Ink cartridge
US9902161B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2017 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Jan 24, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/1752
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink cartridge includes: an ink container formed of a thermoplastic film material filled with predetermined ink; an outer package as an outer box in which the ink container is inserted; and an engagement part provided at one longitudinal end part of the ink container and engaging with a cartridge attaching mechanism of a printer. Inside an ink supply section provided at a longitudinal one end of the ink container, an inner plug is provided which closes or opens an opening of a supply opening, and a covering member protecting a shaft part of the inner plug is provided while constantly covering the shaft part regardless of sliding upon attachment and detachment of an ink cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.