Fire door and a fire protection system
AssigneeMarioff Corporation Oy
InventorGoran Sundolm
Life of this patent
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Abstract
The invention relates to a hydraulic fire door, especially a sliding door, which can be selectively opened or closed, and the fire door being provided with an actuator (3) for moving said door from an opened position to a closed position. In order to ensure a particularly fire resistant fire door without the heat resistance of the basic structure thereof having to be particularly good, the actuator (3) is arranged to supply aqueous liquid to the fire door in order to cool it using the aqueous liquid. The invention also relates to a fire protection system.
Claims28
A hydraulic fire door, especially a sliding door, which can be selectively opened or closed, the fire door being provided with an actuator (3, 3′) for moving the door from an opened position to a closed position, wherein the actuator (3, 3′) is arranged to supply aqueous liquid to the fire door in order to cool it using the aqueous liquid.
A fire protection system comprising a fire extinguishing system and a hydraulic fire door, especially a sliding door, which can be selectively opened or closed, the fire door being provided with an actuator (3, 3′) for moving the fire door from an opened position to a closed position, wherein the actuator (3, 3′) is arranged to feed aqueous liquid to the fire door in order to cool it using the aqueous liquid.
Dependencies are inferred from the claim text.