FIELD: fire-fighting equipment.
SUBSTANCE: in cartridge fire barrier with radial cannels, which includes body, made in form of bearing flange and lid, connected to each other by at least three fastening elements, fire barring element of cartridge type is placed between body base and lid, inside it. Fire bar element is made in form of packet of put on perforated cylinder with lid of flat and crimped metal rings, alternating with formation of radial channels and pressed in packet by nut. Packet rings are made from alternating continuous and perforated metal tapes.
EFFECT: increase of fire suppression efficiency.
3 cl, 4 dwg
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RU2472998C2 |
Authors
Dates
2010-10-20—Published
2009-02-13—Filed