Patent ID: 8591197
Filing Date: 2013-11-26
Classification: B29C,B29D,B29L,B64C

Abstract:
1. A method of fabricating a rotorcraft blade provided with a rigid attachment filler ( 1 ) and with a spar ( 40 ) that extends along the span of the blade from a root ( 51 ) of the blade to a free end ( 52 ) of the blade, said attachment filler ( 1 ) having top, bottom, front, rear, left side, and right side faces ( 2 , 3 , 4 , 5 , 7 , and 6 ), wherein said spar ( 40 ) includes a succession of fiber layers ( 31 , 32 , 33 ) that hold said attachment filler ( 1 ) captive at the root ( 51 ) of said blade, said spar ( 40 ) being secured to said top, bottom, front, rear, and left side faces ( 2 , 3 , 4 , 5 and 7 ) of said attachment filler ( 1 ), the method comprising the following steps in particular and in succession: a) securing a first support shaft ( b) placing fibers around said attachment filler ( c) removing said first shaft (