Patent attributes
A beverage system that includes a capsule and a beverage machine. The capsule includes: a base element; a flange that includes a top side and a bottom side; a cover fastened to the top side, the cover is bowed outwardly and includes a region configured to be pierced; a barrier layer to prevent moisture or aroma from escaping out of the capsule; and an identifier on the bottom side of the flange. The machine includes: a sensor/detector; an insertion shaft configured to receive the capsule; a pump controlled to supply water into the capsule only upon detection of the identifier and a determination by the machine that the capsule is suitable for use with the machine; a mandrel to pierce the cover; a groove that is laterally offset from the mandrel; and a seal that is at least partially seated in the groove and configured to bear against the cover.