A capsule, a system for preparing a potable beverage from such a capsule and use of such a capsule in a beverage preparation device

摘要

Capsule containing a substance for the preparation of a potable beverage. The capsule comprises an aluminum capsule body having a side wall and an outwardly extending flange and a sealing member at the outwardly extending flange for providing a fluid fluid sealing contact with an enclosing member of a beverage preparation device. The beverage preparation device comprises an annular element having a free contact end which is provided with a plurality of radially extending open grooves. The sealing member comprises a separate crushable element provided on the surface of the outwardly extending flange opposite the cover.