Spindle, in particular extrusion spindle, composed of segments

B - Operations – Transporting – 29 – C

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Details

B29C 47/60 (2006.01) B30B 11/24 (2006.01)

Patent

CA 2207685

In a device for thermal, mechanical, chemical and/or physical treatment of a product in an inside space (30) of a casing (28) using at least one rotary extrusion spindle (1) which consists of individual segments (2, 3, 4) joined together by screw bolts (9), the screw bolts (9) pass through bore sections (14, 15) in the segments (2, 3, 4) and are set in threaded bores (11), and a jacketing surface (7) of the extrusion spindle (1) is covered with screw threads (8). Adjoining the threaded bore (11) and the bore section (14, 15) towards the next adjacent segment (2, 4 or 3) is a containment space (12, 12.1, 12.2, 12.3) which holds a guide bush (13, 13.1) through which the screw bolt (9) is inserted.

Dans un dispositif pour le traitement thermique, mécanique, chimique et/ou physique d'un produit dans un espace intérieur (30) d'un carter (28) au moyen d'au moins un arbre d'extrudeuse rotatif constitué de segments individuels (2, 3, 4) reliés entre eux par des boulons filetés (9), ces derniers passent par des sections de perçage (14, 15) ménagées dans les segments (2, 3, 4) et sont insérés dans des perçages filetés (11), et une surface d'enveloppe (7) de l'arbre d'extrudeuse (1) est garnie de filets de vis (8). Un espace de réception (12, 12.1, 12.2, 12.3) abritant une douille de guidage (13, 13.1), à travers laquelle est inséré le boulon fileté (9), est adjacent au perçage fileté (11) et à la section de perçage (14, 15) en direction du segment voisin respectif (2, 4 ou 3).

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