Method for making composite parts having at least one curved area
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United States of America Patent
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Jul 11, 2017
Issued Date -
N/A
app pub date -
Jun 10, 2008
filing date -
Jun 12, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for making a composite part including an assembly of superimposed webs of reinforcement threads imbedded at least partially in a polymer matrix, said part including at least one curved area and the method comprising steps of draping or stacking plies of a composite material, characterized in that, in at least one area adjacent to a curved area, at least one draping or stacking step is carried out with a ply of composite material, that comprises a web, or twisted thread web, including at least one twisted reinforcement thread in order to at least compensate the length differences of the extreme paths of the thread on either side of the width as measured in a direction parallel to the surface of the web; the invention also relates to the composite materials thus obtained.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B62D:MOTOR VEHICLES; TRAILERS
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- D02G:CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR T....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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