Method and apparatus for redundant sealing of a printhead pressure regulator
US5719609A · kind A · utility
61Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1996 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Aug 22, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S137/907
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fail-safe, stop valve for an ink-jet print head in a pressurized ink delivery system. The stop valve is actuated by a back pressure regulator if the operating pressure of the print head approaches atmospheric pressure during operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.