Ink tank, ink jet recording head, ink jet cartridge, and ink jet recording apparatus
US6637872B2 · kind B2 · utility
38Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2001 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Apr 24, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet recording apparatus has a pressure limiting mechanism between a gas-liquid separator and a source of negative pressure required to suck and supply ink for refilling an ink tank, to prevent a fixed amount or more of negative pressure from being exerted on the gas-liquid separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.