Patent ID: 7299956

Claim:
A closure for a bottle comprising: a body having a feed cylinder with an open feed end and a wall located radially outwardly of the feed cylinder; a sealing cap in communication with the open feed end of the body and movable between an open position and a sealed position; a biasing member having opposed ends, one end of the biasing member being attached to the sealing cap and the other end of the biasing member being secured to the wall of the body to move the sealing cap between the sealed position, wherein the sealing cap seals the open feed end of the feed cylinder, and the open position, wherein the open feed end of the feed cylinder is unobstructed to allow water to flow through the open end of the feed cylinder when the bottle is placed on a water fountain spike and to reseal the feed cylinder when the bottle is removed, wherein the sealing cap is biased towards the sealing position by the biasing member.