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    • 13. 发明授权
    • Printing system with air accumulation control means enabling a semipermanent printhead without air purge
    • 具有空气积聚控制的打印系统意味着无需空气吹扫即可实现半永久性打印头
    • US06382784B2
    • 2002-05-07
    • US09789047
    • 2001-02-20
    • Norman E Pawlowski, Jr.Mark HauckJohn BarinagaDonald E Wenzel
    • Norman E Pawlowski, Jr.Mark HauckJohn BarinagaDonald E Wenzel
    • B41J2175
    • B41J2/17556B41J2/17509B41J2/17523
    • An inkjet printing system includes a semipermanent printhead having a fluid input for receiving ink and an ejection portion for depositing ink in response to control signals. The printing system also includes a replaceable ink supply configured for providing ink to the printhead that stores an ink volume. The printhead is capable of lasting throughout the life of a plurality of the ink volumes. The printing system includes a fluid accumulator portion in fluid communication with the printhead and the replaceable ink supply. The fluid accumulator is adapted to accommodate the air introduced into the printhead during the usage of the ink supplies without purging air from the printhead. An ink delivery apparatus is described that fluidically couples to the fluid input and provides ink to the printhead. This ink delivery apparatus is adapted to control air introduction to the printhead such that the accumulator portion can accommodate all air introduced during the life the printhead.
    • 喷墨打印系统包括具有用于接收墨水的流体输入和用于响应于控制信号而沉积墨的喷射部分的半永久性打印头。 打印系统还包括被配置为向存储墨水量的打印头提供墨水的可替换墨水供应。 打印头能够在多个墨水体积的整个寿命期间持续。 打印系统包括与打印头和可替换墨水供应流体连通的流体储存器部分。 流体蓄积器适于在使用墨水供应期间容纳引入打印头的空气,而不会从打印头吹扫空气。 描述了一种墨水输送装置,其流体耦合到流体输入端并向打印头提供墨水。 该油墨输送装置适于控制对打印头的空气引入,使得储存器部分可以适应打印头寿命期间引入的所有空气。
    • 17. 发明授权
    • Anti-outgassing ink composition and method for using the same
    • 防冒气油墨组合物及其使用方法
    • US5700315A
    • 1997-12-23
    • US608922
    • 1996-02-29
    • Donald E. Wenzel
    • Donald E. Wenzel
    • B41J2/19C09D11/00
    • C09D11/38B41J2/19
    • An anti-outgassing ink composition and method for using the same. The ink composition consists of an ink vehicle, a coloring agent, and an anti-outgassing additive. The additive prevents the outgassing of dissolved gases from the ink composition (e.g. in the form of gas bubbles) at temperatures generated within thermal printers (about 25.degree.-80.degree. C.). The additive accomplishes this goal by increasing the solubility of the gas in the ink composition. As a result, the continuous and uninterrupted flow of ink from the ink delivery system is achieved. A preferred additive consists of ethoxylated glycerol. The additive is used in an amount sufficient to control bubble formation. A typical ink composition will contain about 2-12% by weight additive. Use of the ink composition provides numerous benefits which are achieved without physical modifications to the printing hardware.
    • 一种防放气油墨组合物及其使用方法。 油墨组合物由油墨载体,着色剂和防止除气添加剂组成。 在热敏打印机(约25°-80℃)内产生的温度下,添加剂防止从油墨组合物中溶解的气体(例如以气泡的形式)释气。 添加剂通过增加气体在油墨组合物中的溶解度来实现这一目标。 结果,实现了来自墨水输送系统的墨水的连续且不间断的流动。 优选的添加剂由乙氧基化甘油组成。 添加剂的用量足以控制气泡形成。 典型的油墨组合物将含有约2-12%重量的添加剂。 油墨组合物的使用提供了许多益处,其在没有对印刷硬件的物理修饰的情况下实现。