Multilayer net for draining fluids, particularly for geotechnical use
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United States of America Patent
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Issued Date -
Sep 20, 2007
app pub date -
Nov 15, 2006
filing date -
Mar 20, 2006
priority date (Note) -
Abandoned
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Abstract
A multilayer net for draining fluids, particularly for geotechnical use, comprising an intermediate layer, constituted by a plurality of intermediate and substantially mutually parallel filaments, and first and second outer layers, which are constituted by first and second outer filaments which are inclined with respect to the intermediate filaments, the intermediate filaments forming an angle other than zero with respect to the main direction of extrusion of the net from an extruder.
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