Filtering device and replaceable filter cartridge

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 63/02 (2006.01) B01D 65/00 (2006.01)

Patent

CA 2532143

A filtering device having a filter housing is described, which has a replaceable filter cartridge which can be inserted into the filter housing and which contains a filter element, particularly in the form of a bundle of capillary or hollow fiber membranes. At the ends of the cartridge the filter element is embedded in a sealing compound of the end piece, and the peripheral surface of the end piece is in the form of a sealing face and carries at least one sealing element. The peripheral surface of the end piece has a retaining structure, preferably integrally molded thereon so as to cooperate with said retaining device, and said retaining device and said retaining structure preferably interengage slackly to allow for movement of the filter cartridge in at least one direction.

L'invention concerne un dispositif de filtration comportant une corps de filtre, dans lequel une cartouche filtrante peut être insérée, cette cartouche contenant un élément filtrant se présentant, en particulier, sous la forme d'un faisceau de membranes capillaires ou en fibre creuse. Aux extrémités de la cartouche, l'élément filtrant est incorporé dans un composé de scellement de la pièce d'extrémité, et la surface périphérique de la pièce d'extrémité se présente sous la forme d'une face de scellement et porte au moins un élément d'étanchéité. La surface périphérique de la pièce d'extrémité comporte une structure de retenue, de préférence moulée de façon à ne former qu'une seule pièce avec ladite pièce d'extrémité pour coopérer avec un dispositif de retenue, et ledit dispositif de retenue et ladite structure de retenue sont, de préférence, engagés mutuellement sans serrage pour permettre le déplacement de la cartouche filtrante dans au moins un sens.

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