Quick change filter cartridge and head therefor

Details Quick change filter cartridge and head therefor Quick change filter cartridge and head therefor

B - Operations, Transporting

01

D

182/65

B01D 27/02 (2006.01) B01D 24/10 (2006.01) B01D 27/08 (2006.01) B01D 29/01 (2006.01) B01D 35/12 (2006.01) B01D 61/08 (2006.01) B01D 63/10 (2006.01) B01D 65/00 (2006.01) C02F 1/00 (2006.01)

Patent

CA 1330312

-35- QUICK-CHANGE FILTER CARTRIDGE AND HEAD THEREFOR ABSTRACT OF THE DISCLOSURE A filtering device includes a head intended to be permanently installed in a fluid dispensing machine and disposable canister therefor. A central chamber is formed in the head which chamber is in communication with an inlet port and outlet port for receiving an unfiltered liquid and supplying a filtered liquid, respectively. The disposable canister has a flask shaped main body with a flat top and a neck of substantially uniform diameter on the top. The neck first in the central chamber. A tune extending through the neck defines an annular clearance between the tube and the interior of the neck which annular clearance is in fluid communication with the inlet port. The opening into the tube located at the top of the neck is in fluid communication with the outlet port in the head. A pair of tab receptacle n the head and complementary pair of tabs on the canister are engageable with one another by 1/4 rotation of the canister to lock the canister to the head.

565259

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