WO2004113982A1 - Organisateur destine a des cables a fibres optiques - Google Patents

Organisateur destine a des cables a fibres optiques Download PDF

Info

Publication number
WO2004113982A1
WO2004113982A1 PCT/GB2004/002418 GB2004002418W WO2004113982A1 WO 2004113982 A1 WO2004113982 A1 WO 2004113982A1 GB 2004002418 W GB2004002418 W GB 2004002418W WO 2004113982 A1 WO2004113982 A1 WO 2004113982A1
Authority
WO
WIPO (PCT)
Prior art keywords
organiser
loose
loose tube
enclosure
tubes
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.)
Ceased
Application number
PCT/GB2004/002418
Other languages
English (en)
Inventor
Dirk Kempeneers
Robert Vanhentenrijk
Patrick Everaerts
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.)
Commscope Connectivity Belgium BVBA
Tyco Electronics UK Ltd
Original Assignee
Tyco Electronics Raychem BVBA
Tyco Electronics UK Ltd
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 Tyco Electronics Raychem BVBA, Tyco Electronics UK Ltd filed Critical Tyco Electronics Raychem BVBA
Priority to EP04736315A priority Critical patent/EP1636623A1/fr
Publication of WO2004113982A1 publication Critical patent/WO2004113982A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4442—Cap coupling boxes

Definitions

  • This invention relates to organisers for optical fibre cables.
  • Optical fibre cables are often constructed with an outer cable sheath surrounding a number of so-called “loose tubes” and a “strength member” for resisting axial tensile stresses which the cable may experience in use.
  • the number of loose tubes in a cable may vary, one example of such cables containing 16 loose tubes.
  • Each loose tube encloses a number of individual optical fibres, some of which may need to be accessed from time to time for splicing to other fibres, or for connection to other optical components, for example optical splitters, as known per se. Such access is required where optical fibre splice organisers, for example the range supplied by Tyco Electronics Corporation under the "FIST" trade mark, are located in the telecommunication network.
  • Access to the fibres involves removal of an intermediate section of the cable sheath to expose the enclosed loose tubes, followed by partial or complete removal of the tube wall of one or more of the exposed loose tubes to reveal the enclosed optical fibres.
  • the removal of the tube wall is commonly called “shaving" the tube, being a necessarily delicate operation requiring care to avoid damage to the revealed optical fibres.
  • the resulting exposed length of the loose tubes is usually gathered into loose loops each containing a few or several turns.
  • the present invention provides a loose tube organiser for use in conjunction with a portion of an optical fibre cable from which the cable sheath has been stripped to expose loose tubes extending within the cable, the loose tube organiser comprising a number of interconnected retaining members, each retaining member being capable of releasably holding loops of one of the exposed loose tubes separately from loops of the other loose tubes respectively held by the other retaining members in use.
  • the invention also provides an optical fibre splice enclosure, fibre rack, shelf, or box, in association with this loose tube organiser, either in the form of a kit for assembly at time of installation, or preferably with the loose tube organiser attached to other components of, on, or in, the enclosure, rack, shelf, or box.
  • the loose tube organiser is preferably attached to components to be enclosed by the enclosure, the loose tube organiser in use retaining the loops of loose tubes awaiting shaving in the same enclosure as the optical fibres already revealed.
  • the loose tube organiser is preferably releasably attached to the structure which supports fibre organiser trays and other components and which fits within the enclosure housing.
  • the retaining members may be of any convenient design, resilient clips or open-sided resilient tubes of suitable size for lateral insertion and resilient holding of the loose tube loops being preferred.
  • the splice enclosure and loose tube organiser according to this invention advantageously avoid or reduce tangling of the loose tubes, which occurs when the exposed loose tubes are simply bundled together or pushed into a basket, bag or box. Tangling increases installation times and costs and risks damage to the optical fibres when one of the loose tubes is being separated out from the others for shaving and subsequent procedures. Because the exposed portions of the loose tubes are respectively held in the separate retaining members of the loose tube organiser according to this invention, any one of the loose tubes may at any desired time be released from its retaining member and moved away from the other loose tubes held by the organiser, with negligible risk of tangling or damage.
  • the optical fibres revealed by shaving of the loose tubes are organised and protected by arrangements known per se.
  • Picture 1 shows a loose tube individual storage organizer according to this invention applied in a FIST-GCOG2 closure (TYCO).
  • the incoming and outgoing ends of the stripped portion of the cable sheath and its strength member 8 are secured to the base 12 of the enclosure, and the sixteen exposed loose tubes 10 are respectively looped and arranged in corresponding retaining members 14 of two loose tube organisers 16 according to this invention, each having eight retaining members.
  • the two organisers are releasably attached by straps 17 on opposite sides of the frame 18 holding the fibre organiser groove plates 20 and other components such as organiser trays (not shown), all of which will be enclosed when the known domed cover (not shown) is secured to the base 12.
  • the loose tubes are thus stored in a selected order to avoid crossings and tangling for easy access later.
  • Picture 2 shows the nearer of the two loose tube organisers 16 released from the frame 18, allowing the organiser and its separately-retained loops 11 of the loose tubes to rest on a nearby work surface 22.
  • Picture 3 shows a selected loose tube 24 removed from its retaining member 26 and separated from the others in preparation for shaving and subsequent operations on the optical fibres thus revealed.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne un organisateur (16) de tubes lâches à utiliser conjointement avec une partie d'un câble à fibres optiques à partir de laquelle la gaine du câble a été retirée de manière à exposer les tubes lâches (10) s'étendant dans le câble. L'organisateur de tubes lâches comprend un certain nombre d'éléments de retenue interconnectés (14) capables individuellement de maintenir amovible des boucles (11) d'un des tubes lâches exposés à distances des boucles des autres tubes lâches maintenus respectivement par les autres éléments de retenue pendant l'utilisation.
PCT/GB2004/002418 2003-06-23 2004-06-08 Organisateur destine a des cables a fibres optiques Ceased WO2004113982A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04736315A EP1636623A1 (fr) 2003-06-23 2004-06-08 Organisateur destine a des cables a fibres optiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0314570A GB0314570D0 (en) 2003-06-23 2003-06-23 Organiser for optical fibre cables
GB0314570.3 2003-06-23

Publications (1)

Publication Number Publication Date
WO2004113982A1 true WO2004113982A1 (fr) 2004-12-29

Family

ID=27637136

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/002418 Ceased WO2004113982A1 (fr) 2003-06-23 2004-06-08 Organisateur destine a des cables a fibres optiques

Country Status (3)

Country Link
EP (1) EP1636623A1 (fr)
GB (1) GB0314570D0 (fr)
WO (1) WO2004113982A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481639A (en) 1994-10-28 1996-01-02 At&T Corp. Compact closure for optical fiber cable
WO1996038752A1 (fr) * 1995-05-30 1996-12-05 The Whitaker Corporation Boitier d'epissure de fibre optique et reducteur de contrainte
US5625737A (en) * 1995-12-11 1997-04-29 Lucent Technologies Inc. Optical fiber holder and method using same
US5758004A (en) 1995-03-31 1998-05-26 Minnesota Mining And Manufacturing Company Closure with cable strain relief
US20020106177A1 (en) 1999-08-24 2002-08-08 Flores Alfred E. Optical fiber interconnection closures
EP1293808A1 (fr) 2000-06-23 2003-03-19 Mitsubishi Denki Kabushiki Kaisha Unite de traitement d'excedent de cables optiques et procede de cablage de cables optiques

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481639A (en) 1994-10-28 1996-01-02 At&T Corp. Compact closure for optical fiber cable
US5758004A (en) 1995-03-31 1998-05-26 Minnesota Mining And Manufacturing Company Closure with cable strain relief
WO1996038752A1 (fr) * 1995-05-30 1996-12-05 The Whitaker Corporation Boitier d'epissure de fibre optique et reducteur de contrainte
US5625737A (en) * 1995-12-11 1997-04-29 Lucent Technologies Inc. Optical fiber holder and method using same
US20020106177A1 (en) 1999-08-24 2002-08-08 Flores Alfred E. Optical fiber interconnection closures
EP1293808A1 (fr) 2000-06-23 2003-03-19 Mitsubishi Denki Kabushiki Kaisha Unite de traitement d'excedent de cables optiques et procede de cablage de cables optiques

Also Published As

Publication number Publication date
EP1636623A1 (fr) 2006-03-22
GB0314570D0 (en) 2003-07-30

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