disclosure relates to a multi-fiber cable assembly including a multi-fiber cable. The multi-fiber cable includes a block of optical fiber ribbons, the block having an external profile; a strength layer surrounding the optical fiber ribbons; a jacket surrounding the strength layer; and a fan-out arrangement disposed at a first end of the multi-fiber cable. The fan-out arrangement includes an outer shell extending from a first end to a second end, the outer shell including a first interior mounting location spaced axially from a second interior mounting location; an orientation plug defining a longitudinal through-passage through which the block of optical fiber ribbons extends, the through-passage having an internal profile that inhibits rotation of the block of optical fiber ribbons, the orientation plug including a keying arrangement that axially and rotationally fixes the orientation plug to the outer shell at the first interior mounting location; and a furcation tube assembly axially and rotationally fixed to the outer shell at the second interior mounting location, the furcation tube assembly includes a plurality of furcation tube arrangements mounted to an organizer | 12-24-2015 |
20160018613 | FIBER OPTIC RIBBON CABLE HAVING ENHANCED RIBBON STACK COUPLING AND METHODS THEREOF - A fiber optic ribbon cable includes a jacket of the cable, the jacket having a cavity defined therein, an optical element including an optical fiber and extending within the cavity of the jacket, and a dry water-blocking element extending along the optical element within the cavity. The dry water-blocking element is wrapped around the optical element with at least a portion of the dry water-blocking element disposed between another portion of the dry water-blocking element and the optical element, thereby defining an overlapping portion of the dry water-blocking element. The optical element interfaces with the overlapping portion to provide direct or indirect coupling between the optical element and the jacket. | 01-21-2016 |
20160070079 | OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE - An optical fiber ribbon includes a plurality of optical fiber cores arranged in parallel spaced from each other; and a tape forming member having a coating portion covering an outer circumference of the optical fiber cores, and a coupling portion, integrally formed with the coating portion, intermittently coupling adjacent optical fiber cores, wherein the coating portion has an opening portion to expose a part of surfaces of the optical fiber cores, and at least a part of the coating portion is continuous in a longitudinal direction of the optical fiber cores. | 03-10-2016 |
20160161692 | OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE HOUSING OPTICAL FIBER RIBBON - Provided is an optical fiber ribbon capable of achieving higher density and reduction in diameter and accurately placing optical fibers in V-shape grooves in a fusion machine without failure. The optical fiber ribbon | 06-09-2016 |
20160377802 | OPTICAL FIBER AND OPTICAL FIBER RIBBON - An optical fiber comprises a glass fiber including a core and a cladding surrounding the core, a non-strippable resin layer that adheres to and covers a surface of the glass fiber, and a buffer layer that covers the non-strippable resin layer, when pullout force measurement in which a length of 10 mm of each of the glass fiber and the non-strippable resin layer is pulled out at a tensile speed of 5 mm/min from the buffer layer is performed, a pullout force at 23° C. is 1.0 kg or less and a pullout force at 95° C. is 0.50 kg or less. | 12-29-2016 |