Patent ID: 7722944

Claim:
A piece ( 1 ) manufactured from a stack of composite material fabrics comprising at least two adjacent areas ( 11 , 15 ) of different thickness and a transition area ( 13 ) between both, characterized in that the transition area ( 13 ) is configured with a single slope ( 17 ) and in that the stack structure, from the inner face to the outer face of the piece ( 1 ), comprises: a first section formed by at least two continuous fabrics ( 21 , 21 ′) extending along the three mentioned areas ( 11 , 13 , 15 ); a second section formed by one or more symmetrical and balanced fabric packets ( 23 ) placed among one or more continuous fabrics ( 25 ) extending along the three mentioned areas ( 11 , 13 , 15 ), said fabric packets ( 23 ) extending along the thickest area ( 11 ) and ending in the transition area ( 13 ) such that the latter has a continuous slope ( 17 ); a third section formed by a symmetrical and balanced fabric packet ( 27 ) extending along the three mentioned areas ( 11 , 13 , 15 ) placed among one or more continuous fabrics ( 25 ) extending along the three mentioned areas ( 11 , 13 , 15 ); a fourth section formed by at least two continuous fabrics ( 29 , 29 ′) extending along the three mentioned areas ( 11 , 13 , 15 ).