Ink replenishment container
US12172447B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2022 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Oct 28, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J29/13
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
There is provided an ink replenishment container for replenishing ink into an ink tank via an ink inlet flow path member, the ink replenishment container including a container main body, an ink outlet forming portion having a tubular portion, a spring valve having a valve body mounted in the tubular portion and a spring for urging the valve body toward the ink outlet, and a sealing member mounted in the tubular portion and having a sealing end configured to contact with the valve body in a valve close state, in which the sealing member has a cylindrical inner peripheral wall and an elastic membrane portion extending from the inner peripheral wall toward a center, and the elastic membrane portion is formed with a slit-shaped gap passing through a center portion including the center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.