Flow path member, liquid ejecting head and liquid ejecting apparatus
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United States of America Patent
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Jul 7, 2015
Grant Date -
Jun 27, 2013
app pub date -
Dec 26, 2012
filing date -
Dec 27, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A pressure chamber in which an opening of a groove-shaped flow paths configuring a portion of a liquid flow path is formed by sealing with a film, a valve body which opens and closes a communication path communicating with the pressure chamber, and a pressure receiving member which is pressed by the film displaced to the pressure chamber side by negative pressure of the pressure chamber and is able to press the valve body in a direction where the valve body is valve opening state are included, and the valve body includes a flange section, a shaft section connected to the flange section and a seal member, and the seal member is formed in a shape of an annulus surrounding the shaft section.
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