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Non-round filler rods and tubes with superabsorbent water swellable material for large cables
Non-round filler rods and tubes with superabsorbent water swellable material for large cables
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机译:具有超吸收水膨胀性材料的非圆形填充棒和管,用于大型电缆
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摘要
A fiber optic cable having a plurality of buffer tubes and filler rods or filler tubes disposed between the inner surface of the outer jacket of the fiber optic cable and the buffer tubes. The buffer tubes contain a plurality of optical fibers. The filler rods have a non-round core surrounded by a suberabsorbant water swellable coating to provide protection for the optical fibers against the penetration of water within the cable. The filler rods and filler tubes are made of a solid or porous or foam-type material expanding in the presence of water.
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