Bridges inventions 08/06

20060191084 - Two layer diagonal decking for wooden bridges: A deck for wooden bridges that consists of two layers (3 & 4) attached to bridge structural members (1A &1B, 2) using traditional attachment methods (5). Having the first layer fastened to bridge support members in an oblique angle. With the second layer on top of the first layer and...

20060174427 - Gantry with auto-adjusting prestressing: The present invention refers to a gantry for use in the construction process of bridges, viaducts and other structures, said gantry being equipped with a system that automatically adjusts the prestressing of the said gantry's structure in accordance to the external actions being applied on it when loadings occure. The...

20060174428 - Illuminated snowboard railway track: An internally illuminated snowboard track for recreational areas or parks which are operated at night is made up of a continuous elongated transparent rail which is supported a predetermined distance above the ground by a base support member, and a light source extends longitudinally and internally of the rail to...

20060174429 - Aircraft boarding stairs or boarding bridge: The invention is directed to a seal for aircraft boarding stairs or for an aircraft boarding bridge, said seal comprising a bellows (5) that spans a gangway bottom plate (10), said bellows comprising a flexible frame (3) at its one open end and having at its other end a gantry...