FIELD: building, particularly fire doors.
SUBSTANCE: door leaf comprises wooden panel impregnated with fire-resistant material and having outer surfaces provided with fire-resistant coating. The coating includes foil layers and layers made of swelling composition based on liquid glass, inorganic fillers and combustible additives. Each foil layer is perforated to provide contact between swelling composition layers through perforation holes.
EFFECT: increased fire resistance, reduced metal consumption and increased manufacturability.
2 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FIRE-RESISTANT DOOR LEAF | 2018 |
|
RU2693704C1 |
| FIRE DOOR ASSEMBLY | 2005 |
|
RU2299965C2 |
| FIRE DOOR, FIRE DOOR LEAF (VERSIONS) | 2008 |
|
RU2376436C1 |
| FIREPROOF DOOR LEAF | 1998 |
|
RU2158817C2 |
| 0 |
|
SU221934A1 | |
| FIRE DOOR AND FIRE DOOR LATCH | 2004 |
|
RU2270311C2 |
| SYSTEM, METHOD AND DEVICE TO MANUFACTURE FIRE-RESISTANT DOORS | 2007 |
|
RU2428553C2 |
| FIRE- AND EXPLOSION-PROOF DOOR | 2017 |
|
RU2644519C1 |
| FIRE-PROOF BUILDING STRUCTURE AND PROCESS OF ITS MANUFACTURE | 2002 |
|
RU2217570C2 |
| GYPSUM COMPOSITES USED IN FIRE-RESISTANT BUILDING ELEMENTS | 2013 |
|
RU2641872C2 |
