Method for impregnating a fibrous preform using a seal, and method for manufacturing a matrix reinforced by a fibrous preform

A method for impregnating a fibrous preform by injection or infusion, comprising 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 th...

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Bibliographic Details
Main Author Provost, Maxime Dominique Thierry
Format Patent
LanguageEnglish
Published 01.11.2022
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A method for impregnating a fibrous preform by injection or infusion, comprising 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 thermo-expandable seal in a passage formed between an inside wall of the mold and the fibrous preform, said passage extending substantially along the direction (X) extending between the opposite sides of the mold; -closing the mold; -heating the mold so that the thermo-expandable seal expands and shuts off said passage; and-impregnating the fibrous preform with an impregnation material.
Bibliography:Application Number: US201716317365