MULTILAYER STRUCTURE
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United States of America Patent
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Issued Date -
Oct 9, 2014
app pub date -
Oct 30, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
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Abstract
A multilayer structure (4) of the present invention includes a hollow plate-like body (1) made of a thermoplastic resin, and a fiber sheet (2) and a thermoplastic resin film (3) that are laminated on at least one principal surface of the hollow plate-like body. Even if this multilayer structure (4) is curved, raised wrinkles (6) are not formed or not likely to be formed on the inner surface due to buckling or bending, so that the strength is not likely to be reduced. Thus, the multilayer structure can satisfy both flexural rigidity and flexural strength while maintaining the light weight. The fiber sheet (2) is preferably a multiaxial fiber sheet and/or a woven fabric. The lamination is preferably thermal lamination using an adhesive film interposed between the layers.
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