Ink-cartridge for printers
US8128211B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2006 |
| Grant date | Mar 6, 2012 |
| Priority date | — |
| Expiry date | Sep 27, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an ink-cartridge for printers comprising a body formed having a filling hole on an upper surface thereof; a plurality of filling chambers inside of the body divided by a partition having a connecting hole; a discharging chamber connected to the filling chamber; an air chamber connected to the filling chamber via an air transferring channel so as to supply air to the filling chamber; an air suction valve installed in the air chamber; an air inducing channel inducing external air to the air suction valve; a blocking film attached to one surface of the body; and a cover installed in the other side surface of the body; and a pressure regulating part formed in a surface of an outer wall of the body and communicating with the filling chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.