Device and method for manufacturing wrapped tubes

Details Device and method for manufacturing wrapped tubes Device and method for manufacturing wrapped tubes

B - Operations, Transporting

29

C

B29C 53/58 (2006.01) B29C 47/10 (2006.01) F16L 9/16 (2006.01)

Patent

CA 2548983

In a device and a method for manufacturing wrapped tubes by helically winding up a thermoplastic, preferably strip-shaped plastic profile (2) onto a winding core (1) in an overlapping manner, where a plasticizing aggregate supplies the plastic profile (2) via a profile nozzle (4), it is provided that the plasticizing aggregate is a kneading means (3) supplying a thermoplastic plastic mixed with reinforcing fibers to the winding core (1) via the profile nozzle (4).

L'invention concerne un dispositif et un procédé servant à produire des tubes roulés par enroulement recouvrant hélicoïdal d'un profilé en plastique thermoplastique (2), de préférence en forme de bande, sur un mandrin d'enroulement (1), une unité de plastification fournissant le profilé en plastique (2) au moyen d'une filière (4). Selon l'invention, l'unité de plastification est un dispositif de malaxage (3) qui amène un plastique thermoplastique mélangé à des fibres de renfort au mandrin d'enroulement (1) au moyen de la filière (4).

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