Ink container with an inductive ink level sense
US6164743A · kind A · utility
77Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/17516
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink container that includes a collapsible ink reservoir having first a side and a second side that are opposing, a first spiral conductive coil attached to the first side, a second spiral conductive coil attached to the second side, stiffeners disposed over the first and second coils, and a pressure vessel for pressurizing the outside of the ink reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.