FIREPROOF CURTAIN Russian patent published in 2009 - IPC A62C2/06 A63J1/00 E04B1/94 

FIELD: fire-protection facility.

SUBSTANCE: invention is related to fire-safety equipment and is intended for fire confinement in open technological apertures, apertures of buildings and structures, tunnels, pits, on auditorium scene with the help of mobile fire-protection barrier. Result is achieved by the fact that in fire-protection curtain, which includes mobile fire-protection screen wound on drum, facilities for fixation and transportation of screen, according to solution screen is made as fixed with its one side on drum, and with the second one - on ceiling part of aperture with creation of sagging U - shaped location plate, in which ballast unit is located, being arranged in the form of cylindrical side plugs connected by flexible link and provided with filler located in central cavity of location plate between plugs provided with reserve cavity, at that side edges of curtain are arranged with the possibility to be installed in jaw seals and sealing of isolated aperture, and the latter are provided with inflatable collars connected to system of compressed air supply, at that filler used is sand or other loose material of fireproof type.

EFFECT: improved level of fire safety, reliability and workability of use with reduction of design complexity, increased universality of application for closure of different types of apertures, serviceability at different stages and types of fires.

5 cl, 5 dwg