METHOD FOR PREVENTING SPREAD OF FIRE OF GROUP CABLES

PURPOSE:To prevent spread of fire of cable by arranging such that a thermoplastic adherend for jointing the flange of a water pipe and the flange section of a pin is fused through heat of fire and water flows out of the water pipe. CONSTITUTION:A water tank 4 is arranged above a bundle 1 of cables C...

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1. Verfasser: FUKUTOME SHIGEKI
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To prevent spread of fire of cable by arranging such that a thermoplastic adherend for jointing the flange of a water pipe and the flange section of a pin is fused through heat of fire and water flows out of the water pipe. CONSTITUTION:A water tank 4 is arranged above a bundle 1 of cables C1-Cn and water is led through a water pipe 3 above the bundle 1 of cables, where flange section of a pin 5 is jointed through a thermoplastic adherend to the flange section (a) at the tip of the water pipe 3 so as to stop water 2 with the pin 5. Upon fusion of solder through the heat of fire, the pin 5 is removed and falls down and thereby the water 2 is sprayed over the bundle 1 of cables, thus preventing spread of fire of cable.