METHODS FOR PRODUCING CONTINUOUS COMPOSITE SANDWICH STRUCTURES BY PULTRUSION

METHODS FOR PRODUCING CONTINUOUS COMPOSITE SANDWICH STRUCTURES BY PULTRUSION

The present relates to a composite sandwich structure comprising a central core made of pultruded lightweight yarns and outer composite skin of pultruded reinforcement fiber rovings. It is provided a method of producing a composite sandwich structure comprising providing pultruded lightweight and co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHTOUROU, HALIM, RICARD, MICHELLE AGNES
Format: Patent
Sprache:eng ; fre
Schlagworte:
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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Beschreibung
Zusammenfassung:The present relates to a composite sandwich structure comprising a central core made of pultruded lightweight yarns and outer composite skin of pultruded reinforcement fiber rovings. It is provided a method of producing a composite sandwich structure comprising providing pultruded lightweight and co-impregnated yarns, and a co-pultruded reinforcement fiber rovings; and guiding the pultruded lightweight yarns to form a central core and the pultruded reinforcement fiber rovings forming an outer composite skin within at least one heated pultrusion die producing a composite sandwich structure.