Structural sandwich plate members
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United States of America Patent
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Issued Date -
Sep 15, 2005
app pub date -
Dec 9, 2004
filing date -
May 29, 2002
priority date (Note) -
Abandoned
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Abstract
A structural sandwich plate member comprises first and second outer plates and a core material of plastics or polymer material. A plurality of lightweight forms are disposed between the outer plates so that the core material forms ribs extending in two substantially orthogonal directions. The lightweight forms may be hollow or solid and manufactured out of foam, plastics or expanded polystyrene. The structural sandwich plate member is preferably formed by injecting the plastics or polymer core material into a closed cavity formed between the outer plates and in which the lightweight forms have been preplaced.
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