| 摘要 |
The device has a water inlet (5), a capsule holder (2), a capsule cage (3), a clamping unit, and a set of spikes (6) for piercing an extraction membrane (7) of a capsule (1), where the capsule contains ground coffee. The clamping unit has a piston (4) mounted such that the piston moves with respect to the capsule cage. The spikes are movably mounted with respect to the capsule holder and integrated to the piston. A lower part of the cage is stopped against a collar (12) of the capsule. |
