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1. 发明公开

KR1020020077121A 광케이블, 광케이블의 제조 장치 및 제조 방법 失效
标题翻译：光纤光缆与RIPCORD和制造方法
公开(公告)号：KR1020020077121A
公开(公告)日：2002-10-11
申请号：KR1020020016630
申请日：2002-03-27
申请人： 가부시키가이샤후지쿠라
发明人： 오카다나오키 , 하시모토요시오 , 야마나카마사요시 , 스에마츠미치오 , 미야모토마츠히로 , 사토요시야스
IPC分类号： G02B6/44
CPC分类号： G02B6/4495
摘要： PURPOSE: An optical fiber cable with ripcord and manufacturing method is provided which does not need a large amount of filling material or a long cylindrical spacer in which spiral grooves are formed, and furthermore has excellent cable properties even when the optical tape core laminates are twisted in an SZ arrangement and the optical cable is bent. CONSTITUTION: An optical cable comprises optical fibers, a forming pipe(2) for housing the optical fibers, a sheath(4) provided around the forming pipe, a pair of tension members(5) embedded in the sheath, and a pair of rip cords similarly embedded inside the sheath. The forming pipe is fashioned using a plurality of tapes in such a way as to permit the forming pipe to be divided in their longitudinal direction. The rip cords are provided near the seams of the forming pipe. And a distance from the surface of the tension members to the inner surface of the sheath and to the outer surface of the sheath are both 0.3 mm or more, and the distance from the center of the rip cords to the inner surface of the sheath is from 0.2-fold or greater to 1.2-fold or less than the radius of the rip cords, and the distance from the surface of the rip cords to the seams of the forming pipes is 0.5 mm or less.
摘要翻译：目的：提供一种具有撕裂和制造方法的光纤电缆，其不需要大量填充材料或形成螺旋槽的长圆柱形间隔物，并且即使当光带芯层叠体被扭曲时，还具有优异的电缆特性在SZ布置中，光缆弯曲。构成：光缆包括光纤，用于容纳光纤的成形管（2），设置在成形管周围的护套（4），嵌入护套中的一对张力构件（5）和一对裂口帘线类似地嵌入鞘内。成型管使用多个带以允许成形管在其纵向方向上分割的方式成型。裂缝被提供在成形管的接缝附近。并且从张力构件的表面到护套的内表面和护套的外表面的距离都为0.3mm以上，并且从撕裂线的中心到护套的内表面的距离为从撕裂帘的半径的0.2倍以上至1.2倍以下，从成形管的表皮到接缝的距离为0.5mm以下。

2. 发明授权

KR100419434B1 광케이블, 광케이블의 제조 장치 및 제조 방법 失效
标题翻译： 광케이블，광케이블의제조장치및제조방법
公开(公告)号：KR100419434B1
公开(公告)日：2004-02-18
申请号：KR1020020016630
申请日：2002-03-27
申请人： 가부시키가이샤후지쿠라
发明人： 오카다나오키 , 하시모토요시오 , 야마나카마사요시 , 스에마츠미치오 , 미야모토마츠히로 , 사토요시야스
IPC分类号： G02B6/44
CPC分类号： G02B6/4495
摘要： The present invention's optical cable is manufactured using a manufacturing device which has a cylindrical inner pipe; a cylindrical nipple which is disposed outside the inner pipe with a first spacing interval therebetween, and in which tension member insertion holes and rip cord insertion holes have been formed; and a die which is disposed outside this nipple with a second spacing interval therebetween. In the method for manufacturing this optical cable using the aforementioned device, a plurality of plastic tapes are sent into the first spacing interval, and are shaped into a pipe to make a forming pipe, an optical unit relayed from inside the inner pipe is housed inside the forming pipe, tension members and rip cords are relayed from tension member insertion holes and rip cord insertion holes respectively, and melted resin to form the sheath is supplied from a second spacing interval.
摘要翻译：本发明的光缆使用具有圆筒形内管的制造装置来制造; 一个圆柱形的接头，它以第一间距设置在内管的外面，并且其中形成了拉力元件插入孔和拉绳插入孔; 以及在该乳头外部以第二间隔间隔设置的模具。在使用上述装置制造这种光缆的方法中，多个塑料带被送入第一间隔区，并且被成形为管以形成成形管，从内管内部中继的光学单元容纳在内部成形管，拉力构件和拉索分别从拉力构件插入孔和拉索插入孔中继，并且熔化树脂以形成从第二间隔间隔供给的护套。＆lt;图像＆GT;

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