Cartridge for refilling a printing cartridge with ink
US5813339A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1997 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Sep 30, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17506
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A refilling cartridge is provided for refilling a jet printer cartridge with ink. The refilling cartridge includes a housing for a foil pouch refilling chamber and a hollow needle projecting from the housing. A rubber elastic sealing element is provided at a free end of the needle to be selectively penetrated by the needed. The sealing element is secured by a movable retaining element that shields the hollow needed and is movable in a lengthwise direction of the hollow needle to selectively expose the free end of the hollow needle. A spring element holds the retaining element in a position where the sealing element seals the open end of the needle and releasable locking elements are provided for the retaining element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.