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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Bibliographische Detailangaben
1. Verfasser:	COXON, BRAD ANDREW
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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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Beschreibung
Zusammenfassung:	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.