Patent ID: 6136188
Filing Date: 2000-10-24
Classification: B01D,C02F

Abstract:
In combination:a bottle with an interior and an open upper end;a cap removably mounted on the open upper end of the bottle, the cap comprising:a cap portion having a recess for receiving the open upper end of the bottle, the cap portion havingan extendable spout mounted on the cap portion for extending upwardly from the cap portion, anda conduit mounted on the cap portion in communication with the spout, the spout extending out of the recess of the cap portion and into the interior of the bottle, the conduit having an open lower end and a lumen with a filtering portion, the filtering portion including an upper microscreen disposed in the lumen, an upper layer of foam disposed below the upper microscreen in the lumen, a filtering cartridge disposed below the upper layer of foam in the lumen, a lower layer of foam disposed below the filtering cartridge in the lumen, and a lower microscreen disposed below the lower layer of foam in the lumen; andan air pump assembly including an air pump in communication with the interior of the bottle, a check valve, and an air flow valve in communication with the air pump;wherein the air pump assembly is mounted on the bottle;wherein the air pump assembly is mounted on an exterior surface of a side wall of the bottle for permitting the squeezing of the air pump by a single hand of a user gripping the side wall of the bottle;wherein a compressible foam sleeve is wrapped about the bottle and substantially surrounds a portion of the air pump assembly for securing the air pump assembly against the exterior surface of the side wall of the bottle.