Apparatus and method for controlling internal pressure of ink container
US6431698B1 · kind B1 · utility
11Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2001 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | May 29, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17556
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for controlling an internal negative pressure of an ink container used in an ink-jet printing apparatus is disclosed. The apparatus includes a hollow tube located in an interior of the ink container, and a containing member connected to the hollow tube for containing therein an ink of the container to prevent an atmospheric air from entering the interior of the ink container while the ink container is placed upside down. Thus, upon the ink container is black to the normal placement and in the working status, the ink will not leak from the ink-jet head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.