METHOD OF PRODUCING ARTICLES BY MEANS OF ROTATIONAL MOULDING

The invention relates to a method of producing polyamide articles by means of rotational moulding and to the articles thus obtained. The inventive method includes a step in which a polyamide-based powder is introduced into a mould for rotational moulding. The articles obtained by means of rotational...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GUILLOT, GERARD, LAPIERRE, CHRISTOPHE, CONTARDI, MARIA-ROSA, THERBY, JEROME
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 invention relates to a method of producing polyamide articles by means of rotational moulding and to the articles thus obtained. The inventive method includes a step in which a polyamide-based powder is introduced into a mould for rotational moulding. The articles obtained by means of rotational moulding can be hollow seamless pieces such as, for example: basins, troughs, tanks, cisterns, cases, boxes, vats, bumpers, seats and car body elements. La présente invention concerne un procédé de fabrication d'articles en polyamide par rotomoulage ainsi que des articles réalisés par ce procédé. Le procédé selon l'invention comprend notamment une étape dans laquelle on introduit, dans un moule pour rotomoulage, une poudre à base de polyamide. Les articles obtenus par rotomoulage peuvent être des pièces creuses sans soudures, tels que par exemple les articles choisis dans le groupe comprenant : les réservoirs, bacs, ballons, citernes, caissons, boites, cuves, pare-chocs, sièges, et pièces de carrosserie.