Ink cartridge and image forming apparatus employing the ink cartridge
US8272723B2 · kind B2 · utility
0Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2010 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Jan 1, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17556
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink cartridge includes an inner pack that stores ink, an outer pack that packs the inner pack and into which gas is introduced to squeeze the inner pack to supply the ink to an exterior of the ink cartridge, and a cartridge case having a housing portion to enclose the outer pack and an inner wall surface against which the outer pack is inflated to be pressed as gas is introduced into the outer pack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.