Method for manufacturing liquid cartridge and a liquid cartridge

摘要

A method for assembling an ink supply section having a supply valve for allowing an ink supplying opening and an ink containing chamber to communicate with each other by allowing the ink containing chamber, the ink supplying opening and an ink supply needle to be in contact with each other, a seal member for closing the ink supplying opening and the ink containing chamber by allowing the supplying valve to be in contact, and an urging member for urging the supply valve to the seal member, wherein the method includes the steps of inserting the urging member into the ink supply section from the ink supplying opening, mounting the seal member onto the ink supplying opening and allowing the supply valve to be in contact with the seal member by the urging force of the urging member by inserting the supply valve from the insertion opening of the seal member mounted on the supplying opening in the step of mounting.