Fibre-reinforced composite moulding and manufacture thereof
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United States of America Patent
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Oct 1, 2013
Grant Date -
Jun 10, 2010
app pub date -
Mar 26, 2008
filing date -
Mar 29, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Method of manufacturing a fiber-reinforced composite molding, the method comprising the steps of: (a) disposing at least one layer of fibrous reinforcing material within a mold; (b) disposing at least one pre-preg layer adjacent to the fibrous reinforcing material, the pre-preg layer comprising fibrous reinforcement at least partially impregnated with uncured first resin material, to form a laminar assembly of the at least one layer of fibrous reinforcing material and the at least one pre-preg layer within the mold; (c) applying a vacuum to the assembly; (d) infusing a flowable uncured second resin material, under the vacuum, into the at least one layer of fibrous reinforcing material; and (e) curing the first and second resin materials at least partially simultaneously to form the fiber-reinforced composite molding which comprises at least one first structural portion formed from the fibrous reinforcement and the cured first resin material bonded to at least one second structural portion formed from the at least one layer of fibrous reinforcing material and the cured second resin material.
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