Ink container with internal air pressure adjustment
US5801737A · kind A · utility
66Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1997 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Feb 10, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17513
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink container includes an ink storing portion for storing ink; an ink supplying portion for supplying ink to a recording head portion; an air vent for taking the atmospheric air into the ink container; and a hollow tube, one end of which opens to the atmosphere at the air vent, above the liquid level of the stored ink, and the other end of which opens within the ink container adjacent to the bottom portion of the ink container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.