B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 2/26 (2006.01) B01J 2/20 (2006.01) B29B 9/10 (2006.01)
Patent
CA 2148271
Prior art belt-type droplet-forming equipment uses an outlet slit which is disposed at right angles to the direction of motion of the perforated belt (1) and through which the material can pass into perforations in the belt. The invention proposes that the slit is replaced by several rows of apertures, the rows being disposed next to each other in the direction of motion of the belt and the apertures in adjacent rows being staggered with respect to each other such that the total aperture area over which the perforations pass is constant, irrespective of the path of the perforations. This design makes it possible to reduce the force exerted on the perforated belt by the compound pressed out on to the belt. The device is suitable for use in belt-type droplet-forming equipment.
Les systèmes de formation de gouttelettes connus utilisent une ouverture de sortie oblongue, pratiquée transversalement au sens de marche d'une bande transporteuse perforée (1) et par laquelle le matériau peut passer pour parvenir dans les ouvertures de perforation. Il est prévu de remplacer la fente par plusieurs rangées successives d'ouvertures individuelles pratiquées dans le sens de la marche de la bande et décalées les unes par rapport aux autres, de manière à ce que la surface transversale totale sur laquelle les perforations sont pratiquées soit constante, indépendamment de la trajectoire des ouvertures de perforation. Cette configuration permet de réduire la force que le matériau à exprimer exerce sur la bande perforée. Ce dispositif s'utilise pour des systèmes de formation de gouttelettes de type à bande.
Froeschke Reinhard
Konig Axel
Gowling Lafleur Henderson Llp
Santrade Ltd.
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