Patent ID: 7699088

Claim:
Wall with a set of doors for closing off a bay ( 3 ) in this wall ( 4 ), comprising a first flexible door ( 1 ) and a second door ( 2 ) having at least a rigid bottom edge ( 17 ), each of these doors being movable between an open position and a closed position through, respectively, an upward movement and a downward movement, a slit ( 31 ) being provided between the wall ( 4 ) and the rigid bottom edge ( 17 ) of the second door ( 2 ) as this second door is moved upwards into the open position, the flexible door ( 1 ) at least partially being arranged between said second door ( 2 ) and said wall ( 4 ), wherein when the second door ( 2 ) is in the open position the flexible door ( 1 ) is movable through the slit ( 3 ) between the open position and the closed position of the flexible door, Wherein when the second door ( 2 ) is in the open position and the flexible door ( 1 ) is in its closed position the flexible door ( 1 ) is in contact with the wall ( 4 ) above the bay ( 3 ) to form a seal between the wall ( 4 ) and the flexible door ( 1 ), and the flexible door ( 1 ) is supported against the bottom edge ( 17 ) of the second door ( 2 ) in order to maintain said contact and seal.