Closed hybrid structure and method
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United States of America Patent
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Aug 8, 2017
Grant Date -
Dec 25, 2008
app pub date -
Jun 22, 2007
filing date -
Jun 22, 2007
priority date (Note) -
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Abstract
Various hybrid structures and methods of making the hybrid structures are provided. In one embodiment, a hybrid structure includes a backbone member of a first material composition and a secondary member of a second material composition different than the backbone member. The backbone member includes at least one closed portion along the length of the backbone member having a cross-section which varies along the length of the backbone, and the secondary member is disposed about at least a portion of the backbone member. In another embodiment, the secondary member extends about a portion of the external surface of the backbone member, through an opening of the backbone member and to the interior of the backbone member to interlock with the backbone member.
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