A system for making beverages includes a capsule and a capsule holder including an annular edge at the top of which there is a projecting annular element and/or respectively an annular seat. The capsule includes a body including a lower wall, a lateral wall and a perimetric edge on which there is an
A system for making beverages includes a capsule and a capsule holder including an annular edge at the top of which there is a projecting annular element and/or respectively an annular seat. The capsule includes a body including a lower wall, a lateral wall and a perimetric edge on which there is an annular groove having a bottom zone and two inner lateral faces, and/or respectively there is an annular tooth having a tip portion and two outer lateral faces. The capsule holder and the capsule can adopt a sealed configuration where the projecting annular element, inserted in the annular groove, is in sealed contact with at least one of the inner lateral faces, and/or respectively the annular seat receives inside it the annular tooth and is in sealed contact with at least one of the outer lateral faces.
대표청구항▼
1. A capsule (2) containing at least one powdered food substance which can be extracted by passing pressurised water through it to make a beverage, the capsule (2) comprising a substantially cup-shaped body (3) having a central axis (4), the body (3) comprising a lower wall (5), a lateral wall (6) e
1. A capsule (2) containing at least one powdered food substance which can be extracted by passing pressurised water through it to make a beverage, the capsule (2) comprising a substantially cup-shaped body (3) having a central axis (4), the body (3) comprising a lower wall (5), a lateral wall (6) extending from the lower wall (5), and, at the opposite end of the lateral wall (6) to the lower wall (5), a perimetric edge (7) projecting outwards from the lateral wall (6) and being integral and a single piece with the lateral wall (6), the capsule (2) also comprising a lid (8) associated with the perimetric edge (7) for closing the top of the body (3); wherein the perimetric edge (7) of the body (3), on the opposite side to that where the lid (8) of the capsule (2) is associated, defines an annular groove (21) on whose surface there are three portions annularly arranged relative to the central axis (4), consisting of a bottom zone (23) and two inner lateral faces (24, 25) which are laterally positioned on opposite sides of the bottom zone (23), the inner lateral face (25) of the annular groove (21) closest to the central axis (4) being part of the lateral wall (6) of the body (3) of the capsule (2), and the inner lateral faces (24, 25) being angled relative to the direction defined by the central axis (4) and converge one another as they approach towards the bottom zone (23), the annular groove (21) being defined by the perimetric edge (7) even when the capsule (2) is outside a housing (10) of a capsule holder (9) and the capsule (2) is not in a sealed configuration. 2. The capsule according to claim 1, wherein on the perimetric edge (7) there are both the annular groove (21) and an annular tooth (22) on whose surface there are three portions annularly arranged relative to the central axis (4), consisting of a tip portion (29) and two outer lateral faces (30, 31) which are laterally positioned on opposite sides of the tip portion (29). 3. The capsule according to claim 2, wherein the annular tooth (22) is positioned in a position radially further from the central axis (4) than the annular groove (21). 4. The capsule according to claim 3, wherein the inner lateral face (24) of the surface of the annular groove (21) which is radially furthest from the central axis (4) corresponds to the outer lateral face (31) of the surface of the annular tooth (22) closest to the central axis (4). 5. The capsule according to claim 1, wherein at least the annular groove (21) can be elastically or plastically deformed at least at one of the respective inner (24, 25) and/or outer (30, 31) lateral faces. 6. The capsule according to claim 2, wherein at least the annular groove (21) can be elastically or plastically deformed at least at one of the respective inner (24, 25) and/or outer (30, 31) lateral faces. 7. The capsule according to claim 3, wherein at least the annular groove (21) can be elastically or plastically deformed at least at one of the respective inner (24, 25) and/or outer (30, 31) lateral faces. 8. The capsule according to claim 4, wherein at least the annular groove (21) can be elastically or plastically deformed at least at one of the respective inner (24, 25) and/or outer (30, 31) lateral faces.
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