JPS6313008A - Tape type fiber cable and its manufacture - Google Patents
Tape type fiber cable and its manufactureInfo
- Publication number
- JPS6313008A JPS6313008A JP61157526A JP15752686A JPS6313008A JP S6313008 A JPS6313008 A JP S6313008A JP 61157526 A JP61157526 A JP 61157526A JP 15752686 A JP15752686 A JP 15752686A JP S6313008 A JPS6313008 A JP S6313008A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- fibers
- tape
- optical fiber
- coated optical
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000835 fiber Substances 0.000 title claims abstract 6
- 239000013307 optical fiber Substances 0.000 claims abstract description 42
- 239000011347 resin Substances 0.000 claims abstract description 39
- 229920005989 resin Polymers 0.000 claims abstract description 39
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 239000011247 coating layer Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 230000001678 irradiating effect Effects 0.000 abstract description 3
- 239000003365 glass fiber Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000004925 Acrylic resin Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、テープ状に配列された複数本の被覆光ファイ
バを、その長さ方向において、一体に接合された部分と
各心線が一心ずつ分離された部分とが交互に存在するテ
ープ型光ファイバケーブルとその製造方法に関するもの
である。[Detailed Description of the Invention] <Industrial Application Field> The present invention provides a method for connecting a plurality of coated optical fibers arranged in a tape-like manner so that the integrally joined portion and each core wire are aligned in the longitudinal direction of the coated optical fibers. The present invention relates to a tape-type optical fiber cable having alternately separated portions and a method for manufacturing the same.
〈従来の技術〉
従来から、このような間欠的な接合部を有するテープ電
線やフラットケーブル等は広く提案されている。そして
、その製造方法としては、例えば、最外層が熱可塑性樹
脂で被覆された心線をテープ状に並べ、当該樹脂の特性
に鑑みて、その長さ方向において一定間隔毎に加熱し、
樹脂を融着させる方法や、テープ状に並べた心線の一定
間隔部分をベルト状の被覆帯で結束する方法等が挙げら
れる。<Prior Art> Conventionally, tape wires, flat cables, and the like having such intermittent joints have been widely proposed. The manufacturing method includes, for example, arranging core wires whose outermost layer is coated with a thermoplastic resin in the form of a tape, and heating them at regular intervals in the length direction in consideration of the characteristics of the resin.
Examples include a method of fusing resin, and a method of binding core wires arranged in a tape shape at regular intervals with a belt-like covering band.
〈発明が解決しようとする問題点〉
しかしながら、上記した熱融着方法の場合はケーブル等
に対する熱的な影響が避けられず、又被覆外形を変形さ
せる等の問題があった。又、上記の被覆帯による結束方
法にあっては心線相互の一体結合はないため、被覆帯を
解いたとき、各心線がバラバラになり、使用上好ましく
ない等の問題があった。<Problems to be Solved by the Invention> However, in the case of the above-described heat fusion method, there are problems such as unavoidable thermal influence on the cable etc. and deformation of the outer shape of the covering. Furthermore, in the above-mentioned binding method using a covering band, since the core wires are not integrally bonded to each other, when the covering band is untied, each core wire falls apart, which is undesirable for use.
本発明は、このような従来の問題点に鑑みてなされたも
ので、特に、心線が光ファイバの場合において有用なも
のを提供せんとするものである。The present invention has been made in view of these conventional problems, and is intended to provide a method that is particularly useful when the core wire is an optical fiber.
〈問題点を解決するための手段〉
か〜る本発明の一つは、テープ状に配列された複数本の
被覆光ファイバの長さ方向の適宜間隔毎に樹脂接着部を
設けて一体接合したテープ型光ファイバケーブルにあり
、もう一つは、テープ状に配列された複数本の被覆光フ
ァイバを走行させ、その間に、紫外線硬化型樹脂を塗布
し、次に紫外線を前記被覆光ファイバの長さ方向に適宜
間隔をおいて間欠的に照射し、しかる後、未硬化の紫外
線硬化型樹脂を溶解させる溶剤中に通して未硬化樹脂部
分を除去し、樹脂接着部を間欠的に設けるようにしたテ
ープ型光ファイバケーブルの製造方法にある。<Means for Solving the Problems> One of the present inventions is to integrally bond a plurality of coated optical fibers arranged in a tape-like manner by providing resin bonding portions at appropriate intervals in the length direction. The other type is a tape-type optical fiber cable, in which a plurality of coated optical fibers arranged in a tape shape are run, an ultraviolet curable resin is applied between them, and then ultraviolet rays are applied to the length of the coated optical fibers. The resin is intermittently irradiated at appropriate intervals in the horizontal direction, and then passed through a solvent that dissolves the uncured ultraviolet curable resin to remove the uncured resin portions, thereby creating resin bonded parts intermittently. A method for manufacturing a tape-type optical fiber cable is provided.
〈作用〉
上記構成から、先ず、一体に接合された樹脂接着部と各
心線が一心ずつ分離された部分とが交互に形成されるた
め、口出し性や外形寸法性等が良く、分岐使用等に適し
たテープ型光ファイバケーブルが得られ、又、このよう
な光フアイバケーブルが熱的悪影響等を受けることなく
、量産性に冨んだ形で得られる。<Function> From the above structure, firstly, since the integrally bonded resin bonded part and the part where each core wire is separated one by one are formed alternately, the opening property and external dimensions are good, and the branching use etc. A tape-type optical fiber cable suitable for this purpose can be obtained, and such an optical fiber cable can be obtained in a form that is suitable for mass production without suffering from adverse thermal effects.
〈実施例〉
第１図〜第３図は本発明に係るテープ型光ファイバケー
ブルの一例を示したものである。<Example> FIGS. 1 to 3 show an example of a tape-type optical fiber cable according to the present invention.
このケーブル１において、２は被覆光ファイバで、本例
では内部のガラスファイバ２ａとその外周に施した一次
被覆層（緩衝層）２ｂとからなり、この心線２の複数本
がテープ状に並べられ、その長さ方向には一定間隔毎に
樹脂接着部３が設けられている。In this cable 1, 2 is a coated optical fiber, and in this example, it consists of an internal glass fiber 2a and a primary coating layer (buffer layer) 2b applied to its outer periphery, and a plurality of core wires 2 are arranged in a tape shape. The resin adhesive portions 3 are provided at regular intervals in the length direction.
この樹脂接着部３は、例えばエポキシアクリレート樹脂
、ウレタンアクリレート樹脂、ポリブタジェン７クリレ
ート樹脂、シリコーンアクリレート樹脂等の紫外線硬化
型樹脂で形成される。This resin bonding portion 3 is formed of an ultraviolet curable resin such as epoxy acrylate resin, urethane acrylate resin, polybutadiene 7 acrylate resin, silicone acrylate resin, or the like.
従って、本ケーブル１では、各被覆光ファイバ２・・・
が一体に接合されたこの樹脂接着部３部分と各心線が一
心ずつ分離された部分とが交互に繰り返される。Therefore, in this cable 1, each coated optical fiber 2...
The parts of the resin bonded portion 3 in which the core wires are integrally joined and the parts in which the core wires are separated one by one are alternately repeated.
か＼る本発明のテープ型光ファイバケーブル１は、例え
ば第４図に示した装置系を用いた本発明方法により製造
することができる。The tape-type optical fiber cable 1 of the present invention can be manufactured, for example, by the method of the present invention using the apparatus system shown in FIG.
即ち、複数の送出装置４・・・から被覆光ファイバ２・
・・をテープ状に並べて、樹脂塗布装置５に導き、ここ
で、紫外線硬化型樹脂を被覆光ファイバ２・・・の全外
周に塗布する。次に、この樹脂の塗布された被覆光ファ
イバ２・・・を紫外線照射装置６に入れ、被覆光ファイ
バ２・・・の長さ方向に対して、一定の間隔を持って、
紫外線をそ全周に照射する。この紫外線の間欠的な照射
方法は特に限定されないが、例えば第５図又は第６図に
示した方法により行う。第５図の場合は被覆光ファイバ
２・・・と同一方向に同速度で走行するベルト７．７の
内部に紫外線源（ランプ）８・・・を設置すると共に該
ベルト７．７には一定間隔を置いて照射窓（図示省略）
を設け、この窓から心線２・・・外周に一定間隔毎に紫
外線を照射する方法であり、第６図の場合は紫外線源（
ランプ）８・・・の前に開閉シャッター９・・・を設け
、このシャッター９・・・により紫外線を心′４ＩＡ２
・・・外周に一定間隔毎に照射する方法である。That is, the coated optical fiber 2.
. . are arranged in a tape shape and guided to the resin coating device 5, where an ultraviolet curable resin is applied to the entire outer periphery of the coated optical fibers 2 . Next, the coated optical fiber 2 coated with this resin is put into the ultraviolet irradiation device 6, and the coated optical fiber 2 is placed at a constant interval in the length direction of the coated optical fiber 2...
Irradiate the entire circumference with ultraviolet light. The method of intermittent irradiation with ultraviolet rays is not particularly limited, but may be performed, for example, by the method shown in FIG. 5 or 6. In the case of Fig. 5, an ultraviolet light source (lamp) 8 is installed inside a belt 7.7 that runs in the same direction and at the same speed as the coated optical fiber 2, and a constant Irradiation windows at intervals (not shown)
This is a method of irradiating ultraviolet rays from this window to the outer periphery of the core wire 2 at regular intervals. In the case of Fig. 6, an ultraviolet source (
An opening/closing shutter 9... is provided in front of the lamp) 8..., and this shutter 9...
...This is a method of irradiating the outer circumference at regular intervals.
この紫外線照射装置６で、紫外線の照射された樹脂部分
は硬化し、隣接する被覆光ファイバ２・・・同志を接着
させ、上述した樹脂接着部３を形成する。尚、この段階
では、未照射部分の樹脂は未硬化物としてそのまま塗布
層として残る。In this ultraviolet irradiation device 6, the resin portion irradiated with ultraviolet rays is cured, and the adjacent coated optical fibers 2 are bonded together to form the resin bonded portion 3 described above. At this stage, the resin in the unirradiated portion remains as an uncured material as a coating layer.
このため、この被覆光ファイバ２・・・を紫外線硬化型
樹脂を溶解させる溶剤１０の充填された溶剤槽１１に通
し、この溶剤１０により上記未硬化樹脂は除去する。こ
の溶剤１０としては、例えばメチルエチルケトン（ＭＥ
Ｋ） 、アセトン等のケトン類、エタノール、イソプロ
ビルアルコール等のアルコール類等が挙げられる。For this purpose, the coated optical fibers 2 are passed through a solvent bath 11 filled with a solvent 10 for dissolving the ultraviolet curable resin, and the uncured resin is removed by the solvent 10. As the solvent 10, for example, methyl ethyl ketone (ME
K), ketones such as acetone, alcohols such as ethanol and isopropyl alcohol, and the like.
この後、乾燥装置１２に導き、溶剤１０等を乾燥除去し
、巻取装置１３で巻き取る。Thereafter, it is led to a drying device 12 to dry and remove the solvent 10 and the like, and then wound up by a winding device 13.
これにより、完成した本発明のテープ型光ファイバケー
ブル１が得られる。As a result, the completed tape-type optical fiber cable 1 of the present invention is obtained.
尚、本発明において、被覆光ファイバ２は一次被覆２ｂ
の他に２次被覆があってもよく、又樹脂接着部３と分離
部分の間隔の長さは自在に設定できること、勿論である
。In the present invention, the coated optical fiber 2 has a primary coating 2b.
It goes without saying that a secondary coating may be provided in addition to this, and that the length of the interval between the resin bonded portion 3 and the separated portion can be freely set.
〈発明の効果〉
以上の説明から明らかなように本発明によれば、次のよ
うな優れた効果が得られる。<Effects of the Invention> As is clear from the above description, according to the present invention, the following excellent effects can be obtained.
（１）、先ず、本発明のテープ型光ファイバケーブルは
、一体に接合された部分（樹脂接着部）と各心線が−６
ずつ分離された部分とが交互に形成されているため、口
出しや分岐配線等の場合、分離部分を切断すればよく、
極めて作業性が良い。(1) First, in the tape-type optical fiber cable of the present invention, the integrally joined part (resin bonded part) and each core wire are -6
Since the separated parts are formed alternately, in the case of lead-out or branch wiring, all you need to do is cut the separated parts.
Extremely easy to work with.
（２）、又、製造に当たって、熱的な処理が全くないた
め、被覆光ファイバに対する悪影響や外形寸法の型崩れ
等も全く生じない。従って、光ファイバの場合、コア直
視型融着接続機等の高精度な装置での接続が可能である
。特に、５Ｍ光ファイバケーブルのような低損失な接続
が要求されるものにおいて有効である。(2) Furthermore, since there is no thermal treatment at all during manufacturing, there is no adverse effect on the coated optical fiber, no deformation of the external dimensions, etc. Therefore, in the case of optical fibers, it is possible to connect them using a highly accurate device such as a core direct-view type fusion splicer. This is particularly effective in applications requiring low-loss connections such as 5M optical fiber cables.
（３）、又、樹脂接着部では各被覆光ファイバは一体に
接合されているため、分離部分での切断により各心線が
バラバラになることはなく、取扱い易い。(3) Also, since each coated optical fiber is integrally joined at the resin bonding part, each core wire will not be separated by cutting at the separation part, and it is easy to handle.
更に又、樹脂接着部と分離部分で切断すれば、一体接合
部と多数の単心線からなる変換器等の部品として使用す
ることも可能である。Furthermore, if it is cut at the resin bonded part and the separated part, it can be used as a component for a converter or the like consisting of an integrally joined part and a large number of single-core wires.
（４）０次に本発明の製造方法の場合、連続製造が可能
で、量産向きで、コストパフォーマンスに優れている。(4) Next, the manufacturing method of the present invention allows continuous manufacturing, is suitable for mass production, and has excellent cost performance.
第１図は本発明に係るテープ型光ファイバケーブルの一
実施例を示した平面図、第２図は第１図のＩＩ−ＩＩ線
の縦断面図、第３図は第１図のｍ−ｍ線の縦断面図、第
４図は本発明に係る当該ケーブルの製造方法を実施する
ための装置系の一例を示した概略説明図、第５図（Ａ）
、 （Ｂ）は第４図の装置系で用いられる紫外線照射
装置の各側を示した概略説明図である。
図中
１・・・テープ型光ファイバケーブル、２・・・被覆光
ファイバ、
３・・・樹脂接着部、
４・・・被覆光ファイバの送出装置、
５・・・紫外線硬化型樹脂の樹脂塗布装置、６・・・紫
外線照射装置、
１０・・・溶剤、
１１・・・溶剤槽、
１２・・・乾燥装置、FIG. 1 is a plan view showing an embodiment of the tape-type optical fiber cable according to the present invention, FIG. 2 is a vertical sectional view taken along line II-II in FIG. 1, and FIG. FIG. 4 is a vertical cross-sectional view of the m-line, and FIG. 5 is a schematic explanatory diagram showing an example of a device system for carrying out the method for manufacturing the cable according to the present invention.
, (B) is a schematic explanatory diagram showing each side of the ultraviolet irradiation device used in the device system of FIG. 4. In the figure, 1...Tape type optical fiber cable, 2...Coated optical fiber, 3...Resin adhesive part, 4...Delivery device for coated optical fiber, 5...Resin coating of ultraviolet curable resin Device, 6... Ultraviolet irradiation device, 10... Solvent, 11... Solvent tank, 12... Drying device,
Claims (3)
の長さ方向の適宜間隔毎に樹脂接着部を設けて一体接合
したことを特徴とするテープ型光ファイバケーブル。(1) A tape-type optical fiber cable characterized in that a plurality of coated optical fibers arranged in a tape-like manner are integrally joined by providing resin bonding portions at appropriate intervals in the length direction.
を特徴とする特許請求の範囲第１項記載のテープ型光フ
ァイバケーブル。(2) The tape-type optical fiber cable according to claim 1, wherein the resin bonded portion is made of an ultraviolet curable resin.
を走行させ、その間に、紫外線硬化型樹脂を塗布し、次
に紫外線を前記被覆光ファイバの長さ方向に適宜間隔を
おいて間欠的に照射し、しかる後、未硬化の紫外線硬化
型樹脂を溶解させる溶剤中に通して未硬化樹脂部分を除
去し、樹脂接着部を間欠的に設けるようにしたことを特
徴とするテープ型光ファイバケーブルの製造方法。(3) A plurality of coated optical fibers arranged in a tape shape are run, an ultraviolet curable resin is applied between them, and then ultraviolet rays are applied intermittently at appropriate intervals in the length direction of the coated optical fibers. 2. A tape-type light beam that is characterized in that it is irradiated with UV rays, and then passed through a solvent that dissolves uncured ultraviolet curable resin to remove uncured resin portions and provide resin bonded portions intermittently. Method of manufacturing fiber cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61157526A JPS6313008A (en) | 1986-07-04 | 1986-07-04 | Tape type fiber cable and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61157526A JPS6313008A (en) | 1986-07-04 | 1986-07-04 | Tape type fiber cable and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6313008A true JPS6313008A (en) | 1988-01-20 |
Family
ID=15651594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61157526A Pending JPS6313008A (en) | 1986-07-04 | 1986-07-04 | Tape type fiber cable and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6313008A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211412A (en) * | 1989-02-13 | 1990-08-22 | Fujikura Ltd | Coated optical fiber, cable, and postbranching method for this cable |
| WO1997009648A1 (en) * | 1995-09-07 | 1997-03-13 | Dsm N.V. | Optical glass fiber ribbon assembly and radiation curable matrix forming composition |
| WO2003100495A1 (en) * | 2002-05-28 | 2003-12-04 | Sumitomo Electric Industries, Ltd. | Optical fiber tape core |
| JP2005055505A (en) * | 2003-08-05 | 2005-03-03 | Sumitomo Electric Ind Ltd | Optical fiber ribbon, manufacturing apparatus for optical fiber ribbon and manufacturing method of optical fiber ribbon |
| JP2005114830A (en) * | 2003-10-03 | 2005-04-28 | Sumitomo Electric Ind Ltd | Optical wiring component and its manufacturing method |
| US7151879B2 (en) | 2002-11-06 | 2006-12-19 | Sumitomo Electric Industries, Ltd. | Optical fiber ribbon that is easily branched into individual optical fibers and optical fiber cable using the same |
| US7168184B2 (en) | 2000-04-13 | 2007-01-30 | Kit Shoe Limited | Shoes |
| JP2009098342A (en) * | 2007-10-16 | 2009-05-07 | Sumitomo Electric Ind Ltd | Optical cable |
| JP2010002743A (en) * | 2008-06-20 | 2010-01-07 | Fujikura Ltd | Method of manufacturing optical fiber ribbon and apparatus thereof |
| WO2018168364A1 (en) * | 2017-03-15 | 2018-09-20 | 株式会社巴川製紙所 | Optical fiber distribution member |
-
1986
- 1986-07-04 JP JP61157526A patent/JPS6313008A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02211412A (en) * | 1989-02-13 | 1990-08-22 | Fujikura Ltd | Coated optical fiber, cable, and postbranching method for this cable |
| WO1997009648A1 (en) * | 1995-09-07 | 1997-03-13 | Dsm N.V. | Optical glass fiber ribbon assembly and radiation curable matrix forming composition |
| US7168184B2 (en) | 2000-04-13 | 2007-01-30 | Kit Shoe Limited | Shoes |
| CN100371754C (en) * | 2002-05-28 | 2008-02-27 | 住友电气工业株式会社 | Optical fiber tape core |
| WO2003100495A1 (en) * | 2002-05-28 | 2003-12-04 | Sumitomo Electric Industries, Ltd. | Optical fiber tape core |
| US7116872B2 (en) | 2002-05-28 | 2006-10-03 | Sumitomo Electric Industries, Ltd. | Optical fiber tape core |
| EP1558957B1 (en) * | 2002-11-06 | 2010-04-21 | Sumitomo Electric Industries, Ltd. | Optical fiber ribbon and optical fiber cable using the same |
| US7151879B2 (en) | 2002-11-06 | 2006-12-19 | Sumitomo Electric Industries, Ltd. | Optical fiber ribbon that is easily branched into individual optical fibers and optical fiber cable using the same |
| JP2005055505A (en) * | 2003-08-05 | 2005-03-03 | Sumitomo Electric Ind Ltd | Optical fiber ribbon, manufacturing apparatus for optical fiber ribbon and manufacturing method of optical fiber ribbon |
| JP2005114830A (en) * | 2003-10-03 | 2005-04-28 | Sumitomo Electric Ind Ltd | Optical wiring component and its manufacturing method |
| JP2009098342A (en) * | 2007-10-16 | 2009-05-07 | Sumitomo Electric Ind Ltd | Optical cable |
| JP2010002743A (en) * | 2008-06-20 | 2010-01-07 | Fujikura Ltd | Method of manufacturing optical fiber ribbon and apparatus thereof |
| WO2018168364A1 (en) * | 2017-03-15 | 2018-09-20 | 株式会社巴川製紙所 | Optical fiber distribution member |
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