Patent ID: 7500738

Claim:
An ink cartridge comprising: a container including an ink accommodating chamber in which ink is accommodated; an ink supply hole which is formed in the container so as to be open in an outer surface of the container and which communicates with the ink accommodating chamber; a plurality of atmosphere communication holes which are formed in the container so as to be open in the outer surface of the container and each of which communicates with the ink accommodating chamber; and a strip member which is removably stuck to the outer surface of the container to seal the ink supply hole and the plurality of atmosphere communication holes such that the ink supply hole is sealed by a longitudinally intermediate portion of the strip member and such that at least one of the plurality of atmosphere communication holes is sealed by a portion of the strip member which extends from the longitudinally intermediate portion toward one of longitudinally opposite ends thereof while at least one of the plurality of atmosphere communication holes is sealed by a portion of the strip member which extends from the longitudinally intermediate portion toward the other of the longitudinally opposite ends, wherein each of the plurality of atmosphere communication holes is open to an atmosphere after removal of the strip member, wherein the ink supply hole and the plurality of atmosphere communication holes are formed through a thickness of a side wall of the container which is located on one side of the container, and the strip member is stuck to an outer surface of the side wall which is a part of the outer surface of the container, and wherein the plurality of atmosphere communication holes comprise two atmosphere communication holes, the ink supply hole and the two atmosphere communication holes being arranged in a row in the order of one of the two atmosphere communication holes, the ink supply hole, and the other of the two atmosphere communication holes.