公开(公告)号：US20120073330A1

公开(公告)日：2012-03-29

申请号：US13245386

申请日：2011-09-26

申请人： Masao TACHIKURA ,  Yoshiyuki Hiramoto

发明人： Masao TACHIKURA ,  Yoshiyuki Hiramoto

IPC分类号： C03B37/07 ,  C03B37/01

CPC分类号： G02B6/25 ,  G02B6/02366 ,  G02B6/02376

摘要： An optical fiber end processing method includes the steps of: an optical fiber fixing step of fixing two parts of the optical fiber; a first heating step of heating a tip end side part of the optical fiber between two fixed parts fixed in the optical fiber fixing step, and melting the optical fiber of the tip end side heating part; a second heating step of heating a part on a base end side of the optical fiber between the fixed parts away from the tip end side heating part in a state that two parts of the optical fiber are fixed, and making the holes of the optical fiber disappear; and a removing step of removing the tip end side heating part after the second heating step.

摘要翻译： 光纤端部处理方法包括以下步骤：固定光纤的两部分的光纤固定步骤; 第一加热步骤，在固定在光纤固定步骤中的两个固定部件之间加热光纤的前端侧部分，并熔化前端侧加热部件的光纤; 第二加热步骤，在光纤的两个部分被固定的状态下，将远离前端侧加热部的固定部分之间的光纤的基端侧的部分加热，并且使光纤的孔 消失; 以及在第二加热步骤之后去除前端侧加热部的去除步骤。

公开(公告)号：US06185350B2

公开(公告)日：2001-02-06

申请号：US09524662

申请日：2000-03-13

申请人： Masao Tachikura ,  Hajime Takemoto ,  Shigenori Uruno ,  Isao Nakanishi

发明人： Masao Tachikura ,  Hajime Takemoto ,  Shigenori Uruno ,  Isao Nakanishi

IPC分类号： G02B644

CPC分类号： G02B6/4434 ,  G02B6/4403 ,  G02B6/4404

摘要： A mono-fiber type optical fiber cord comprising: a coated optical fiber which is an optical fiber with a fiber coat therearound, a synthetic resin coat having a substantially rectangular sectional surface for further covering the coated optical fiber, and a reinforcing member within the coat for coated optical fiber, wherein the reinforcing member is located along one of the shorter sides of the coat in the substantially parallel direction with the shorter sides in such a manner as to be embedded along the longitudinally extending direction of the coated optical fiber. An optical cord ribbon is formed by mutually bonding the longer sides of the adjacent substantially rectangular sectional surfaces of a plurality of the mono-fiber type optical fiber cords, and thereafter by coating the external surface of the thus aligned optical fiber cords by a bundling coating method.

摘要翻译： 一种单纤维型光纤线，包括：作为其周围具有纤维膜的光纤的被覆光纤，具有用于进一步覆盖所述被覆光纤的大致矩形的截面的合成树脂涂层，以及所述涂层内的加强部件 对于涂覆光纤，其中加强构件沿着与短边大致平行的方向沿着涂层的短边中的一个沿着沿着涂覆的光纤的纵向延伸方向嵌入的方式定位。 通过将多根单纤维型光纤线的相邻的大致矩形的截面的长边相互结合而形成光纤带，之后，通过将这样取向的光纤帘线的外表面通过捆扎层 方法。

公开(公告)号：US08764317B2

公开(公告)日：2014-07-01

申请号：US13326225

申请日：2011-12-14

申请人： Masao Tachikura ,  Noribumi Shiina ,  Tatsuo Teraoka ,  Yoshiyuki Hiramoto ,  Mitsumasa Zobuchi ,  Fumi Miyata

发明人： Masao Tachikura ,  Noribumi Shiina ,  Tatsuo Teraoka ,  Yoshiyuki Hiramoto ,  Mitsumasa Zobuchi ,  Fumi Miyata

IPC分类号： G02B6/255 ,  C03B37/15 ,  B65H69/02

CPC分类号： G02B6/2551 ,  G02B6/02295

摘要： An optical fiber end processing method includes fixing two portions of an optical fiber, heating and fusing the optical fiber between the two fixed portions, to form a first heat fusion region, heating and fusing the optical fiber fixed between the two fixed portions unit while fixing the two fixed portions, moving a heat fusion unit from a side of the first heat fusion region toward a base end side of the optical fiber, and pushing a heat fusion portion of the optical fiber in a direction of shortening a length of the heat fusion portion, to form a second heat fusion region continuous to the first heat fusion region and in which the air holes of the optical fiber disappear; and removing the first heat fusion region by cutting the optical fiber within the second heat fusion region after the second heat fusion forming.

摘要翻译： 一种光纤端部处理方法，包括固定光纤的两部分，在两个固定部分之间加热和熔合光纤，形成第一热熔融区域，固定在固定在两个固定部分单元之间的光纤固定 两个固定部分，将热熔融单元从第一热熔融区域的侧面朝向光纤的基端侧移动，并且沿着缩短热熔合长度的方向推动光纤的热熔接部分 形成与第一热熔融区域连续的第二热熔融区域，并且其中光纤的气孔消失; 以及在所述第二热熔融成形之后通过切割所述第二热熔融区域内的光纤来去除所述第一热熔融区域。

公开(公告)号：US20110142402A1

公开(公告)日：2011-06-16

申请号：US12966591

申请日：2010-12-13

申请人： Masao TACHIKURA ,  Kazumasa OHSONO ,  Noribumi SHIINA ,  Yoshikazu NAMEKAWA

发明人： Masao TACHIKURA ,  Kazumasa OHSONO ,  Noribumi SHIINA ,  Yoshikazu NAMEKAWA

IPC分类号： G02B6/255 ,  G02B6/38

CPC分类号： G02B6/2551 ,  G02B6/2552

摘要： An optical fiber that permits, even when the cladding outer diameter thereof is smaller than 125 μm, an eased splicing with other optical fiber using a general-purpose ferrule, is provided. The optical fiber comprises: a first optical fiber having a first core and a first cladding having a cladding outer diameter smaller than 125 μm, wherein the first cladding has a plurality of air holes that extend longitudinally along the axis of the first core; a second optical fiber having a second core to be spliced to the first core, and a second cladding having a cladding outer diameter larger than the outer diameter of the first cladding, wherein the second cladding is to be spliced to the first cladding; and a fusion splice formed between the end of the first optical fiber and the end of the second optical fiber by fusion.

摘要翻译： 即使在包层外径小于125μm的情况下，也可以使用使用通用套圈的其它光纤进行松弛接合的光纤。 该光纤包括：第一光纤，其具有第一芯和第一包层，其包层外径小于125μm，其中所述第一包层具有沿所述第一芯的轴线纵向延伸的多个气孔; 第二光纤，具有要接合到第一芯的第二芯和第二包层，其具有比第一包层的外径大的包层外径，其中第二包层将被拼接到第一包层; 以及通过融合形成在第一光纤的端部和第二光纤的端部之间的熔接。

公开(公告)号：US20050069273A1

公开(公告)日：2005-03-31

申请号：US10990099

申请日：2004-11-15

申请人： Fuminori Nakajima ,  Nobuhisa Ishii ,  Masao Tachikura ,  Shigenori Uruno ,  Hisashi Izumita ,  Hitoshi Ishimaru ,  Kuniaki Yamaguchi

发明人： Fuminori Nakajima ,  Nobuhisa Ishii ,  Masao Tachikura ,  Shigenori Uruno ,  Hisashi Izumita ,  Hitoshi Ishimaru ,  Kuniaki Yamaguchi

IPC分类号： G02B6/44 ,  G02B6/22

CPC分类号： G02B6/4402 ,  G02B6/4436 ,  Y10T428/2913 ,  Y10T428/2933 ,  Y10T428/2967

摘要： An optical fiber cord which is a single core optical fiber cord having an outer diameter of 1.2 mm or less, and has a structure in which an optical fiber core wire having a resin coating is provided at the center, a tensile-strength-fiber layer is provided around the outer periphery of the optical fiber core wire, and a coating layer is further provided around the outer periphery of the tensile-strength-fiber layer, wherein the coating layer is composed of a non-halogen fire-retardant resin, is disclosed. This optical fiber cord has excellent fire retardant, mechanical and handling properties, although the outer diameter thereof is made smaller.

摘要翻译： 作为外径为1.2mm以下的单芯光纤线的光纤线，具有在中央设置有具有树脂被膜的光纤芯线的结构，拉伸强度纤维层 设置在所述光纤芯线的外周的周围，并且在所述拉伸强度纤维层的外周附近设置涂层，其中所述涂层由非卤素阻燃树脂构成， 披露 该光纤帘线具有优异的阻燃性，机械性和操作性，尽管其外径较小。

公开(公告)号：US20080253726A1

公开(公告)日：2008-10-16

申请号：US12073411

申请日：2008-03-05

申请人： Yoshinori Kurosawa ,  Bing Yao ,  Kazumasa Ohsono ,  Masao Tachikura ,  Hisanori Nakai ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

发明人： Yoshinori Kurosawa ,  Bing Yao ,  Kazumasa Ohsono ,  Masao Tachikura ,  Hisanori Nakai ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

IPC分类号： G02B6/02

CPC分类号： G02B6/02347 ,  G02B6/02 ,  G02B6/02328 ,  G02B6/02366 ,  G02B6/02385 ,  G02B6/255 ,  G02B6/3652 ,  G02B6/381 ,  G02B6/382

摘要： An optical fiber which, at an optical fiber connecting end having a plurality of voids around the periphery of a core, has a light-permeable substance, such as a resin or glass whose refractive index is lower than that of quartz type substances, filled in the voids adjacent to the connecting end. An optical fiber connecting section where an optical fiber having a plurality of voids in a clad around the periphery of a core is connected to another optical fiber, wherein the optical fiber is connected end-to-end to aforesaid another optical fiber through a refractive index matching agent whose refractive index at the minimum temperature in actual use is lower than that of the core.

摘要翻译： 一种光纤，其在具有围绕芯周围的多个空隙的光纤连接端具有透光性物质，例如树脂或玻璃，其折射率低于石英类物质的折射率 与连接端相邻的空隙。 一种光纤连接部分，其中在芯周围的包层中具有多个空隙的光纤连接到另一光纤，其中光纤通过折射率端对端连接到前述另一光纤 匹配剂，其实际使用的最低温度的折射率低于核心的折射率。

公开(公告)号：US07153570B2

公开(公告)日：2006-12-26

申请号：US10990099

申请日：2004-11-15

申请人： Fuminori Nakajima ,  Nobuhisa Ishii ,  Masao Tachikura ,  Shigenori Uruno ,  Hisashi Izumita ,  Hitoshi Ishimaru ,  Kuniaki Yamaguchi

发明人： Fuminori Nakajima ,  Nobuhisa Ishii ,  Masao Tachikura ,  Shigenori Uruno ,  Hisashi Izumita ,  Hitoshi Ishimaru ,  Kuniaki Yamaguchi

IPC分类号： G02B6/44

CPC分类号： G02B6/4402 ,  G02B6/4436 ,  Y10T428/2913 ,  Y10T428/2933 ,  Y10T428/2967

摘要： An optical fiber cord which is a single core optical fiber cord having an outer diameter of 1.2 mm or less, and has a structure in which an optical fiber core wire having a resin coating is provided at the center, a tensile-strength-fiber layer is provided around the outer periphery of the optical fiber core wire, and a coating layer is further provided around the outer periphery of the tensile-strength-fiber layer, wherein the coating layer is composed of a non-halogen fire-retardant resin, is disclosed. This optical fiber cord has excellent fire retardant, mechanical and handling properties, although the outer diameter thereof is made smaller.

摘要翻译： 作为外径为1.2mm以下的单芯光纤线的光纤线，具有在中央设置有具有树脂被膜的光纤芯线的结构，拉伸强度纤维层 设置在所述光纤芯线的外周的周围，并且在所述拉伸强度纤维层的外周附近设置涂层，其中所述涂层由非卤素阻燃树脂构成， 披露 该光纤帘线具有优异的阻燃性，机械性和操作性，尽管其外径较小。

公开(公告)号：US5613021A

公开(公告)日：1997-03-18

申请号：US449360

申请日：1995-05-24

申请人： Kazuhito Saito ,  Masayuki Nishimura ,  Tohru Yamanishi ,  Hideo Kobayashi ,  Toshiaki Katagiri ,  Masao Tachikura

发明人： Kazuhito Saito ,  Masayuki Nishimura ,  Tohru Yamanishi ,  Hideo Kobayashi ,  Toshiaki Katagiri ,  Masao Tachikura

IPC分类号： G02B6/24 ,  G02B6/35 ,  G02B6/36 ,  G02B6/38 ,  G02B6/40 ,  G02B6/44 ,  G02B26/08 ,  H04Q3/52 ,  G02B6/26

CPC分类号： G02B6/3508 ,  G02B6/3502 ,  G02B6/3825 ,  G02B6/3897 ,  G02B6/444 ,  G02B6/3556 ,  G02B6/3558 ,  G02B6/3568 ,  G02B6/3582 ,  G02B6/385 ,  G02B6/3898

摘要： There is disclosed an optical fiber switching device having a coupling board comprising a plurality of first optical fibers connected to one surface of the coupling board in the arrangement to one surface of the coupling board, a plurality of second optical fibers connected to the another surface of the coupling board, an optical fiber length adjusting unit for handling surplus portions of the second optical fibers and switching unit for pulling out any one of the second optical fibers selected from the plural second optical fibers from the another surface of the connecting board and for connecting the any one optical fiber to different switching position of the another surface of the connecting board to coupling the any one optical fiber with any one of the first optical fibers.

摘要翻译： 公开了一种光纤切换装置，其具有耦合板，该耦合板包括多个第一光纤，该多个第一光纤在耦合板的一个表面上连接到耦合板的一个表面，多个第二光纤连接到耦合板的另一个表面 耦合板，用于处理第二光纤的剩余部分的光纤长度调节单元和用于从连接板的另一表面拉出从多个第二光纤中选出的任何一个第二光纤并用于连接 将任意一根光纤连接到连​​接板的另一表面的不同切换位置，以将任何一根光纤与第一光纤中的任一个耦合。

公开(公告)号：US08800323B2

公开(公告)日：2014-08-12

申请号：US12073412

申请日：2008-03-05

申请人： Yoshinori Kurosawa ,  Bing Yao ,  Kazumasa Ohsono ,  Masao Tachikura ,  Hisanori Nakai ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

发明人： Yoshinori Kurosawa ,  Bing Yao ,  Kazumasa Ohsono ,  Masao Tachikura ,  Hisanori Nakai ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

IPC分类号： C03B37/00

CPC分类号： G02B6/02347 ,  G02B6/02 ,  G02B6/02328 ,  G02B6/02366 ,  G02B6/02385 ,  G02B6/255 ,  G02B6/3652 ,  G02B6/381 ,  G02B6/382

摘要： An optical fiber which, at an optical fiber connecting end having a plurality of voids around the periphery of a core, has a light-permeable substance, such as a resin or glass whose refractive index is lower than that of quartz type substances, filled in the voids adjacent to the connecting end. An optical fiber connecting section where an optical fiber having a plurality of voids in a clad around the periphery of a core is connected to another optical fiber, wherein the optical fiber is connected end-to-end to aforesaid another optical fiber through a refractive index matching agent whose refractive index at the minimum temperature in actual use is lower than that of the core.

摘要翻译： 一种光纤，其在具有围绕芯周围的多个空隙的光纤连接端具有透光性物质，例如树脂或玻璃，其折射率低于石英类物质的折射率 与连接端相邻的空隙。 一种光纤连接部分，其中在芯周围的包层中具有多个空隙的光纤连接到另一光纤，其中光纤通过折射率端对端连接到前述另一光纤 匹配剂，其实际使用的最低温度的折射率低于核心的折射率。

公开(公告)号：US07349610B2

公开(公告)日：2008-03-25

申请号：US10558890

申请日：2004-06-30

申请人： Kazumasa Ohsono ,  Masao Tachikura ,  Yoshinori Kurosawa ,  Yoshikazu Namekawa ,  Kenji Kawase ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

发明人： Kazumasa Ohsono ,  Masao Tachikura ,  Yoshinori Kurosawa ,  Yoshikazu Namekawa ,  Kenji Kawase ,  Toshio Kurashima ,  Eiji Araki ,  Katumi Hiramatu

IPC分类号： G02B6/02

CPC分类号： G02B6/4458 ,  G02B6/02314

摘要： An optical fiber coiled cord having a coil construction in which an optical fiber cord is spirally bent to obtain lengthwise stretchability, wherein the fiber coiled cord is provided with a stretch length control member which restricts lengthwise elongation.

摘要翻译： 一种具有线圈结构的光纤线圈，其中光纤线被螺旋弯曲以获得纵向拉伸性，其中纤维卷绕线设置有限制纵向伸长的拉伸长度控制构件。