METHOD AND EQUIPMENT FOR PRODUCING A POLYPROPYLENE THREAD

A method for producing a polypropylene thread (10) using a drawing system (1) is described, said drawing system (1) comprising at least two drawing towers (2, 7) associated with at least one heating element (4), wherein the method for producing a polypropylene thread comprises the steps of: heating...

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Bibliographische Detailangaben
Hauptverfasser:	CERQUEIRA JORDÃO BULHÕES, Carolina, PENAQUIONI, André
Format:	Patent
Sprache:	eng ; fre ; por
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE LIME, MAGNESIA MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES REFRACTORIES SLAG SPINNING SPINNING OR TWISTING TEXTILES TREATMENT OF NATURAL STONE WARPING OR BEAMING YARNS
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Beschreibung
Zusammenfassung:	A method for producing a polypropylene thread (10) using a drawing system (1) is described, said drawing system (1) comprising at least two drawing towers (2, 7) associated with at least one heating element (4), wherein the method for producing a polypropylene thread comprises the steps of: heating the polypropylene thread (10) prior to introducing it into the heating element (4), introducing the polypropylene thread (10) into the heating element (4), and cooling the polypropylene thread (10). L'invention concerne un procédé de production d'un fil de polypropylène (10) au moyen d'un système d'étirage (1), le système d'étirage (1) comprenant au moins deux tours d'étirage (2, 7) associées à au moins un élément chauffant (4), le procédé de production de fil de polypropylène comprenant les étapes suivantes : chauffage du fil de polypropylène (10) préalablement à son introduction dans l'élément chauffant (4), introduction du fil de propylène (10) dans l'élément chauffant (4) et refroidissement du fil de polypropylène (10). Descreve-se um método de produção de um fio de polipro-pileno (10) através de um sistema de estiro (1), o sistema de estiro (1) compreendendo ao menos duas torres de estiro (2,7) associadas a ao menos um elemento aquecedor (4), em que o método de produção de fio de polipropileno compreende as etapas de: aquecer o fio de polipropileno (10) previamente à sua introdução no elemento aquecedor (4), introduzir o fio de polipropileno (10) no elemento aquecedor (4) e resfriar o fio de polipropileno (10).