Low-cost portable water filter

Details Low-cost portable water filter Low-cost portable water filter

1995-05-19

1998-01-20

Wyse, Thomas G.

Liquid purification or separation

Filter

With movable means to compress medium

2104161, 210478, 210491, B01D 2905, B01D 3920

Patent

active

057097941

ABSTRACT:
A low-cost portable water treatment device having a low-cost replaceable filter. The device includes a housing having an inlet, an outlet and a water filtration chamber. The replaceable filter is disposed in the water filtration chamber and comprises a disk having a compressible peripheral portion. The device includes a mechanism for compressing the peripheral portion to seal the filter and a mechanism for forcing contaminated water through the filter and out the outlet. The device also includes a storage compartment for a spare filter. Methods for manufacturing the low-cost filter and for sealing the filter in the device are disclosed.

REFERENCES:
patent: 4080294 (1978-03-01), Edwards et al.
patent: 4237014 (1980-12-01), Trott
patent: 5106500 (1992-04-01), Hembree et al.
patent: 5268093 (1993-12-01), Hembree et al.
patent: 5470470 (1995-11-01), Leyat
The Fisher Catalog, 93/94, pp. iii, 724-727, 731-736.
Four color photos of Gelman Vented Polycarbonate 47mm Inline Holder shown on p. 724 of above Fisher catalog.
Cole-Parmer Catalog, 1995-1996, pp. ii-iii, 356-357, 362-363.
PUR Product Information Brochure for Water Microfilter, Recovery Engineering, Inc., copyright 1993.
Cross-sectional figure of Water Microfilter shown in above PUR Brochure.
Four color photos of FILOPUR portable water filter.

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