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1. 发明专利

JP2011123472A Optical fiber cable and method for manufacturing the same 审中-公开
标题翻译：光纤电缆及其制造方法
公开(公告)号：JP2011123472A
公开(公告)日：2011-06-23
申请号：JP2010156794
申请日：2010-07-09
申请人： Fujikura Ltd , 株式会社フジクラ
发明人： OSATO TAKESHI , TAKE YUKIKO , OKADA NAOKI , TAKADA JIRO , ISHIOKA MASAYUKI
IPC分类号： G02B6/44
CPC分类号： G02B6/4429 , G02B6/4482 , G02B6/4494
摘要： PROBLEM TO BE SOLVED: To easily connect optical fibers in an optical unit to optical fibers in another optical unit in an optical fiber cable having a structure in which optical units containing multiple optical fibers are assembled, and to prevent the optical fibers composing the optical units from coming apart in the vicinity of terminals, and further to easily manufacture the optical fiber cables.
SOLUTION: Each optical unit 2a includes multiple optical fibers 2 and cylindrical tubes 3 bunching the optical fibers 2. The cylindrical tubes 3 are formed from a thermoplastic film tape, and are formed in a cylindrical shape having an overlapping part of the thermoplastic film tape along the length direction of the tubes.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了容易地将光学单元中的光纤连接到具有组装有包含多根光纤的光学单元的结构的光纤电缆中的另一光学单元中的光纤，并且防止构成的光纤光学单元在端子附近分离，并且进一步容易地制造光纤电缆。解决方案：每个光学单元2a包括多个光纤2和聚束光纤2的圆柱形管3.圆柱形管3由热塑性薄膜带形成，并且形成为具有热塑性塑料的重叠部分的圆柱形胶带沿着管的长度方向。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JPH03214104A DEVICE FOR FEEDING OPTICAL UNIT BY PRESSURE 失效
公开(公告)号：JPH03214104A
公开(公告)日：1991-09-19
申请号：JP955390
申请日：1990-01-19
申请人： FUJIKURA LTD
发明人： MOGI AKIO , TAKADA JIRO , OKADA NAOKI , MISONO NOBUYUKI , SUZUKI HIDEO
IPC分类号： G02B6/46 , G02B6/44 , H02G1/08
摘要： PURPOSE:To improve forced feeding characteristics by partitioning a forced feeding chamber into >=2 small mutual communicating chambers in the sending- out direction of an optical unit and making the pressure in the small chamber on the side in the lead-in direction of the optical unit higher than the pressure in the small chamber on the side in the sending-out direction of the optical unit. CONSTITUTION:A passage 13 is sectioned into the two chambers 20 and 21, i.e. the 1st small chamber 20 on the side of an optical unit insertion port and the 2nd small chamber 21 on the sending-out side of the optical unit in the sending-out direction of the optical unit 12. Then air pressure applied from compressed air flow passages 17 and 18 is so set that the air pressure in the 1st compressed air flow passage 17 is higher than the air pressure in the 2nd compressed air flow passage 18 and the air pressure in the 1st chamber 20 on the optical unit insertion port side is higher than the air pressure in the 2nd small chamber 21 on the optical unit sending-out side. Consequently, even if a little air leaks from the optical unit insertion port, the air pressure in the small chamber 21 on the side in the sending-out direction of the optical unit does not drop and the excellent forced feeding characteristics are obtained.

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