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Patent Searching and Data


Title:
INK EJECTION DEVICE AND INK DRYNESS PREVENTION METHOD AT TIP END OF INK EJECTION HEAD
Document Type and Number:
Japanese Patent JP2007083560
Kind Code:
A
Abstract:

To provide an ink ejection device capable of suppressing the evaporation of the ink in ejection nozzles to prevent dryness, without increasing the quantity of ink consumption nor changing a blending ratio of ink.

The ink ejection device comprises an ink ejection head part (1) having a plurality of ejection energy generating elements for generating energy for ejecting ink liquid droplets and a plurality of ink ejection nozzles for ejecting the ink liquid droplets, an ink tank (2) for holding ink, an ink supply passage (3) for supplying ink, an airtight chamber (4) provided surrounding at least the ink ejection head part, and a pressure mechanism (5) for pressurizing the airtight chamber.


Inventors:
ISHIDA SATORU
KAI TERUHIKO
TAKADA KAZUHIRO
Application Number:
JP2005000275307
Publication Date:
April 05, 2007
Filing Date:
September 22, 2005
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B41J2/165