Patent ID: 6811036
Filing Date: 2004-11-02
Classification: A47G,C02F

Abstract:
A drinking straw consisting of:a) a tubular structure with a wall having a first open end and a second open end; b) a fibrous filter centrally tubed between said first open end and said second open end within said tubular structure; c) said fibrous filter engaging said wall whereby a suction force can not dislodge said fibrous filter; d) said fibrous filter being made of a fibrous material whereby a fluid under a suction force will pass therethrough; e) said fibrous filter having a density for the removal of particle matter from said fluid and consists of a matted fibrous material made of a fluid impermeable substance; f) a filter consisting of carbon material adjacent to and in engagement with said fibrous filter on an upstream side thereof for reducing chlorine, lead, mercury, asbestos, lindane/pesticides and atrazine/herbicides to improve taste and odors; g) a biological filter adjacent to and in engagement with said fibrous filter on a downstream side thereof for removing microbiological cysts of ctytosporidium and giardia; and h) all of said filters being grouped together and forming an unfiltered beverage chamber on the upstream side of said filters and a filtered beverage chamber on the downstream side of said filters.