Patent ID: 6142384
Filing Date: 2000-11-07
Classification: A47G,C02F,Y02A

Abstract:
A personal, portable filter device for removing contaminants from liquid to be consumed, comprising:an elongate tubular drinking straw of substantially uniform diameter, having an inlet end adapted to be placed in liquid to be filtered and an outlet end adapted to be placed in the mouth of a person using the filter device;said inlet end being diametrically enlarged and having a relatively short diametrically enlarged inner surface to define an enlarged internal chamber in the inlet end; anda filter received in said internal chamber for filtering contaminants from liquid passing therethrough, said filter comprising a rigid cup-shaped body of filter material having an end wall and a short cylindrical side wall, said side wall being frictionally engaged over its length with said inner surface of the inlet end, and said end wall being substantially flush with the inlet end of the straw, whereby a user can immerse the inlet end of the straw in liquid to be filtered and can apply suction to the other end of the straw to draw the liquid through the strew and filter to remove contaminants from the liquid.