Large composite structures and a method for production of large composite structures incorporating a resin distribution network
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United States of America Patent
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Aug 10, 2004
Issued Date -
N/A
app pub date -
Mar 7, 1996
filing date -
Jun 7, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Large composite structures are produced using a vacuum assisted resin transfer molding process incorporating a resin distribution network. The resin distribution network is provided by a textured sheet of metal formed as an integral vacuum bag and mold. The texture is formed by upraised portions on one side of the sheet which correspond with depressions on the other side. Valleys between the upraised portions form the resin distribution network. A fiber lay up is placed against the textural sheet with the upraised portions facing the lay up. Main feeder grooves are also formed directly in the sheet. Resin is supplied under vacuum to the main feeder grooves, from where it travels through the valleys of the textured sheet to impregnate the lay up.
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Cited Art Landscape
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