Sheet for Structural Material Core, Core and Structural Material Comprising Such a Sheet
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United States of America Patent
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Aug 20, 2015
app pub date -
Aug 22, 2013
filing date -
Aug 24, 2012
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Abstract
Sheet for core of structural material sandwich extending substantially along an extension plane and having an upper surface and a lower surface which are opposite along a thickness direction, where the sheet is provided with a plurality of upper and lower surfaces for bonding near the upper and lower surfaces thereof, where the sheet comprises a three-dimensional network of edges separated by connecting surfaces, where each edge is defined by a nonplanar profiled wall delimited by an upper bonding surface, a lower bonding surface and two parallel straight lines connecting said upper and lower bonding surfaces by following an edge direction, and where each connecting surface is delimited by at least three edges.
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