Particular Fiber Orientation (e.g., Helically Wound, Etc.) Patents (Class 385/104)
-
Patent number: 8422843Abstract: A multi-fiber cable assembly includes a plurality of optical fibers and at least two fiber grouping members disposed in a reverse double helical configuration about the plurality of optical fibers. An outer jacket surrounds the fiber grouping members and the plurality of optical fibers.Type: GrantFiled: March 26, 2009Date of Patent: April 16, 2013Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
-
Patent number: 8412012Abstract: 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.Type: GrantFiled: December 16, 2011Date of Patent: April 2, 2013Assignee: OFS Fitel, LLCInventors: Stefan Jost, Elmar Staudinger, Peter A. Weimann
-
Publication number: 20130058614Abstract: Discrete bands (60) are applied to switchback regions (50) of stranded cable cores (10) to secure the stranded tubes (20) prior to jacketing. The bands (60) obviate the need for complex processes such as the application of binder threads.Type: ApplicationFiled: October 31, 2012Publication date: March 7, 2013Inventors: Michael John Gimblet, Julian Latelle Greenwood, III, Richard Steven Wagman
-
Patent number: 8391663Abstract: A rack cabling system including a rack having mounted thereon a first hardware component and a patch panel housing mounted on the rack adjacent the first hardware component. The patch panel housing populates no more than a three rack unit (RU space), the patch panel housing including a front end having cable pathway openings and a rear end having connector coupler plates mounted therein. The patch panel may have a first cable pathway opening located adjacent the first side of the housing and defining a primary position and a first connector coupler plate mounted on the rear adjacent on the first side and the first connector plate having a first position corresponding to the primary position of the first cable pathway opening. Cable harnesses are routed with less than three bends of the cables between the first hardware component and the patch panel housing, so that the first cable harness is terminated at the first coupler plate in the first position.Type: GrantFiled: May 24, 2011Date of Patent: March 5, 2013Assignee: Methode Electronics, Inc.Inventors: Michael R. Carter, David E. Hildreth, Tyler M. Miller, Robert C. Neumann
-
Patent number: 8388242Abstract: A fiber optic cable assembly includes a connector and a fiber optic cable. The connector includes a housing having a first axial end and an oppositely disposed second axial end. A ferrule is disposed in the housing. A plurality of optical fibers is mounted in the ferrule. The fiber optic cable includes an outer jacket defining a fiber passage that extends longitudinally through the outer jacket and a window that extends through the outer jacket and the fiber passage. First and second strength members are oppositely disposed about the fiber passage in the outer jacket. A plurality of optical fibers is disposed in the fiber passage. The optical fibers are joined at splices to the optical fibers of the connector. A splice sleeve is disposed over the splices. The splice sleeve is disposed in the window of the outer jacket.Type: GrantFiled: May 19, 2011Date of Patent: March 5, 2013Assignee: ADC Telecommunications, Inc.Inventors: Wayne M. Kachmar, Ronald J. Kleckowski
-
Patent number: 8380029Abstract: Fiber optic cable furcation methods and assemblies are disclosed, wherein the method includes removing an end portion of the cable outer jacket from the fiber optic cable to expose end portions of the micromodules contained within. The method also includes helically stranding the exposed micromodule end portions to form a stranded section having a stranded configuration that includes at least three turns and that substantially immobilizes the optical fibers within their respective micromodules. The method also includes arranging a maintaining member on at least a portion of the stranded section to maintain the stranded configuration.Type: GrantFiled: June 29, 2010Date of Patent: February 19, 2013Assignee: Corning Cable Systems LLCInventors: Timothy S. Cline, William C. Hurley, Eric R. Logan
-
Patent number: 8380030Abstract: A bend-insensitive optical cable for transmitting optical signals includes an optical cable having a length, extending from an input end adapted to receive the optical signals, to an output end and including at least one single-mode optical fiber having a cable cut-off wavelength, of 1290 nm to 1650 nm. The at least one optical fiber is helically twisted around a longitudinal axis with a twisting pitch, for a twisted length, extending along at least a portion of the length, of the optical cable, wherein the twisted length and the twisting pitch are selected such that the optical cable exhibits a measured cut-off wavelength equal to or lower than 1260 nm. Preferably, the at least one fiber has a mode-field diameter of 8.6 ?m to 9.5 ?m. According to a preferred embodiment, the optical cable includes two optical fibers twisted together along the longitudinal axis, each of the two optical fibers having a cable cut-off wavelength of 1290 nm to 1650 nm.Type: GrantFiled: November 7, 2008Date of Patent: February 19, 2013Assignee: Prysmian S.p.A.Inventors: Marco Ruzzier, Francesco Sartori, Enrico Consonni, Daniele Cuomo
-
Patent number: 8374471Abstract: A cable, comprising a cylindrical cable wall (2) surrounding a hollow cable inner space (3), wherein the cable (1) is provided with at least one signal conductor (5), for instance glass fiber and/or glass fiber bundle, wherein, in a first position, the signal conductor (5) extends substantially in the cable inner space (3) and over a particular distance along the cable wall (2), along an at least partly curved path, such that a length of the signal conductor (5) is larger than a length of the cable wall (2).Type: GrantFiled: May 30, 2008Date of Patent: February 12, 2013Assignee: Draka Comteq B.V.Inventor: Willem Griffioen
-
Patent number: 8369667Abstract: 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.Type: GrantFiled: May 22, 2009Date of Patent: February 5, 2013Assignee: Halliburton Energy Services, Inc.Inventor: Lawrence Charles Rose
-
Patent number: 8363994Abstract: A fiber optic cable assembly includes an outer jacket defining a first passage and a second passage disposed adjacent to the first passage. The outer jacket includes a wall disposed between an outer surface of the outer jacket and the first passage. A plurality of optical fibers is disposed in the first passage. A reinforcing member is disposed in the second passage. An access member is disposed in the wall of the outer jacket.Type: GrantFiled: March 2, 2011Date of Patent: January 29, 2013Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
-
Patent number: 8335418Abstract: 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.Type: GrantFiled: June 12, 2012Date of Patent: December 18, 2012Assignee: Corning Cable Systems LLCInventor: William C. Hurley
-
Patent number: 8335417Abstract: A crush-resistant fiber optic cable is disclosed, wherein the cable includes a plurality of bend-resistant multimode optical fibers. The fibers are generally arranged longitudinally about a central axis, with no strength member arranged along the central axis. A tensile-strength layer surrounds the plurality of bend-resistant optical fibers. A protective cover surrounds the tensile-strength layer and has an outside diameter DO in the range 3 mm?DO?5 mm.Type: GrantFiled: September 23, 2010Date of Patent: December 18, 2012Assignee: Corning Cable Systems LLCInventor: James A. Register, III
-
Patent number: 8295665Abstract: Provided is a method of manufacturing a downhole cable, the method including, forming a helical shape in an outer circumferential surface of a metal tube, the metal tube having a fiber element housed therein, and stranding a copper element in a helical space formed by the metallic tube. Also provided is a downhole cable including, a metallic tube having a helical space in an outer circumferential surface thereof, wherein the metallic tube has a fiber element housed therein, and a copper element disposed in a helical space formed by the steel tube. Double-tube and multi-tube configurations of the downhole cable are also provided.Type: GrantFiled: August 29, 2007Date of Patent: October 23, 2012Assignee: AFL Telecommunications LLCInventor: Brian Herbst
-
Patent number: 8290320Abstract: An example fiber optic cable includes an outer jacket having an elongated transverse cross-sectional profile defining a major axis and a minor axis. The transverse cross-sectional profile has a maximum width that extends along the major axis and a maximum thickness that extends along the minor axis. The maximum width of the transverse cross-sectional profile is longer than the maximum thickness of the transverse cross-sectional profile. The outer jacket also defines first and second separate passages that extend through the outer jacket along a lengthwise axis of the outer jacket. The second passage has a transverse cross-sectional profile that is elongated in an orientation extending along the major axis of the outer jacket. The fiber optic cable also includes a plurality of optical fibers positioned within the first passage a tensile strength member positioned within the second passage.Type: GrantFiled: September 27, 2011Date of Patent: October 16, 2012Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
-
Patent number: 8285094Abstract: The multicore fiber comprises 7 or more cores, wherein diameters of the adjacent cores differ from one another, wherein each of the cores performs single-mode propagation, wherein a relative refractive index difference of each of the cores is less than 1.4%, wherein a distance between the adjacent cores is less than 50 ?m, wherein, in a case where a transmission wavelength of each of the cores is ?, the distance between the adjacent cores is , a mode field diameter of each of the cores is MFD, and a theoretical cutoff wavelength of each of the cores is ?c, (/MFD)·(2?c/(?c+?))?3.95 is satisfied, and wherein a distance between the outer circumference of the coreand an outer circumference of the clad is 2.5 or higher times as long as the mode field diameter of each of the cores.Type: GrantFiled: February 23, 2012Date of Patent: October 9, 2012Assignee: Fujikura Ltd.Inventors: Katsuhiro Takenaga, Ning Guan, Syouji Tanigawa
-
Patent number: 8275225Abstract: A method for installing a fiber optic cable assembly includes providing a fiber optic cable assembly. The fiber optic cable assembly includes a first jacket, a strength layer, and a second jacket. The strength layer surrounds the first jacket and includes a first set of strength members helically wrapped around the first jacket and a second set of strength members reverse helically wrapped around the first jacket. The first and second sets of strength members are unbraided. The method further includes routing the fiber optic cable assembly from a fiber optic enclosure to an end location. A portion of the second jacket at an end of the fiber optic cable assembly is split. The portion of the second jacket is removed.Type: GrantFiled: May 27, 2009Date of Patent: September 25, 2012Assignee: ADC Telecommunications, Inc.Inventors: Wayne M. Kachmar, Thomas G. LeBlanc, Ronald J. Kleckowski
-
Patent number: 8270793Abstract: A power umbilical is shown that comprises a number of power cables (4) to transfer large amounts of electric power, optionally electric wires and/or optical conductors (5), filler material (2, 3) in the form of rigid elongated plastic elements that are located at least partially around and between the power cables (4) and the optional wires/conductors (5), and they are collectively gathered in a twisted bundle by means of a laying operation. A protective jacket (1) encompasses the power cables (4), the optional wires/conductors (5), the filler material (2, 3), and at least one load carrying element (6) predetermined located in the cross section of the power umbilical. The power cables (4), the optional wires/conductors (5), the filler material (2, 3) and the at least one load carrying element (6), are alternately laid, i.e. by continuously alternating direction, in the entire or part of the longitudinal extension of the power umbilical.Type: GrantFiled: December 14, 2007Date of Patent: September 18, 2012Assignee: Aker Subsea ASInventors: Arild Figenschou, Finn Peter Gjerull
-
Patent number: 8238706Abstract: An example fiber optic cable includes an outer jacket having an elongated transverse cross-sectional profile defining a bowtie shape. The outer jacket defines at least first and second separate passages that extend through the outer jacket along a lengthwise axis of the outer jacket. The fiber optic cable includes a plurality of optical fibers positioned within the first passage and a tensile strength member positioned within the second passage. The tensile strength member has a highly flexible construction and a transverse cross-sectional profile that is elongated in the orientation extending along the major axis.Type: GrantFiled: May 19, 2011Date of Patent: August 7, 2012Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
-
Patent number: 8224140Abstract: 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.Type: GrantFiled: December 11, 2009Date of Patent: July 17, 2012Assignee: Corning Cable Systems LLCInventor: William C. Hurley
-
Patent number: 8184935Abstract: The present disclosure relates to a fiber optic cable including an outer jacket having an elongated transverse cross-sectional profile defining a major axis and a minor axis. The transverse cross-sectional profile has a maximum width that extends along the major axis and a maximum thickness that extends along the minor axis. The maximum width of the transverse cross-sectional profile is longer than the maximum thickness of the transverse cross-sectional profile. The outer jacket also defines first, second and third separate passages that extend through the outer jacket along a lengthwise axis of the outer jacket. The third passage has a transverse cross-sectional profile that is elongated in an orientation extending along the major axis of the outer jacket. The first, second and third passages are generally aligned along the major axis with the third passage being positioned between the first and second passages.Type: GrantFiled: October 21, 2010Date of Patent: May 22, 2012Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
-
Patent number: 8184175Abstract: A system and method for detecting a camera. In one embodiment, although not limited thereto, an illuminator illuminates an area of interest. A camera then takes multiple pictures of the illuminated area and an algorithm is then used to compare the pictures and locate and pirate cameras based on the reflection characteristics.Type: GrantFiled: August 21, 2009Date of Patent: May 22, 2012Assignee: FPSI, Inc.Inventors: Gregory Mooradian, Sam Rindskopf, Tudor Thomas, Brian Yates, Adam Petersen, Michael Mooradian
-
Patent number: 8145021Abstract: Disclosed is a cable for use in a concentrating photovoltaic module. The cable includes at least one strand wrapped with an optically pervious or reflective sheath. The pervious sheath is made of a material that exhibits a penetration rate of 90% and survives a temperature of at least 140 degrees Celsius. The reflective sheath is made of a material that exhibits a reflection rate of 95% and survives a temperature of at least 140 degrees Celsius. The cable is used to connect an anode of the concentrating photovoltaic module to a cathode of the same. The material of the reflective sheath may be isolating.Type: GrantFiled: January 13, 2010Date of Patent: March 27, 2012Assignee: Atomic Energy Council-Institute of Nuclear ResearchInventors: Yi-Ping Liang, Kuo-Hsin Lin, Hwen-Fen Hong, Hwa-Yuh Shin, Cherng-Tsong Kuo
-
Publication number: 20120063731Abstract: An optical fiber cable for bundled drop applications has a plurality of optical fiber sub-units stranded together in an S-Z lay configuration and a jacket surrounding and holding the sub-units in the S-Z configuration without assistance from binder threads. The jacket contacts at least some of the sub-units and has one, but preferably at least two, longitudinally disposed grooves on an external surface. With at least two grooves, the sub-units are accessed by bending the cable until the jacket buckles between the grooves, cutting the jacket at the buckle, and peeling back a portion of the jacket longitudinally between the grooves.Type: ApplicationFiled: September 10, 2010Publication date: March 15, 2012Inventors: Jonathan Gerald Fitz, Ben H. Wells, Mauricio Silva
-
Publication number: 20120063732Abstract: Embodiments of the present disclosure disclose an optical cable and an optical cable system, where the optical cable includes an SZ-shaped optical cable skeleton and a plurality of optical fiber units. Skeleton slots is recessed in a periphery of the optical cable skeleton, and the plurality of optical fiber units is grouped and respectively disposed in the corresponding skeleton slots, thereby having the advantages of being easy to strip and draw, high reliability, and long lifetime. Moreover, the optical fiber does not need to be connected when being diverged on floors during installation, thereby reducing the fusion splicing/termination connection time, simplifying the optical cable wiring, greatly reducing deployment cost of an Optical Distribution Network (ODN), and speeding up the scale deployment of the FTTX ODN; in addition, interference among the optical fibers is avoided when the optical fibers are drawn, thereby increasing reliability of the optical fibers after installation.Type: ApplicationFiled: November 18, 2011Publication date: March 15, 2012Applicant: Huawei Technologies Co., Ltd.Inventors: Wenxin Wu, De Li, Jun Zhao, Yunsheng Wen, Yanhua Xiong
-
Patent number: 8107781Abstract: A fiber optic cable assembly includes an optical fiber, a strength layer surrounding the optical fiber and an outer jacket surrounding the strength layer. The outer jacket includes a base material having a Shore D Hardness of at least 85 and liquid crystal polymer embedded in the base material. The liquid crystal polymer constitutes less than 2% of the outer jacket by weight.Type: GrantFiled: November 19, 2010Date of Patent: January 31, 2012Assignee: ADC Telecommunications, Inc.Inventors: Wayne M. Kachmar, Ronald J. Kleckowski
-
Patent number: 8059929Abstract: Fiber optic distribution cables and methods for manufacturing the same are disclosed. The methods present one or more optical fibers outward of the protective covering for distribution of the same toward the subscriber. Specifically, the methods include presenting a length of distribution optical fiber outward of the protective covering that is longer than the opening at access location. After the opening is made in the protective covering at the access location, the optical fibers for distribution are selected. Then a tool according to the present invention is positioned about the optical fibers selected for distribution and slid within the protective covering of the fiber optic distribution cable until it reaches a cutting location within the fiber optic distribution cable. Consequently, the tool is positioned for cutting the distribution optical fiber at a cutting location within the fiber optic distribution cable at a downstream location.Type: GrantFiled: August 3, 2009Date of Patent: November 15, 2011Assignee: Corning Cable Systems LLCInventors: Joseph T. Cody, Dennis M. Knecht, Christopher Paul Lewallen, James P. Luther
-
Patent number: 8041166Abstract: The present disclosure relates to a fiber optic cable including an outer jacket having an elongated transverse cross-sectional profile defining a major axis and a minor axis. The transverse cross-sectional profile has a maximum width that extends along the major axis and a maximum thickness that extends along the minor axis. The maximum width of the transverse cross-sectional profile is longer than the maximum thickness of the transverse cross-sectional profile. The outer jacket also defines first and second separate passages that extend through the outer jacket along a lengthwise axis of the outer jacket. The second passage has a transverse cross-sectional profile that is elongated in an orientation extending along the major axis of the outer jacket. The fiber optic cable also includes a plurality of optical fibers positioned within the first passage a tensile strength member positioned within the second passage.Type: GrantFiled: October 28, 2009Date of Patent: October 18, 2011Assignee: ADC Telecommunications, Inc.Inventor: Wayne M. Kachmar
-
Patent number: 8031996Abstract: A method for making a flexible fibrous continuous tape containing 60 to 98 wt % fiber based on the weight of the tape, from multifilament yarn selected from aramid, glass, aromatic polyester, and rigid rod polymer, comprising the steps: a1) spreading the filaments of the yarn to obtain a filament layer having a cross sectional aspect ratio (w/h) of 2 to 2000; and b1) treating the spread filaments with a curable resin, or a liquid thermoplastic resin or wax; or a2) treating the yarn with the curable resin, or the liquid thermoplastic resin or wax; and b2) spreading the filaments of the yarn to obtain a filament layer having a cross sectional aspect ratio (w/h) of 2 to 2000; followed by c) fixating the filaments by curing or solidifying the resin to obtain the tape, wherein steps a1-b1, respectively a2-b2, and c are performed in-line.Type: GrantFiled: November 26, 2008Date of Patent: October 4, 2011Assignee: Teijin Aramid B.V.Inventors: Stef Willemsen, Peter Gerard Akker, Huibert Cornelis Kwint, Adrianus Johannus Wilhelmus Van Haren
-
Publication number: 20110229099Abstract: A fiber optic cable includes a strain element including a first optical fiber and an optical element including a second optical fiber. The optical element is compliantly coupled with the strain element to transfer a portion of strain experienced by the strain element to the optical element. A fiber optic cable includes a strain transfer member, a central optical fiber disposed through the strain transfer member, and a tight jacket mechanically coupling the central optical fiber and the strain transfer member. The fiber optic cable further includes a compliant layer disposed about and affixed to the strain transfer member; a peripheral optical fiber disposed in the compliant layer, such that a portion of the strain experienced by the strain transfer member is transferred to the peripheral optical fiber via the compliant layer; and a protective cover disposed about the compliant layer.Type: ApplicationFiled: February 22, 2007Publication date: September 22, 2011Applicants: SCHLUMBERGER TECHNOLOGY CORPORATION, BP EXPLORATION OPERATING COMPANY LIMITEDInventors: Arthur H. Hartog, Andrew P. Strong
-
Patent number: 8023786Abstract: In order to improve a cable, comprising an inner cable body, in which at least one conductor strand of an optical and/or electrical conductor runs in the longitudinal direction of the cable, an outer cable sheath, enclosing the inner cable body and lying between an outer sheath surface of the cable and the inner cable body, and at least one information carrier unit, disposed within the outer sheath surface of the cable such that the cable also comprises a shielding, the invention proposes that the information carrier unit having an antenna unit lying in an antenna surface running approximately parallel to the longitudinal direction of the cable, by the antenna surface running at a distance from an electrical shielding of the cable and by providing, between the antenna surface and the shielding, a spacing layer, in which the electromagnetic field that couples to the antenna unit and passes through the antenna surface can extend between the antenna unit and the shielding.Type: GrantFiled: November 6, 2009Date of Patent: September 20, 2011Assignee: Lapp Engineering & Co.Inventor: Siegbert Lapp
-
Publication number: 20110211793Abstract: Fiber optic assemblies include subunit cables wrapped in binders. The assemblies have small cross sections and low bend radii while maintaining acceptable attenuation losses. SZ stranding of the subunit cables allows ease of access to the individual cables during installation.Type: ApplicationFiled: April 6, 2011Publication date: September 1, 2011Inventors: Louis A. Barrett, Gerry J. Harvey, Harold E. Hudson, II, Eric R. Logan
-
Patent number: 8000573Abstract: Generic tow lead-in for streamers providing communication between the seismic systems and the streamers, consisting of at least four wire power quad, at least four multimode optical fibers and at least one signal pair, where the at least one signal line do not utilize a screen.Type: GrantFiled: August 15, 2005Date of Patent: August 16, 2011Inventor: Phil Roscoe
-
Patent number: 7995885Abstract: A fiber optic cable having at least one optical fiber such as a micro structured bend performance optical fiber disposed within a protective covering. The protective covering is highly flexible and the fiber optic cable has extremely low delta attenuation when aggressively bent compared with the conventional fiber optic cable designs. By way of example, the delta attenuation of one fiber optic cable design is about 0.33 dB or less when wrapped 3 turns about a 7.5 millimeter mandrel at a reference wavelength of 1625 nanometers.Type: GrantFiled: January 12, 2010Date of Patent: August 9, 2011Assignee: Corning Cable Systems LLCInventor: James A. Register
-
Publication number: 20110188819Abstract: An assembly of fiber optic elements includes at least two subunits, each of which has at least one fiber optic unit and a flat binder wrapped over the subunits into an arrangement. The at least two subunits are stranded in a SZ arrangement at a first lay length and the binder is stranded over the subunits in a uni-directional helical lay at a second lay length. The payoff tension and the first lay length of the subunits, combined with a payoff tension and the second lay length of the binder are simultaneously sufficient to hold the subunits within the arrangement, while being loose enough to allow a single subunit to be removed without destroying the arrangement.Type: ApplicationFiled: July 30, 2010Publication date: August 4, 2011Inventors: David Keller, Randie Yoder, Terry Gooch
-
Patent number: 7920765Abstract: Disclosed are wellbore electric cable components, methods of manufacturing such components, and cables incorporating the components. Particularly, ruggedized optical fibers useful for forming slickline electric cables are described. The ruggedized optical fiber components contain one or more coated optical fibers, metallic conductors, non-fiber-reinforced resins, and long-fiber-reinforced resins. The optical fiber(s) are generally positioned in the center of the component, while the metallic conductors are helically disposed around the metallic conductors. The long-fiber-reinforced resin forms an outer jacket around the combination of optical fibers and metallic conductors. A non-fiber-reinforced resin is disposed directly upon the metallic conductors, between the conductors and long-fiber-reinforced resin.Type: GrantFiled: April 11, 2006Date of Patent: April 5, 2011Assignee: Schlumberger Technology CorporationInventor: Joseph Varkey
-
Patent number: 7840105Abstract: A fiber optic towed array is provided. The array includes a flexible core upon which is disposed a semi-rigid mandrel. The semi-rigid mandrel has a helical groove formed therein, in which is disposed an optical fiber, the optical fiber including a plurality of fiber gratings. The mandrel is in turn covered with a nylon or fiber screen and encased in a layer of open cell foam, which is encased in a protective covering that includes at least one strength member disposed along a longitudinal axis of the array.Type: GrantFiled: December 11, 2006Date of Patent: November 23, 2010Assignee: Sabeus, Inc.Inventors: Eric Lee Goldner, Fred Demetz
-
Patent number: 7783147Abstract: An optical fiber drop cable for suspension installation includes electrical conductors and at least one optical fiber. An electrically non-conductive reinforcing sleeve houses the conductors and the or each optical fiber. The reinforcing sleeve is housed in sheathing. In addition to or instead of the optical fiber or optical fibers, the reinforcing sleeve may house one or more elongate containers, preferably plastic tubes, for housing optical fibers.Type: GrantFiled: November 15, 2002Date of Patent: August 24, 2010Assignee: Prysmian Cables & Systems LimitedInventors: Ralph Sutehall, Martin Vincent Davies
-
Patent number: 7755027Abstract: The invention consists of a secure data transmission cable for electronically transmitting secure data between remote locations in an exposed condition. The data transmission cable comprises a tubular outer protective layer, an inner core disposed within the outer protective layer, a data transmission line carried within the inner core for transmitting secure data between the remote locations, and a fiber optic sensor line included in the outer protective layer for detecting unauthorized activity relative to the transmission line. The fiber optic data transmission line comprises a plurality of optical fibers for transmitting data between remote locations and for detecting unauthorized activity relative to the transmission line. A protective casing surrounds the data transmission line for protecting the fiber optic data transmission line from contacting the outer protective layer. An outer protective casing braided around the core in which the sensor line is enclosed provides strength to the cable.Type: GrantFiled: October 22, 2007Date of Patent: July 13, 2010Assignee: Woven Electronics, LLCInventors: Thomas E. Browning, Jr., Douglas E. Piper, Sr., Mary H. Owens, Marko N. Veil
-
Patent number: 7706640Abstract: A telecommunication fiber optic cable for gas pipeline application has a built-in leakage detecting device. The cable has an optical core including a number of telecommunication optical fibers, an outer jacket covering the optical core, and one or more gas leakage detector optical fibers. One or more gas leakage detector optical fibers are enclosed within the outer jacket. Preferably, the cable has a linearly extending rod reinforcing system having strength rods that force the cable to bend in a preferential bending place. Preferably, the leakage detector optical fibers are located at, or close to, a plane that is substantially orthogonal to the preferential bending plane and passing through the cable neutral axis.Type: GrantFiled: October 23, 2003Date of Patent: April 27, 2010Assignee: Prysmian Cavi E Sistemi Energia S.R.L.Inventors: Massimo Pizzorno, Alessandro Ginocchio, Mauro Maritano
-
Publication number: 20100098388Abstract: 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.Type: ApplicationFiled: December 21, 2009Publication date: April 22, 2010Applicant: DRAKA COMTEQ B.V.Inventors: Don Parris, Greg DeChristopher, Justin Elisha Quinn
-
Patent number: 7693374Abstract: Fiber optic distribution cables and methods for manufacturing the same are disclosed. The methods present one or more optical fibers outward of the protective covering for distribution of the same toward the subscriber. Specifically, the methods include presenting a length of distribution optical fiber outward of the protective covering that is longer than the opening at access location. After the opening is made in the protective covering at the access location, the optical fibers for distribution are selected. Then a tool according to the present invention is positioned about the optical fibers selected for distribution and slid within the protective covering of the fiber optic distribution cable until it reaches a cutting location within the fiber optic distribution cable. Consequently, the tool is positioned for cutting the distribution optical fiber at a cutting location within the fiber optic distribution cable at a downstream location.Type: GrantFiled: May 11, 2006Date of Patent: April 6, 2010Assignee: Corning Cable Systems LLCInventors: Joseph T. Cody, Dennis M. Knecht, Christopher Paul Lewallen, James P. Luther
-
Patent number: 7668427Abstract: A fiber optic cable having at least one optical fiber such as a microstructured bend performance optical fiber disposed within a protective covering. The protective covering is highly flexible and the fiber optic cable has extremely low delta attenuation when aggressively bent compared with the conventional fiber optic cable designs. By way of example, the delta attenuation of one fiber optic cable design is about 0.33 dB or less when wrapped 3 turns about a 7.5 millimeter mandrel at a reference wavelength of 1625 nanometers. Other variations of the present invention include a connector attached to the fiber optic cable.Type: GrantFiled: May 30, 2008Date of Patent: February 23, 2010Assignee: Corning Cable Systems LLCInventor: James A. Register
-
Publication number: 20090324181Abstract: A fiber optic cable assembly includes an inner cable assembly. The inner cable assembly includes an optical fiber, a first strength layer surrounding the optical fiber and a first jacket surrounding the strength layer. A second strength layer surrounds the inner cable assembly. The second strength layer includes a first set of strength members and a second set of strength members. The first and second sets of strength members are unbraided. A second jacket surrounds the second strength layer.Type: ApplicationFiled: May 27, 2009Publication date: December 31, 2009Applicant: ADC Telecommunications, Inc.Inventors: Wayne M. Kachmar, Thomas G. LeBlanc, Ronald J. Kleckowski
-
Publication number: 20090324182Abstract: A method for installing a fiber optic cable assembly includes providing a fiber optic cable assembly. The fiber optic cable assembly includes a first jacket, a strength layer, and a second jacket. The strength layer surrounds the first jacket and includes a first set of strength members helically wrapped around the first jacket and a second set of strength members reverse helically wrapped around the first jacket. The first and second sets of strength members are unbraided. The method further includes routing the fiber optic cable assembly from a fiber optic enclosure to an end location. A portion of the second jacket at an end of the fiber optic cable assembly is split. The portion of the second jacket is removed.Type: ApplicationFiled: May 27, 2009Publication date: December 31, 2009Applicant: ADC Telecommunications, Inc.Inventors: Wayne M. Kachmar, Thomas G. LeBlanc, Ronald J. Kleckowski
-
Patent number: 7590321Abstract: A mid-span breakout arrangement includes a distribution cable and a tether cable. The distribution cable has a breakout access location. The tether cable is secured to the distribution cable adjacent the breakout access location. The breakout further includes at least one length of optical fiber helically wrapped around the distribution cable along the breakout access location. The length of optical fiber is coupled to the distribution cable and to the tether cable.Type: GrantFiled: July 21, 2006Date of Patent: September 15, 2009Assignee: ADC Telecommunications, Inc.Inventors: Yu Lu, Keith Millea, Jeff Gniadek
-
Patent number: 7555182Abstract: A multi-layered laminate armor wrap for use with a various cables is disclosed, the armor wrap having at least one water absorbing fabric layer, at least one polymer layer, and at least one layer fabricated from a metal or a metal alloy. Each layer in the multi-layered laminate armor wrap is fused or adhered to the adjacent layers to form a fused or sealed laminate armor wrap. A method of making such an armor wrap is also disclosed.Type: GrantFiled: July 21, 2006Date of Patent: June 30, 2009Assignee: Reynolds Packaging LLCInventor: Oscar Martin
-
Publication number: 20090129733Abstract: A multi-tight buffer fiber optic cable includes a first layer of tight buffer optical fibers and at least one second layer of tight buffer optical fibers surrounding the first layer of tight buffer optical fibers. A jacket surrounds the at least one second layer of tight buffer optical fibers, where the first layer of tight buffer optical fibers and the at least one second layer of tight buffer optical fibers are helically wound, and where the at least one second layer of tight buffer optical fibers are helically wound in the same direction as the first layer of tight buffer optical fibers and at substantially the same lay length.Type: ApplicationFiled: October 27, 2008Publication date: May 21, 2009Inventors: David Keller, Randie Yoder, Dan Rouse, Chris Raynor, Woody Rhodes
-
Patent number: 7529450Abstract: A fiber optic cable can comprise small spheres or balls disposed in the cable's interstitial spaces, for example between the cable's optical fibers and a surrounding buffer tube. The spheres can comprise foam rubber, closed-cell or open-cell porous polymer, or some other soft material. Typical diameters for the spheres can be in a range of 1 to 2.5 millimeters. A soft composition of the spheres can cushion the optical fibers and physically impede water ingress into the cable. Additional fiber protection can arise from the ability of the loose spheres to rotate individually, in a ball-bearing effect. Thus, sphere-to-sphere motion can absorb physical stresses associated with bending, twisting, bumping, and stretching the cable during installation, thereby shielding the fibers from damage.Type: GrantFiled: February 23, 2007Date of Patent: May 5, 2009Assignee: Superior Essex Communications LPInventor: Thomas C. Cook
-
Patent number: 7522794Abstract: This invention discloses a multi-layered laminate armor wrap for use with a copper or fiber optic cable having at least one water absorbing fabric layer, at least one polymer layer, and at least one layer fabricated from a metal or a metal alloy. Each layer in the multi-layered laminate armor wrap is fused or adhered to the adjacent layers to form a fused or sealed laminate armor wrap. This invention also discloses a method of making such an armor wrap.Type: GrantFiled: March 29, 2005Date of Patent: April 21, 2009Assignee: Reynolds Packaging LLCInventor: Oscar L. Martin, Jr.
-
Patent number: 7463803Abstract: A substantially flat fiber optic drop cable assembly comprises: a fiber optic connector comprising a fiber optic ferrule and a housing; a crimp body coupled to the housing of the fiber optic connector; a fiber optic cable comprising a pair of strength members disposed partially within the fiber optic cable; a first sheath disposed between the fiber optic connector and the fiber optic cable, the first sheath coupled to the crimp body; a second sheath disposed between the fiber optic connector and the fiber optic cable, the second sheath coupled to the fiber optic cable; and a demarcation element joining the first sheath and the second sheath, wherein the demarcation element comprises a substantially tubular element; wherein the pair of strength members are configured to engage the crimp body about the first sheath, the second sheath, and the demarcation element.Type: GrantFiled: November 14, 2006Date of Patent: December 9, 2008Assignee: Corning Cable Systems LLCInventors: Joseph T Cody, Radawan Hall, Christopher Paul Lewallen, James P. Luther