INK CARTRIDGE WITH HIGH FLOWRATE, SELF SEALING OUTLET
First Claim
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1. An ink cartridge for an inkjet printhead, the ink cartridge comprising:
- an outlet opening with an outlet valve for connection to an inlet on the printhead, the outlet valve having a radially extending flange portion fixed within the outlet opening; and
,an annular skirt of resilient material extending from the side of the outlet opening to the flange portion, the annular skirt being biased into sealing engagement with the flange portion to close the outlet valve;
wherein during use,the inlet on the printhead engages annular skirt of resilient material during installation of the cartridge to open the outlet valve such that ink flows around the radially extending flange portion to the printhead.
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Abstract
An ink cartridge that self seals its outlet opening with an outlet valve that connects to an inlet on the printhead. The outlet valve has a radially extending flange fixed within the outlet opening and an annular skirt of resilient material extending from the side of the outlet opening to the valve seat. The annular skirt is biased into sealing engagement with the radially extending flange to close the outlet valve until installment when the printhead inlet lifts the annular skirt off the flange so that ink flows around the flange into the printhead.
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Citations
14 Claims
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1. An ink cartridge for an inkjet printhead, the ink cartridge comprising:
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an outlet opening with an outlet valve for connection to an inlet on the printhead, the outlet valve having a radially extending flange portion fixed within the outlet opening; and
,an annular skirt of resilient material extending from the side of the outlet opening to the flange portion, the annular skirt being biased into sealing engagement with the flange portion to close the outlet valve;
wherein during use,the inlet on the printhead engages annular skirt of resilient material during installation of the cartridge to open the outlet valve such that ink flows around the radially extending flange portion to the printhead. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification