Filter device for fluids, especially thermoplastic fluids

Details Filter device for fluids, especially thermoplastic fluids Filter device for fluids, especially thermoplastic fluids

B - Operations, Transporting

29

C

B29C 47/68 (2006.01) B01D 29/03 (2006.01) B01D 29/54 (2006.01)

Patent

CA 2154655

A filter device for molten thermoplastics has a casing in which two filter plates are arranged parallel to each other and spaced apart. The melt to be filtered is taken to these filter plates via an inlet channel. The impurities collected on the inlet side of the filter plates are continuously removed by a doctor having a plurality of doctor blades separately arranged along curved paths so as to force the impurities to the centre of the filter plates, where the impurities enter an outlet channel in which they are removed by means of at least one worm.

Un dispositif de filtrage pour thermoplastiques fluides a un boîtier dans lequel deux plaques filtrantes sont placées à distance l'une de l'autre et parallèles. La matière fondue à filtrer est amenée à ces plaques filtrantes par un canal d'entrée. Les impuretés recueillies du côté entrée des plaques filtrantes sont enlevées de façon continue par une racle ayant une pluralité de lames disposées séparément le long de tracés incurvés de manière à diriger les impuretés au centre des plaques filtrantes où elles entrent dans un canal de sortie dans lequel elles sont enlevées au moyen d'au moins une vis.

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