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1.发明授权Process for making loose buffer tubes having controlled excess fiber length and reduced post-extrusion shrinkage 有权制备具有受控的过量纤维长度和减少挤出后收缩的缓冲缓冲管的方法公开(公告)号：US08489219B1
公开(公告)日：2013-07-16
申请号：US12696338
申请日：2010-01-29
IPC分类号： G06F9/312
CPC分类号： G02B6/443 , B29C47/0014 , B29C47/34 , B29C2947/92438 , B29C2947/92523
摘要： Disclosed is an improved buffering method for controlling excess fiber length (EFL) and reducing post-extrusion shrinkage in loose buffer tubes. In this way, the method yields first-quality loose buffer tubes not only during steady-state operation but also during ramping, thereby increasing production efficiency and reducing waste.
摘要翻译： 公开了一种用于控制过量纤维长度（EFL）并减少松散缓冲管中的挤出后收缩的改进的缓冲方法。 这样，不仅在稳态运行期间，而且在斜坡期间，该方法产生了一流的缓冲缓冲管，从而提高了生产效率并减少了浪费。
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公开(公告)号：US20100067857A1
公开(公告)日：2010-03-18
申请号：US12557086
申请日：2009-09-10
IPC分类号： G02B6/44
CPC分类号： G02B6/4411 , G02B6/4438 , G02B6/4464
摘要： Disclosed is a fiber-optic cable that possesses a high cable filling coefficient (and/or a high cable fiber density) yet ensures that its enclosed optical fibers demonstrate improved attenuation performance when subjected to temperature variations between about −40° C. and 70° C. The fiber-optic cable is suitable for efficient installation into ducts, such as via blowing.
摘要翻译： 公开了具有高电缆填充系数（和/或高电缆光纤密度）的光纤电缆，并确保其封闭的光纤在经受约-40℃和70℃之间的温度变化时表现出改善的衰减性能 C.光纤电缆适用于有效地安装到管道中，例如通过吹风。
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公开(公告)号：US08145026B2
公开(公告)日：2012-03-27
申请号：US12615003
申请日：2009-11-09
IPC分类号： G02B6/02
CPC分类号： G02B6/4433 , C03C25/106 , G02B1/048 , G02B6/02395 , G02B6/4402 , G02B6/4482
摘要： Disclosed is an improved optical fiber that employs a novel coating system. When combined with a bend-insensitive glass fiber, the novel coating system according to the present invention yields an optical fiber having exceptionally low losses.The coating system features (i) a softer primary coating with excellent low-temperature characteristics to protect against microbending in any environment and in the toughest physical situations and, optionally, (ii) a colored secondary coating possessing enhanced color strength and vividness.The improved coating system provides optical fibers that are useful in reduced-size drop cables.
摘要翻译： 公开了采用新型涂层系统的改进的光纤。 当与弯曲不敏感的玻璃纤维组合时，根据本发明的新型涂层系统产生具有异常低损耗的光纤。 涂层系统的特征是（i）具有优异的低温特性的较软的初级涂层，以防止任何环境和最强的物理情况下的微弯曲，以及（ii）具有增强的颜色强度和鲜明度的着色的二次涂层。 改进的涂层系统提供可用于尺寸减小的电缆中的光纤。
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公开(公告)号：US08625945B1
公开(公告)日：2014-01-07
申请号：US12779419
申请日：2010-05-13
IPC分类号： H01B11/22
CPC分类号： G02B6/4429
摘要： Disclosed is a low-shrink buffer tube having a reduced diameter. The buffer tube provides adequate crush resistance and is suitable for deployments requiring mid-span access.
摘要翻译： 公开了一种直径减小的低收缩缓冲管。 缓冲管提供足够的抗压性，适用于需要中跨接口的部署。
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公开(公告)号：US07974507B2
公开(公告)日：2011-07-05
申请号：US12557086
申请日：2009-09-10
IPC分类号： G02B6/44
CPC分类号： G02B6/4411 , G02B6/4438 , G02B6/4464
摘要： Disclosed is a fiber-optic cable that possesses a high cable filling coefficient (and/or a high cable fiber density) yet ensures that its enclosed optical fibers demonstrate improved attenuation performance when subjected to temperature variations between about −40° C. and 70° C. The fiber-optic cable is suitable for efficient installation into ducts, such as via blowing.
摘要翻译： 公开了具有高电缆填充系数（和/或高电缆光纤密度）的光纤电缆，并确保其封闭的光纤在经受约-40℃和70℃之间的温度变化时表现出改善的衰减性能 C.光纤电缆适用于有效地安装到管道中，例如通过吹风。
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公开(公告)号：US07970247B2
公开(公告)日：2011-06-28
申请号：US12558390
申请日：2009-09-11
申请人： Jeffrey Scott Barker
发明人： Jeffrey Scott Barker
IPC分类号： G02B6/44
CPC分类号： G02B6/4429 , G02B6/4434 , G02B6/4475
摘要： Disclosed is a buffer tube that possesses a higher buffer-tube filling coefficient. Optical fibers enclosed within the buffer tube demonstrate improved attenuation performance when subjected to temperature variations between about −40° C. and 70° C. The buffer tube is suitable for deployments requiring mid-span access.
摘要翻译： 公开了具有较高缓冲管填充系数的缓冲管。 封闭在缓冲管内的光纤在经受-40℃至70℃之间的温度变化时显示出改进的衰减性能。缓冲管适用于需要中跨接入的部署。
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公开(公告)号：US20100092135A1
公开(公告)日：2010-04-15
申请号：US12557055
申请日：2009-09-10
CPC分类号： G02B6/4471
摘要： The present invention provides optical fiber communication cable assemblies useful for separating and conveying individual fibers from a multiple optical fiber cable to connectors in a protective manner. The optical fiber cable assembly is suitable for outdoor use and includes a (i) cable with multiple optical fibers; (ii) a furcation unit attached to the cable for directing individual optical fibers from the cable to furcation legs; and (iii) multiple furcation legs receiving at least one of the optical fibers. The furcation legs include (i) a buffer tube surrounding the optical fiber; (ii) strength members surrounding the buffer tube; and (iii) a jacket surrounding the strength members. The furcation legs typically exhibit a tensile rating of at least about 50 pounds (lbf), more typically 100 pounds (lbf) or more. Moreover, the furcation legs typically exhibit total shrinkage of less than about 2 percent when cycled from +23° C. to −40° C. to +70° C. to −40° C.
摘要翻译： 本发明提供了一种光纤通信电缆组件，其用于以单独的光纤缆线将各个光纤以保护的方式分离和传送到连接器。 光纤电缆组件适用于室外使用，并包括（i）具有多根光纤的电缆; （ii）附接到电缆的分叉单元，用于将各个光纤从电缆引导到分叉支腿; 和（iii）多个分叉支腿接收至少一个光纤。 分叉腿包括（i）围绕光纤的缓冲管; （ii）围绕缓冲管的强度构件; 和（iii）围绕强度构件的护套。 分叉腿通常表现出至少约50磅（lbf），更通常为100磅（lbf）或更大的拉伸等级。 此外，当从+ 23℃至-40℃至+ 70℃至-40℃循环时，分叉腿通常表现出小于约2％的总收缩率。
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公开(公告)号：US07391944B2
公开(公告)日：2008-06-24
申请号：US11456945
申请日：2006-07-12
IPC分类号： G02B6/44
CPC分类号： G02B6/4433 , G02B6/4416 , G02B6/4495
摘要： A drop cable includes a jacket having first and second opposing sides. The first side has a concave surface. At least one strength member is disposed in the jacket. An optical transmission component is disposed within the jacket and proximate the concave surface. The optical transmission component includes a plurality of optical fibers.
摘要翻译： 落线电缆包括具有第一和第二相对侧的护套。 第一面具有凹面。 至少一个强度构件设置在护套中。 光传输部件设置在护套内并靠近凹面。 光传输部件包括多根光纤。
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公开(公告)号：US08401353B2
公开(公告)日：2013-03-19
申请号：US12557055
申请日：2009-09-10
IPC分类号： G02B6/44
CPC分类号： G02B6/4471
摘要： The present invention provides optical fiber communication cable assemblies useful for separating and conveying individual fibers from a multiple optical fiber cable to connectors in a protective manner. The optical fiber cable assembly is suitable for outdoor use and includes a (i) cable with multiple optical fibers; (ii) a furcation unit attached to the cable for directing individual optical fibers from the cable to furcation legs; and (iii) multiple furcation legs receiving at least one of the optical fibers. The furcation legs include (i) a buffer tube surrounding the optical fiber; (ii) strength members surrounding the buffer tube; and (iii) a jacket surrounding the strength members. The furcation legs typically exhibit a tensile rating of at least about 50 pounds (lbf), more typically 100 pounds (lbf) or more. Moreover, the furcation legs typically exhibit total shrinkage of less than about 2 percent when cycled from +23° C. to −40° C. to +70° C. to −40° C.
摘要翻译： 本发明提供了一种光纤通信电缆组件，其用于以单独的光纤缆线将各个光纤以保护的方式分离和传送到连接器。 光纤电缆组件适用于室外使用，并包括（i）具有多根光纤的电缆; （ii）附接到电缆的分叉单元，用于将各个光纤从电缆引导到分叉支腿; 和（iii）多个分叉支腿接收至少一个光纤。 分叉腿包括（i）围绕光纤的缓冲管; （ii）围绕缓冲管的强度构件; 和（iii）围绕强度构件的护套。 分叉腿通常表现出至少约50磅（lbf），更通常为100磅（lbf）或更大的拉伸等级。 此外，当从+ 23℃至-40℃至+ 70℃至-40℃循环时，分叉腿通常表现出小于约2％的总收缩率。
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公开(公告)号：US08625944B1
公开(公告)日：2014-01-07
申请号：US12779407
申请日：2010-05-13
CPC分类号： G02B6/4429
摘要： Disclosed is a low-shrink buffer tube having a reduced diameter. The buffer tube provides adequate crush resistance and is suitable for deployments requiring mid-span access.
摘要翻译： 公开了一种直径减小的低收缩缓冲管。 缓冲管提供足够的抗压性，适用于需要中跨接口的部署。
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