Liquid ejecting apparatus

Details Liquid ejecting apparatus Liquid ejecting apparatus

2008-08-18

2010-11-30

Hsieh, Shih-wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S029000, C347S030000, C347S036000, C347S086000

Reexamination Certificate

active

07841688

ABSTRACT:
A liquid ejecting apparatus including a liquid ejecting head, a liquid supply passage, a gas discharge passage, a gas-permeable film, a switching device, and a differential pressure valve. The gas-permeable film allows only gases to pass therethrough and provides a partition separating the gas discharge passage and the liquid supply passage. The switching device selectively connects a sucking device with one of the gas discharge passage and a liquid suction cap. The differential pressure valve is disposed in a portion of the gas discharge passage between the gas permeable film and the switching device and opens by a suction pressure from the sucking device to communicate the gas permeable film with the switching device when the sucking device is operating, and prevents communication between the gas permeable film and the switching device when the sucking device is not operating.

REFERENCES:
patent: 6755500 (2004-06-01), Hirano et al.
patent: 6846072 (2005-01-01), Sato et al.
patent: 2005/0212873 (2005-09-01), Usui et al.
patent: 2006/0137526 (2006-06-01), Ueda
patent: 2005271554 (2005-10-01), None
patent: 2005288770 (2005-10-01), None
patent: 2006206190 (2006-08-01), None

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