Disposable ink cartridge
US4556012A · kind A · utility
21Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 1984 |
| Grant date | Dec 3, 1985 |
| Priority date | — |
| Expiry date | Jun 4, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C1/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A disposable ink cartridge is provided comprising a container having a top opening, an inwardly extending bottom and an inwardly extending shoulder or rim. An ink absorbent pad such as a sponge is fitted inside the container followed by an ink distributing pad such as a felt pad. The container is sealed by a laminate consisting of a bottom layer of metal foil having a heat sealing polymeric composition on its undersurface and a top layer of paper such as kraft paper. The felt pad has a hole located therein which equalizes the pressure between the surface of the felt and the inside of the cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.