Patent ID: 8597512
Filing Date: 2013-12-03
Classification: C02F

Abstract:
1. A drinking container for transporting filtered liquid, said drinking container comprising: a main container having an open upper end; a lid closing the open upper end of the main container, the lid defining an inlet for receiving un-filtered liquid and an outlet for dispensing filtered liquid, wherein the inlet is spaced apart from the outlet; an imperforate tubular member defining a filling reservoir disposed entirely within the main container for receiving the un-filtered liquid, wherein the tubular member has open upper and lower ends, and wherein the open upper end is connected to the inlet; a drinking reservoir at least as large as said filling reservoir for holding said filtered liquid, wherein the drinking reservoir is located adjacent the outlet and is defined adjacently between an interior surface of the main container and an exterior surface of the imperforate tubular member; a porous filter connected to the open lower end of the tubular member providing flow communication between said filling reservoir and said drinking reservoir; a plunger assembly comprising a plunger head with a solid face sized complementary to the interior of the tubular member defining said filling reservoir and a shaft extending therefrom to allow said plunger head to be urged into said filling reservoir through the inlet, thereby urging liquid in said filling reservoir through said porous filter into said drinking reservoir, wherein said drinking container is adapted to be sealed and transported with said filtered liquid in said drinking reservoir by retaining said plunger head with said shaft extending therefrom within said filling reservoir and sealing said inlet, and wherein the plunger head and shaft can be extracted from the filling reservoir and inlet to permit filling of the filling reservoir via the inlet.