Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-06-05
2010-12-28
Lepisto, Ryan (Department: 2883)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S020000, C347S022000, C347S023000, C347S029000, C347S030000, C347S033000, C347S036000, C347S042000
Reexamination Certificate
active
07857418
ABSTRACT:
A maintenance sheet with a facing surface facing a nozzle formation surface of a liquid ejection head provided in a liquid ejecting apparatus is provided. The maintenance sheet includes a cap section that is brought into abutment with the nozzle formation surface to form a sealed space in cooperation with the nozzle formation surface when the facing surface and the nozzle formation surface have been made to approach each other relatively in a facing position where the facing surface faces the nozzle formation surface, and that is made variable in internal volume in the abutment state, a communication hole that is penetratingly formed so as to allow the inside and outside of the cap section to communicate with each other, and a valve that opens and closes the communication hole. The valve activates to open with a reduction in the internal volume of the cap section, while the valve activates to close with an increase in the internal volume of the cap section.
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Matsuhashi Kunihiko
Takahashi Nobuhito
Lepisto Ryan
Seiko Epson Corporation
Workman Nydegger
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