Extrusion device

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 2/20 (2006.01) B29B 9/06 (2006.01) B30B 11/22 (2006.01)

Patent

CA 2312917

The invention relates to an extrusion device, particularly an extrusion device for thermoplastic or dough-like masses or highly tenacious melts, and to the use of said device. The extrusion device has a housing (11), at least one conveyor worm (12) arranged in a housing and an outlet (20) disposed on the front face of the housing (11) close to the end of each conveyor screw which is furthest away from the drive end. At least one stripping member (21) is arranged in between the end (14) of each conveyor screw (12) furthest away from the drive end and the outlet (20). The device is particularly suitable for producing granulates, preferably those containing active substances.

L'invention concerne un dispositif d'extrusion, en particulier un dispositif d'extrusion pour matières thermoplastiques ou pâteuses, ou bien pour masses en fusion de haute ténacité. L'invention concerne également l'utilisation d'un tel dispositif. Le dispositif d'extrusion présenté comprend un corps (11), au moins une vis transporteuse (12) disposée dans ledit corps, et une ouverture de sortie (20) se trouvant sur le côté facial du corps (11), à proximité de l'extrémité, éloignée de l'entraînement, de chaque vis transporteuse (12). Entre l'extrémité (14), éloignée de l'entraînement, de chaque vis transporteuse (12) et l'ouverture de sortie (20) se trouve au moins un organe de raclage (21) qui passe sur ladite ouverture. Le dispositif peut, en particulier, être utilisé pour la production de granulés, de préférence de granulés contenant un principe actif.

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