Ink cartridge, ink cartridge unit and ink jet printhead

摘要

The cartridge (1) has a housing (2) enclosing at least one chamber with an ink outlet (6) with an opening (7) in the underside, an air opening in the upper side and filled with a porous storage body (3) fully soaked with ink. The ink outlet contains an annular seal (8) inserted into the opening and made of soft elastic material forming a sealing surface (10) enclosing an outlet opening (12) at the outside of the housing. Independent claims are also included for the following: (A) an ink cartridge unit with an ink cartridge (B) and a inkjet print head with at least one inventive ink cartridge.