METHOD FOR PRODUCING A PROTECTIVE REINFORCEMENT FOR A BLADE (P) HAVING A CURVED LEADING EDGE OR TRAILING EDGE
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United States of America Patent
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Sep 13, 2018
app pub date -
Sep 10, 2015
filing date -
Sep 10, 2015
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Abstract
The invention proposes a method for producing a protective reinforcement for the leading edge (BA) or trailing edge of a blade (P), the leading edge (BA) or trailing edge being curved, the method comprising steps of flattening (102) a hollow tube (1) so as to form at least one fold line (6) extending along the tube (1), opening (104) the flattened tube (1) by cutting the tube (1) along a cutting line (8) opposite the fold line (6) with respect to the tube (1), so as to form two flanks (16, 18) linked at the fold line (6) and intended to be mounted on the pressure side and the suction side of the blade (P), the method being characterised by a preliminary step (100) of bending the hollow tube (1) carried out before the flattening (102) and adapted such that the fold line (6) after flattening (102) is curved and substantially matches the curved leading edge (BA) of the blade (P).
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