Patent ID: 6149267
Filing Date: 2000-11-21
Classification: B41J

Abstract:
An ink cartridge for feeding ink to a printing head of an ink jet printer, the printing head having a tubular socket with a flat end face closed off by a sieve and an arrester, said ink cartridge comprising:a cartridge casing closed on all sides by walls including a face wall, said face wall having a first aperture for receiving the tubular socket with the flat end face, said casing having a second aperture for feeding air to the ink cartridge,locking elements on said casing for lockingly engaging the arrester of the printing head, andink within said casing,said casing further comprising a prismatic hollow body having an opening on one side and having four lateral walls, said walls having free ends, with said wall face being fastened on the free ends of said walls, an elastomeric foil between said face wall and said foam element, said foil having a hole smaller than said first aperture and extending coaxially with said first aperture and wherein an edge zone of the smaller hole projecting beyond an edge of said first aperture rests sealing against the socket when the cartridge is inserted.