| 摘要 |
One aspect of the invention provides a capsule (1) containing an extraction substance, which capsule has: - a basic body (2) having a floor region (5) and an encircling side wall (6); and - a cover (3), which is fastened on the basic body (2); - wherein the cover (3) is fastened on the basic body (2) along an encircling collar (4), wherein the collar (4) adjoins the encircling side wall in the direction of a cover side; - wherein the basic body (2) has an essentially rectangular cross section in the region of the collar; - wherein the cover (3) forms a curvature in the outward direction, and therefore the cover contributes to a capsule volume; - wherein an encircling surface (8) which is directed towards the cover side, and extends from an outer edge (7) of the collar as far as a starting point (12) of the curvature, forms; - and wherein the starting point (12) of the curvature is set inwards in relation to the transition between the side wall (6) and the collar (4). |
