An ink tank cartridge is provided removably mountable onto an ink supply needle of the ink-jet type recording apparatus body. The cartridge has a housing provided with an ink supply port extending through and projecting from a wall of the housing and into the chamber of the housing. A porous member...http://www.google.de/patents/US5844578?utm_source=gb-gplus-sharePatent US5844578 - Ink-jet recording apparatus and ink tank cartridge thereof
