Patent AT-E400438-T1: [Translated] INK CARTRIDGE

The ink cartridge (10) has an ink chamber and an elastic insert in a channel opening into the chamber and clamped against a stop in the axial direction so that the end of the insert not in contact with the stop is held in contact with a porous ink reservoir , whereby the porous insert is deformed by the clamping force so that its mean pore size is less than/equal to that of the ink reservoir.