A liquid containing bag includes a liquid filling opening part having a tube configuration through which an inside of the liquid containing bag is filled with liquid. The liquid filling opening part is melt-sealed from directions which face each other in a part of the liquid filling opening part. The...http://www.google.es/patents/US7814732?utm_source=gb-gplus-sharePatente US7814732 - Liquid containing bag, liquid cartridge, image forming device, and sealing method and sealing apparatus for the liquid containing bag
