Patent ID: 6381792
Filing Date: 2002-05-07
Classification: E01D

Abstract:
A floating bridge comprising a plurality of parallelogram modules and one trapazoid module arranged in an end-to-end series relation along at least one cable extending from a first rigid support at one end of said bridge to a second rigid support at the other end of said bridge, all said modules comprising:an outer envelope consisting of opposed and equal rectangular end pieces, opposed and equal side pieces, and opposed and equal rectangular surface pieces, the edges of said pieces being connected to each other to form a six-sided structure enclosing a volume, the volume being filled with rigid polymer foam; said parallelogram modules having side pieces having the shape of a parallelogram wherein one of the angles between end pieces and surface pieces is acute and the other angle is obtuse; said trapazoid module having side pieces having the shape of a trapezoid wherein the angles between the end pieces and the surface pieces are equal to the angles of the parallelogram modules; wherein said modules are arranged such that an upper end piece from each module overlaps a lower end piece from an adjacent module.