| 发明名称 |
PRINTER INK CARTRIDGES |
| 摘要 |
A printer cartridge is disclosed that is under negative pressure to retain liquid and allows controlled ingress of atmospheric air to release liquid from the printer cartridge. A labyrinth on a surface of the printer ink cartridge provides controlled ingress of atmospheric air having an entrance chamber to allow entry of atmospheric air, an exit chamber in communication with the liquid, and an elongate channel extending between the entrance chamber and the exit chamber. The elongate channel having a raised track formed on the surface and extending along each side of the elongate channel. |
| 申请公布号 |
US2016229192(A1) |
申请公布日期 |
2016.08.11 |
| 申请号 |
US201315025643 |
申请日期 |
2013.09.30 |
| 申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
WONG Yeang Chyn;Paranan Sittampalam;Tandjo Djuhartini;Yap Boon Huey;Teo Soo Leng;Lim Ngee Hong Richard;Kwok Ping Siew |
| 分类号 |
B41J2/175 |
主分类号 |
B41J2/175 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A printer cartridge, comprising:
a labyrinth on a surface of the printer cartridge to provide controlled ingress of atmospheric air, the labyrinth having an entrance chamber to allow entry of atmospheric air, an exit chamber in communication with a liquid, and an elongate channel extending between the entrance chamber and the exit chamber, the elongate channel having a raised track formed on the surface and extending along each side of the elongate channel. |
| 地址 |
Houston TX US |
