Ink cartridge with compressed ink absorbing member therein
US6874875B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2002 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Jun 13, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17559
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink tank cartridge includes a housing having a chamber defined by a set of side walls, a lid, and a first surface. An outlet port is formed in the first surface for communicating ink from the chamber. An ink receiving member for holding the ink is received in the chamber and is held in compression between the side walls. A substantial portion of the surface of the ink receiving member is compressed, preferably more than ⅓of the total surface. The ink receiving member is held uncompressed between the lid and the first surface. A method of assembling an ink cartridge includes providing a housing and a porous ink storage element. The ink storage element is compressed by a set of side walls defining a chamber formed in the housing. The ink storage element is compressed within a range of about 0.5%-50%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.