WO2001035139A1 - Procede et dispositif destine a relier des bandes de fibres optiques - Google Patents

Procede et dispositif destine a relier des bandes de fibres optiques Download PDF

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Publication number
WO2001035139A1
WO2001035139A1 PCT/DE2000/003916 DE0003916W WO0135139A1 WO 2001035139 A1 WO2001035139 A1 WO 2001035139A1 DE 0003916 W DE0003916 W DE 0003916W WO 0135139 A1 WO0135139 A1 WO 0135139A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
guide
fiber
sliver
channel
Prior art date
Application number
PCT/DE2000/003916
Other languages
German (de)
English (en)
Inventor
Siegfried Unterberger
Original Assignee
Scc Special Communication Cables Gmbh & Co. Kg
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 Scc Special Communication Cables Gmbh & Co. Kg filed Critical Scc Special Communication Cables Gmbh & Co. Kg
Priority to AU25013/01A priority Critical patent/AU2501301A/en
Publication of WO2001035139A1 publication Critical patent/WO2001035139A1/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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/448—Ribbon cables

Definitions

  • the invention relates to a method and a device for connecting two fiber optic ribbon with several, for example ⁇ example, twelve optical fibers (LWL).
  • LWL twelve optical fibers
  • the optical waveguides are surrounded by a sheath, around the light ⁇ protect waveguide and adjacent to hold in a position to form a flat ribbon with the optical waveguides.
  • the optical fibers are provided with cladding layers of different colors be ⁇ coated, and the colors alternate in the transverse direction of the fiber ribbon from. The color coding of the fiber ribbons is easily recognizable, among other things, because all the fibers lie in one plane.
  • the invention is based on the object of providing a method and a device for connecting two optical waveguide fiber strips, the costs and the space requirement being reduced compared to the conventional solution.
  • the erfmdungsgespecializede method of connecting fiber optic Faserbandchen is characterized in that the Faserbandchen be guided parallel to each other with a gap spaced apart end faces, and that the fiber ⁇ bandchen are frontally glued to each other.
  • the use of the adhesive technique for connecting the fiber strips saves material because the adhesive material only has to be inserted between the end faces of the two fiber strips.
  • the coating provided around the optical fibers in a fiber ribbon with twelve optical fibers is not further improved, the space requirement of the fiber ribbons produced according to the invention is also less.
  • An advantageous embodiment of the method according to the invention is characterized in that the fiber strips are guided in a guide channel in an adhesive tool, the fiber strips being completely enclosed and thus guided in a distributed manner.
  • An advantageous embodiment of the method according to the invention is characterized in that guide areas lying closer to one another in the longitudinal direction of the sliver are guided. Since the fiber slivers are not guided over the entire length, in which a guide is required for exact gluing, the friction between the fiber slivers and the guide means is advantageously reduced.
  • a further advantageous embodiment of the method according to the invention is characterized in that air cushions are generated in the guide channel or the guide sections below and / or above the large-area sides of the sliver, whereby the friction between the sliver and the guide means is further reduced.
  • a further advantageous embodiment of the method according to the invention is characterized in that an adhesive is fed along a predetermined distance in the longitudinal direction of the sliver.
  • a further advantageous embodiment of the method according to the invention is characterized in that the adhesive is introduced into the gap from above and below the sliver. As a result, better penetration of the gap with adhesive is advantageously achieved.
  • a further advantageous embodiment of the method according to the invention is characterized in that a UV adhesive is used as the adhesive, which is cured by the action of UV light.
  • a UV adhesive is used as the adhesive, which is cured by the action of UV light.
  • This material for example the Borden MKU 71669 adhesive, is particularly suitable as an adhesive because this material is also used to coat the twelve-fiber strips, so that good bonding between the sheathing of the two fiber strips on their end faces is ensured.
  • a device for connecting two fiber optic fiber tapes is characterized by a guide device in an adhesive tool, which the two the Faserbandchen in parallel next to each other with a gap spaced apart end faces, and by an adhesive supplying device in the adhesive tool having at Be ⁇ reaching the gap between the mouth of a Faserbandchen adhesive dispensing.
  • This device ensures that a uniform adhesive gap is produced between the fiber tapes by guiding the two fiber tapes very precisely parallel into the adhesive tool.
  • the arrangement of the Klebstoffzuschreibemraum provides advantageous manner ensures that the gap between the fiber ⁇ bandchen and only the gap with adhesive is filled. This achieves the desired connection function on the one hand and the material savings that are also desired on the other hand.
  • An advantageous embodiment of the inventive Before ⁇ device is characterized in that the Fuhrungsemcardi has a channel, which encloses the two Faserbandchen on all sides, wherein in an advantageous manner eme Si chere leadership of Faserbandchen is ensured.
  • a further advantageous embodiment of the device according to the invention is characterized in that the guide channel has at least one narrowed guide section which guides the two fiber ribbons, and that the guide channel otherwise has a cross section which is widened compared to the narrowed guide sections.
  • the friction between the slivers and the guide channel is advantageously limited to the friction in the guide sections and thus reduced.
  • a further advantageous embodiment of the device according to the invention is characterized in that two guide sections are provided along the guide channel and the section to one another. This will ensure a safe all-round Guidance of the sliver is achieved and the friction between the gluing tool and the sliver is reduced to an acceptable level.
  • Eme further advantageous embodiment of the inventive device is characterized in that the m Fuhrungs ⁇ channel at least at the eme Fuhrungsabroughen compressed-air outlet opening is respectively provided for generating a Lucaskis ⁇ sens between the guide channel and the large-area sides of the Faserbandchen.
  • the air cushion advantageously reduces the frictional resistance between the gluing tool and the fiber strips.
  • Eme further advantageous embodiment of the inventive device is characterized in that on both Be ⁇ th of Fuhrungskanals least eme compressed-air outlet opening is provided ⁇ that the friction between the Faserbandchen and the bonding tool further lowers.
  • a further advantageous embodiment of the device according to the invention is characterized in that a plurality of compressed air outlet openings are provided on a large-area side of the fiber strips, which openings are spaced in the direction transverse to the longitudinal direction of the fiber strips. If, for example, two compressed air outlet openings are provided next to one another, an air cushion is generated for each of the original slivers above and / or below, which leads to a symmetrical loading of the sliver with compressed air and thus to a particularly advantageous guidance of the sliver.
  • a further advantageous embodiment of the device according to the invention is characterized in that the adhesive supply device has a supply container in the adhesive tool, which is connected to a mouth via a channel is.
  • the adhesive is thus stored in the adhesive tool between ⁇ and supplied to the mouth in sufficient quantity so that an adequate supply of adhesive is always ensured at the gap between the fiber strips.
  • a further advantageous embodiment of the device according to the invention is characterized in that the mouth has an elongated hole, the long axis of which coincides with the gap between the slivers. If the slivers are moved past the mouth, the adhesive therefore has enough time to penetrate the gap between the end faces of the slivers and to completely fill the gap.
  • a further advantageous embodiment of the device according to the invention is characterized in that the elongated hole of the gluing tool lies above the sliver when these are moved by the gluing tool.
  • the adhesive thus advantageously penetrates the gap from above, so that the gap is filled securely even when the fiber slivers are moved relatively quickly by the adhesive tool.
  • a further advantageous embodiment of the device according to the invention is characterized in that a further mouth of an adhesive is arranged 68 for adhesive on the side of the adhesive tool opposite the elongated hole.
  • the adhesive chamber 68 also fills with adhesive when the adhesive tool is attached, so that the adhesive is introduced from both sides of the gap. This further improves the penetration of the gap with adhesive.
  • a further advantageous embodiment of the device according to the invention is characterized in that the further mouth is designed as an elongated hole, which also means that the adhesive has enough time in the chamber to penetrate the gap between the slivers.
  • Eme further advantageous embodiment of the inventive apparatus is characterized in that the further Mun ⁇ manure over a channel m the lower part and a channel m the upper part is connected to the Zubowbehalter.
  • the further mouth is also supplied directly with adhesive, so that this is always present in sufficient quantity in the gap
  • a further advantageous embodiment of the device according to the invention is characterized in that the adhesive feed device is located behind the guide device in the running direction of the sliver. It is advantageous here that the adhesive is introduced at a point in the gap between the slivers where the slivers are optimally guided.
  • a further advantageous embodiment of the device according to the invention is characterized in that the adhesive tool is subdivided essentially along a plane of the fiber strips with the upper part and the lower part, and that the guide channel or the guide section is separated by a step from the upper part and a step Bottom part is formed, the steps forming the lateral boundaries of the guide channel or the guide section m with respect to the fiber sliver.
  • the upper part and the lower part of the adhesive tool with their surfaces can be placed exactly on top of one another, so that a guide gap or guide channel corresponding to the dimensions of the fiber strips is formed.
  • a further advantageous embodiment of the device according to the invention is characterized in that the upper part be mounted at the joining together of the bonding tool relative to the lower part ⁇ offset, wherein the width of the channel or of the Fuhrungs- Fuhrungsabiteses is to vary.
  • the adhesive tool can be advantageously used for m Faserbandchen that m their wide Dimensi ⁇ on differ slightly.
  • a further advantageous embodiment of the device according to the invention is characterized in that a transport device is provided in order to transport the sliver through the adhesive tool, whereby the connection of the sliver can be automated.
  • Figure 1 em from fiber bundle with e twelve optical fibers fiber band with twenty-four optical fibers;
  • Figure 2 shows a section through the upper part of an adhesive tool;
  • FIG. 3 shows a section through the lower part of an adhesive tool
  • Figure 4 is a bottom plan view of the top of Figure 2;
  • Figure 5 is a section through the top along line A-B of Figure 4.
  • FIG. 6 shows a section through a section of the upper part
  • FIG. 7 shows a further detail section through the upper part, as indicated by X m in FIG. 2;
  • Figure 8 is a top plan view of the lower part of Figure 3;
  • Figure 9 shows a section through the lower part of Figure 8 along the line AB; and Figure 10 shows a detail section of the lower part, as indicated by Y Figure 9.
  • Figure 1 is a section through a sliver, which is composed of two slivers 4, 6, each with twelve optical fibers 8, 10.
  • the two fiber tapes 4, 6 each have a jacket 12 and 14, respectively.
  • the sheaths 12, 14 are adhered to a splice 16 with each end face ⁇ ver.
  • the individual fibers 8, 10 are sheathed in color, for example white, red, yellow and so on, in order to be able to distinguish the individual fibers during assembly and also to build up a color code for the fiber strips.
  • the dimensions of a typical example of such sliver are given in FIG. 1, the total width of the sliver 2 with twenty-four optical fibers 6.38 ⁇ 0.29 mm, the height 0.290 ⁇ 0.03 mm and the gap between the two slivers 4 and 6 is 30 to 100 ⁇ m. In such a thick dimension, it is seen important that the thickness is not layered with additional cladding ⁇ may be further strengthened. The dimension of the gap shows how important it is that the adhesive can move into the gap sufficiently quickly and spread there.
  • Figure 2 shows a section through the upper part 20 of an adhesive tool
  • Figure 3 shows a section through the lower part 22 of the adhesive tool.
  • the upper part 20 When the upper part 20 is placed on the lower part 22, they form a guide device between them for the fiber ribbons in the form of a guide channel.
  • a step 24 is provided on the underside of the upper part 20
  • a step 26 is provided on the upper side of the lower part 22, as shown in detail in FIG. 6 for the upper part and FIG. 10 for the lower part.
  • the guide channel In the guide channel are two narrowed Fuhrungsabitese by two plateaus 28, 30 on the underside of the upper part 20 and two plateaus 32, 34 terteils respectively provided on the top of the area of the Un ⁇ Fuhrungskanals.
  • the plateau 28 passes over a step 36 and the plateau 30 over a step 38 m the underside, which is formed by the step 24 on the upper part (FIG. 4).
  • the plateau 32 passes over a step 40 and the plateau 34 over a step 42 into the upper side of the lower part 22, which is formed by the step 26.
  • the narrowed guide sections are formed by the plateaus 28, 30, 32, 34 and the steps 36, 38 or 40, 42 which are drawn inwards relative to the steps 24, 26 towards the center of the guide channel hm, the deionization of which is as precise as possible is matched to the outer dimensions of the sliver.
  • the two fiber strips run through the guide channel and over the guide sections, the two fiber strips are guided in parallel next to one another with end faces spaced apart by a gap.
  • the guide channel is narrowed in the guide sections, and otherwise it has a cross section which is widened compared to the narrowed guide sections.
  • compressed air outlet openings 44 to 58 are provided in the guide sections, the outlet openings 44, 46 m in the plateau 28, the outlet openings 48, 50 m the plateau 30, the outlet openings 52, 54 m the plateau 32 and the exit openings 56, 58 are in the plateau 34.
  • the outlet openings serve to hold air cushions between the narrowed guide sections and a large side of the sliver Chen to produce that trim the sliver on both sides ⁇ and thus reduce the friction between the sliver and the guide sections. Eme friction thus occurs essentially only with the steps 36, 38, 40, 42 instead, as long as the Faserbandchen in the guide channel befin ⁇ .
  • the mouth 64 thus lies above the fiber tapes that are transported through the adhesive tool.
  • the adhesive comprises zubowemcardi eme more Klebstoffmundung 66 ei ⁇ ner adhesive chamber 68 ( Figure 3) on top of the lower part 22, wherein the mouth of 66 is arranged on the opposite side of the Klebstoffmundung 64 Fuhrungskanals.
  • the further mouth 66 is also designed as an elongated hole that opens to the guide channel hm.
  • the adhesive mouths 64, 66 have the same dimensions and position in relation to the guide channel or the continuous fiber strips, that is to say the mouthings lie in the area of the gap between the two strips, so that the adhesive can be supplied to a sufficient extent to fill the gap , As can be seen from FIGS.
  • the further mouth 66 is connected to the feed container 60 via a channel 67 m to the lower part 22 and a channel 69 m to the upper part 20.
  • the mouthings 64, 68 lie behind the guide sections, which are formed by the plateaus 28 to 34, in the running direction of the slivers.
  • FIGS. 2 and 3 show compressed air supply ducts 70, 72 which are connected to the compressed air openings, which are knot-shaped, via connecting ducts.
  • the Verbmdungskanale 74, 76 provided between the channel 72 and the air-outlet openings 56, 58 are ⁇ .
  • the compressed air outlet openings 52, 54 are also connected to the channel 72.
  • In the upper part there is a channel 78 for the supply of compressed air, which is connected to the compressed air outlet openings 44 to 50 as in the lower part.
  • the two parts are inserted in a clamping device (not shown) and clamped together. Due to the described design of the underside of the upper part 20 and the upper side of the lower part 22, the upper part 20 can be mounted with a slight offset relative to the lower part when the adhesive tool is joined together, so that the width of the guide channel or the guide sections can be varied in this way.
  • the function of the guide channel, the guide sections, the air cushions and the adhesive mouth is not adversely affected because the deviations of the fiber strips are not of the order of magnitude of these elements of the adhesive tool.
  • the slivers are transported from left to right (viewing direction as in Figures 2, 3, 4 and 8) through the guide channel.
  • a transport device (not shown) is provided for this purpose, which consists of two dispenser rolls for the fiber strips with twelve optical fibers each and a winding roller behind the adhesive tool for the bonded fiber strips or another transport device for the state of the art Sliver can exist.
  • a UV resin is used as the adhesive, a UV lamp is provided in order to crosslink the adhesive after the fiber tapes have emerged from the adhesive tool.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne un procédé et un dispositif destiné à relier deux bandes de fibres optiques (4, 6) comportant plusieurs fibres optiques, par exemple douze, consistant à disposer les bandes de fibres optiques (4, 6) parallèlement l'une à côté de l'autre, les côtés avants étant espacés, et à coller les bandes de fibres optiques l'une à l'autre côté avant. A cet effet, ledit dispositif est composé d'un système de guidage (28, 30, 32, 34) disposé dans un outil de collage (20, 22), destiné à guider les deux bandes de fibres optiques (4, 6) parallèlement l'une à côté de l'autre avec espacement des côtés avants, et d'un système d'alimentation de colle (60) disposé dans l'outil de collage (20, 22), présentant un écoulement (64) d'alimentation de colle au niveau de l'espace entre les bandes de fibres optiques (4, 6).
PCT/DE2000/003916 1999-11-10 2000-11-09 Procede et dispositif destine a relier des bandes de fibres optiques WO2001035139A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25013/01A AU2501301A (en) 1999-11-10 2000-11-09 Method and device for connecting optical fibre strips

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19954071.3 1999-11-10
DE1999154071 DE19954071A1 (de) 1999-11-10 1999-11-10 Verfahren und Vorrichtung zum Verbinden von LWL-Faserbändchen

Publications (1)

Publication Number Publication Date
WO2001035139A1 true WO2001035139A1 (fr) 2001-05-17

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ID=7928552

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2000/003916 WO2001035139A1 (fr) 1999-11-10 2000-11-09 Procede et dispositif destine a relier des bandes de fibres optiques

Country Status (3)

Country Link
AU (1) AU2501301A (fr)
DE (1) DE19954071A1 (fr)
WO (1) WO2001035139A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012901A1 (fr) * 1978-12-29 1980-07-09 Siemens Aktiengesellschaft Procédé de fabrication de coupleurs de guides d'ondes optiques
GB2058396A (en) * 1979-09-04 1981-04-08 Bunker Ramo Terminating Optic Fibers
EP0859253A1 (fr) * 1996-08-01 1998-08-19 Furukawa Denki Kogyo Kabushiki Kaisha Connecteur optique a noyaux multiples et procede de fabrication de ce connecteur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0012901A1 (fr) * 1978-12-29 1980-07-09 Siemens Aktiengesellschaft Procédé de fabrication de coupleurs de guides d'ondes optiques
GB2058396A (en) * 1979-09-04 1981-04-08 Bunker Ramo Terminating Optic Fibers
EP0859253A1 (fr) * 1996-08-01 1998-08-19 Furukawa Denki Kogyo Kabushiki Kaisha Connecteur optique a noyaux multiples et procede de fabrication de ce connecteur

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Publication number Publication date
DE19954071A1 (de) 2001-05-17
AU2501301A (en) 2001-06-06

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