Diaphragm/check valve used in inkjet cassette to air removal for extended life storage
US6666552B2 · kind B2 · utility
6Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2002 |
| Grant date | Dec 23, 2003 |
| Priority date | — |
| Expiry date | Jun 4, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink cartridge (10) for dispensing ink (IK) having a housing (12) with a cavity (22) therein for storing a quantity of ink, and a dispensing port (26) for delivering the ink to an output recordation device, such as a printer. The housing further has one or more additional ports (32, 34) extending through the housing in fluid communication with the cavity, and a check valve (16) received in one of the additional ports. The check valve is adapted to permit fluid flow in substantially one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.