COMPOSITE ARTICLE AND A METHOD OF FORMING A COMPOSITE ARTICLE
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United States of America Patent
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Issued Date -
May 29, 2014
app pub date -
Jan 21, 2011
filing date -
Jan 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a composite article 801, wherein the article has a longitudinal direction L and a transversal direction T, the article 80 comprises a stack of plies wherein one ply is a bottom ply and one ply is a top ply, most of or all of the plies comprise fibres, and the article comprises a plurality of plies having fibres substantially in the orthogonal direction 810 to the longitudinal direction L of the article 801 and the stack further comprises a plurality of plies having fibres substantially in the same direction 811 as the longitudinally direction L of the article 801 and/or a plurality of plies having fibres in the diagonal direction (812, 813, 815, 816, 817, 818) of the longitudinal direction (L) of the article (801), wherein at least one of the ply/plies having fibres substantially in the orthogonal direction 810 to the longitudinal direction L of the article 801 comprise fibres that are stiffer than the fibres in the other plies which have less stiff fibres. The present invention also relates to a method of forming an article on a tool, the tool having one longitudinal direction L and one transversal direction T.
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