INK CONTAINER, VALVE UNIT FOR INK CONTAINER, INK JET HEAD CARTRIDGE HAVING INK CONTAINER AND INK JET RECORDING APPARATUS

摘要

A liquid container for containing recording liquid to the supplied to a ink jet recording mechanism to which the liquid container is detachably mountable, the liquid container includes a main body; a liquid supply opening formed in the main body and connectable with the ink jet recording mechanism to supply the recording liquid out; wherein the liquid supply opening has an elongated circle configuration.