发明名称 |
BACK PRESSURE ADJUSTMENT APPARATUS FOR LIQUID EJECTION HEAD |
摘要 |
The back pressure adjustment apparatus for a liquid ejection head has: a container having a liquid accommodating chamber which is connected to the liquid ejection head and accommodates liquid to be supplied to the liquid ejection head, and a gas accommodating chamber which accommodates gas; a movable film which separates the liquid accommodating chamber and the gas accommodating chamber, and forms a portion of whole walls of the liquid accommodating chamber; and a pressure adjustment device which causes all or a portion of the movable film to deform so as to adjust pressure of the liquid accommodated in the liquid accommodating chamber.
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申请公布号 |
US2008231650(A1) |
申请公布日期 |
2008.09.25 |
申请号 |
US20080045975 |
申请日期 |
2008.03.11 |
申请人 |
KOJIMA TOSHIYA;KACHI YASUHIKO;KATADA MASAHITO |
发明人 |
KOJIMA TOSHIYA;KACHI YASUHIKO;KATADA MASAHITO |
分类号 |
B41J2/055 |
主分类号 |
B41J2/055 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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