Raised and recessed sheet material, and vehicle panel and laminated structure using the same
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United States of America Patent
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May 6, 2014
Grant Date -
Oct 31, 2013
app pub date -
Jun 27, 2013
filing date -
Jan 17, 2011
priority date (Note) -
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Abstract
A raised and recessed sheet material having extremely high stiffness, and useful vehicle panel and laminated structure using the same. The surface of the sheet is formed by a plurality of squares arranged in two mutually perpendicular directions, and has a raised and recessed pattern. A basic configuration A, where first regions M and a Z-shaped second region N are formed in the square, and basic configurations B to D derived from the basic configuration A are butted together at their peripheral edges such that first regions M having those peripheral edges are butted together and the second regions N having those peripheral edges are butted together. The raised and recessed pattern is formed by upwardly raising the first regions M and downwardly recessing the second regions N, or upwardly raising or downwardly recessing either one or both of the first and second regions M and N.
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