Portable water purifying and drinking device

Details Portable water purifying and drinking device Portable water purifying and drinking device

1994-12-14

1996-05-21

McCarthy, Neil

Liquid purification or separation

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

With spaced non-particulate separating means

210282, 210284, 210694, 210753, 210764, B01D 2408

Patent

active

055186130

ABSTRACT:
A personal portable water purifying and drinking device. The device includes a conduit having a chemical purification stage positioned at one end of the conduit, and a filtration stage positioned at the opposite end of the conduit. The chemical purification stage includes a chemical purifying agent and a residence chamber to neutralize bacteria and viruses. The filtration stage includes a filter and a cleaning medium, the filter having a diameter larger than the diameter of the conduit, and designed to remove exceedingly small microorganisms, such as potentially harmful parasites 1-2 .mu.m in size, from the water to be filtered. A mouthpiece is mounted after the filtration stage of the conduit to draw fluid through the device and into the user's mouth.

REFERENCES:
patent: 4298475 (1981-11-01), Gartner
patent: 4366068 (1982-12-01), Ostreicher et al.
patent: 4769143 (1988-09-01), Deutsch et al.
patent: 4859340 (1989-08-01), Hou et al.
patent: 4894154 (1990-01-01), Roz et al.
patent: 4995976 (1991-02-01), Vermes et al.
patent: 5407573 (1995-04-01), Hughes

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