Device for feeding liquid to inkjet heads and device for wiping inkjet heads
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United States of America Patent
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Feb 22, 2011
Grant Date -
Dec 10, 2009
app pub date -
Jun 8, 2005
filing date -
Jun 8, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
When liquid materials are fed to inkjet heads, fluid pressures of liquid materials to be fed to inkjet heads are equalized so that a gas does not remain in liquid feed pipe lines without causing structures of the liquid feed pipe lines to be complicated. Separate liquid feed pipe lines (3) for feeding the liquid material, each of which communicates with each of a plurality of inkjet heads (4), are each connected to a common liquid feed pipe line (2) which stores one kind of the liquid material and communicates with an ink tank (1). Separate gas flow pipe lines (19), each of which is capable of feeding a gas and communicates with a connection portion between the common liquid feed pipe line (2) and each of the separate liquid feed pipe lines (3), with each of the inkjet heads (4), or with both the connection portion and each of the inkjet heads (4), are each connected to a bypass pipe line (18a) (common gas flow pipe line (18)) capable of being opened and closed with respect to the atmosphere.
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