Ink container having blocking member and boundary layer
US6270206A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1998 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jul 29, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17513
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink container includes an ink absorbing material for retaining ink and producing a negative pressure; a casing, provided with an ink supplying portion and an air vent, for accommodating the ink absorbing material; wherein the ink absorbing material is of thermoplastic material and has a surface ink blocking layer provided by heating and melting a surface of the absorbing material; wherein the ink blocking layer blocks movement of the ink contained in the ink absorbing material to outside, and constitutes at least a part of the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.