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1. 发明专利

JP2012042751A Manufacturing method of optical fiber ribbon core and optical fiber ribbon core manufactured by the method 有权
标题翻译：光纤光纤芯和光纤光纤芯的制造方法
公开(公告)号：JP2012042751A
公开(公告)日：2012-03-01
申请号：JP2010184313
申请日：2010-08-19
申请人： Fujikura Ltd , Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , 株式会社フジクラ
发明人： NAMAZUE AKIRA , TAKE YUKIKO , MURATA AKIRA , MATSUZAWA TAKASHI , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To accurately form a connection part for connecting adjacent optical fiber cores to each other at a predetermined place and prevent a resin bulging part or a wrong connection part from being formed at other places in a manufacturing method of optical fiber ribbon core that is obtained by connecting adjacent optical fiber cores to each other at predetermined intervals among multiple optical fiber cores arranged in parallel.SOLUTION: A connection part 62 for connecting optical fiber cores 61 and 61 is formed through: a step for feeding multiple optical fiber cores 61 and 61 that are arranged in parallel at intervals; a step for applying an unhardened resin with wettability whose contact angle is equal to or less than 32° one minute after dropping it on a surface of optical fiber core 61 and on a sheet made of the same material, to the optical fiber cores 61 and 61; a step for moving multiple blocking members; a step for continuously changing a position where the blocking members block the unhardened resin; and a step for hardening the unhardened resin before the optical fiber cores 61 and 61 that are arranged in parallel and concentrated reach a place for contacting each other.
摘要翻译：要解决的问题：为了精确地形成用于在预定位置将相邻的光纤芯彼此连接的连接部，并且在光学的制造方法中防止在其它位置处形成树脂凸出部或错误的连接部纤维带芯，其通过以相互平行的多个光纤芯之间的预定间隔将相邻的光纤芯彼此连接而获得。解决方案：用于连接光纤芯61和61的连接部分62通过以下方式形成：用于馈送多个平行排列的多个光纤芯61和61的步骤; 将光纤芯61的表面和相同材料的片材上的接触角分别为一分一分钟以上的接触角等于或等于32°的润湿性的未硬化树脂施加到光纤芯61和 61; 移动多个阻塞成员的步骤; 用于连续地改变阻挡构件阻挡未硬化树脂的位置的步骤; 以及在平行排列并集中的光纤芯61和61到达彼此接触的位置之前硬化未硬化树脂的步骤。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2007114490A Coated optical fiber 审中-公开
标题翻译：涂层光纤
公开(公告)号：JP2007114490A
公开(公告)日：2007-05-10
申请号：JP2005305890
申请日：2005-10-20
申请人： Fujikura Ltd , Nippon Telegraph & Telephone East Corp , 東日本電信電話株式会社 , 株式会社フジクラ
发明人： ISHIDA ITARU , MURATA AKIRA , FUJIMAKI MUNEHISA , OHASHI KEIJI , OZAWA YUTAKA , NISHIZAWA KIYOBUMI , SUGIMOTO MASAHIDE
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a coated optical fiber having a satisfactory balance between a removable property, capable of easily removing the outermost covering layer from the release colored layer and an adhesion property between two layers of the order, capable of suppressing increase in the extrusion amount.
SOLUTION: The coated optical fiber 10 comprises an optical fiber 13 comprising a bare optical fiber 11 and an inner cover layer 12 which is arranged on an outside circumferential surface of the bare optical fiber, and the release colored layer 14 and the outermost covering layer 15 which are arranged in stack on the outside circumferential surface of the bare optical fiber, where the adhesive strength with respect to the outermost covering layer for the release colored layer falls into a range of 2.0 to 4.5 [N].
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够容易地从剥离着色层除去最外层覆盖层的可移除性能和能够抑制的两层之间的粘附性的均匀性的涂布光纤挤出量增加。解决方案：涂覆光纤10包括光纤13，其包括裸光纤11和布置在裸光纤的外圆周表面上的内覆层12，以及释放着色层14和最外层覆盖层15布置在裸光纤的外圆周表面上，其中相对于剥离着色层的最外层覆盖层的粘合强度落在2.0至4.5 [N]的范围内。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2008058505A Optical fiber drop cable and optical fiber indoor cable 审中-公开
标题翻译：光纤电缆和光纤室内电缆
公开(公告)号：JP2008058505A
公开(公告)日：2008-03-13
申请号：JP2006234001
申请日：2006-08-30
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： ISHIDA ITARU , MURATA AKIRA
IPC分类号： G02B6/44 , H01B11/00
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber drop cable and an optical fiber indoor cable by which reduction of connection work time and simplification of the operation are made possible in an optical fiber connecting method. SOLUTION: In the optical fiber drop cable 20 including two linear tension members 3, a coated optical fiber 2 installed between the tension members 3, and a cable sheath 4 enclosing all together; the optical fiber drop cable 20 is characterized in that an adhesive layer 22 is provided on the outer side of the outermost jacket of the coated optical fiber 2. The cable is structured such that, in removing the cable sheath 4, the coated optical fiber 2 is simultaneously removed to expose the optical fiber. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种在光纤连接方法中可以实现降低连接工作时间和简化操作的光纤分路电缆和光纤室内电缆。解决方案：在包括两个线性张力构件3的光纤分支电缆20中，安装在张力构件3之间的涂覆光纤2和包围所有的电缆护套4; 光纤分支电缆20的特征在于，在被覆光纤2的最外层的外侧设置有粘接层22.电缆被构造成使得在去除电缆护套4时，涂覆的光纤2 同时去除以暴露光纤。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2006235017A Ultraviolet curable resin composition for collectively forming clad layer, plastic optical fiber ribbon and its manufacturing method 审中-公开
标题翻译：用于集成成型层的超紫外线可固化树脂组合物，塑料光纤罗宾及其制造方法
公开(公告)号：JP2006235017A
公开(公告)日：2006-09-07
申请号：JP2005046721
申请日：2005-02-23
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： ISACHI MIZUKI , OUCHI YASUHIRO , SHIMA KENSUKE , MURATA AKIRA
IPC分类号： G02B6/44 , C09D4/00
摘要： PROBLEM TO BE SOLVED: To provide an ultraviolet curable resin composition for collectively forming clad layer capable of suppressing heat generation upon collective clad layer formation on a taping process and manufacturing plastic optical fiber ribbon without causing disconnection or characteristic deterioration, and also to provide the plastic optical fiber ribbon manufactured by using the resin composition and a manufacturing method of the plastic optical fiber ribbon.
SOLUTION: The ultraviolet curable resin composition for collectively forming clad layer has a Young's modulus of ≤100MPa when hardened by ultraviolet irradiation. The ultraviolet curable resin composition for collectively forming clad layer is made by compounding fine particles of mean particle size ≤10 mμ made of inorganic material by 30 to 50 pts.mass. for ultraviolet curable resin 100 pts.mass. In the manufacturing method of the plastic optical fiber ribbon 1A, a plurality of plastic optical fibers 2 are arranged in parallel side by side, the resin composition is applied on their outer periphery, the resin composition is cured by being irradiated with ultraviolet rays, and the plurality of plastic optical fibers are covered with a collective clad layer 3.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题的方案：提供一种紫外线固化型树脂组合物，用于共同形成包覆层，其能够抑制在包覆工艺上形成集体包层时的发热，并且制造塑料光纤带而不会导致断开或特性劣化，并且还可以提供通过使用树脂组合物制造的塑料光纤带和塑料光纤带的制造方法。解决方案：通过紫外线照射硬化时，用于共同形成覆层的紫外线固化树脂组合物的杨氏模量为≤100MPa。用于共同形成覆层的紫外线固化树脂组合物通过将由无机材料制成的平均粒径≤10mμ的细颗粒复合30〜50个点。用于紫外线固化树脂100磅。在塑料光纤带1A的制造方法中，将多根塑料光纤2并排配置，在其外周施加树脂组合物，通过照射紫外线使树脂组合物固化，多个塑料光纤被集体覆层3覆盖。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006215445A Optical fiber, coated optical fiber tape and optical fiber cable 有权
标题翻译：光纤，涂层光纤胶带和光纤电缆
公开(公告)号：JP2006215445A
公开(公告)日：2006-08-17
申请号：JP2005030284
申请日：2005-02-07
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： NAMAZUE AKIRA , MURATA AKIRA
IPC分类号： G02B6/44 , C03C25/24
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber which suppresses strength reduction in splicing work, and a coated optical fiber tape and an optical fiber cable using the same.
SOLUTION: The optical fiber 20 is obtained by disposing a primary covering layer 11 and a secondary covering layer 12 comprising an ultraviolet-curing resin on the outer periphery of a bare optical fiber 10, wherein the ultraviolet-curing resin constituting the primary covering layer 11 contains 0.1-3.0 parts by mass of a low-molecular-weight silane coupling agent not incorporated into a skeleton of the ultraviolet-curing resin. The low-molecular-weight silane coupling agent has a molecular weight of 100-600. The ultraviolet-curing resin constituting the primary covering layer 11 contains ≥0.001 part by mass of an amine-based substance.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供抑制拼接作业强度降低的光纤，以及使用该光纤的涂覆光纤带和光缆。解决方案：光纤20通过在裸光纤10的外周设置包括紫外线固化树脂的主覆盖层11和二次覆盖层12而获得，其中构成主光纤的紫外线固化树脂覆盖层11含有0.1-3.0质量份未掺入紫外线固化树脂的骨架中的低分子量硅烷偶联剂。低分子量硅烷偶联剂的分子量为100-600。构成主要被覆层11的紫外线固化树脂含有≥0.001质量份的胺类物质。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006133669A Primary coated optical fiber, dyed secondary coated optical fiber using the same, secondary optical fiber ribbon and optical fiber cable 审中-公开
标题翻译：初级涂层光纤，使用其的二次涂覆光纤，二次光纤罗伯和光纤电缆
公开(公告)号：JP2006133669A
公开(公告)日：2006-05-25
申请号：JP2004325116
申请日：2004-11-09
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： NAMAZUE AKIRA , ISACHI MIZUKI , MURATA AKIRA
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a primary coated optical fiber having excellent resistance against ethanol, a dyed secondary coated optical fiber using the secondary coated optical fiber, an optical fiber ribbon and optical fiber cable.
SOLUTION: The saturated swelling degree of a primary coating layer 11 is 30% or smaller when dipped in ethanol in the primary coated optical fiber 20 provided with an optical fiber bare wire 10 and the primary coating layer 11 and a secondary coating layer 12 successively furnished on the outer periphery of the optical fiber bare wire 10. Further, the variation in the coated diameter of the primary coated optical fiber 20 is 15% or smaller when dipped in ethanol. The saturated swelling degree of the primary coating layer 11 is 20% or larger and 30% or smaller when dipped in ethanol, and the cross-sectional area of the primary coating layer 11 with respect to the cross-sectional area of the secondary coating layer 12 is 70% or smaller. The saturated swelling degree of the primary coating layer 11 is 20% or larger and 30% or smaller when dipped in ethanol, and the saturated swelling degree of the secondary coating layer 12 is 5% or smaller when dipped in ethanol.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的耐乙醇性的初级涂覆光纤，使用二次涂覆光纤的染色二次涂覆光纤，光纤带和光纤电缆。解决方案：在设置有光纤裸线10的初级涂覆光纤20和初级涂层11和第二涂层11中，浸入乙醇中时，初级涂层11的饱和溶胀度为30％以下另外，当浸渍在乙醇中时，初级被覆光纤20的涂覆直径的变化为15％以下。当浸渍在乙醇中时，初级涂层11的饱和溶胀度为20％以上30％以下，第一被覆层11的相对于第二被覆层的截面积的截面积 12为70％以下。当浸渍在乙醇中时，初级涂层11的饱和溶胀度为20％以上30％以下，浸渍在乙醇中时，第二被覆层12的饱和溶胀度为5％以下。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006064781A Method and apparatus for manufacturing flame-retardant optical fiber cord 审中-公开
标题翻译：制造阻燃光纤光栅的方法和装置
公开(公告)号：JP2006064781A
公开(公告)日：2006-03-09
申请号：JP2004244322
申请日：2004-08-24
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： TAKEDA DAIKI , MURATA AKIRA , HAYANO TETSUO
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To uniformly coat the whole circumference of a coated optical fiber with powdery flame-retarder irrespective of variation of the amount of powdery flame-retarder in a coating tank in a method for manufacturing an optical fiber in which tension fibers are longitudinally assembled, the coated optical fiber with a fiber cushion layer formed thereon is allowed to pass through non-halogen powdery flame-retardant in the coating tank and, thereby, the fiber cushion layer is coated with the powdery flame-retardant.
SOLUTION: In the method for manufacturing the flame-retardant optical fiber, the coated optical fiber f with the fiber cushion layer formed thereon is allowed to pass through non-halogen powdery flame-retardant in the coating tank 1 and, thereby, the fiber cushion layer is coated with the powdery flame-retardant. Therein, the coating tank 1 in which the powdery flame-retardant is charged is a vertical coating tank of which at least the lower part has a tapered inner surface, the coated optical fiber f with the fiber cushion layer formed thereon is allowed to pass through the coating tank 1 upward or downward while vibrating the coating tank in the vertical direction by giving vertical vibrations and, thereby, the fiber cushion layer of the coated optical fiber f is coated with the powdery flame-retardant.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：为了均匀地涂覆带有粉末阻燃剂的涂覆光纤的整个周期，而不管涂布槽中的粉末阻燃剂的量的变化，在制造光纤的方法中，其中张力纤维纵向组装，其上形成有纤维缓冲层的涂覆光纤被允许通过涂布槽中的无卤素粉末状阻燃剂，由此纤维缓冲层涂覆有粉末状阻燃剂。解决方案：在制造阻燃光纤的方法中，使其上形成有纤维缓冲层的被覆光纤f通过涂覆槽1中的无卤素粉末状阻燃剂，纤维缓冲层用粉末状阻燃剂涂覆。其中，填充有粉状阻燃剂的涂布槽1是至少下部具有锥形内表面的垂直涂布槽，其上形成有纤维缓冲层的涂覆光纤f被允许通过涂料罐1向上或向下，同时通过施加垂直振动来振动涂料罐，由此涂覆光纤f的纤维缓冲层被粉末状阻燃剂涂覆。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005284008A Optical fiber core 审中-公开
标题翻译：光纤芯
公开(公告)号：JP2005284008A
公开(公告)日：2005-10-13
申请号：JP2004098592
申请日：2004-03-30
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： TAKEDA DAIKI , MURATA AKIRA
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber core which can rationalize both the temperature characteristics of the optical transmission loss, and the lateral pressure characteristics.
SOLUTION: This is an optical fiber core 11 made by applying a synthetic resin coating material 15 on the outer surface of an optical fiber strand 13, and the elasticity modulus of the coating material 15 is 400 MPa or larger but 600 MPa or less.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以使光传输损耗的温度特性和横向压力特性两者合理化的光纤芯。解决方案：这是通过在光纤线束13的外表面上施加合成树脂涂层材料15制成的光纤芯11，并且涂层材料15的弹性模量为400MPa以上至600MPa，减。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005189508A Optical fiber cord and its manufacturing method 审中-公开
标题翻译：光纤光栅及其制造方法
公开(公告)号：JP2005189508A
公开(公告)日：2005-07-14
申请号：JP2003430695
申请日：2003-12-25
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： TAKEDA DAIKI , HAYANO TETSUO , MURATA AKIRA
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cord of which the characteristics of a clad is not deteriorated and has enhanced flame-resistance.
SOLUTION: The optical fiber cord is constituted by successively forming a fiber cushioning layer 15 made of high-tensile strength fiber and a clad 19 on a coated optical fiber 13 and applying flame-retardant treatment with an expansive flame-retardant agent 17 made of powdery expansion graphite to the fiber cushioning layer 15. The expansive flame-retardant agent is instantaneously expanded upon burning and, thereby the supply of air is reduced and the flame-resistance can be enhanced.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2005123041A Marking method for linear body 审中-公开
标题翻译：线性体的标记方法
公开(公告)号：JP2005123041A
公开(公告)日：2005-05-12
申请号：JP2003357158
申请日：2003-10-17
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： WATANABE HIROTO , MURATA AKIRA , OHASHI KEIJI
IPC分类号： G02B6/44 , H01B13/00 , H01B13/34
摘要： PROBLEM TO BE SOLVED: To provide a marking method of putting a marking (a distinguishing mark), on a linear body such as an optical fiber wire traveling at high speed. SOLUTION: In a method of marking on a surface of a linear body 10 traveling with ink from an ink nozzle 21, the linear body is marked by scanning the ink nozzle 21 in the longitudinal direction of the surface of the linear body; thereby putting a mark of high quality on the linear body traveling at high speed. COPYRIGHT: (C)2005,JPO&NCIPI

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