Pressure controlled ink cartridge
US6168267A · kind A · utility
34Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 23, 2000 |
| Grant date | Jan 2, 2001 |
| Priority date | — |
| Expiry date | Feb 23, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17503
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink cartridge for an ink jet printer which includes a body portion having a substantially continuous side wall perimeter extending from a substantially planar first side panel portion. A cavity for containing ink is defined by a second side panel portion, the side wall perimeter and the first side panel portion. A lung type pressure regulator is disposed within the cavity and has at least one lung frame wall disposed at an angle within the cavity with respect to a cavity side wall for promoting gas formation in the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.