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    • 1. 发明专利
    • Optical fiber cable and its manufacturing method
    • 光纤电缆及其制造方法
    • JP2014006376A
    • 2014-01-16
    • JP2012141869
    • 2012-06-25
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • TAKEDA DAIKIOKADA NAOKIYAMANAKA MASAYOSHISHIOBARA SATORUTOMIKAWA KOJIYAMADA YUSUKETSUNODA DAISUKESHIBATA MASAHIKONAKANE HISAAKIHAMAGUCHI MASAYA
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical fiber cable that makes it easy to draw out the leading end of the optical fiber cable while maintaining the retention of an optical fiber unit by use of a binding member.SOLUTION: An optical fiber cable comprises: optical fiber units 10a, 10b, and 10c, each of which is obtained by winding single binding member 12a, 12b, 12c around a plurality of optical fibers 11a, 11b, 11c; and a sheath 2 mounting the optical fiber units 10a, 10b, and 10c in it. Each of the binding members 12a, 12b, and 12c includes two types of thermoplastic resin of different fusing points. One of the thermoplastic resins has a fusing point higher than the resin temperature during the extrusion of the sheath when the cable is manufactured, the other thermoplastic resin has a fusing point lower than the resin temperature. When the cable is manufactured, the other thermoplastic resin is softened with heat generated during the extrusion of the sheath 2, and is solidified during the cooling of the cable. Thereby the binding members 12a, 12b, and 12c are curved and are able to retain a wound shape.
    • 要解决的问题:提供一种光缆,其可以容易地拉出光纤电缆的前端,同时通过使用绑定构件保持光纤单元的保持。解决方案:光纤电缆包括: 光纤单元10a,10b,10c,其各自通过将多个光纤11a,11b,11c围绕单个绑定构件12a,12b,12c而获得; 以及将光纤单元10a,10b,10c安装在其中的护套2。 每个装订构件12a,12b和12c包括两种不同熔点的热塑性树脂。 当制造电缆时,其中一种热塑性树脂具有比护套挤出期间的树脂温度高的熔点,另一种热塑性树脂的熔点低于树脂温度。 当制造电缆时,另一热塑性树脂由于鞘2的挤出期间产生的热而软化,并且在电缆的冷却期间被固化。 因此,装订构件12a,12b和12c是弯曲的并且能够保持卷绕形状。
    • 6. 发明专利
    • Optical fiber ribbon, and optical fiber cable housing optical fiber ribbon therein
    • 光纤玻璃纤维和光纤电缆外壳光纤罗宾
    • JP2014157382A
    • 2014-08-28
    • JP2014117800
    • 2014-06-06
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • NAMAZUE AKIRAOSATO TAKESHIOKADA NAOKIYAMADA YUSUKETSUNODA DAISUKENAKANE HISAAKIHAMAGUCHI MASAYA
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide an optical fiber ribbon capable of realizing high densification and diameter reduction, and also laying optical fibers on V-shaped grooves of a fusing machine without coming off.SOLUTION: There is provided an optical fiber ribbon 1 in which three or more optical fibers 2 are disposed in parallel, and also a portion between the two optical fibers 2 adjoining each other is coupled with a coupling portion 3 and the coupling portions 3 are provided intermittently in the longitudinal direction of the optical fiber ribbon and the width direction of the optical fiber ribbon respectively. In the optical fiber ribbon, there is a clearance between the two optical fibers 2 adjoining each other. The coupling portion 3 is formed with clearance filled with resin, and both surfaces of the coupling portion 3 are recessed in an arc-shaped manner further toward the center side of the clearance than a line for connecting contact points to each other formed in laying the optical fibers 2 on a horizontal plane.
    • 要解决的问题:提供一种能够实现高致密化和直径减小的光纤带,并且还将光纤放置在定影机的V形槽上而不会脱落。解决方案:提供一种光纤带1,其中 三根或更多根光纤2平行配置,并且彼此相邻的两个光纤2之间的部分与耦合部分3耦合,并且耦合部分3在光纤带的纵向间断地设置,并且 光纤带的宽度方向。 在光纤带中,两个彼此相邻的光纤2之间存在间隙。 联接部3形成有填充有树脂的间隙,并且耦合部3的两个表面相对于在彼此间形成的连接接触点的线进一步朝向间隙的中心侧凹陷, 光纤2在水平面上。
    • 7. 发明专利
    • Taped material removal tool
    • TAPE材料拆卸工具
    • JP2014085511A
    • 2014-05-12
    • JP2012234400
    • 2012-10-24
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • ISACHI MIZUKISAJIMA YOSHIEMATSUZAWA TAKASHIYAGI SHOTAOSATO TAKESHIOKADA NAOKINAKANE HISAAKIYAMADA YUSUKETSUNODA DAISUKEHAMAGUCHI MASAYASHIBATA MASAHIKO
    • G02B6/00
    • PROBLEM TO BE SOLVED: To provide a taped material removal tool that is able to easily remove a taped material remaining on the surface of a single-separated coated optical fiber after the single separation of the coated optical fiber.SOLUTION: A taped material removal tool for removing a taped material remaining on the surface of a coated optical fiber by sandwiching the single-separated coated optical fiber and pulling it in the length direction thereof comprises: gripping parts 11a and 11b capable of being opened or closed so as to sandwich the coated optical fiber 10; a pair of elastic bases 12a and 12b attached to the gripping parts 11a and 11b; and a pair of smoothing parts 13a and 13b attached to the pair of bases 12a and 12b and brought into contact with the coated optical fiber when the gripping parts 11a and 11b are closed. The pair of bases 12a and 12b are deformed by pressure applied when the gripping parts 11a and 11b are closed, and the pair of smoothing parts 13a and 13b surround the entire circumference of the coated optical fiber.
    • 要解决的问题:提供一种胶带材料去除工具,其能够在单次分离涂覆光纤之后容易地去除单分离涂覆光纤表面上残留的胶带材料。解决方案:胶带材料去除工具 为了通过夹着单分离的被覆光纤并沿其长度方向拉出来除去残留在被覆光纤的表面上的带状材料,其包括:能够打开或关闭的夹持部11a和11b, 光纤10; 一对安装在夹持部11a,11b上的弹性基座12a,12b; 以及一对平滑部分13a和13b,其安装在一对基座12a和12b上,并且当夹持部分11a和11b关闭时与该被覆光纤接触。 当夹持部分11a和11b关闭时,一对基部12a和12b变形,并且一对平滑部分13a和13b围绕涂覆光纤的整个周边。
    • 8. 发明专利
    • Method of manufacturing optical fiber unit
    • 制造光纤单元的方法
    • JP2013190641A
    • 2013-09-26
    • JP2012057262
    • 2012-03-14
    • Fujikura Ltd株式会社フジクラNippon Telegr & Teleph Corp 日本電信電話株式会社
    • ONO MASASHISHIOBARA SATORUOKADA NAOKIYAMADA YUSUKETSUNODA DAISUKENAKANE HISAAKIHAMAGUCHI MASAYA
    • G02B6/44
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing an optical fiber unit, which allows in-line thermal shrinkage of an identifier string bundling a plurality of optical fibers and is capable of releasing distortion accumulated in the identifier string without increasing processing man-hours.SOLUTION: A method of manufacturing an optical fiber unit includes: a step of extending a bundle of optical fibers 11 in one direction and feeding identifier strings 12a and 12b including a high-melting point member 122 and a low-melting point member 121 having a lower melting point than the high-melting point member 122 to wind them around the bundle of the optical fibers 11; a step of heating the identifier strings 12a and 12b at a first temperature lower than the melting point of the low-melting point member 121; a step of thermally shrinking the identifier strings 12a and 12b by cooling the identifier strings 12a and 12b; a step of thermally fusing intersections T between the identifier strings 12a and 12b by heating the identifier strings 12a and 12b at a second temperature equal to or higher than the melting point of the low-melting point member 121 and lower than the melting point of the high-melting point member 122.
    • 要解决的问题:提供一种制造光纤单元的方法,其允许捆绑多根光纤的标识符串的在线热收缩,并且能够释放在标识符串中累积的失真,而不增加处理工时 解决方案:制造光纤单元的方法包括:在一个方向上延伸一束光纤11的步骤,并且馈送包括高熔点部件122和低熔点部件121的标识符串12a和12b,该高熔点部件122和低熔点部件121具有 比高熔点构件122低的熔点将其缠绕在光纤束11周围; 在低于低熔点构件121的熔点的第一温度下对标识符串12a和12b进行加热的步骤; 通过冷却标识符串12a和12b来热收缩标识符串12a和12b的步骤; 通过在等于或高于低熔点构件121的熔点的第二温度下加热标识符串12a和12b,并且低于熔点的熔点,在标识符串12a和12b之间热熔合交点T的步骤 高熔点部件122。