B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/90 (2006.01)
Patent
CA 2683047
The invention concerns a calibrator to be used for the production of extruded hollow thermoplastic profiles (1) which mainly have a rectangular cross-section, which calibrator has a stationary framework (7) which supports a large number of lamellar calibrator plates (S) which are arranged at a distance from each other in such a way that together they form a channel (K) that goes through the calibrator, the cross-section of which channel determines the outer shape of the thermoplastic profile (1) to be manufactured. According to the invention at least one of the walls of the channel (K) is delimited by a moveable part (8; 9) of the calibrator plate (S), which part is adjustable in a perpendicular direction to the channel, in order to adapt the calibrator (4) to thermoplastic profiles (1) which have different height/width ratios.
L'invention concerne un dispositif d'étalonnage à utiliser pour la production de profilés thermoplastiques creux extrudés (1) qui ont principalement une section transversale rectangulaire, lequel dispositif d'étalonnage a un cadre immobile (7) qui supporte un grand nombre de plaques d'étalonnage lamellaires (S) disposées à distance les unes des autres de manière qu'elles forment ensemble un canal (K) qui s'étend à travers le dispositif d'étalonnage, la section transversale de ce canal déterminant la forme externe du profilé thermoplastique (1) à fabriquer. Selon l'invention, au moins l'une des parois du canal (K) est délimitée par une partie mobile (8; 9) de la plaque d'étalonnage (S), laquelle partie est réglable dans une direction perpendiculaire au canal, afin d'adapter le dispositif d'étalonnage (4) à des profilés thermoplastiques (1) qui ont différents rapports hauteur/largeur.
Mccarthy Tetrault Llp
Oy Kwh Pipe Ab
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