Provisional bridge of prefabricated elements
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United States of America Patent
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Jun 10, 2003
Grant Date -
N/A
app pub date -
Nov 17, 2000
filing date -
Nov 19, 1999
priority date (Note) -
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Abstract
A metal bridge includes at least two longitudinal girders connected by a plurality of transversal spacers and on which rests a platform. Each longitudinal girder is built by butt-jointing a number of prefabricated metal elements in the form of tubular hollow coffers of polygonal transversal section, each extending over a length compatible with transport and lifting devices. At least certain coffers of two neighboring girders are connected in twos by a plurality of spacers, each composed of a metal tube.
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