FOLDING FORTIFICATION STRUCTURE Russian patent published in 2012 - IPC E04B1/343 

FIELD: construction.

SUBSTANCE: folding fortification structure comprises a frame of the main room corresponding to container dimensions. The frame is made in the form of a mobile container with two protective-tight doors and inbuilt tambours. The container is reinforced at the ends with two hingedly fixed rotary panels, on top of the coating - with two pairs of folding upper panels. Folding upper panels are hingedly connected to lateral sides. Collapsible support frames are hingedly fixed to the middle part of the container. Frames create two side auxiliary rooms in the working position with rotary and folding panels.

EFFECT: reduction of labour inputs in folding, unfolding of a structure, reduction of time for its preparation for operation, higher protective properties and provides for high capacity.

7 dwg