Patent ID: 7946217

Claim:
A device for preparing a beverage or a liquid foodstuff from a capsule containing a product with a substance to be extracted, wherein the device includes an injection head comprising a perforating surface having a shape which is substantially curved and convex, when viewed from outside, provided with a plurality of perforating spikes distributed over the perforating surface and at least one water supply channel arranged to supply water onto the perforating surface, the perforating spikes having a smooth tapered shape without sharp edges and an average cone angle less than 60°, including a body or a capsule carrier comprising a bottom wall, an intermediate bottom wall in the form of a filtering wall having a plurality of perforating spikes and outflow orifices, and a lower cavity portion arranged between the filtering wall and the bottom wall, wherein the bottom wall comprises an outflow channel surrounded by lips which protrude upwards with respect to the lowest point of the lower cavity portion.