| 摘要 |
The invention relates to a device for extracting from cartridges containing a substance for preparing a drink, intended to be mounted on an extraction head (1) comprising a primary water injection system (26, 7), a primary clamping collar (2) with surfaces (ramps) (3) which are coaxial with the water injection system and a seal (4). This device comprises a secondary fastening means, a cartridge-holder (14) and a secondary water injection member (19, 18), the said secondary fastening means comprising, on the outside, clamping tabs (10) designed to engage on the surface of the primary clamping collar and, on the inside, a secondary clamping collar (11) having surfaces (ramps) (12) on which the tabs for fastening the cartridge-holder engage. <IMAGE>
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