| 摘要 |
A capsule (1) for preparing infusion beverages is described, composed of a containing tank (3) defining therein a room (5) adapted to contain a substance to be infused, the tank (3) being equipped with at least one opening (7) externally equipped on its perimeter with a circular edge (9) adapted to abut against a corresponding abutment edge (11) of a side wall of an infusion chamber (12) of a preparing machine inside which the capsule (1) is inserted, a surface face of the circular edge (9) being equipped with a sealing profile (15) composed of a first circular rib (17) and a second circular rib (19), the first and second ribs (17, 19) being concentric with respect to a main symmetry axis (S-S) of the capsule (1), each rib (17, 19) being flexible and the first and second ribs (17, 19) defining therebeween a seat (21) shaped as a circular crown adapted to house therein an end portion of the abutment edge (11) of the side wall of the infusion chamber (12). |
