Patent attributes
A liquid container has an air open passage for causing a liquid chamber to communicate with an outside and introducing outside air into the liquid chamber as liquid in the liquid chamber is consumed, and an air chamber provided in a portion of the air open passage and capable of storing the liquid entering the air open passage. The air open passage includes a lower open passage having one end opened to the liquid chamber at a position close to an internal surface of a bottom wall of the liquid chamber and the other end opened to the air chamber at a position close to an internal surface of a bottom wall of the air chamber, and an upper open passage having one end opened to the air chamber at a position close to an internal surface of a ceiling wall of the air chamber and the other end capable of being opened to the outside.