Asymmetric ink emitting orifices for improved inkjet drop formation
US6371596B1 · kind B1 · utility
34Cited by
14References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1999 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Aug 30, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printhead having reduced spray includes orifi from which ink is expelled by an ink ejector. The orifi employ an aperture at the outer surface of the orifice plate having an asymmetrical hourglass shape to cause the expelled ink drop to break off at the narrow end of the orifice aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.