Patent ID: 6919025
Filing Date: 2005-07-19
Classification: C02F,Y02A

Abstract:
1. A container comprising: an upper end with an upper opening; a lower end with a lower threaded opening; a cap threadedly received in said lower threaded opening for closing said lower opening, wherein said cap comprises a recess; a carbon block filter having a central cavity; a filter locking cup defining a central cavity, said cup comprising a top wall with a central opening and a plurality of passages surrounding the central opening; wherein said carbon block is disposed within the central cavity of said cup with said central cavity of said carbon block disposed adjacent said central opening in the top wall of said cup; wherein said cup is disposed within said recess of said cap such that said central opening of said cup faces said upper opening of the container; a drinking tube extending through said upper opening of said container and through said central opening in said top wall of said cup and into said central cavity in said carbon block.