Feeder tube

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 33/20 (2006.01) B65G 65/46 (2006.01)

Patent

CA 2186127

The invention relates to a device relating to a feeder tube, i.e, a conveyor intended for bulk product, in particular a feed-out device, which comprises a cylindrical drum or tube (2) in which there are accomodated inlet openings (8, 18) distributed along the length of the tube, a screw conveyor (3) disposed coaxially with the tube within the tube, means for rotating the tube about its axis, means for rotating the screw conveyor relative to the tube, means for moving the feeder tube in the lateral direction, and activators (9A, 9B, 19) for the bulk product which activators are disposed on the tube in association with the inlet openings and form projections on the outer side of the tube. Each inlet opening, regardless of the direction of rotation of the tube, has at least one portion (10A, 10B, 20A, 20B) which is limited in the direction of rotation by a hole edge (11A, 11B, 21A, 21B) without an activator, but which portion, at the rear end of the said portion, is limited by an activator (9A, 9B, 19).

L'invention concerne un dispositif relatif à un tube d'alimentation, à savoir un convoyeur conçu pour des produits en vrac, en particulier un dispositif d'évacuation comprenant un tambour cylindrique ou tube (2) dans lequel se trouvent des ouvertures d'entrée (8, 18) réparties sur la longueur du tube, une vis transporteuse (3) située coaxialement à l'intérieur du tube, des moyens de rotation du tube autour de son axe, des moyens de rotation de la vis transporteuse par rapport au tube, des moyens de déplacement du tube d'alimentation en direction latérale, ainsi que des moyens d'agitation (9A, 9B, 19) des produits en vrac; lesdits moyens d'agitation sont situés sur le tube, sont associés aux ouvertures d'entrée et forment des saillies sur le côté extérieur dudit tube. Chaque ouverture d'entrée, indépendamment du sens de rotation du tube possède au moins une partie (10A, 10B, 20A, 20B) limitée dans le sens de rotation par le bord d'un orifice (11A, 11B, 21A, 21B) dépourvu de moyen d'agitation mais ladite partie, au niveau de son extrémité arrière, est limitée par un moyen d'agitation (9A, 9B, 19).

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