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    • 2. 发明专利
    • 光ファイバ接続工具及び光ファイバ接続方法
    • 光纤连接工具和光纤连接方法
    • JP2014219517A
    • 2014-11-20
    • JP2013097890
    • 2013-05-07
    • 株式会社フジクラFujikura Ltd日本電信電話株式会社Nippon Telegr & Teleph Corp
    • TAKAHASHI SHIGEONAKAMA AKIHIROYAMAGUCHI TAKASHITAKIZAWA KAZUHIROKIHARA MITSURUIZUMIDA HISASHISHIMIZU TOMOYA
    • G02B6/24
    • G02B6/24
    • 【課題】光ファイバ接続器の内部において光ファイバが突き合わせ接続される前の段階において、光ファイバの撓みや座屈を防止できるようにする。【解決手段】光ファイバ1を保持する光ファイバホルダ110と、光ファイバ接続器A及び光ファイバホルダ110を設置する設置台120と、を備えた光ファイバ接続工具100を提供する。光ファイバホルダ110は、設置台120に設置された状態において光ファイバ接続器Aに対して近接離間する方向に移動可能とされる。設置台120は、光ファイバホルダ110と光ファイバ接続器Aの挿入口25との間に設けられる。設置台120は、光ファイバ1を挿通させる挿通孔156,166を有するファイバガイド部132,133を備える。ファイバガイド部132,133は、光ファイバホルダ110の移動方向に移動可能である。【選択図】図4
    • 要解决的问题:提供一种光纤连接工具,其能够防止在光纤面对并连接在光纤连接装置之前的阶段中的光纤的偏转和屈曲。解决方案:光纤连接工具100包括: 用于保持光纤1的光纤夹具110和用于安装光纤连接器A和光纤夹具110的安装基座120.光纤夹具110可沿与光纤连接器A相邻的方向移动 设置在安装基座120中的状态。安装基座120设置在光纤夹具110与光纤连接器A的插入开口25之间,并且包括具有用于插入光学器件的插入孔156和166的光纤引导部件132和133 纤维引导部132,133能够沿着光纤夹具110的移动方向移动。
    • 3. 发明专利
    • Optical fiber cable
    • 光纤电缆
    • JP2013105133A
    • 2013-05-30
    • JP2011250507
    • 2011-11-16
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • SHIOBARA SATORUOKADA NAOKIITO NAOTOSHIMIZU TOMOYASASAKI TADASHIDAIDO JUNJITAKAMIZAWA KAZUTOSHINUMATA TETSUHIRO
    • G02B6/44
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical fiber cable that can be simply connected to existing wiring and enables wiring of bending in a small diameter.SOLUTION: An optical fiber cable includes: a coated optical fiber 2; a pair of tension members 10, made of a resin material, drawn in parallel with each other in a drawing direction of the coated optical fiber 2 with the coated optical fiber 2 held therebetween; a pair of wiring auxiliary members 16 disposed on a line connecting the coated optical fiber 2 and the pair of tension members 10 in a cross section taken perpendicularly to the drawing direction and, made of a plastically deformable metallic material, drawn in parallel with each other in the drawing direction with the pair of tension members 10 held therebetween; and a jacket 12 having an optical element part 4 for coating the coated optical fiber 2 and the pair of tension members 10, a pair of wiring auxiliary parts 6 for coating the pair of wiring auxiliary members 16 respectively, and connection parts 8 for connecting continuously or intermittently the optical element part 4 and the pair of wiring auxiliary parts 6.
    • 要解决的问题:提供可以简单地连接到现有布线并且能够实现小直径弯曲布线的光纤电缆。 解决方案:光缆包括:涂覆光纤2; 一对由树脂材料制成的张力构件10,其被涂覆的光纤2保持在涂覆光纤2的拉伸方向上彼此平行地拉伸; 一对布线辅助构件16,其布置在垂直于拉伸方向截取的横截面上连接被覆光纤2和一对拉伸构件10的线上,并且由彼此平行地拉伸的可塑性变形的金属材料制成 在拉伸方向上,一对张力构件10保持在其间; 以及具有用于涂布被覆光纤2的光学元件部4和一对张紧部件10的护套12,分别用于涂覆该对配线辅助部件16的一对配线辅助部6以及连续地连接的连接部8 或者间歇性地将光学元件部件4和一对布线辅助部件6。版权所有:(C)2013,JPO&INPIT
    • 5. 发明专利
    • Flat optical fiber cable and leading-in method for optical fiber cable
    • 平面光纤电缆和光纤电缆的引导方法
    • JP2013213966A
    • 2013-10-17
    • JP2012084613
    • 2012-04-03
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • ITO NAOTOSHIOBARA SATORUOKADA NAOKISHIMIZU TOMOYAAOYANAGI YUJITAKAMIZAWA KAZUTOSHI
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical fiber cable having superior weather resistance, easily taking out a specific optical fiber cable without coming apart when taking it out, and completing laying work within a short period of time.SOLUTION: In a flat optical fiber cable 1, a clearance part 10 is formed at least one part between adjacent optical fiber cables 4, a protrusion part 12 that protrudes to the clearance part 10 for positioning the optical fiber cable 4 is formed on an outer-layer envelope 5 at a wall surface-side outer-layer envelope 5a that is laid in contact with a wall surface 11 in a cable longitudinal direction, and a central-part notch 13 as a notch is formed at a position corresponding to the clearance part 10 in an outer surface-side outer-layer envelope 5b coming into non-contact with the wall surface in the cable longitudinal direction. In this configuration, a specific optical fiber cable, when taking it out, can be easily taken out without coming apart so as to complete laying work within a short period of time.
    • 要解决的问题:为了提供具有优异耐候性的光纤电缆,在取出时容易地取出特定的光纤电缆而不会分开,并且在短时间内完成铺设工作。解决方案:在平面光纤 电缆1,在相邻的光纤线缆4之间形成有至少一部分的间隙部分10,突出到用于定位光纤电缆4的间隙部分10的突出部分12形成在外壁上的墙壁5上 在电缆纵向方向上与壁面11接触的表面侧外层包络体5a和作为切口的中心部切口13形成在与外周面侧的间隙部10对应的位置, 侧面外包层5b在电缆纵向方向上与壁表面不接触。 在这种配置中,特定的光缆在取出时可以容易地取出而不分开,以便在短时间内完成铺设工作。
    • 8. 发明专利
    • Optical fiber ribbon and optical fiber cable
    • 光纤光纤和光纤电缆
    • JP2013182156A
    • 2013-09-12
    • JP2012046440
    • 2012-03-02
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • TAKE YUKIKOMATSUZAWA TAKASHIOSATO TAKESHIOKADA NAOKISHIMIZU TOMOYASEKIGUCHI TOSHIHIKOKURASHIMA TOSHIO
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical fiber ribbon which can be stored in a slot groove by making a lamination thickness of the optical fiber ribbon thinner than a lamination thickness for which a lamination number is multiplied with the maximum thickness of the optical fiber ribbon including a resin protrusion.SOLUTION: In an optical fiber ribbon 1 for which optical fiber wires 2 (2A-2D) are aligned in one line and joined by resin, by forming resin protrusions 3A and 3B on every other tape surface 1a and forming a resin protrusion 3C at a position corresponding to a part between the resin protrusions 3A and 3B formed on the tape surface 1a on the other tape surface 1b, the resin protrusions 3A, 3B and 3C are arranged alternately in a tape width direction. When the optical fiber ribbons 1 are laminated in a tape thickness direction matching both end positions in the tape width direction, the resin protrusions 3A and 3B provided on one tape surface are fitted to recesses 4A and 4B formed on the tape surface on the opposite side of the resin protrusions 3A and 3B.
    • 要解决的问题:通过使光纤带的层叠厚度比层叠次数乘以光纤带的最大厚度的层叠厚度来提供可以存储在槽槽中的光纤带 包括树脂突起。解决方案:在光纤线2(2A-2D)以一条线排列并通过树脂连接的光纤带1中,通过在每隔一个带表面1a上形成树脂突起3A和3B并形成 树脂突起3C在与另一个带表面1b上形成在带表面1a上的树脂突起3A和3B之间的部分相对应的位置处,树脂突起3A,3B和3C沿带宽度方向交替布置。 当光纤带1沿着带宽度方向上的两个端部位置的带厚度方向层叠时,设置在一个带表面上的树脂突起3A和3B装配到形成在相对侧的带表面上的凹部4A和4B 的树脂突起3A和3B。