Core of Sheet Structural Material and Assembly Process
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
May 23, 2012
filing date -
Jun 23, 2011
priority date (Note) -
Abandoned
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Abstract
A core of sandwich structural material comprising an assembly of several sheets comprising a first sheet and a second sheet that are provided on one of the faces thereof with of periodically distributed polygonal-based pyramid frustums, the superposition of these sheets in the thickness direction forming a three-dimensional network of hollow tubular channels which extend from one face of one sheet to one face of another sheet along a channel direction, and that are each defined by a peripheral wall, this peripheral wall being provided both by the first sheet and by the second sheet.
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