System for producing chopped roving thermoplastic composite sheets

A chopped roving thermoplastic composite sheet includes a web or mesh of chopped rovings and a thermoplastic resin that fully saturates the web or mesh of chopped rovings. The web or mesh of chopped rovings is not mechanically bonded and does not include a binder that bonds or adheres the chopped ro...

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Bibliographische Detailangaben
Hauptverfasser:	Asrar, Jawed, Zhang, Mingfu
Format:	Patent
Sprache:	eng
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 chopped roving thermoplastic composite sheet includes a web or mesh of chopped rovings and a thermoplastic resin that fully saturates the web or mesh of chopped rovings. The web or mesh of chopped rovings is not mechanically bonded and does not include a binder that bonds or adheres the chopped rovings together other than thermoplastic resin. As such, the thermoplastic resin and the web or mesh of chopped rovings are able to flow and conform to a mold or cavity when the chopped roving thermoplastic composite sheet is pressed within the mold or cavity and when the chopped roving thermoplastic composite sheet is heated to above the melting temperature of the thermoplastic resin.