Pultrusion apparatus including a molding die

Pultrusion apparatus and tongue-in-groove die is provided for the fabrication of thermoplastic tape containing long fiber reinforcement. The tongue-in-groove die includes a first mold half having a groove and a pair of protruding wall portions which form sidewalls for the groove, and a second mold h...

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Bibliographische Detailangaben
Hauptverfasser:	MILLS, STUART D
Format:	Patent
Sprache:	eng
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:	Pultrusion apparatus and tongue-in-groove die is provided for the fabrication of thermoplastic tape containing long fiber reinforcement. The tongue-in-groove die includes a first mold half having a groove and a pair of protruding wall portions which form sidewalls for the groove, and a second mold half having a tongue to match the groove. The second mold half is juxtaposed with respect to the first mold half so as to define a wedge-shaped passage between the tongue and the groove which has an inlet and an outlet and which converges from the inlet to the outlet. The tongue-in-groove die further includes a mechanism for adjusting the inlet and outlet clearances between the tongue and groove at the inlet and outlet respectively.