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    • 1. 发明授权
    • Ink refill techniques for an inkjet print cartridge which leave correct
back pressure
    • 用于留下正确背压的喷墨打印墨盒的墨水补充技术
    • US5903292A
    • 1999-05-11
    • US615749
    • 1996-03-14
    • Joseph E. ScheffelinElizabeth ZapataWinthrop D. ChildersDavid S. Hunt
    • Joseph E. ScheffelinElizabeth ZapataWinthrop D. ChildersDavid S. Hunt
    • B41J2/175
    • B41J2/1752B41J2/17506B41J2/17513B41J2/17523B41J2/17553B41J2/17566B41J2002/17516B41J2002/17573B41J2002/17586
    • In a preferred embodiment, the ink reservoir in a print cartridge consists of a spring-loaded collapsible ink bag, where the spring urges the sides of the ink bag apart and thus maintains a negative pressure within the ink bag relative to ambient pressure. An ink refill system containing a supply of ink has a valve with a connector portion which is engageable with the connector portion of the print cartridge refill valve. When the valves are connected, the negative pressure within the print cartridge ink bag draws the ink from the ink refill system reservoir into the ink bag until the ink bag is substantially full. The print cartridge is then removed from the ink refill system. The mechanical coupling initially created between the two valves acts to pull the two valves closed as the print cartridge is pulled from the ink refill system. Once the two valves are closed, further pulling of the print cartridge releases the mechanical coupling, and the print cartridge may now be reused. Various external ink supply structures, having a variety of types of ink exit ports, are disclosed for use with the preferred print cartridge. In a preferred embodiment, the ink refill system contains one recharge for the print cartridge.
    • 在优选实施例中,打印墨盒中的墨水储存器由弹簧加载的可折叠墨水袋组成,其中弹簧将墨水袋的侧面分开,从而相对于环境压力维持墨水袋内的负压。 包含墨水供应的墨水补充系统具有带有连接器部分的阀,该连接器部分可与打印墨盒补充阀的连接器部分接合。 当阀连接时,打印墨盒墨水袋内的负压将墨水从墨水补充系统储存器吸入墨水袋中,直到墨水袋基本上满满为止。 然后从墨水补充系统中取出打印墨盒。 最初在两个阀之间产生的机械联轴器用于当从墨水补充系统拉出打印墨盒时拉动两个阀关闭。 一旦两个阀关闭,进一步拉动打印墨盒释放机械联接器,并且打印墨盒现在可以重复使用。 公开了具有各种类型的出墨口的各种外部供墨结构,用于优选的打印墨盒。 在优选实施例中,墨水补充系统包含用于打印墨盒的一次再充电。
    • 2. 发明授权
    • Technique for filling a print cartridge with ink and maintaining a
correct back pressure
    • 用墨水填充墨盒并保持正确背压的技术
    • US5992987A
    • 1999-11-30
    • US873614
    • 1997-06-11
    • Winthrop D. ChildersJoseph E. Scheffelin
    • Winthrop D. ChildersJoseph E. Scheffelin
    • B41J2/015B41J2/175F16K3/26
    • B41J2/17513B41J2/17506B41J2/1752B41J2/17523B41J2002/17516B41J2002/17573B41J2002/17586
    • A modified syringe for recharging an ink supply in a print cartridge is described. In the preferred embodiment, the end of a syringe valve is inserted into the end of a print cartridge valve to create both a mechanical coupling and a fluid tight coupling between the two valves. A further insertion causes both valves to become open, thus creating an airtight fluid path between the syringe chamber and the depleted print cartridge reservoir. A negative pressure within the print cartridge ink bag draws the ink from the syringe chamber into the ink bag until the ink bag is substantially full and the pressure in the ink bag is at or near atmospheric pressure. An air intake port is provided on the syringe to fill the void left by the ink in the syringe chamber. Once the print cartridge has been recharged, a plunger in the syringe is manually pulled back a predetermined distance to draw an amount of ink out of the print cartridge to create the desired negative pressure in the print cartridge. The syringe is then removed from the print cartridge, automatically pulling the two valves closed.
    • 描述了用于对打印墨盒中的墨水供应进行再充电的改进的注射器。 在优选实施例中,注射器阀的端部插入打印墨盒阀的端部,以在两个阀之间产生机械联接和流体密封连接。 进一步的插入导致两个阀打开,从而在注射器室和耗尽的打印墨盒储存器之间形成气密的流体路径。 打印墨盒墨水袋内的负压将墨水从注射器室吸入墨水袋中,直到墨水袋基本上充满并且墨水袋中的压力处于或接近大气压。 在注射器上设置有一个进气口,以填充注射器腔中的油墨留下的空隙。 一旦打印墨盒已被充电,将注射器中的柱塞手动地拉回预定距离,以将一定量的墨水从打印墨盒中取出以在打印墨盒中产生所需的负压。 然后将注射器从打印碳粉盒中取出,自动将两个阀关闭。
    • 3. 发明授权
    • Syringe for filling print cartridge and establishing correct back
pressure
    • 注射器用于填充打印墨盒并建立正确的背压
    • US5673073A
    • 1997-09-30
    • US615936
    • 1996-03-14
    • Winthrop D. ChildersJoseph E. Scheffelin
    • Winthrop D. ChildersJoseph E. Scheffelin
    • B41J2/015B41J2/175F16K3/26
    • B41J2/17513B41J2/17506B41J2/1752B41J2/17523B41J2002/17516B41J2002/17573B41J2002/17586
    • A modified syringe for recharging an ink supply in a print cartridge is described. In the preferred embodiment, the end of a syringe valve is inserted into the end of a print cartridge valve to create both a mechanical coupling and a fluid tight coupling between the two valves. A further insertion causes both valves to become open, thus creating an airtight fluid path between the syringe chamber and the depleted print cartridge reservoir. A negative pressure within the print cartridge ink bag draws the ink from the syringe chamber into the ink bag until the ink bag is substantially full and the pressure in the ink bag is at or near atmospheric pressure. An air intake port is provided on the syringe to fill the void left by the ink in the syringe chamber. Once the print cartridge has been recharged, a plunger in the syringe is manually pulled back a predetermined distance to draw an amount of ink out of the print cartridge to create the desired negative pressure in the print cartridge. The syringe is then removed from the print cartridge, automatically pulling the two valves closed.
    • 描述了用于对打印墨盒中的墨水供应进行再充电的改进的注射器。 在优选实施例中,注射器阀的端部插入打印墨盒阀的端部,以在两个阀之间产生机械联接和流体密封连接。 进一步的插入导致两个阀打开,从而在注射器室和耗尽的打印墨盒储存器之间形成气密的流体路径。 打印墨盒墨水袋内的负压将墨水从注射器室吸入墨水袋中,直至墨水袋充分充满,并且墨水袋中的压力处于或接近大气压。 在注射器上设置有一个进气口,以填充注射器腔中的油墨留下的空隙。 一旦打印墨盒已被充电,将注射器中的柱塞手动地拉回预定距离,以将一定量的墨水从打印墨盒中取出以在打印墨盒中产生所需的负压。 然后将注射器从打印碳粉盒中取出,自动将两个阀关闭。