INK CARTRIDGE AND METHOD OF INK INJECTION THEREINTO

摘要

PURPOSE: An ink cartridge and an ink injection method are provided to prevent the bubbles in supplied ink and to secure the stability of a printing. CONSTITUTION: An ink cartridge(1) is detachably connected to a head of a record apparatus and has a vessel main body having an ink tank chamber(11) opened to the atmosphere in a state in which the head and the cartridge are connected and an ink end chamber communicating with the ink tank chamber and leading to the head. The vessel main body is formed with a first opening(85) communicating with the ink tank chamber and a second opening(86) communicating with the ink end chamber. Thereby, ink is smoothly supplied from the ink tank chamber to the ink end chamber and the stability of a printing is secured.