FABRICATION OF COMPOSITE LAMINATES USING TEMPORARILY STITCHED PREFORMS

A composite structure is fabricated using a preform comprising a stack of unidirectional prepreg plies that are stitched together. During curing of the prepreg, the stitches melt and dissolve. Une structure composite est fabriquée au moyen dune préforme comprenant une pile de plis préimprégnés unidi...

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Bibliographic Details
Main Author COXON, BRAD ANDREW
Format Patent
LanguageEnglish
French
Published 11.07.2017
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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 composite structure is fabricated using a preform comprising a stack of unidirectional prepreg plies that are stitched together. During curing of the prepreg, the stitches melt and dissolve. Une structure composite est fabriquée au moyen dune préforme comprenant une pile de plis préimprégnés unidirectionnels qui sont cousus ensemble. Durant le durcissement des plis préimprégnés, les coutures fondent et se dissolvent.
Bibliography:Application Number: CA20152877224