E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
20/38.2, 20/38.3
E04C 2/52 (2006.01) E04B 1/80 (2006.01) E04B 1/90 (2006.01) E04B 1/94 (2006.01) E04C 2/36 (2006.01) F16L 59/00 (2006.01)
Patent
CA 1038127
ABSTRACT A structural element is provided which is pre- ferably made of metal or plastic and which is useful as load-bearing element for various structures, supports, bridges, vehicles, as load-bearing foundation, and for many other purposes. Such a structural element consists of two or more shells or plates which surround at least one cavity. Said cavities are equipped with load-bearing supporting elements, shells, panels, and the like which are associated with pressure plates, preferably honeycomb or grid-like plates. The ribs or ridges of said honeycombs or grids are relatively small, i.e. very narrow. The structural element, furthermore, comprises at least one flexible or movable plate which exerts a pressure onto the elements inserted into the cavity or cavities. Said pressure is equal to or greater than atmospheric pressure and higher than the pressure in the support cavity. The structural element of this invention may also be of tubular shape. It can be provided with fire protecting or extinguishing means.
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