Personal drinking water purification tube

Details Personal drinking water purification tube Personal drinking water purification tube

1990-01-16

1991-09-03

Silverman, Stanley

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

With spaced non-particulate separating means

210282, 210289, 210291, 210501, 2105021, B01D 2416

Patent

active

050451952

ABSTRACT:
A portable personal water filtration and purification device which includes an elongate tubular filter housing with layers of mechanical filtration and contains a layer of granular activated charcoal impregnated with silver located between the layers of mechanical filter medium. A mouthpiece limits the rate of flow of water through the filter unit, while making it convenient to draw water through the filter. In one embodiment, a filter unit is attached to a flexible drinking tube and the filter unit is located within a portable water container conveniently carried by a person.

REFERENCES:
patent: Re32089 (1986-03-01), Blatt et al.
patent: 2761833 (1956-09-01), Ward
patent: 2781312 (1957-02-01), Klumb et al.
patent: 2859724 (1959-01-01), McDevitt
patent: 3038610 (1962-06-01), Hetherington
patent: 3327859 (1967-06-01), Pall
patent: 4298475 (1981-11-01), Gartner
patent: 4420590 (1983-12-01), Gartner
patent: 4800018 (1989-01-01), Moser

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