| 摘要 |
The invention relates to an extraction device (2) for closed cartridges, which are provided for making a beverage, in a cartridge holder for a coffee machine, comprising a fixing cage (8) with clamping ramps (9) for the cartridge holder, an injection member (7) coaxial with the said fixing cage and, on the periphery of the injection member, a circular surface (16) perpendicular to the said injection member and consisting of a material providing a seal during the extraction of the closed cartridge. |
