Method for impregnating a fibrous preform using a seal, and a method for manufacturing a matrix reinforced by a fibrous preform
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United States of America Patent
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Oct 22, 2024
Grant Date -
Aug 1, 2019
app pub date -
Jul 13, 2017
filing date -
Jul 13, 2016
priority date (Note) -
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Abstract
A method for impregnating a fibrous preform by injection or infusion, the method including the steps of providing a mold having at least two portions, said mold presenting an inlet orifice and a vent orifice placed on opposite sides of the mold; placing a fibrous preform in a portion of the mold; placing a seal in a passage formed between an inside wall of the mold and the fibrous preform, said passage extending substantially along the direction extending between the opposite sides of the mold; closing the mold so that the two portions of the mold co-operate with the seal in such a manner as to shut off said passage; and impregnating the fibrous preform with an impregnation material.
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