METHOD FOR MANUFACTURING A BLADE, IN PARTICULAR A COMPOSITE BLADE
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United States of America Patent
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Jan 23, 2025
app pub date -
Nov 23, 2022
filing date -
Nov 23, 2022
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Abstract
A method including the preparation of a spar preform arranged in a first mould, the spar preform including a core and a root; a first injection step of a first thermosetting resin in the spar preform; partial polymerization of the first resin in the spar preform until partial vitrification of the first thermosetting resin; positioning a body preform around the core of the spar preform; injection of a second resin into the blade body preform; and complete polymerization of the first and second resin.
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