Atmospheric pressure chamber in an ink jet system printer

Details Atmospheric pressure chamber in an ink jet system printer Atmospheric pressure chamber in an ink jet system printer

B - Operations, Transporting

41

J

101/96.02

B41J 2/175 (2006.01)

Patent

CA 1231000

ABSTRACT OF THE DISCLOSURE An ink liquid supply system for an ink jet system printer includes an atmospheric pressure chamber interposed between an ink tank and a pressurizing pump. An air buffer is immersed in an ink liquid contained in the atmospheric pressure chamber. The air buffer comprises a resilient wall and the inside of the air buffer is communicated with the atmosphere through an air inlet. When the ink liquid con- tained in the atmospheric pressure chamber freezes, the ex- pansion of the ink liquid is absorbed by the air buffer, thereby preventing explosion of the atmospheric pressure chamber.

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