Capping unit, capping method, and droplet dispense unit

Details Capping unit, capping method, and droplet dispense unit Capping unit, capping method, and droplet dispense unit

2007-02-06

2007-02-06

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S030000

Reexamination Certificate

active

10852210

ABSTRACT:
To provide a capping unit, a capping method, and a droplet dispense unit capable of a liquid-filling operation to an inkjet head and recovery operation of the inkjet head in imperfect dispense condition without useless discharge of liquid dispensed by an inkjet system. A capping unit to cover a dispense head with a covering device, the dispense head including cavities to store liquid, nozzles communicating with the cavities, and a dispense device to dispense the liquid stored in the cavities through the nozzles. The covering device is equipped with a first cover including a gas-permeable member having high gas permeability and a second cover including a wetting member to keep the vicinity of the nozzles in a wet condition.

REFERENCES:
patent: 6364449 (2002-04-01), Takahashi et al.
patent: 6827422 (2004-12-01), Horie
patent: B2-2665469 (1997-10-01), None
patent: A-11-254693 (1999-09-01), None
patent: 2001-186880 (2001-07-01), None
patent: A-2001-301194 (2001-10-01), None
patent: A-2003-127400 (2003-05-01), None

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