CAPSULE FOR PREPARING A BEVERAGE, AND DEVICE

摘要

The invention relates to a capsule for preparing a beverage, for example coffee, including a hollow element (1) for containing a metered amount of ground coffee, for example, said hollow element (1) including a side wall (2), an injection surface (3) and an extraction wall (4) for extracting a mixture of water and coffee; said capsule including at least one self-piercing raised pattern (5) arranged on said extraction wall (4). The invention also relates to a device for using said capsule.