| 摘要 |
The invention provides apparatus for preventing flood water from entering a building which comprises a first member (1) for permanent attachement to the walls of the building and adapted to fit around an opening in the building, and a detachable second member (2) adapted to be fixed to said first member, wherein said first member comprises a frame (3, 4, 5) adapted to fit around at least three sides of said opening and provided with first fixing means, and said second member comprises a curved member (10) provided at its circumference with a flange (7, 8, 9) and with second fixing means adapted to engage said first fixing means, and a gasket (10) bonded to said second member around its circumference.
|
