Novel indoor armored cable
The utility model belongs to the technical field of cables, and particularly relates to a novel indoor armored cable. Optical fibers, water blocking yarns and an aramid fiber reinforcing part are bunched and extruded with a loose sleeve so as to form a cable core, a water blocking tape is lapped out...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the technical field of cables, and particularly relates to a novel indoor armored cable. Optical fibers, water blocking yarns and an aramid fiber reinforcing part are bunched and extruded with a loose sleeve so as to form a cable core, a water blocking tape is lapped outside the cable core, and a halogen-free fire-retardant inner sheath layer, an armored layer and a halogen-free fire-retardant outer sheath layer are sequentially covered outside the water blocking tape, so that the indoor armored cable is formed. The armored layer is formed by a spiral inner-locked shaped steel strip in an interlocking and lapping manner, and the halogen-free fire-retardant inner sheath layer and the halogen-free fire-retardant outer sheath layer are made of low-smoke halogen-free fire-retardant sleeve materials, so that pressure and tensile resistant capacities of the cable are strengthened, the cable is fine in flexibility and fire retardant property, capable of bearing treading, squeezing and dr |
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