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    • 23. 发明授权
    • Ink printer head
    • 墨水打印头
    • US4937596A
    • 1990-06-26
    • US393220
    • 1989-08-14
    • Karl-Heinz Schmid
    • Karl-Heinz Schmid
    • B41J2/045B41J2/055B41J2/16
    • B41J2/1606
    • A head part comprising ink ejection channels in the ink printer head is cast into an outer mount with a rubber-elastic casting compound. A silanization layer is situated on the side of the discharge openings of the ink ejection channels. The hydrophobic effect of this silanization layer is intensified by silicone fluid added before the casting of the casting compound, since the silicone fluid diffusing out of the casting compound and later spreads by creeping and forms a layer of silicone fluid on the silanization layer. The layer of silicone fluid is constantly replenished from the inside of the casting compound. The layer of silicone fluid also simultaneously protects the silanization layer against hydrolysis. The instant invention is suitable for all ink printer heads that operate with aqueous ink.
    • 在墨水打印头中包括喷墨通道的头部被铸造成具有橡胶弹性铸塑料的外部安装件。 硅烷化层位于喷墨通道的排出口侧。 这种硅烷化层的疏水效应在铸造化合物浇铸之前加入的硅氧烷流体增强,因为硅氧烷流体从铸塑料中扩散出来,然后通过蠕变扩散,并在硅烷化层上形成一层硅氧烷流体。 有机硅流体层从铸塑料的内部不间断地补充。 有机硅流体层也同时保护硅烷化层免受水解。 本发明适用于用水性墨水操作的所有墨水打印头。