METHOD FOR DISCONTINUOUSLY PRODUCING MOULDED FIBRE-REINFORCED PLASTIC ARTICLES

For producing moulded fibre-reinforced plastic articles, fibre material in the form of fibre strands, bundles, woven or laid fabrics is impregnated with the heat-curable plastic, transformed into a laminate in web form and, if required, cut to length in strips. A plurality of these laminate strips a...

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Bibliographische Detailangaben
Hauptverfasser:	KREIBIEHL, GUENTER, KASPER, DIETMAR
Format:	Patent
Sprache:	eng ; ger
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:	For producing moulded fibre-reinforced plastic articles, fibre material in the form of fibre strands, bundles, woven or laid fabrics is impregnated with the heat-curable plastic, transformed into a laminate in web form and, if required, cut to length in strips. A plurality of these laminate strips are compressed in a compression mould, forming the moulded article, and cured by appropriate application of heat. For the purpose of reducing the curing time and for improved quality of the moulded articles, before the laminate strips are introduced into the compression mould they are heated in a high-frequency field to a temperature about 0 to about 100 DEG C below the temperature at which crosslinking of the plastic commences.