An ink supply for a push-primed inkjet printer including an ink reservoir, a housing, and a pair of valves. The housing may enclose the ink reservoir and define an opening that provides fluid communication between the ink reservoir and outside the housing. The pair of valves may be coupled to the housing,...http://www.google.fr/patents/US7618135?utm_source=gb-gplus-shareBrevet US7618135 - Inkjet printing system with push priming
