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11. 发明公开

EP4043936A1 CABLE WIRING METHOD 审中-实审
公开(公告)号：EP4043936A1
公开(公告)日：2022-08-17
申请号：EP20874081.1
申请日：2020-07-06
申请人： FUJIKURA LTD.
发明人： TAKI, Go , NAMAZUE, Akira , OSATO, Ken
IPC分类号： G02B6/44 , G02B6/46 , G02B6/48
摘要： [Problem] To easily branch and wire an optical cable.
[Solution] An optical cable wiring method of this disclosure, includes: preparing a plurality of cable supply sources each configured to supply optical cables; forming a group of cables by drawing out the optical cables from the plurality of cable supply sources and bringing together a plurality of the optical cables; installing the plurality of optical cables from a utility pole being a starting point of a first wiring path to a branch point on the first wiring path by inserting the group of cables into a cable hanger laid on a suspension wire installed between utility poles; dividing, at the branch point, the plurality of optical cables constituting the group of cables into a first group and a second group; installing the optical cable belonging to the first group along the first wiring path located ahead of the branch point; and installing the optical cable belonging to the second group along a second wiring path branching from the first wiring path.

12. 发明授权

EP2557444B8 OPTICAL FIBER TAPE CORE WIRE, OPTICAL FIBER CABLE, AND WIRING PATTERN 有权转让
公开(公告)号：EP2557444B8
公开(公告)日：2019-04-17
申请号：EP11765911.0
申请日：2011-04-05
申请人： Fujikura Ltd.
发明人： MATSUZAWA, Takashi , TAKE, Yukiko , ISAJI, Mizuki , OSATO, Ken , OKADA, Naoki
IPC分类号： G02B6/44

13. 发明公开

EP3451037A1 METHOD FOR GRIPPING OPTICAL FIBER CABLE, AND OPTICAL FIBER CABLE GRIPPING TOOL 审中-公开
公开(公告)号：EP3451037A1
公开(公告)日：2019-03-06
申请号：EP17814926.6
申请日：2017-02-15
申请人： Fujikura Ltd.
发明人： ITO, Naoto , OSATO, Ken
IPC分类号： G02B6/46 , G02B6/44 , G02B6/48
摘要： In anchoring a supporting wire made of a material other than metal, a so-called nonmetallic material, to a utility pole or the like, there is a possibility of breakage of the supporting wire when an outer sheath covering the supporting wire is stripped off to grip the supporting wire or is wound around and locked to a metal anchor. The present invention is a method for gripping an optical fiber cable by using a gripping member, the optical fiber cable including a main body part including an optical fiber and a supporting wire part. The supporting wire part includes a supporting wire made of a material other than metal and an outer sheath covering the supporting wire. The gripping member grips the supporting wire by tightening the gripping member around the supporting wire part while the supporting wire remains covered with the outer sheath.

14. 发明公开

EP3422063A1 OPTICAL FIBER UNIT AND OPTICAL FIBER CABLE 审中-公开
公开(公告)号：EP3422063A1
公开(公告)日：2019-01-02
申请号：EP17798932.4
申请日：2017-02-15
申请人： Fujikura Ltd.
发明人： ITO, Naoto , OSATO, Ken , YAMANAKA, Masayoshi
IPC分类号： G02B6/44
摘要： [Problem] When winding a bundling member with a width greater than a thickness in a section of the bundling member in an S-Z configuration, a twist is formed in the bundling member in sections where their winding directions are reversed, and the bundling members are joined to each other in an upright form with respect to the optical fiber bundle.
[Solution] The present disclosure is an optical fiber unit that includes: an optical fiber bundle formed by bundling a plurality optical fibers; and a plurality of bundling members, wherein one bundling member of the plurality of bundling members is wound on an outer circumference of the optical fiber bundle in a length direction of the optical fiber bundle, while reversing a winding direction alternately, is joined to another bundling member at a section where the winding direction is reversed, and a ratio of a width of a section of the bundling member to a thickness of a section of the bundling member is smaller than 20.

15. 发明公开

EP3373056A1 OPTICAL FIBER TAPE, METHOD FOR MANUFACTURING OPTICAL FIBER TAPE, AND ULTRAVIOLET CURABLE RESIN COMPOSITION USED TO FORM CONNECTION PORTIONS OF INTERMITTENTLY FIXED OPTICAL FIBER TAPE 有权
公开(公告)号：EP3373056A1
公开(公告)日：2018-09-12
申请号：EP16858479.5
申请日：2016-08-31
申请人： Fujikura Ltd.
发明人： MURATA, Akira , ISAJI, Mizuki , OSATO, Ken , OKADA, Naoki
IPC分类号： G02B6/44 , C08F2/48
CPC分类号： G02B6/448 , B29D11/00663 , B29D11/00721 , B29K2083/00 , C08F2/48 , G02B6/44 , G02B6/4403
摘要： Disclosed is a method for manufacturing an intermittently connected optical fiber ribbon that includes a plurality of optical fibers arranged side by side, and connection parts arranged intermittently and each connecting two adjacent optical fibers. The method involves: a step of applying, between the optical fibers, a UV-curable resin including a siloxane structure in its molecule; a step of removing a portion of the UV-curable resin applied between the optical fibers; and a step of irradiating the UV-curable resin between the optical fibers with UV rays and forming the connection parts.

16. 发明公开

EP3306368A1 OPTICAL FIBER UNIT AND OPTICAL FIBER CABLE 有权
标题翻译：光纤单元和光纤电缆
公开(公告)号：EP3306368A1
公开(公告)日：2018-04-11
申请号：EP16799631.3
申请日：2016-03-09
申请人： Fujikura Ltd.
发明人： TAKEDA, Daiki , OKADA, Naoki , YAMANAKA, Masayoshi , OSATO, Ken , KAJI, Tomoaki
IPC分类号： G02B6/44
摘要： When bundling members are wound in an S-Z configuration around an optical fiber bundle, optical fibers cannot be kept bundled if there is a defect in the joining at reverse sections where the bundling members' winding directions are reversed. The invention is an optical fiber unit including: an optical fiber bundle formed by bundling a plurality of optical fibers; and a plurality of bundling members. Each bundling member is wound on an outer circumference of the optical fiber bundle along a length direction of the optical fiber bundle while its winding direction is reversed alternately, and joined with another bundling member at reverse sections where its winding direction is reversed. A region surrounded by a pair of the bundling members to be joined at the reverse sections includes a joining point at one of the reverse sections of another pair of the bundling members.
摘要翻译：当捆扎部件以光纤束周围的S-Z结构缠绕时，如果在捆扎部件的卷绕方向相反的反向部分处存在接合缺陷，则光纤不能保持捆扎。本发明是一种光纤单元，包括：捆扎多根光纤而形成的光纤束; 和多个捆绑部件。每个成束构件在其缠绕方向交替地反转的同时沿光纤束的长度方向缠绕在光纤束的外周上，并且在其缠绕方向相反的反向部分处与另一成束构件接合。被一对捆扎部件围绕的区域在相反部分处被接合，包括在另一对捆扎部件的一个相反部分处的结合点。

17. 发明公开

EP3176620A1 METHOD OF FUSION SPLICING A RIBBON OF THIN OPTICAL FIBRES 有权
标题翻译：融合细光纤光栅的方法
公开(公告)号：EP3176620A1
公开(公告)日：2017-06-07
申请号：EP16204376.4
申请日：2012-10-15
申请人： FUJIKURA LTD. , Nippon Telegraph and Telephone Corporation
发明人： NAMAZUE, Akira , OSATO, Ken , OKADA, Naoki , YAMADA, Yusuke , KAKUTA, Daisuke , NAKANE, Hisaaki , HAMAGUCHI, Shinya
IPC分类号： G02B6/44 , G02B6/255
CPC分类号： G02B6/4404 , G02B6/2551 , G02B6/2555 , G02B6/3636 , G02B6/4403 , G02B6/4405 , G02B6/441 , G02B6/443 , G02B6/448 , G02B6/4482 , G02B6/4489
摘要： A method for batch fusion splicing of an optical fiber ribbon using a fusion machine (10), the method comprising: preparing the optical fiber ribbon (1) which includes: three or more of optical fibers (2) arranged in parallel and connecting portions (3) connecting adjacent two optical fibers (2) together, each of the optical fibers (2) having a bare glass optical fiber (6) covered by a cover layer (7, 8), the connecting portions (3) being intermittently provided in each of a ribbon longitudinal direction; removing the cover layers (7, 8) so as to obtain the bare glass optical fibers (6); and placing the respective bare glass optical fibers (6) on V-shaped grooves (9) in the fusion machine (10), wherein the V-shaped grooves (9) are arranged in parallel with a pitch of 250 µm, each outer diameter dimension of the optical fibers (2) is set to smaller than or equal to 220 µm, and each distance between centers of the adjacent two optical fibers (2) is set to 250 µm with a margin of plus or minus 30 µm by each of the connecting portions (3).
摘要翻译：一种使用熔接机（10）对光纤带进行批量熔接的方法，所述方法包括：准备光纤带（1），所述光纤带包括：平行设置的三根或更多根光纤（2）和连接部分 3）将相邻的两根光纤（2）连接在一起，每根光纤（2）具有由覆盖层（7,8）覆盖的裸玻璃光纤（6），连接部分（3）间断地设置在每个带的纵向方向; 去除覆盖层（7,8）以获得裸玻璃光纤（6）; 并将各裸露的玻璃光纤（6）放置在熔接机（10）中的V形槽（9）上，其中V形槽（9）以250μm的间距平行排列，每个外径（2）的尺寸被设定为小于或等于220μm，并且相邻的两根光纤（2）的中心之间的每个距离被设定为250μm，并且具有±30μm的余量连接部分（3）。

18. 发明公开

EP3168665A1 OPTICAL FIBER UNIT MANUFACTURING METHOD AND MANUFACTURING DEVICE 有权
标题翻译：光纤单元制造方法和制造装置
公开(公告)号：EP3168665A1
公开(公告)日：2017-05-17
申请号：EP16791295.5
申请日：2016-03-09
申请人： Fujikura Ltd.
发明人： KAJI, Tomoaki , MIKAMI, Masataka , ISHIOKA, Masayuki , OSATO, Ken , YAMANAKA, Masayoshi , OKADA, Naoki
IPC分类号： G02B6/44
CPC分类号： G02B6/449 , G02B6/44 , G02B6/4403 , G02B6/441 , G02B6/4413
摘要： In order to achieve, even at an increased line speed, joining of bundling members at sections where their winding directions are reversed, the invention provides a method for producing an optical fiber unit by winding at least two bundling members on the outer circumference of an optical fiber bundle formed by bundling a plurality of optical fibers. This method involves: feeding the optical fiber bundle in a feeding direction from a fiber passage member; feeding the bundling members while forming intersection points between two of the bundling members on the outer circumference of the optical fiber bundle by feeding at least one of the bundling members from a bundling member passage part of a rotating member arranged to the outer circumference of the fiber passage member, while causing the rotating member to oscillate, with the feeding direction serving as the axis; and fusion-bonding the bundling members at their intersection points by passing the optical fiber bundle and the bundling members through a heating unit arranged downstream from the fiber passage member and the rotating member in the feeding direction, and thus forming an optical fiber unit in which the winding direction, with respect to the optical fiber bundle, of the at least one of the bundling members is reversed at a fusion-bonded point between the bundling members.
摘要翻译：为了即使在线速度提高的情况下也能够实现捆扎部件的卷绕方向相反的部分的接合，本发明提供一种光纤单元的制造方法，该方法通过将至少两个捆扎部件卷绕在光学部件的外周通过捆扎多根光纤形成光纤束。该方法包括：从光纤通道构件沿馈送方向馈送光纤束; 通过从布置在光纤外周的旋转构件的成束构件通过部分馈送至少一个成束构件，在光纤束的外周上的两个成束构件之间形成交点的同时馈送成束构件同时使所述旋转部件摆动，同时以所述进给方向作为所述轴; 以及使所述光纤束和所述捆扎部件通过布置在所述光纤通道部件和所述旋转部件的输送方向下游的加热单元，从而在所述交叉点处熔接所述捆扎部件，从而形成光纤单元，其中，至少一个捆扎部件相对于光纤束的卷绕方向在捆扎部件之间的熔接点处相反。

19. 发明公开

EP4379439A1 OPTICAL CABLE AND OPTICAL CABLE MANUFACTURING METHOD 审中-实审
公开(公告)号：EP4379439A1
公开(公告)日：2024-06-05
申请号：EP22848964.7
申请日：2022-04-19
申请人： FUJIKURA LTD.
发明人： SHIMIZU, Shogo , KANEKO, Soichiro , NAMAZUE, Akira , OSATO, Ken
IPC分类号： G02B6/44
CPC分类号： G02B6/44
摘要： An optical cable according to the present disclosure includes a plurality of optical fiber units, the optical fiber unit including a fiber bundle constituted by a plurality of optical fibers. The plurality of optical fiber units are twisted together in an S-Z configuration by reversing the twisting direction. A twisting angle by which the optical fiber units are twisted in a circumferential direction between one reversal part, at which the twisting direction is reversed, and an adjacent reversal part is 540 degrees or greater.

20. 发明公开

EP4177651A1 OPTICAL FIBER UNIT AND OPTICAL FIBER UNIT MANUFACTURING METHOD 审中-实审
公开(公告)号：EP4177651A1
公开(公告)日：2023-05-10
申请号：EP21834070.1
申请日：2021-06-22
申请人： FUJIKURA LTD.
发明人： YAMASHITA, Noriaki , NAMAZUE, Akira , OSATO, Ken
IPC分类号： G02B6/44
摘要： An optical fiber unit according to the present disclosure includes a plurality of intermittently-connected optical fiber ribbons. At least one of the optical fiber ribbons includes a plurality of optical fibers including a first optical fiber, and a second optical fiber that is longer than the first optical fiber. Conditions (AA) and c C > 100 × 2 Y b 2 + 1 − 1

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