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    • 7. 发明授权
    • Optical fiber cable capable of withstanding a jump in temperature to
350.degree. C. for a short period of time
    • 能够耐受短时间内温度升至350℃的光纤电缆
    • US5028116A
    • 1991-07-02
    • US548537
    • 1990-07-05
    • Jean-Pierre BonicelOlivier Tatat
    • Jean-Pierre BonicelOlivier Tatat
    • G02B6/44
    • G02B6/4436
    • An optical fiber cable capable of withstanding a jump in temperature to 350.degree. C. for a short period of time, the cable comprising:(a) at least one carrier element of a composite of glass fiber and thermosetting resin;(b) an optical fiber support constituted by a grooved rod surrounding the carrier element, or a tube preferably provided with carrier elements in its thickness, or by compact structure fibers, the rod or tube being made of a thermoplastic polymer;(c) optical fibers disposed in the grooves of the rod or inside the tube;(d) a viscous material filling the grooves or the tube around the optical fibers;(e) an envelope constituted by a tape of thermoplastic polymer;wherein the grooved rod or the tube, or the secondary coating of compact structure fibers, is made of cross-linked polyethylene, wherein the viscous material filling the grooves is a silicon resin, and wherein the thermoplastic polymer of the envelope is a polyimide resin. Suitable for use as a guard cable in conjunction with high tension or medium tension electric cables.
    • 一种能够在短时间内耐受温度升高至350℃的光纤电缆,所述电缆包括:(a)玻璃纤维和热固性树脂的复合材料的至少一个载体元件; (b)由围绕载体元件的带槽杆或优选设置有其厚度的载体元件的管或由紧凑的结构纤维构成的光纤支撑件,所述杆或管由热塑性聚合物制成; (c)设置在杆的槽内或管内的光纤; (d)填充光纤周围的槽或管的粘性材料; (e)由热塑性聚合物胶带构成的信封; 其中所述开槽杆或所述管或紧密结构纤维的二次涂层由交联聚乙烯制成,其中填充所述凹槽的所述粘性材料是硅树脂,并且其中所述外壳的热塑性聚合物是聚酰亚胺树脂。 适合用作高强度或中等张力电缆的防护电缆。