Long-fiber foam composite, automobile door using the long-fiber foam composite, and method for manufacturing the long-fiber foam composite
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United States of America Patent
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app pub date -
Feb 19, 2003
filing date -
Aug 26, 1997
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A long fiber-foam composite material, in which the long fibers are bonded to form a loose but dimensionally stable structure with good recovery properties. The long fibers are only partially bonded by foam particles in the shape of nodal points. The unfoamed or unfoamed foam particles are inserted into the structure when the latter is being formed. The unfoamed foam particles inserted into the structure are foamed by reacting or reactivating a foaming agent previously applied to a binding agent to be foamed. The expansion can freely take place without limiting the volume so that a minimal possible thickness can be obtained by complete expansion or in a predetermined volume having a predetermined thickness, for instance, by expansion in a double wall press or a mold.
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Cited Art Landscape
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