发明名称 |
Fail-safe, backup valve in a pressurized ink delivery apparatus |
摘要 |
A fail-safe, backup valve for an ink-jet print head in a pressurized ink delivery system. The backup valve is in series with and is actuated by a back pressure regulator if the operating pressure of the print head approaches atmospheric pressure during operation.
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申请公布号 |
US5923353(A) |
申请公布日期 |
1999.07.13 |
申请号 |
US19960718615 |
申请日期 |
1996.09.23 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
BOYD, MELISSA D.;PAWLOWSKI, JR., NORMAN E. |
分类号 |
B41J2/175;(IPC1-7):B41J2/175 |
主分类号 |
B41J2/175 |
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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