Ink jet printer
US4312010A · kind A · utility
17Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1980 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Jul 2, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/19
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet printer comprising conical pressure chambers (2). The pressure chambers have to be filled with ink without inclusion of bubbles. To this end, the pressure chambers (2) are constructed as very flat cones, the ink being supplied to the base thereof via a supply duct (5) which opens into the cone envelope. The ink is discharged from the apex of the cone via a discharge duct. Under the influence of capillary forces, an air bubble is enclosed in the pressure chambers by the ink and is discharged via the apex.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.