External ink supply bag and method of filling the same

Details External ink supply bag and method of filling the same External ink supply bag and method of filling the same

B - Operations, Transporting

41

J

B41J 2/175 (2006.01)

Patent

CA 2573358

An ink reservoir bag of flexible, plastic sheet material for an ink delivery system for an ink cartridge is constructed of two sheets of plastic material having peripheral edges bonded together to provide an ink chamber therebetween and has separate fill and exit ports opening into the chamber and respectively defined by a fill tube and an exit tube bonded to the bag between the peripheral edges thereof. Flexible tubing is connected to the exit port through a check valve interposed between the port and tubing, and a lure lock is interconnected with the fill tube to provide an injection sight for filling the bag. The hag is filled by connecting the tubing to a vacuum source, evacuating air from the bag and tubing, connecting the fill port to a source of ink and using the negative pressure to draw ink into the bag and tubing.

L'invention concerne une poche à encre en matériau feuille plastique flexible pour système de fourniture d'encre associé à une cartouche d'encre, comprenant : deux feuilles de plastique à bords périphériques liés pour donner une chambre à encre entre les deux, avec orifices de remplissage et de sortie séparés définis par un tube de remplissage et un tube de sortie attachés à la poche entre les bords considérés. Un tube flexible est relié à la sortie via un clapet de retenue entre l'orifice et le tube, et un verrouillage forcé est relié avec le tube de remplissage, donnant un repère d'injection pour le remplissage. On remplit la poche en reliant le tube à une source de vide, pour évacuer l'air du sac et du tube, en reliant l'orifice de remplissage à une source d'encre et en utilisant la pression négative pour aspirer l'encre dans la poche et le tube.

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