Invention Grant
US07918550B2 Membrane divided foam for use in an ink jet cartridge 有权
用于喷墨墨盒的膜分离泡沫

Membrane divided foam for use in an ink jet cartridge
Abstract:
Embodiment of the invention provide an ink jet cartridge for an ink jet printing device. In one embodiment, an ink jet cartridge can include a cartridge body operable to store ink jet printer ink for dispensing from the cartridge. The cartridge can further include at least one dispensing outlet operable to permit ink to be dispensed from the cartridge body. In addition, the cartridge can include a first foam portion positioned adjacent to the at least one dispensing outlet and operable to retain ink within the cartridge body until dispensed from the cartridge body. The cartridge can also include a second foam portion. Furthermore, the cartridge can include at least one membrane disposed between the first foam portion and the second foam portion, wherein the at least one membrane is operable to inhibit ink flow between the first foam portion and the second foam portion.
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