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1. 发明专利

JP2013174678A Optical fiber cable and method of manufacturing optical fiber cable 有权
标题翻译：光纤电缆及制造光纤电缆的方法
公开(公告)号：JP2013174678A
公开(公告)日：2013-09-05
申请号：JP2012038197
申请日：2012-02-24
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NAMAZUE AKIRA , MATSUZAWA TAKASHI , OSATO TAKESHI , OKADA NAOKI , HIGASHI YUJI , OHASHI HIROYUKI , HIROTA YOSHINOBU , KATAYAMA KAZUNORI
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable which has excellent flexibility, and can suppress a loss due to bending of an optical fiber caused by shrinkage of a sheath under low temperature.SOLUTION: An optical fiber cable includes a plurality of optical fibers 11, an inner layer sheath 12 directly covering the peripheries of the plurality of optical fibers 11, a tension layer 13 composed of tension fiber covering the periphery of the inner layer sheath 12, and an outer layer sheath 14 covering the periphery of the tension layer 13 and applied with compressive strain in a cable longitudinal direction.
摘要翻译：要解决的问题：提供一种具有优异的柔性的光缆，并且可以抑制由于在低温下鞘的收缩引起的光纤的弯曲的损耗。解决方案：光缆包括多根光纤如图11所示，直接覆盖多根光纤11的周围的内层护套12，由覆盖内层护套12的周围的张力纤维构成的张力层13和覆盖张力层周围的外层护套14 并在电缆纵向上施加压缩应变。

2. 发明专利

JP2012252245A Manufacturing method for optical fiber ribbon, manufacturing device of optical fiber ribbon executing manufacturing method, and optical fiber ribbon manufactured by manufacturing method 有权
标题翻译：光纤玻璃制造方法，光纤制造制造方法的制造装置以及制造方法制造的光纤罗盘
公开(公告)号：JP2012252245A
公开(公告)日：2012-12-20
申请号：JP2011126045
申请日：2011-06-06
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MATSUZAWA TAKASHI , TAKE YUKIKO , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for optical fiber ribbons in which a plurality of optical fibers are juxtaposed and adjacent optical fibers are connected to each other at predetermined intervals, capable of favorably manufacturing optical fiber ribbons at a high speed, and favorably manufacturing multicore optical fiber ribbons.SOLUTION: The manufacturing method for optical fiber ribbons includes: a resin coating step 102 for feeding a plurality of optical fibers 2 juxtaposed at intervals apart to the longitudinal direction and intermittently applying uncured resin to the optical fibers; and a resin hardening step 103 for applying hardening energy to the uncured resin applied to the optical fibers and forming a connection part in which the optical fibers are connected to each other. In the resin coating step 102, the viscosity of the resin in a suction part and a conveying part is lowered than the viscosity of the resin applied to the optical fibers.
摘要翻译：要解决的问题：为了提供一种光纤带的制造方法，其中多个光纤并置并且相邻的光纤以预定间隔彼此连接，能够以高速有利地制造光纤带并且有利地制造多芯光纤带。解决方案：光纤带的制造方法包括：树脂涂覆步骤102，用于馈送多个光纤2，其沿纵向方向间隔开并间断地将未固化的树脂施加到光纤; 以及用于向施加到光纤上的未固化树脂施加硬化能并形成其中光纤彼此连接的连接部分的树脂硬化步骤103。在树脂涂布步骤102中，吸引部分和输送部分中的树脂的粘度比施加到光纤的树脂的粘度低。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2014219496A 光ファイバテープ心線及び光ファイバケーブル有权
标题翻译：光纤光纤和光纤电缆
公开(公告)号：JP2014219496A
公开(公告)日：2014-11-20
申请号：JP2013097510
申请日：2013-05-07
申请人：株式会社フジクラ , Fujikura Ltd , 日本電信電話株式会社 , Nippon Telegr & Teleph Corp
发明人： SAJIMA YOSHIE , MATSUZAWA TAKASHI , ISACHI MIZUKI , OSATO TAKESHI , OKADA NAOKI , NAKANE HISAAKI , YAMADA YUSUKE , TSUNODA DAISUKE , HAMAGUCHI MASAYA , SHIBATA MASAHIKO
IPC分类号： G02B6/44
CPC分类号： G02B6/4404 , G02B6/4495 , G02B6/4498
摘要：【課題】単心分離後のテープ化材の除去を容易に行うことができる光ファイバテープ心線を提供する。【解決手段】互いに離間して並列に並べた複数本の光ファイバ心線10a,10bと、複数本の光ファイバ心線10a,10bの外周を覆う被覆部21a,21b、及び被覆部21a,21bと一体的に形成され、隣接する光ファイバ心線10a,10b間を間欠的に連結する連結部22aを有するテープ化材20とを備え、被覆部21a,21bが、光ファイバ心線10a,10bの表面の一部を露出させる開口部を有し、被覆部21a,21bの少なくとも一部が光ファイバ心線10a,10bの長手方向において連続している。【選択図】図1
摘要翻译：要解决的问题：提供一种能够在单芯分离后有助于去除带状材料的光纤带。解决方案：一种光纤带包括：彼此平行分开布置的多个涂覆光纤10a和10b; 以及带状成形材料20，其具有用于覆盖多个被覆光纤10a，10b的外周的覆盖部21a，21b以及与覆盖部21a，21b一体形成的连接部22a，22b，光纤10a和10b彼此。覆盖部分21a和21b具有暴露涂覆光纤10a和10b的表面的一部分的开口，并且覆盖部分21a和21b的至少一部分在涂覆光纤10a和10b的长度方向上延续。

4. 发明专利

JP2013182157A Optical fiber ribbon and optical fiber cable housing optical fiber ribbon therein 有权
标题翻译：光纤光纤和光纤电缆外壳光纤光纤
公开(公告)号：JP2013182157A
公开(公告)日：2013-09-12
申请号：JP2012046443
申请日：2012-03-02
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： ISACHI MIZUKI , SAJIMA YOSHIE , OSATO TAKESHI , OKADA NAOKI , MATSUZAWA TAKASHI , TAKE YUKIKO , YAMADA YUSUKE , HAMAGUCHI MASAYA , TSUNODA DAISUKE , NAKANE HISAAKI
IPC分类号： G02B6/44
CPC分类号： G02B6/4403 , G02B6/4495
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber ribbon capable of making mutually compatible intermediate point post-branching characteristics and cable manufacturability.SOLUTION: An optical fiber ribbon 1 is formed such that three or more optical fibers 2 are disposed in parallel to each other, two optical fibers 2 adjacent to each other are coupled therebetween by coupling portions 3, and the coupling portions 3 are intermittently provided in a longitudinal direction X of the optical fiber ribbon and a lateral direction Y of the optical fiber ribbon respectively. In the optical fiber ribbon 1, a tearing strength of the coupling portions 3 is made to be in the range of 1.50 to 21.0 gf, and thereby intermediate point post-branching characteristics and cable manufacturability can be made mutually compatible.
摘要翻译：要解决的问题：提供能够实现相互兼容的中间点后分支特性和电缆可制造性的光纤带。解决方案：形成光纤带1，使得三根或更多根光纤2彼此平行地布置彼此相邻的两个光纤2通过联接部分3耦合在一起，并且耦合部分3分别沿着光纤带的纵向X和光纤带的横向方向Y间隔地设置。在光纤带1中，耦合部3的撕裂强度为1.50〜21.0gf的范围，从而可以使中间点后分支特性和电缆制造性相互兼容。

5. 发明专利

JP2013088641A Optical fiber cable 有权
标题翻译：光纤电缆
公开(公告)号：JP2013088641A
公开(公告)日：2013-05-13
申请号：JP2011229482
申请日：2011-10-19
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MATSUZAWA TAKASHI , TAKEDA DAIKI , TOMIKAWA KOJI , TAKE YUKIKO , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE , TSUNODA DAISUKE , NAKANE HISAAKI , HAMAGUCHI MASAYA
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber cable in which, when a side pressure or an impact is applied, rip cords can be prevented from dropping off into a cable core and disconnection of optical fibers and the increase of transmission loss due to the dropping-off can be prevented.SOLUTION: The optical fiber cable includes: a cable core 1 into which a plurality of optical fibers are aggregated; a pair of rip cords 4a and 4b disposed to face each other with the cable core 1 therebetween; a pair of tension members 3a and 3b disposed to face each other with the cable core 1 therebetween in a direction orthogonal to a line connecting the pair of rip cords 4a and 4b; a first protection tape 5 which has a width longer than a length of an outer periphery of the cable core 1 and is disposed so as to warp the outer periphery of the cable core 1 and has an outside joint 5a in a position off the line connecting the pair of rip cords 4a and 4b; and a sheath 2 collecting and covering an outer periphery of the first protection tape 5, the pair of tension members 3a and 3b, and the pair of rip cords 4a and 4b.
摘要翻译：要解决的问题：提供一种光纤电缆，其中当施加侧压或冲击时，可以防止撕裂线掉落到电缆芯中，并且光纤的断开和传输损耗的增加由于可以防止脱落。解决方案：光纤电缆包括：多个光纤聚集在其中的电缆芯1; 一对裂口帘线4a和4b，其设置成彼此面对，其间具有电缆芯1; 一对张力部件3a，3b，其与电缆芯1在与连接一对裂纹线4a，4b的线垂直的方向上彼此相对配置; 第一保护带5的宽度长于电缆芯1的外周长度，并且设置成使电缆芯1的外周经过，并且具有在离线连接的位置的外侧接头5a 一对裂缝4a和4b; 以及收纳并覆盖第一保护带5的外周，一对张力部件3a和3b以及一对撕裂线4a和4b的护套2。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2013088619A Optical fiber ribbon, optical fiber cable and method for mid-span branching of the same 有权
标题翻译：光纤玻璃纤维，光纤电缆及其中间分支的方法
公开(公告)号：JP2013088619A
公开(公告)日：2013-05-13
申请号：JP2011229069
申请日：2011-10-18
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MATSUZAWA TAKASHI , ISACHI MIZUKI , SAJIMA YOSHIE , TAKE YUKIKO , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE , TSUNODA DAISUKE , NAKANE HISAAKI , HAMAGUCHI MASAYA
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber ribbon which is excellent in discriminability and handleability.SOLUTION: In an optical fiber ribbon 1, three or more optical fibers 2 (2A to 2D) are arranged in parallel, the two adjacent optical fibers 2 are connected by connection parts 3, and the connection parts 3 are intermittently provided each in a longitudinal direction X and a width direction Y of the optical fiber ribbon. Markings 6 to identify the optical fiber ribbon 1 are provided in positions in which the arbitrary connection parts 3 among the plurality of connection parts 3 are provided or in positions of all the connection parts 3 on each optical fiber 2.
摘要翻译：要解决的问题：提供一种鉴别性和可操作性优异的光纤带。解决方案：在光纤带1中，平行布置三根或更多根光纤2（2A至2D），两根相邻的光纤2通过连接部分3连接，连接部分3每个在光纤带的长度方向X和宽度方向Y上。设置用于识别光纤带1的标记6设置在设置多个连接部3中的任意连接部3或每个光纤2上的所有连接部3的位置的位置。（COPYRIGHT：（ C）2013，JPO＆INPIT

7. 发明专利

JP2012252198A Manufacturing method for optical fiber ribbon and optical fiber ribbon manufactured by the manufacturing method 有权
标题翻译：制造方法由制造方法制造的光纤罗宾和光纤罗宾
公开(公告)号：JP2012252198A
公开(公告)日：2012-12-20
申请号：JP2011125290
申请日：2011-06-03
申请人： Fujikura Ltd , 株式会社フジクラ , Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： NAMAZUE AKIRA , TAKE YUKIKO , MATSUZAWA TAKASHI , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE
IPC分类号： G02B6/44
CPC分类号： G02B6/4403 , G02B6/44 , G02B6/448 , Y10T29/49826
摘要： PROBLEM TO BE SOLVED: To prevent a coating resin from being shaved when an optical fiber is fed from a coating die.SOLUTION: A plurality of optical fibers 3 each have a Young's modulus of an ultraviolet curable resin 13 arranged in an outermost layer of the optical fiber 3 of equal to or more than 300 MPa, and a friction force measured by a measuring method below of equal to or less than 0.3 N when the Young's modulus is 300 MPa to 600 MPa. The plurality of optical fibers 3 is arranged in parallel, and the optical fibers 3 each are fixed intermittently along a lengthwise direction thereof to form an adhesive part 5. An optical fiber test piece 30 forms a ring 30a, and an end portion 30b at one side of the optical fiber test piece 30 is inserted in the ring 30a so as to make a knot, so that a contact portion 30d, in which resins are in contact with each other, is formed. In this state, end portions 30b and 30c at both sides of the ring 30a are held and pulled in a direction separating from each other, and then the friction force between the resins in the contact portion 30d is measured.
摘要翻译：要解决的问题：为了防止当从涂料模头进给光纤时涂布树脂被刮削。解决方案：多根光纤3各自具有布置在光纤3的最外层中的紫外线固化树脂13的杨氏模量等于或大于300MPa，并且通过测量方法测量的摩擦力低于等于或小于0.3N时，杨氏模量为300MPa至600MPa。多根光纤3并列配置，光纤3沿其长度方向各自间断地固定，形成粘接部5.光纤试片30形成环30a，端部30b为一个将光纤试片30的一侧插入环30a中以形成结，从而形成树脂彼此接触的接触部30d。在这种状态下，环30a的两侧的端部30b和30c沿彼此分离的方向被保持和拉动，然后测量接触部30d中的树脂之间的摩擦力。版权所有（C）2013，JPO＆INPIT

8. 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

9. 发明专利

JP2012042354A Inspection apparatus for optical fiber tape core, manufacturing apparatus, and inspection method for optical fiber tape core 有权
标题翻译：光纤胶带检测装置，制造设备和光纤光栅核心检查方法
公开(公告)号：JP2012042354A
公开(公告)日：2012-03-01
申请号：JP2010184309
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： TAKE YUKIKO , MATSUZAWA TAKASHI , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE
IPC分类号： G01M11/00 , G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide an inspection apparatus capable of measuring the length of a separation part between connection parts and an interval (period) between separation parts without generating coat peeling, disconnection, separation between connection parts, and so on even in a state that tension is applied to an optical fiber tape core in inline even in the optical fiber tape core configured by intermittently connecting a plurality of optical fiber strands in parallel.SOLUTION: The inspection apparatus comprises: a guide roller 9 having a guide groove 9a of which the groove width is not less than the width of the optical fiber tape core 1a and which has at least one step part 9b on a bottom; and a measuring instrument 10 for measuring an interval between edge parts of the optical fiber tape core 1a guided by the guide roller 9, the number of edges or surface ruggedness. On a place where optical fiber strands 1 are not mutually connected, the optical fiber strands 1 are mutually separated by the step part 9b, separation between the optical fiber strands 1 is measured by the edge interval, the number of edges or the ruggedness, and the length and period of a non-connection place are measured.
摘要翻译：要解决的问题：提供一种检测装置，其能够测量连接部件之间的分离部分的长度与分离部件之间的间隔（周期），而不产生涂层剥离，断开，连接部件之间的分离等，甚至即使在通过并行地间断地连接多根光纤线束而构成的光纤带芯中，也能够以直线方式向光纤带芯施加张力。检查装置包括：引导辊9，其具有导槽9a，槽导向槽9a的槽宽不小于光纤带芯1a的宽度，并且在底部具有至少一个台阶部分9b; 以及用于测量由导辊9引导的光纤带芯1a的边缘部分之间的间隔，边缘数或表面粗糙度的测量仪器10。在光纤线束1不相互连接的地方，光纤线束1通过台阶部分9b相互分离，光纤线束1之间的间隔由边缘间隔，边缘数量或粗糙度测量，以及测量非连接位置的长度和周期。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011150183A Device and method for manufacturing optical fiber tape core 有权
标题翻译：用于制造光纤胶带的装置和方法
公开(公告)号：JP2011150183A
公开(公告)日：2011-08-04
申请号：JP2010012187
申请日：2010-01-22
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： SATO YUKIKO , MATSUZAWA TAKASHI , OSATO TAKESHI , OKADA NAOKI , YAMADA YUSUKE , HOKARI KAZUO
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a device for manufacturing an optical fiber tape core, capable of setting a width dimension or the like of a connecting portion for mutually connecting optical fibers to a desired dimension while integrating a plurality of optical fibers.
SOLUTION: The device includes: a coating die section 10 configured to align a plurality of optical fiber element wires 8 at intervals and to feed them while supplying uncured resin each between the plurality of optical fibers 8; an ultraviolet irradiation unit 30 configured to irradiate the plurality of optical fiber element wires 8 fed from the coating die section 10 with ultraviolet energy to form a connecting portion 9a by cured resin each between the optical fiber element wires 8, in which the irradiation position in an optical fiber feeding direction A can be varied; a tape width measurement section 40 which measures the width of the connecting portion 9a cured in the ultraviolet irradiation section 30; and a control unit 60 which calculates a width of the connecting portion 9a from the measurement result in the tape width measurement unit 40 and adjusts the irradiation position of the irradiation unit 30 based on the measured width of the connecting portion 9a.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种制造光纤带芯的装置，其能够设置用于将光纤相互连接到期望尺寸的连接部分的宽度尺寸等，同时整合多根光纤。该装置包括：涂覆模具部分10，被配置成间隔地排列多根光纤元件丝8，并且在多个光纤8之间提供未固化的树脂; 紫外线照射单元30，其被配置为用从紫外线能量照射从涂覆模具部10供给的多根光纤元件线8，以在光纤元件线8之间的固化树脂形成连接部9a，可以改变光纤馈送方向A; 测量在紫外线照射部30中固化的连接部9a的宽度的带宽测量部40; 以及根据带宽测量单元40的测量结果计算连接部分9a的宽度的控制单元60，并且基于连接部分9a的测量宽度来调节照射单元30的照射位置。版权所有（C）2011，JPO＆INPIT

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