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公开(公告)号：EP4024105A1
公开(公告)日：2022-07-06
申请号：EP19943044.8
申请日：2019-12-19
发明人： WANG, Chenshi , LI, Xinjian , MIAO, Weiwei , LU, Jie , ZHOU, Hua , LI, Qiang
IPC分类号： G02B6/44
摘要： An easy-stripping dry-type optical fiber micro tube (20) and an all-dry type micro beam optical cable (100), the micro tube (20) includes a plurality of optical fibers (2), a plurality of water blocking yarns (3), and a microtubule sheath (1) wrapped up the optical fibers (2) and the water blocking yarns (3), an equivalent circumferential diameter of the plurality of optical fibers (2) accounts for less than 90% and greater than or equal to 70% in an inner cavity of the microtubule sheath (1), and the water blocking yarn (3) accounts for 20% and less in the inner cavity of the microtubule sheath (1), material of the microtubule sheath (1) includes an olefin polymer and an inorganic filler. Through using combined materials of the polyolefin and inorganic filler, the microtubule sheath can be peeled by hand without the help of tools.
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公开(公告)号：EP4431992A1
公开(公告)日：2024-09-18
申请号：EP23861785.6
申请日：2023-01-30
发明人： MIAO, Weiwei , ZHOU, Hua , TAN, Feng , MIAO, Xiaoming , SHEN, Liuliu , QIAN, Huihui , MIAO, Bin , CAI, Jie , MIAO, Fenyan
IPC分类号： G02B6/44
摘要： The present application relates to the field of optical cables, and specifically provides a flexible optical fiber ribbon and a ribbon optical cable. The flexible optical fiber ribbon includes a plurality of optical fibers arranged in parallel in a same plane to form an optical fiber arrangement, and connecting parts are arranged at an interval in a longitudinal direction of a front arrangement surface and a back arrangement surface of the optical fiber arrangement respectively; the connecting parts are straight shapes with a certain inclined angle and are unevenly distributed on the optical fiber arrangement; materials of a front surface connecting part and a back surface connecting part are a resin; a viscosity of the resin of the front surface connecting part is higher than that of the resin of the back surface connecting part, and a tensile strength of the resin of the front surface connecting part is higher than that of the resin of the back surface connecting part. The resins of the front surface connecting part and the back surface connecting part are different in tensile strength and adhesion degree, which is suitable for the situation that the optical fiber ribbon is coiled or folded to the back, so as to ensure that a bonding point of the optical fiber ribbon does not fall off during a process of coiling to result in optical fiber scattering.
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