WO2020245335A1 - Support d'épissure de grande capacité - Google Patents

Support d'épissure de grande capacité Download PDF

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Publication number
WO2020245335A1
WO2020245335A1 PCT/EP2020/065592 EP2020065592W WO2020245335A1 WO 2020245335 A1 WO2020245335 A1 WO 2020245335A1 EP 2020065592 W EP2020065592 W EP 2020065592W WO 2020245335 A1 WO2020245335 A1 WO 2020245335A1
Authority
WO
WIPO (PCT)
Prior art keywords
channels
snap
splice holder
fiber optic
splice
Prior art date
Application number
PCT/EP2020/065592
Other languages
English (en)
Inventor
Bart Mattie Claessens
Roger Joseph ALAERTS
Original Assignee
CommScope Connectivity Belgium BVBA
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 CommScope Connectivity Belgium BVBA filed Critical CommScope Connectivity Belgium BVBA
Priority to EP20731055.8A priority Critical patent/EP3980824A1/fr
Publication of WO2020245335A1 publication Critical patent/WO2020245335A1/fr

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
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2558—Reinforcement of splice joint

Definitions

  • the present disclosure relates generally to fiber optic telecommunications components. More particularly, the present disclosure relates to components for arranging and retaining spliced fiber optic cables.
  • a sleeve which necessarily increases the overall thickness of the optical fibers at the location of the splice.
  • a sleeve is a crimp or sandwich fusion splice“ANT” protector which, in some examples, includes a metal sleeve provided with a resilient material coating such as an acrylic foam tape. After splicing, an open sleeve can be folded along a hinge such that the resilient material surrounds and seals against the splice to protect the splice against environmental conditions.
  • a typical dimension for an ANT splice protector is 1 - 1.5 mm (thickness) x 3 mm (width) x 30 mm (length) and can accommodate a variety of fiber buffer sizes (e.g. 250 - 900 pm).
  • a splice protector of this type is shown at Figures 9 and 10.
  • Other types of sleeves also exist.
  • heat shrink type protectors can be used which can include an outer heat shrink material, a low temperature hot-melt adhesive to encapsulate the splice, and an optional strengthening rod.
  • a plurality of spliced fibers are secured at the location of the splice protector in a splice holder.
  • splice protectors are individually secured into a splice holder in a side-by-side arrangement by pairs of snap members, resulting in two individual snap members residing between each splice protector.
  • These snap members therefore increase the overall width of the splice holder.
  • the snap members can decrease the pitch or density of the number of spliced fibers that can be retained in a given width. Improvements are desired.
  • a splice holder for holding spliced fiber optic cables is disclosed.
  • the splice holder can include a main body, a plurality of channels for receiving the spliced fiber optic cables, a plurality of first snap member pairs located proximate the main body first end and being for retaining the spliced fiber optic cables within the plurality of channels, a plurality of second snap member pairs located proximate the main body second end and being for retaining the spliced fiber optic cables within the plurality of channels, a plurality of first intermediate snap members located between the first and second snap member pairs and along a first side of every other of the plurality of channels, and a plurality of second intermediate snap members located between the first and second snap member pairs and along a second side of every other of the plurality of channels, the plurality of second intermediate snap members being axially offset from the plurality of first intermediate snap members.
  • the splice holder is integrally formed as a single component.
  • the plurality of channels includes 12 channels.
  • each of the plurality of first intermediate snap members includes a horizontal extension portion extending in a direction towards the channel second side.
  • each of the plurality of second intermediate snap members includes a horizontal extension portion extending in a direction towards the channel first side.
  • the plurality of channels are defined with a first portion proximate the main body first end, a second portion proximate the main body second end, and an intermediate portion located between the first and second portions, wherein the intermediate portion has a width that is greater than a width of the first and second portions.
  • the plurality of first and second intermediate snap members are located along the channel intermediate portions.
  • the plurality of channels are at least partially defined by the plurality of first and second snap member pairs and by the plurality of first and second intermediate snap members.
  • the plurality of channels are at least partially defined by sidewall members extending from the main body.
  • At least two adjacent channels are joined together at the intermediate portions to form a common channel.
  • a splice holder for holding spliced fiber optic cables can include a main body, a plurality of channels for receiving the spliced fiber optic cables, each of the plurality of channels having a first side and a second side defined within the main body, a plurality of first snap member pairs located proximate the main body first end and being for retaining the spliced fiber optic cables within the plurality of channels, each of the snap member pairs including a first snap member located on the first side of each of the plurality of channels and including a second snap member located on the second side of each of the channels opposite the first snap member, a plurality of second snap member pairs located proximate the main body second end and being for retaining the spliced fiber optic cables within the plurality of channels, each of the second snap member pairs including a first snap member located on the first side of each of the plurality of channels and including a second snap member located on the second side of each of the plurality of channels opposite the
  • the plurality of channels includes 12 channels.
  • each of the plurality of first intermediate snap members includes a horizontal extension portion extending in a direction towards the channel second side.
  • each of the plurality of second intermediate snap members includes a horizontal extension portion extending in a direction towards the channel first side.
  • the plurality of channels are defined with a first portion proximate the main body first end, a second portion proximate the main body second end, and an intermediate portion located between the first and second portions, wherein the intermediate portion has a width that is greater than a width of the first and second portions.
  • the plurality of first and second intermediate snap members are located along the channel intermediate portions.
  • the plurality of channels are at least partially defined by the plurality of first and second snap member pairs and by the plurality of first and second intermediate snap members.
  • the plurality of channels are at least partially defined by sidewall members extending from the main body.
  • At least two adjacent channels are joined together at the intermediate portions to form a common channel.
  • the telecommunications system may include a plurality of spliced fiber optic cables, each of the spliced fiber optic cables including a splice protector, a splice holder for holding the spliced fiber optic cables, the splice holder including a main body, a plurality of channels for receiving the spliced fiber optic cables, a plurality of first snap member pairs located proximate the main body first end and retaining the spliced fiber optic cables within the plurality of channels, a plurality of second snap member pairs located proximate the main body second end and retaining the spliced fiber optic cables within the plurality of channels, a plurality of first intermediate snap members located between the first and second snap member pairs and along a first side of every other of the plurality of channels, the plurality of first intermediate snap members retaining every other splice protector, and a plurality of second intermediate snap members located between the first and second snap member pairs and along
  • the splice holder is integrally formed as a single component.
  • the plurality of channels includes 12 channels.
  • each of the plurality of first intermediate snap members includes a horizontal extension portion extending in a direction towards the channel second side.
  • each of the plurality of second intermediate snap members includes a horizontal extension portion extending in a direction towards the channel first side.
  • the plurality of channels are defined with a first portion proximate the main body first end, a second portion proximate the main body second end, and an intermediate portion located between the first and second portions, wherein the intermediate portion has a width that is greater than a width of the first and second portions and receives the splice protectors of the spliced fiber optic cables.
  • the plurality of first and second intermediate snap members are located along the channel intermediate portions to secure the splice protectors.
  • the plurality of channels are at least partially defined by the plurality of first and second snap member pairs and by the plurality of first and second intermediate snap members.
  • the plurality of channels are at least partially defined by sidewall members extending from the main body. [0034] In some examples, at least two adjacent channels are joined together at the intermediate portions to form a common channel.
  • a splice holder for holding spliced fiber optic cables can include a main body, a plurality of channels for receiving the spliced fiber optic cables, and a holder arrangement for retaining the spliced fiber optic cables within the channels, the holder arrangement holding the spiced fiber optic cables in a staggered arrangement relative to each adjacent spliced fiber optic cable.
  • the splice holder includes a cover for retaining the spliced fiber optic cables within the channels.
  • the splice holder includes a plurality of snaps for retaining the spliced fiber optic cables within the channels.
  • the splice holder includes a holder arrangement configured to hold ANT splices.
  • a splice holder for holding spliced fiber optic cables can include a main body, a plurality of channels for receiving the spliced fiber optic cables, and a holder arrangement for retaining the spliced fiber optic cables within the channels, the holder arrangement holding the spiced fiber optic cables in a staggered arrangement relative to each adjacent spliced fiber optic cable, wherein the holder arrangement includes no more than three snap members.
  • the snap members include a pair of opposing snap members proximate an end of the main body and a single snap member proximate a central region of the main body.
  • Figure 1 is a perspective view of a splice holder with a plurality of spliced fiber optic cables retained within the splice holder.
  • Figure 2 is a top view of the splice holder and spliced fiber optic cables shown in Figure 1.
  • Figure 3 is an end view of the splice holder and spliced fiber optic cables shown in Figure 1.
  • Figure 4 is a cross-sectional view of the splice holder and spliced fiber optic cables shown in Figure 1, taken along the line 4-4 in Figure 2.
  • Figure 5 is a cross-sectional view of the splice holder and spliced fiber optic cables shown in Figure 1, taken along the line 5-5 in Figure 2.
  • Figure 6 is a cross-sectional view of the splice holder and spliced fiber optic cables shown in Figure 1, taken along the line 6-6 in Figure 2.
  • Figure 7 is a cross-sectional view of the splice holder and spliced fiber optic cables shown in Figure 1, taken along the line 7-7 in Figure 2.
  • Figure 8 is an exploded perspective view of the splice holder and spliced fiber optic cables shown in Figure 1.
  • Figure 9 is a perspective view of one of the spliced fiber optic cables shown in Figure 1.
  • Figure 10 is an end view of the spliced fiber optic cable shown in Figure 9.
  • Figure 11 is a top view of the splice holder shown in Figure 1.
  • Figure 12 is a bottom view of the splice holder shown in Figure 1.
  • Figure 13 is an end view of the splice holder shown in Figure 1.
  • Figure 14 is a side view of the splice holder shown in Figure 1.
  • Figure 15 is a perspective view of a splice holder with a plurality of spliced fiber optic cables retained within the splice holder.
  • Figure 16 is a top view of the splice holder shown in Figure 15.
  • Figure 17 is a top view of the splice holder shown in Figure 15, with a cover of the splice holder removed.
  • a telecommunications system 10 includes a plurality of spliced fiber optic cables 12 with splice protectors 14 are stored and retained on a splice holder 100.
  • the splice holder 100 is a high density splice holder.
  • the splice holder 100 organizes twelve ANT-type splice protectors 14 in a staggered or offset arrangement with a unique snap member arrangement that enables pairs of splice protectors 14 to be retained directly adjacent to each other. This improvement enables more splice protectors to be installed on a splice holder of the same dimensions or to reduce the width of the splice holder.
  • the splice holder 100 is shown in isolation at Figures 11 to 14. As shown, the splice holder 100 includes a main body 102. In one aspect, the main body 102 extends between first and second ends 102a, 102b and between first and second sides 102c, 102d. The main body 102 also defines a top side 102e and a bottom side 102f.
  • an attachment feature 114 can be provided on the bottom side 102f of the main body 102 to enable the splice holder 100 to be attached to a telecommunications component, for example a splice tray.
  • a telecommunications component for example a splice tray.
  • Examples of configurations for the attachment feature 114 are shown and described in Patent Cooperation Treaty (PCT) Application Serial Number PCT/US2019/17904, filed on February 13, 2019, the entirety of which is incorporated by reference herein; Patent Cooperation Treaty (PCT) Application Serial Number PCT/US2019/028245, filed on April 19, 2019, the entirety of which is incorporated by reference herein; and United States Provisional Patent Application Serial Number 62/824,824, filed on March 27, 2019, the entirety of which is incorporated by reference herein.
  • the attachment feature 114 includes a pair of dovetail- shaped interconnection features 114a and a pair of ramp structures 114b aligned along the longitudinal axis X of the main body 102. More than one attachment feature 114 may be provided on the main body 102.
  • the main body 102 also defines a plurality of channels 104 defined on the top side 102e and extending between the first end 102a and the second end 102b of the main body 102.
  • Each of the channels 104 is shown as including a first portion 104a, a second portion 104b, and an intermediate portion 104c.
  • the first and second portions 104a, 104b extend to the first and second ends 102a, 102b, respectively.
  • the intermediate portion 104c which is wider than the first and second portions 104a, 14b, is located between the first and second portions 104a, 104b. The wider
  • intermediate portion 104c is sized to receive a splice protector 14.
  • adjacent intermediate portions 104c are staggered relative one another such that the intermediate portion 104c of one channel 104 is shifted towards or closer to the first end 102a than the adjacent intermediate portions 104c.
  • this configuration results in the splice protectors 14 to be alternately staggered relative to one another with every other splice protector 14 being closer to the first end 102a and the remaining splice protectors 14 being closer to the second end 102b.
  • this configuration enables for the splice protectors 14 to be arranged within the channels in an increased density arrangement.
  • the plurality of channels 104 are defined by multiple sidewall structures 114d - 114r.
  • the outermost channels 104 are defined by sidewall structures 104e, 104j, 104p on one side and sidewall structures 104f and 104q on the other side of the channel 104.
  • the inbound or interior channels 104 are defined by sidewall structures 104g, 104i, 104k, 104n, and 104r on one side and by sidewall structures 104f, 104h, 104m, and 104q on the opposite side. It is noted that the sidewall structure 104k is only provided at every other channel 104 such that two intermediate channel portions 104c are disposed between a pair of sidewall structures 104k.
  • the main body 102 is provided with a plurality of first snap member pairs 106 including a first snap member 106a and a second snap member 106b.
  • the first snap member pairs 106 are located proximate the first end 102a of the main body 102 and are oriented such that a channel 104 is disposed between the first and second snap member 106a, 106b.
  • the first and second snap members 106a, 106b each include a shoulder or horizontal extension portion 106c. The shoulders 106c extend towards each other to create a narrowed portion over the channel 104 to retain the splice protector 14 within the channel 104.
  • the first snap members 106 are deflectable.
  • the main body 102 is provided with a plurality of second snap member pairs 108 including a first snap member 108a and a second snap member 108b.
  • the second snap member pairs 108 are located proximate the second end 102b of the main body 102 and are oriented such that a channel 104 is disposed between the first and second snap member 108a, 108b.
  • the first and second snap members 108a, 108b each include a shoulder or horizontal extension portion 108c. The shoulders 108c extend towards each other to create a narrowed portion over the channel 104 to retain the splice protector 14 within the channel 104.
  • the snap members 108 are deflectable.
  • the main body 102 is provided with a plurality of first intermediate snap members 110.
  • the first intermediate snap members 110 are located between the first and second snap member pairs 106, 108 and adjacent the intermediate channel portion 104c of every other channel 104.
  • the first intermediate snap members 110 include a shoulder or horizontal extension portion 110a. The shoulders 110a extend towards the channel 104 to create a narrowed portion over the channel 104 to retain the splice protector 14 within the channel 104.
  • first intermediate snap members 110 are deflectable.
  • the main body 102 is provided with a plurality of second intermediate snap members 112.
  • the second intermediate snap members 112 are located between the first and second snap member pairs 106, 108 and, more
  • the second intermediate snap members 112 are disposed adjacent the intermediate channel portion 104c of every other channel 104 such that each channel 104 has either a first intermediate snap member 110 or a second intermediate snap member 112 adjacent the channel 104, but not both.
  • the second intermediate snap members 112 include a shoulder or horizontal extension portion 112a. The shoulders 112a extend towards the channel 104 to create a narrowed portion over the channel 104 to retain the splice protector 14 within the channel 104.
  • second intermediate snap members 112 are deflectable.
  • the splice protectors 14 are secured in pairs within the channels 104 such that each splice protector 14 is secured by one of the snap member pairs 106, 108 and one of the intermediate snap members 110, 112 on one side. Each splice protector 14 is also supported and retained within the channel 104 via the adjacent splice protector 14.
  • the top two splice protectors 14 (on the page) are secured within adjacent channels 104 as a splice protector pair.
  • the top splice protector 14 is secured by a second snap member pair 108 and by a first intermediate snap member 110.
  • the adjacent lower splice protector 14 which is staggered axially along the longitudinal axis X relative to the above splice protector 14, is secured by a first snap member pair 106 and by a second intermediate snap member 112.
  • the remaining splice protectors 14 are secured in this same manner.
  • the first and second snap member pairs 106, 108 of one channel 104 are located adjacent the narrower channel portions 104a, 104b and thus do not increase the overall width of the splice holder 100.
  • the intermediate snap members 110, 112 are located adjacent the splice protectors 14, these snap members do increase the overall width of the splice holder.
  • FIG. 15-17 a modified splice holder 100 design is presented. Many of the features of the splice holder 100 shown in Figures 15-17 are common with the splice holder 100 shown at Figures 1-14 and the description for the splice holder 100 shown at Figures 1-14 is generally applicable for the splice holder 100 shown in Figures 15-17.
  • the splice holder 100 shown at Figures 15-17 is different in that a cover 120 is provided to aid in retaining the splice protectors 14 within the channels 104.
  • the cover 120 extends over each of the channels 104 and is retained by a pair of locking tabs 104s extending from the sidewall structures of the splice holder 100 and through a pair of t-shaped slots 120a of the cover 120.
  • Other attachment configurations are possible.
  • a cover 120 is provided for the splice holder 100 of Figures 15-17, snap members are not provided. With the absence of the snap members, the sidewall structures defining the channels can be formed continuously.
  • sidewall structures 104e and 104g extend the entire length of the splice holder 100 in the example shown at Figures 15-17.
  • the holder 120 can be referred to as a holder arrangement.
  • the splice holder 100 is formed from a polymeric material.
  • the splice holder 100 is injection molded from a polymeric material.
  • the cover 120 is also a polymeric material, which can be injection molded. Other materials and formation processes are possible for the splice holder 100 and cover 120.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cable Accessories (AREA)

Abstract

L'invention concerne un support d'épissure haute densité destiné à maintenir des câbles à fibres optiques épissées. Le support d'épissure peut comprendre un corps principal définissant une pluralité de canaux pour recevoir les câbles à fibres optiques épissées. Le support d'épissure peut également comprendre des paires d'éléments d'encliquetage situées aux extrémités du corps principal pour retenir les fibres optiques. Le support d'épissure peut également comprendre des éléments d'encliquetage intermédiaires pour retenir des protecteurs d'épissure des câbles à fibres optiques épissées. Selon un aspect, l'invention concerne également deux réseaux ou rangées décalés d'éléments d'encliquetage intermédiaires, les éléments d'encliquetage intermédiaires étant situés sur chaque autre canal pour augmenter le pas ou la densité des câbles à fibres optiques stockés sur le support d'épissure.
PCT/EP2020/065592 2019-06-07 2020-06-05 Support d'épissure de grande capacité WO2020245335A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20731055.8A EP3980824A1 (fr) 2019-06-07 2020-06-05 Support d'épissure de grande capacité

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962858540P 2019-06-07 2019-06-07
US62/858,540 2019-06-07

Publications (1)

Publication Number Publication Date
WO2020245335A1 true WO2020245335A1 (fr) 2020-12-10

Family

ID=71016538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/065592 WO2020245335A1 (fr) 2019-06-07 2020-06-05 Support d'épissure de grande capacité

Country Status (2)

Country Link
EP (1) EP3980824A1 (fr)
WO (1) WO2020245335A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023027973A1 (fr) * 2021-08-23 2023-03-02 Commscope Technologies Llc Support d'épissure compact
EP4336234A1 (fr) * 2022-09-07 2024-03-13 Hauff-Technik GRIDCOM GmbH Dispositif de stockage pour dispositifs de protection des épissures de deux sections transversales différentes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6249636B1 (en) * 1999-09-07 2001-06-19 Lucent Technologies, Inc. High density fusion splice holder
US6249635B1 (en) * 1999-09-07 2001-06-19 Lucent Technologies, Inc. Universal fiber optic splice holder
EP2290418A1 (fr) * 2009-08-27 2011-03-02 Reichle & De-Massari AG Dispositif pour le stockage et la manipulation de guides d'ondes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6249636B1 (en) * 1999-09-07 2001-06-19 Lucent Technologies, Inc. High density fusion splice holder
US6249635B1 (en) * 1999-09-07 2001-06-19 Lucent Technologies, Inc. Universal fiber optic splice holder
EP2290418A1 (fr) * 2009-08-27 2011-03-02 Reichle & De-Massari AG Dispositif pour le stockage et la manipulation de guides d'ondes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023027973A1 (fr) * 2021-08-23 2023-03-02 Commscope Technologies Llc Support d'épissure compact
EP4336234A1 (fr) * 2022-09-07 2024-03-13 Hauff-Technik GRIDCOM GmbH Dispositif de stockage pour dispositifs de protection des épissures de deux sections transversales différentes

Also Published As

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