FR2428850A1 - Fibre=optic cable junction box - allows access to cable splices held in tension by sprung pulleys - Google Patents

Fibre=optic cable junction box - allows access to cable splices held in tension by sprung pulleys

Info

Publication number
FR2428850A1
FR2428850A1 FR7818048A FR7818048A FR2428850A1 FR 2428850 A1 FR2428850 A1 FR 2428850A1 FR 7818048 A FR7818048 A FR 7818048A FR 7818048 A FR7818048 A FR 7818048A FR 2428850 A1 FR2428850 A1 FR 2428850A1
Authority
FR
France
Prior art keywords
pulleys
fibre
tension
box
sprung
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.)
Pending
Application number
FR7818048A
Other languages
French (fr)
Inventor
Gerard Raymond Bonnin
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7818048A priority Critical patent/FR2428850A1/en
Publication of FR2428850A1 publication Critical patent/FR2428850A1/en
Pending 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

Landscapes

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

Abstract

The junction box for fibre optic cables allows inspection and maintenance of splices between incoming and outgoing fibres. The box (10) has an elongated rectangular form with an integral central wall (4) running along the box length and side access panels(11). The cables (2) enter from each end to be divided to either side of the partition, splicing (26) occuring approximately half way along the box. The tension of both fibre bundles is maintained by pulleys (62, 64) over which the bundles are passed. Pairs of pulleys are interlinked by sprung arms (61, 81) such that the splices are held toward the partition.
FR7818048A 1978-06-16 1978-06-16 Fibre=optic cable junction box - allows access to cable splices held in tension by sprung pulleys Pending FR2428850A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7818048A FR2428850A1 (en) 1978-06-16 1978-06-16 Fibre=optic cable junction box - allows access to cable splices held in tension by sprung pulleys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7818048A FR2428850A1 (en) 1978-06-16 1978-06-16 Fibre=optic cable junction box - allows access to cable splices held in tension by sprung pulleys

Publications (1)

Publication Number Publication Date
FR2428850A1 true FR2428850A1 (en) 1980-01-11

Family

ID=9209616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818048A Pending FR2428850A1 (en) 1978-06-16 1978-06-16 Fibre=optic cable junction box - allows access to cable splices held in tension by sprung pulleys

Country Status (1)

Country Link
FR (1) FR2428850A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359262A (en) * 1980-06-30 1982-11-16 Northern Telecom Limited Tray for organizing optical fiber splices and enclosures embodying such trays
US4373776A (en) * 1980-06-30 1983-02-15 Northern Telecom Limited Protection case for optical fiber splices
FR2515363A1 (en) * 1981-10-23 1983-04-29 Souriau & Cie Optical fibre coupling with min. signal losses - uses bore receiving connector pins and cuff around at least one pin

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2621852A1 (en) * 1976-05-17 1977-11-24 Siemens Ag Overlength light wave conductor storage system - has hollow cylinder whose dia. is double min. bending radius of conductor
DE2621823A1 (en) * 1976-05-17 1977-12-01 Siemens Ag Excess lighting cable storage unit - uses cylindrical reels with circumferential adjacent grooves and has clamps for splicing elements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2621852A1 (en) * 1976-05-17 1977-11-24 Siemens Ag Overlength light wave conductor storage system - has hollow cylinder whose dia. is double min. bending radius of conductor
DE2621823A1 (en) * 1976-05-17 1977-12-01 Siemens Ag Excess lighting cable storage unit - uses cylindrical reels with circumferential adjacent grooves and has clamps for splicing elements

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359262A (en) * 1980-06-30 1982-11-16 Northern Telecom Limited Tray for organizing optical fiber splices and enclosures embodying such trays
US4373776A (en) * 1980-06-30 1983-02-15 Northern Telecom Limited Protection case for optical fiber splices
FR2515363A1 (en) * 1981-10-23 1983-04-29 Souriau & Cie Optical fibre coupling with min. signal losses - uses bore receiving connector pins and cuff around at least one pin

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