CA2506435A1 - Optical tube assembly having a dry insert and methods of making the same - Google Patents

Optical tube assembly having a dry insert and methods of making the same Download PDF

Info

Publication number
CA2506435A1
CA2506435A1 CA002506435A CA2506435A CA2506435A1 CA 2506435 A1 CA2506435 A1 CA 2506435A1 CA 002506435 A CA002506435 A CA 002506435A CA 2506435 A CA2506435 A CA 2506435A CA 2506435 A1 CA2506435 A1 CA 2506435A1
Authority
CA
Canada
Prior art keywords
tube assembly
optical
optical tube
ribbon
optical waveguide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002506435A
Other languages
French (fr)
Other versions
CA2506435C (en
Inventor
Jason C. Lail
David W. Chiasson
Jody L. Greenwood
David A. Seddon
Thomas Ottmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Research and Development Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2506435A1 publication Critical patent/CA2506435A1/en
Application granted granted Critical
Publication of CA2506435C publication Critical patent/CA2506435C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • G02B6/4432—Protective covering with fibre reinforcements
    • G02B6/4433—Double reinforcement laying in straight line with optical transmission element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4403—Optical cables with ribbon structure

Abstract

An optical tube assembly (10) having at least one optical waveguide (12), at least one dry insert (14), and a tube (18). In one embodiment, the dry insert (14) has a first layer (14a) and a second layer (14b). 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 (18) and generally surrounds the at least one optical waveguide (12).

Claims (60)

THAT WHICH IS CLAIMED:
1. An optical tube assembly comprising:
a tube;
at least one optical waveguide, the optical waveguide being disposed in the tube; and at least one dry insert, the at least one dry insert having a first layer and a second layer, the first layer being a polyurethane foam and the second layer being a water-swellable layer, wherein the dry insert is disposed within the tube and generally surrounds the at least one optical waveguide.
2. The optical tube assembly of claim 1, the at least one dry insert being compressed at least 10 percent or more for coupling the at least one optical waveguide to an interior surface of the tube.
3. The optical tube assembly of claim 1, the compression of the foam tape being about 90% or less for coupling the at least one optical waveguide to the interior surface of the tube.
4. The optical tube assembly of claim 1, the polyurethane foam being an open cell ether-based polyurethane foam.
5. The optical tube assembly of claim 1, the water-swellable layer being a water-swellable tape.
6. The optical tube assembly of claim 5, the water-swellable tape having a first water-swellable component and a second water-swellable component.
7. The optical tube assembly of claim 1, further comprising one or more materials selected from the group of adhesives, glues, elastomers, and polymers for attaching the at least one dry insert to the tube.
8. The optical tube assembly of claim 1, the at least one optical waveguide being a portion of a fiber optic ribbon, the fiber optic ribbon having a positive excess ribbon length (ERL).
9. The optical tube assembly of claim 1, the polyurethane foam having a density in the range of about 1 lb/ft3 to about 3 lb/ft3.
10. The optical tube assembly of claim 1, the at least one optical waveguide having a normalized ribbon pull-out force between about 0.5 N/m and about 5.0 N/m.
11. The optical tube assembly of claim 1, the at least one optical waveguide having a normalized pull-out force between about 1 N/m and about 4 N/m.
12. The optical tube assembly of claim 1, the at least one optical waveguide being a portion of a ribbon, the ribbon having a normalized ribbon pull-out force between about 0.5 N/m and about 5.0 N/m.
13. The optical tube assembly of claim 1, the at least one optical waveguide being a portion of a ribbon, the ribbon having a normalized pull-out force between about 1 N/m and about 4 N/m.
14. The optical tube assembly of claim 1, the at least one dry insert having an uncompressed height h of about 5 mm or less.
15. The optical tube assembly of claim 1, the optical tube assembly being a portion of a fiber optic cable.
16. The optical tube assembly of claim 15, the fiber optic cable having a normalized ribbon coupling force between about 0.5 N/m and about 5 N/m.
17. The optical tube assembly of claim 1, the optical tube assembly being a portion of a fiber optic cable, the fiber optic cable having an armor tape.
18. The optical tube assembly of claim 1, the at least one optical waveguide being a portion of a ribbon stack having at least one corner optical waveguide, the at least corner optical waveguide having a MAC number of about 7.35 or less.
19. The optical tube assembly of claim 1, the tube being formed from a bimodal material.
20. The optical tube assembly of claim 1, the at least one optical fiber having an excess fiber length.
21. An optical tube assembly comprising:
a tube, the tube having an interior surface;
at least one optical waveguide, the at least one optical waveguide being disposed within the tube and having a positive excess length compared with the tube; and at least one dry insert, the at least one dry insert having at least two laminated layers generally surrounding the at least one optical waveguide, thereby forming a core that is disposed within the tube, the at least one dry insert act to couple the at least one optical waveguide to the interior surface of the tubewhile cushioning the at least one optical waveguide, thereby maintaining an optical attenuation below about 0.4 dB/km.
22. The optical tube assembly of claim 21, the two laminated layers comprising a compressible layer and at least one water-swellable layer.
23. The optical tube assembly of claim 22, the compressible layer being a polyurethane foam tape that is compressed by about 10% or more.
24. The optical tube assembly of claim 22, the compressible layer being a polyurethane foam tape that is compressed by about 90% or less.
25. The optical tube assembly of claim 21, one of the two laminated layers comprising an open cell ether-based polyurethane foam.
26. The optical tube assembly of claim 21, one of the two laminated layers being a water-swellable tape.
27. The optical tube assembly of claim 21, one of the two laminated layers being a water-swellable layer having a first water-swellable component and a second water-swellable component.
28. The optical tube assembly of claim 21, further comprising one or more materials selected from the group of adhesives, glues, elastomers, and polymers for attaching the at least one dry insert to the tube.
29. The optical tube assembly of claim 21, the at least one optical waveguide having a normalized pull-out force between about 0.5 N/m and about 5.0 N/m.
30. The optical tube assembly of claim 21, the at least one optical waveguide having a normalized pull-out force between about 1 N/m and about 4 N/m.
31. The optical tube assembly of claim 21, the at least one optical waveguide being a portion of a ribbon, the ribbon having a normalized pull-out force between about 0.5 N/m and about 5.0 N/m.
32. The optical tube assembly of claim 21, the at least one optical waveguide being a portion of a ribbon, the ribbon having a normalized pull-out force between about 1 N/m and about 4 N/m.
33. The optical tube assembly of claim 21, the at least one dry insert having an uncompressed height of about 5 mm or ' less.
34. The optical tube assembly of claim 21, the at least one optical waveguide being a portion of a fiber optic ribbon, the fiber optic ribbon having a positive excess ribbon length (ERL).
35. The optical tube assembly of claim 21, the polyurethane foam having a density in the range of about 1 lb/ft3 to about 3 lb/ft3.
36. The optical tube assembly of claim 21, the optical tube assembly being a portion of a fiber optic cable.
37. The optical tube assembly of claim 34, the fiber optic cable having a normalized ribbon coupling force between about 0.5 N/m and about 5 N/m.
33. The optical tube assembly of claim 21, the optical tube assembly being a portion of a fiber optic cable, the fiber optic cable having an armor tape.
39. The optical tube assembly of claim 21, the at least one optical waveguide being a portion of a ribbon stack having at least one corner optical waveguide, the at least corner optical waveguide having a MAC number of about 7.35 or less.
40. The optical tube assembly of claim 21, the tube being formed from a bimodal material.
41. The optical tube assembly of claim 21, the at least one optical fiber having an excess fiber length.
42. An optical tube assembly comprising:
a tube;
at least one optical waveguide; and at least one dry insert, the at least one dry insert having a polyurethane foam layer, wherein the at least one dry insert and the at least one optical waveguide form a core disposed within the tube, wherein the at least one optical waveguide has a normalized pull-out force between about 0.5 N/m and about 5.0 N/m.
43. The optical tube assembly of claim 42, the normalized pull-out force being between about 1 N/m and about 4 N/m.
44. The optical tube assembly of claim 42, the at least one optical waveguide being a portion of a ribbon, the ribbon having the normalized pull-out force.
45. The optical tube assembly of claim 44, the normalized pull-out force of the ribbon being between about 1 N/m and about 4 N/m.
46. The optical tube assembly of claim 42, the at least one dry insert comprising an open cell ether-based polyurethane foam layer and at least one water-swellable layer.
47. The optical tube assembly of claim 46, the water-swellable layer being a water-swellable tape.
48. The optical tube assembly of claim 42, the polyurethane foam layer being compressed by about 100 or more.
49. The optical tube assembly of claim 42, the polyurethane foam layer being compressed by about 90% or less.
50. The optical tube assembly of claim 42, the dry insert further comprising a water-swellable layer having a first water-swellable component and a second water-swellable component.
51. The optical tube assembly of claim 50, the first water-swellable component being effective for ionized liquids and the second water-swellable component being effective for non-ionized liquids.
52. The optical tube assembly of claim 42, further comprising one or more materials selected from the group of adhesives, glues, elastomers, and polymers for attaching the at least one dry insert to the tube.
53. The optical tube assembly of claim 42, the at least one dry insert having an uncompressed height of about 5 mm or less.
54. The optical tube assembly of claim 42, the optical tube assembly being a portion of a fiber optic cable.
55. The optical tube assembly of claim 54, the fiber optic cable having a normalized ribbon coupling force between about 0.5 N/m and about 5 N/m.
56. The optical tube assembly of claim 42, the at least one optical waveguide being a portion of a fiber optic ribbon, the fiber optic ribbon having a positive excess ribbon length (ERL).
57. The optical tube assembly of claim 42, the polyurethane foam having a density in the range of about 1 lb/ft3 to about 3 lb/ft3.
58. The optical tube assembly of claim 42, the optical tube assembly being a portion of a fiber optic cable, the fiber optic cable having an armor tape.
59. The optical tube assembly of claim 42, the at least one optical waveguide being a portion of a ribbon stack having at least one corner optical waveguide, the at least corner optical waveguide having a MAC number of about 7.35 or less.
60. The optical tube assembly of claim 42, the tube being formed from a bimodal material.
CA2506435A 2002-12-19 2003-11-12 Optical tube assembly having a dry insert and methods of making the same Expired - Lifetime CA2506435C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/326,022 2002-12-19
US10/326,022 US6970629B2 (en) 2002-12-19 2002-12-19 Optical tube assembly having a dry insert and methods of making the same
PCT/US2003/035937 WO2004061866A2 (en) 2002-12-19 2003-11-12 Optical tube assembly having a dry insert and methods of making the same

Publications (2)

Publication Number Publication Date
CA2506435A1 true CA2506435A1 (en) 2004-07-22
CA2506435C CA2506435C (en) 2012-08-14

Family

ID=32593920

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2506435A Expired - Lifetime CA2506435C (en) 2002-12-19 2003-11-12 Optical tube assembly having a dry insert and methods of making the same

Country Status (7)

Country Link
US (3) US6970629B2 (en)
EP (2) EP1818704A3 (en)
KR (1) KR20050084384A (en)
CN (3) CN101339280B (en)
AU (1) AU2003295460A1 (en)
CA (1) CA2506435C (en)
WO (1) WO2004061866A2 (en)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9239441B2 (en) 2000-05-26 2016-01-19 Corning Cable Systems Llc Fiber optic drop cables and preconnectorized assemblies having toning portions
US7113679B2 (en) 2000-05-26 2006-09-26 Corning Cable Systems, Llc Fiber optic drop cables and preconnectorized assemblies having toning portions
US6970629B2 (en) * 2002-12-19 2005-11-29 Corning Cable Systems Llc Optical tube assembly having a dry insert and methods of making the same
US7471862B2 (en) 2002-12-19 2008-12-30 Corning Cable Systems, Llc Dry fiber optic cables and assemblies
US7336873B2 (en) * 2002-12-19 2008-02-26 Corning Cable Systems, Llc. Optical tube assembly having a dry insert and methods of making the same
US7231119B2 (en) 2002-12-19 2007-06-12 Corning Cable Systems, Llc. Dry fiber optic assemblies and cables
DE102005001670B3 (en) * 2005-01-13 2006-08-24 CCS Technology, Inc., Wilmington Fire-resistant cable and method of making such a cable
US7515795B2 (en) 2005-07-20 2009-04-07 Draka Comteq B.V. Water-swellable tape, adhesive-backed for coupling when used inside a buffer tube
US7567739B2 (en) * 2007-01-31 2009-07-28 Draka Comteq B.V. Fiber optic cable having a water-swellable element
US7599589B2 (en) * 2005-07-20 2009-10-06 Draka Comteq B.V. Gel-free buffer tube with adhesively coupled optical element
US8582938B2 (en) 2006-05-11 2013-11-12 Corning Cable Systems Llc Fiber optic distribution cables and structures therefore
US20070297730A1 (en) * 2006-06-21 2007-12-27 Bringuier Anne G Optical fiber assemblies having one or more water-swellable members
US20080056649A1 (en) * 2006-08-31 2008-03-06 Fulbright Randall E Dry inserts and optical waveguide assemblies and cables using the same
US7536073B2 (en) 2006-11-22 2009-05-19 Corning Cable Systems Llc Fiber optic cable having a dry insert and offset cavity
US7406233B2 (en) * 2006-11-22 2008-07-29 Corning Cable Systems Llc Fiber optic cable having a dry insert with a fold
US7463812B2 (en) * 2007-01-19 2008-12-09 Adc Telecommunications, Inc. Overhead cable termination arrangement
US20080193092A1 (en) * 2007-02-13 2008-08-14 Julian Latelle Greenwood Fiber optic cables having a coupling agent
US7646952B2 (en) * 2007-06-28 2010-01-12 Draka Comteq B.V. Optical fiber cable having raised coupling supports
US7724998B2 (en) * 2007-06-28 2010-05-25 Draka Comteq B.V. Coupling composition for optical fiber cables
US7639915B2 (en) 2007-06-28 2009-12-29 Draka Comteq B.V. Optical fiber cable having a deformable coupling element
US7529451B2 (en) * 2007-07-31 2009-05-05 Corning Cable Systems Llc Fiber optic cables using dry inserts for coupling and methods therefor
ES2735999T3 (en) 2008-12-09 2019-12-23 Prysmian Spa Optical cable with dry core and dry protection tubes
PL2204681T3 (en) 2008-12-30 2016-08-31 Draka Comteq Bv Optical fibre cable comprising a perforated water-blocking element
AU2009342250B2 (en) * 2009-03-16 2015-02-26 Prysmian S.P.A. Optical cable with improved strippability
US8625944B1 (en) * 2009-05-13 2014-01-07 Draka Comteq, B.V. Low-shrink reduced-diameter buffer tubes
US8625945B1 (en) * 2009-05-13 2014-01-07 Draka Comteq, B.V. Low-shrink reduced-diameter dry buffer tubes
WO2011014452A2 (en) 2009-07-31 2011-02-03 Corning Cable Systems Llc Optical fiber cables
US9042693B2 (en) * 2010-01-20 2015-05-26 Draka Comteq, B.V. Water-soluble water-blocking element
US8682123B2 (en) 2010-07-15 2014-03-25 Draka Comteq, B.V. Adhesively coupled optical fibers and enclosing tape
US9120693B2 (en) * 2010-11-08 2015-09-01 Corning Incorporated Multi-core optical fiber ribbons and methods for making the same
US9170388B2 (en) 2011-09-30 2015-10-27 Corning Cable Systems Llc Fiber optic ribbon cable having enhanced ribbon stack coupling and methods thereof
US8682124B2 (en) 2011-10-13 2014-03-25 Corning Cable Systems Llc Access features of armored flat fiber optic cable
CN102411179A (en) * 2011-11-25 2012-04-11 成都亨通光通信有限公司 Ribbon type optical fiber
JP5947558B2 (en) * 2012-02-16 2016-07-06 株式会社フジクラ Fiber optic cable
US9435978B1 (en) * 2012-06-14 2016-09-06 Superior Essex Communications Lp Water-resistant optical fiber cables
US11187862B2 (en) 2013-03-28 2021-11-30 Corning Optical Communications LLC Coupling system for fiber optic cable using raised tape
US9581777B2 (en) 2013-03-28 2017-02-28 Corning Optical Communications LLC Coupling system for fiber optic cable using folded tape
US9459422B2 (en) 2013-06-28 2016-10-04 Corning Optical Communications LLC Coupling system for a fiber optic cable
CN103345029B (en) * 2013-07-10 2015-07-22 江苏中天科技股份有限公司 Nonmetal anti-freezing anti-squeezing lead-in optical cable and manufacturing method thereof
CN103698843B (en) * 2013-12-18 2016-09-14 江苏大学 A kind of Low-degeneracy few-mode fiber
KR102440833B1 (en) * 2015-01-28 2022-09-05 엘에스전선 주식회사 Ribbon-Tube Type Optical Cable
EP3377931A1 (en) 2015-11-18 2018-09-26 Corning Optical Communications LLC Optical fiber cable with internal periodic coupling structure
CA3064901A1 (en) * 2017-05-31 2018-12-06 Corning Research & Development Corporation Material and process to create composite layers, embedded features or armor
US10359577B2 (en) 2017-06-28 2019-07-23 Corning Research & Development Corporation Multiports and optical connectors with rotationally discrete locking and keying features
US11668890B2 (en) 2017-06-28 2023-06-06 Corning Research & Development Corporation Multiports and other devices having optical connection ports with securing features and methods of making the same
US11300746B2 (en) 2017-06-28 2022-04-12 Corning Research & Development Corporation Fiber optic port module inserts, assemblies and methods of making the same
HRP20230219T1 (en) 2017-06-28 2023-04-14 Corning Research & Development Corporation Compact fiber optic connectors having multiple connector footprints, along with cable assemblies and methods of making the same
US11187859B2 (en) 2017-06-28 2021-11-30 Corning Research & Development Corporation Fiber optic connectors and methods of making the same
US11262522B2 (en) * 2018-12-18 2022-03-01 Sterlite Technologies Limited Multi loose tube ribbon cable
GB201902716D0 (en) * 2019-02-28 2019-04-17 Emtelle Uk Ltd Fibre optic cable, methods of manufacture and use thereof
US11294133B2 (en) 2019-07-31 2022-04-05 Corning Research & Development Corporation Fiber optic networks using multiports and cable assemblies with cable-to-connector orientation
EP3805827A1 (en) 2019-10-07 2021-04-14 Corning Research & Development Corporation Fiber optic terminals and fiber optic networks having variable ratio couplers
US11650388B2 (en) 2019-11-14 2023-05-16 Corning Research & Development Corporation Fiber optic networks having a self-supporting optical terminal and methods of installing the optical terminal
US11536921B2 (en) 2020-02-11 2022-12-27 Corning Research & Development Corporation Fiber optic terminals having one or more loopback assemblies
US11604320B2 (en) 2020-09-30 2023-03-14 Corning Research & Development Corporation Connector assemblies for telecommunication enclosures
US11927810B2 (en) 2020-11-30 2024-03-12 Corning Research & Development Corporation Fiber optic adapter assemblies including a conversion housing and a release member
US11880076B2 (en) 2020-11-30 2024-01-23 Corning Research & Development Corporation Fiber optic adapter assemblies including a conversion housing and a release housing
US11686913B2 (en) 2020-11-30 2023-06-27 Corning Research & Development Corporation Fiber optic cable assemblies and connector assemblies having a crimp ring and crimp body and methods of fabricating the same
US11947167B2 (en) 2021-05-26 2024-04-02 Corning Research & Development Corporation Fiber optic terminals and tools and methods for adjusting a split ratio of a fiber optic terminal

Family Cites Families (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US309827A (en) * 1884-12-30 Sliding door
US152535A (en) * 1874-06-30 Improvement in fences
US271581A (en) * 1883-01-30 Signal for cars and vessels
US577233A (en) * 1897-02-16 Newton ii
US23104A (en) * 1859-03-01 Improvement in motive powers
US4078853A (en) * 1976-02-25 1978-03-14 Bell Telephone Laboratories, Incorporated Optical communication cable
US4226504A (en) * 1976-03-15 1980-10-07 Akzona Incorporated Protection of optical fibers
DE2743260C2 (en) 1977-09-26 1990-05-31 kabelmetal electro GmbH, 3000 Hannover Optical fiber communications cable and process for its manufacture
US4420220A (en) * 1979-06-25 1983-12-13 Bicc Public Limited Company Optical guides
FR2460491A1 (en) 1979-07-02 1981-01-23 Radiall Sa IMPROVEMENTS ON OPTICAL CABLES
DE2944997C2 (en) 1979-11-08 1981-03-26 Kabel Rheydt AG, 41238 Mönchengladbach Light guide arrangement
JPS58150907A (en) 1982-03-03 1983-09-07 Nippon Telegr & Teleph Corp <Ntt> Optical fiber cable having built-in core tape
JPS6087307A (en) 1983-10-20 1985-05-17 Nippon Telegr & Teleph Corp <Ntt> Flat optical cable
JPS60205408A (en) * 1984-03-29 1985-10-17 Sumitomo Electric Ind Ltd Waterproof type communication cable and its production
GB8413205D0 (en) 1984-05-23 1984-06-27 Telephone Cables Ltd Optical fibre cables
DE3444500A1 (en) 1984-05-24 1985-11-28 kabelmetal electro GmbH, 3000 Hannover Flame-resistant electrical or optical cable
JPS6123104A (en) 1984-07-12 1986-01-31 Sumitomo Electric Ind Ltd High density storage type optical fiber cable
US4707569A (en) 1985-06-03 1987-11-17 Japan Styrene Paper Corporation Multi-conductor cable
ATE56826T1 (en) * 1985-07-05 1990-10-15 Siemens Ag FILLING COMPOUND FOR FIBER OPTIC WIRE AND/OR FIBER OPTIC CABLE.
GB8608864D0 (en) * 1986-04-11 1986-05-14 Ass Elect Ind Optical/electrical/composite cable
US4725629A (en) 1986-07-18 1988-02-16 Kimberly-Clark Corporation Process of making an interpenetrating superabsorbent polyurethane foam
US4725628A (en) 1986-07-18 1988-02-16 Kimberly-Clark Corporation Process of making a crosslinked superabsorbent polyurethane foam
JPS63201611A (en) 1987-02-18 1988-08-19 Sumitomo Electric Ind Ltd Flat plate type optical fiber cable for branching
US4818060A (en) 1987-03-31 1989-04-04 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber building cables
JPH02138A (en) 1987-09-18 1990-01-05 Banyu Pharmaceut Co Ltd L-dopa derivative
US4815813A (en) * 1987-10-30 1989-03-28 American Telephone And Telegraph Company Water resistant communications cable
US4913517A (en) 1988-07-11 1990-04-03 American Telephone And Telegraph Company, At&T Bell Laboratories Communication cable having water blocking strength members
US4909592A (en) 1988-09-29 1990-03-20 American Telephone And Telegraph Company, At&T Bell Laboratories Communication cable having water blocking provisions in core
DE3843778A1 (en) * 1988-12-24 1990-07-05 Philips Patentverwaltung METHOD FOR PRODUCING AN OPTICAL LINE
US4979795A (en) * 1989-06-29 1990-12-25 At&T Bell Laboratories Coilable torque-balanced cable and method of manufacture
US5016952A (en) 1989-12-22 1991-05-21 At&T Bell Laboratories Cable closure including superabsorbent foam water blocking system and methods of using same
JP2775966B2 (en) 1990-03-15 1998-07-16 住友電気工業株式会社 Optical fiber unit
US5125063A (en) * 1990-11-08 1992-06-23 At&T Bell Laboratories Lightweight optical fiber cable
US5133034A (en) 1991-08-20 1992-07-21 At&T Bell Laboratories Communications cable having a strength member system disposed between two layers of waterblocking material
US5224190A (en) 1992-03-31 1993-06-29 At&T Bell Laboratories Underwater optical fiber cable having optical fiber coupled to grooved metallic core member
US5243675A (en) 1992-04-16 1993-09-07 At&T Bell Laboratories Optical fiber cable which resists damage caused by a hostile environment
DE9208880U1 (en) 1992-07-01 1992-11-19 Siemens Ag, 8000 Muenchen, De
JPH06309951A (en) * 1993-04-23 1994-11-04 Sumitomo Electric Ind Ltd Optical fiber composite overhead ground-wire and its manufacture
JPH07159629A (en) 1993-12-03 1995-06-23 Fujikura Ltd Coated optical fiber tape unit and optical cable
US5422973A (en) 1994-03-28 1995-06-06 Siecor Corporation Water blocked unfilled single tube cable
US5509097A (en) 1994-04-07 1996-04-16 Pirelli Cable Corporation Optical fiber core and cable with reinforced buffer tube loosely enclosing optical fibers
DE4418319C3 (en) 1994-05-26 2001-08-09 Stockhausen Chem Fab Gmbh Layered body for the absorption of liquids and its manufacture and use
FR2725042B1 (en) * 1994-09-26 1996-12-27 Alcatel Cable OPTICAL FIBER CABLE AND DEVICE FOR MANUFACTURING SUCH A CABLE
DE19516970A1 (en) 1995-05-09 1996-11-14 Siemens Ag Electric and optical cable filler with max. swelling power if water enters
US5675686A (en) * 1995-07-05 1997-10-07 W. L. Gore & Associates, Inc. Buffer material for optical signal transmission media
US5689601A (en) * 1995-08-24 1997-11-18 Owens-Corning Fiberglas Technology Inc. Water blocking optical cable reinforcement
US5621841A (en) 1995-09-20 1997-04-15 Siecor Corporation Optical fiber cable containing ribbons in stranded tubes
US5630003A (en) * 1995-11-30 1997-05-13 Lucent Technologies Inc. Loose tube fiber optic cable
JPH09152535A (en) 1995-11-30 1997-06-10 Showa Electric Wire & Cable Co Ltd Water-stopping tape and optical fiber cable using the same
US5668912A (en) * 1996-02-07 1997-09-16 Alcatel Na Cable Systems, Inc. Rectangular optical fiber cable
JP3583221B2 (en) * 1996-02-15 2004-11-04 三洋化成工業株式会社 Filling material for cable
US5684904A (en) * 1996-06-10 1997-11-04 Siecor Corporation Optical cable incorporating loose buffer tubes coated with a moisture-absorptive material
FR2756935B1 (en) 1996-12-09 1999-01-08 Alsthom Cge Alcatel REINFORCED FIBER CABLE, WITH UNITUBE STRUCTURE
US6229944B1 (en) 1997-02-04 2001-05-08 Sumitomo Electric Industries, Ltd. Optical fiber cable
DE19713063A1 (en) 1997-03-27 1998-10-01 Siemens Ag Communications cable device for e.g. optical fibre ribbon
US6122424A (en) * 1997-09-26 2000-09-19 Siecor Corporation Fiber optic cable with flame inhibiting capability
US6178278B1 (en) 1997-11-13 2001-01-23 Alcatel Indoor/outdoor dry optical fiber cable
US6087000A (en) 1997-12-18 2000-07-11 Ppg Industries Ohio, Inc. Coated fiber strands, composites and cables including the same and related methods
JPH11271581A (en) 1998-03-25 1999-10-08 Fujikura Ltd Optical fiber and its manufacture
US6574400B1 (en) * 1998-03-26 2003-06-03 Corning Cable Systems Llc Fiber optic cable with water blocking features
JPH11337783A (en) 1998-05-27 1999-12-10 Fujikura Ltd Optical cable
US6449412B1 (en) * 1998-06-30 2002-09-10 Corning Cable Systems Llc Fiber optic ribbon interconnect cable
US6586094B1 (en) * 1998-11-24 2003-07-01 E. I. Du Pont De Nemours And Company Fiber coated with water blocking material
US6377738B1 (en) * 1998-12-04 2002-04-23 Pirelli Cable Corporation Optical fiber cable and core with a reinforced buffer tube having visible strength members and methods of manufacture thereof
US6463199B1 (en) * 1999-05-28 2002-10-08 Corning Cable Systems Llc Fiber optic cables with at least one water blocking zone
US6374023B1 (en) * 1999-05-28 2002-04-16 Corning Cable Systems Llc Communication cable containing novel filling material in buffer tube
US6748146B2 (en) * 1999-05-28 2004-06-08 Corning Cable Systems Llc Communication cable having a soft housing
US6314224B1 (en) * 1999-06-18 2001-11-06 Alcatel Thick-walled cable jacket with non-circular cavity cross section
US6226431B1 (en) 1999-06-29 2001-05-01 Lucent Technology Inc. Optical fiber cable
CN1245902A (en) * 1999-08-06 2000-03-01 吴江妙都光缆有限公司 Layer-twisted semi-dry type cable-core optical cable
US6321012B1 (en) * 1999-08-30 2001-11-20 Alcatel Optical fiber having water swellable material for identifying grouping of fiber groups
US6215932B1 (en) * 1999-09-15 2001-04-10 Lucent Technologies Inc. Stacks of optical fiber ribbons closely bound by respective buffer encasements with relatively hard exteriors and relatively soft interiors, associated methods, and associated fiber optic cables
US6278826B1 (en) 1999-09-15 2001-08-21 Lucent Technologies Inc. Cables with water-blocking and flame-retarding foam
US6728451B2 (en) * 1999-09-21 2004-04-27 Tyco Telecommunications (Us) Inc. Optical fiber holding structure and method of making same
US7113679B2 (en) 2000-05-26 2006-09-26 Corning Cable Systems, Llc Fiber optic drop cables and preconnectorized assemblies having toning portions
JP2001343565A (en) 2000-05-31 2001-12-14 Fujikura Ltd Optical cable
JP2001343566A (en) 2000-05-31 2001-12-14 Fujikura Ltd Optical cable
EP1170614A1 (en) 2000-06-07 2002-01-09 Lucent Technologies Inc. Dry-blocked armored cable having reduced water penetration
US6711392B1 (en) * 2000-06-30 2004-03-23 International Business Machines Corporation Balanced power amplifier for low power radio communications
US6711329B2 (en) 2001-01-16 2004-03-23 Parker-Hannifin Corporation Flame retardant tubing bundle
JP2002236241A (en) 2001-02-08 2002-08-23 Fujikura Ltd Optical cable
TW531676B (en) 2001-03-29 2003-05-11 Fujikura Ltd Optical fiber cable, apparatus and method for manufacturing the same
US6714708B2 (en) * 2001-03-30 2004-03-30 Corning Cable Systems Llc Fiber optic with high strength component
US6876799B2 (en) * 2001-05-09 2005-04-05 Alcatel Gel-swellable layers on fibers, fiber ribbons and buffer tubes
US6389204B1 (en) * 2001-05-30 2002-05-14 Corning Cable Systems Llc Fiber optic cables with strength members and methods of making the same
ATE403173T1 (en) 2001-06-04 2008-08-15 Prysmian Cavi Sistemi Energia OPTICAL CABLE WITH MECHANICALLY RESISTANT SHEATH
DE10129772B4 (en) 2001-06-20 2007-10-11 CCS Technology, Inc., Wilmington Optical transmission element
US6504979B1 (en) 2001-09-06 2003-01-07 Fitel Usa Corp. Water blocking optical fiber cable
MXPA01009019A (en) 2001-09-06 2003-03-10 Servicios Condumex Sa Dry optical fiber cable for telecommunications.
US6618526B2 (en) * 2001-09-27 2003-09-09 Corning Cable Systems Llc Fiber optic cables
US6749446B2 (en) 2001-10-10 2004-06-15 Alcatel Optical fiber cable with cushion members protecting optical fiber ribbon stack
JP3596511B2 (en) * 2001-10-18 2004-12-02 住友電気工業株式会社 Fiber optic cable
US6847768B2 (en) * 2002-09-06 2005-01-25 Corning Cable Systems Llc Optical fiber tube assembly having a plug
AU2003274752A1 (en) 2002-10-25 2004-05-13 Fujikura Ltd. Optical drop cable
US7415181B2 (en) 2005-07-29 2008-08-19 Corning Cable Systems Llc Fiber optic cables and assemblies for fiber to the subscriber applications
US6970629B2 (en) 2002-12-19 2005-11-29 Corning Cable Systems Llc Optical tube assembly having a dry insert and methods of making the same
US7336873B2 (en) 2002-12-19 2008-02-26 Corning Cable Systems, Llc. Optical tube assembly having a dry insert and methods of making the same
US7277615B2 (en) 2002-12-19 2007-10-02 Corning Cable Systems, Llc. Fiber optic cable having a dry insert and methods of making the same
US7050688B2 (en) * 2003-07-18 2006-05-23 Corning Cable Systems Llc Fiber optic articles, assemblies, and cables having optical waveguides
US7742667B2 (en) * 2005-06-08 2010-06-22 Commscope, Inc. Of North Carolina Fiber optic cables and methods for forming the same

Also Published As

Publication number Publication date
KR20050084384A (en) 2005-08-26
US7236670B2 (en) 2007-06-26
CN101339280A (en) 2009-01-07
WO2004061866A3 (en) 2004-09-16
US6970629B2 (en) 2005-11-29
CN101435902A (en) 2009-05-20
CN100456071C (en) 2009-01-28
EP1573377B1 (en) 2016-01-20
US20090074363A1 (en) 2009-03-19
CN1729418A (en) 2006-02-01
US20060002668A1 (en) 2006-01-05
EP1573377A2 (en) 2005-09-14
EP1818704A2 (en) 2007-08-15
CN101435902B (en) 2012-11-28
AU2003295460A1 (en) 2004-07-29
CN101339280B (en) 2010-12-01
WO2004061866A2 (en) 2004-07-22
AU2003295460A8 (en) 2004-07-29
EP1818704A3 (en) 2007-09-05
US20040120662A1 (en) 2004-06-24
CA2506435C (en) 2012-08-14
US7751666B2 (en) 2010-07-06

Similar Documents

Publication Publication Date Title
CA2506435A1 (en) Optical tube assembly having a dry insert and methods of making the same
CA2569748A1 (en) Optical tube assembly having a dry insert and methods of making the same
CN101542346B (en) Fiber optic cable having a dry insert and methods of making the same
CA2642016C (en) Fiber optic cable having a dry insert and methods of making the same
US7406233B2 (en) Fiber optic cable having a dry insert with a fold
ATE403173T1 (en) OPTICAL CABLE WITH MECHANICALLY RESISTANT SHEATH
CN1954247B (en) Optical tube assembly having a dry insert
GB2400921A (en) Signal transmitting cable
KR890007315A (en) Waterproof communication cable
TW200744811A (en) Compact having nonwoven fiber structure
CA2014785A1 (en) Plenum cable which includes halogenated and non-halogenated plastic materials
EP1153326A4 (en) Resonator fiber bidirectional coupler
US6671441B1 (en) Optical cabling apparatus having improved dry filling compound and method for making
WO2002068746A3 (en) Laminated battery separator material
US4861135A (en) Ribbon cable with optical waveguides
US6885799B2 (en) Optical ribbon fiber including strength members
US7805042B2 (en) Flexible optical interconnection structure and method for fabricating same
EP1109045A4 (en) Optical fiber cord
US7536073B2 (en) Fiber optic cable having a dry insert and offset cavity
GB2192913A (en) Sound absorbing floor
ITMI970447U1 (en) FIBER STRAP FOR WIDE BAND INHOUSE OPTICAL WIRING
CN209766800U (en) Signal line that compressive capacity is good
CN211447296U (en) Building external wall heat insulation material
EP4219852A1 (en) Sound-insulating structural body
EP2860562B1 (en) Optical fibre cable

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20231114