Laminated cassette device and methods for making same

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 63/08 (2006.01) B01D 65/00 (2006.01)

Patent

CA 2619793

A filtration cassette is described. The filtration cassette (10) can include one or more filtrate channel spacers (20) and one or more feed channel (30) spacers. Each of the feed channel spacers (30) and each of the filtrate channel spacers (20) define an open interior volume bounded by an inner perimeter and include at least one feed port and at least one filtrate port. The filtrate channel spacers and the feed channel spacers are arranged such that the feed ports and the filtrate ports are positioned in respective alignment. The filtration cassette further includes one or more membranes (40) disposed between the filtrate channel spacers and the feed channel spacers, and one or more retaining members at either end of the filtration cassette. A thin film of adhesive binds together the filtrate channel spacers, the feed channel spacers, and the membranes.

La présente invention concerne une cassette de filtration qui comprend au moins un espaceur de canal de filtrat et au moins un espaceur de canal d'alimentation. Chacun des espaceurs de canal d'alimentation et chacun des espaceurs de canal de filtrat définissent un volume intérieur ouvert limité par un périmètre intérieur et comprennent au moins un orifice d'alimentation et au moins un orifice de filtrat. Les espaceurs de canal de filtrat et les espaceurs de canal d'alimentation sont disposés de sorte que les orifices d'alimentation et les orifices de filtrat soient positionnés de manière alignée. La cassette de filtration comprend également au moins une membrane située entre les espaceurs de canal de filtrat et les espaceurs de canal d'alimentation et un ou plusieurs éléments de retenue situés à une des extrémités de la cassette de filtration. Un film mince d'adhésif relie ensemble les espaceurs de canal de filtrat, les espaceurs de canal d'alimentation et les membranes.

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