Abstract: A capsule including a cup-shaped body with a protruding top flange, a lateral wall, a flexible bottom wall, and a flexible cover welded to the flange to define a sealed chamber containing ground roasted coffee. The coffee is compressed within the chamber to form a compact panel, and a vacuum is provided such that the cover moves towards the upper surface of the panel. Between the flange and the bottom wall, the lateral wall of the body has an annular step formation providing a local reduction in the cross-section of the chamber towards the bottom wall. This step formation is closer to the bottom wall than to the flange and provides a local reduction in the cross-section of the chamber of at least about 25%. The bottom wall of the body is deformable under the effect of the fluid introduced into the capsule, being displaced away from the cover.

Abstract: A dispensing assembly (30) for a machine for the preparation of liquid products using capsules includes: an injector device (50), for introducing into a capsule (10) water and/or steam under pressure; a capsule holder (40), facing the injector device (50) and designed to receive the capsule (10); and an actuation linkage (80), for causing displacements of the capsule holder (40) between a spaced position and a close position with respect to the injector device (50). The dispensing assembly (30) further comprises ejector means (70), which are designed to push the capsule (10) towards the outside of the capsule holder (40) according to the displacement of the capsule holder (40) towards its spaced position from the injector device (50). The ejector means (70) are mechanically constrained to the actuation linkage by means of a mechanical connection.

Abstract: A delivery assembly for a machine for preparing beverages via capsules (10) comprises: a support structure (2) bearing an injector device (40) for introducing a fluid into a capsule (10); a capsule-holder (50), mounted movable in the support structure (2); guide elements (52-54, 32-34) designed to enable the capsule-holder (50) to displace between a position distanced from the injector device (40) and a position approached to the injector device (40); an actuation kinematic arrangement (3-7), which can be operated for causing displacements of the capsule-holder (50) between the distanced position and the approached position; and a longitudinally extended ejector member (70), mounted movable on the capsule-holder (50) and designed to eject the capsule (10) on the outside of the capsule-holder (50) during displacement of the capsule-holder (50) from the approached position to the distanced position.

Abstract: A delivery assembly for a machine for preparing liquids product by means of cartridges includes: an injector device, to let water and/or steam under pressure in the cartridge, an infusion chamber, facing the injector device and capable of receiving one said cartridge, retention element, capable of maintaining the cartridge in a position substantially coaxial to the infusion chamber and the injector device. The retention elements comprise: a support element of the cartridge, sustained in a displaceable way by the injector device in a part thereof that generally faces towards the outlet passage; and guiding elements mounted in a fixed position at generally opposite side parts of the injector device, that frontally protrude from the injector device and are capable of laterally constraining the cartridge to guide it until a position substantially coaxial to the infusion chamber.

Abstract: The system comprises a capsule (1) which has first and second end walls (3, 2f) and an annular side wall (2e) and which contains a dose of a substance for preparation of the beverage, and a machine (M) comprising an infusion assembly (G) designed to receive a capsule (1) and having an inlet (30, 31) for supplying a flow of pressurized water to be introduced into the capsule (1), and a delivery outlet (14) for outflow of the beverage formed in the infusion assembly (G) towards a collecting container. The infusion assembly (G) includes a plurality of parts (10-12) which can be moved away from and towards each other and can be sealingly coupled together so as to define as a whole an infusion chamber into which the capsule (1) can be introduced. In at least one (11) of these parts (10-12) of the infusion assembly (G) there is provided a perforation device (21; 121) designed to perforate the capsule (1) arranged in the infusion chamber (20, 22).

Abstract: A delivery assembly for a machine for the preparation of liquid products using cartridges includes: an injector device, capable of introducing into the cartridge water and/or steam under pressure, an infusion chamber facing the injector device and capable to receive the cartridge, an actuation system, designed to cause displacements of the infusion chamber between a spaced position and a close position with respect to the injector device, a loading arrangement that includes an inlet passage and retention means, switchable between a retention condition and a release condition of the cartridge by means of displacements of the infusion chamber with respect to the injector device. The delivery assembly further includes ejector means, functionally distinct from the retention means and capable of pushing the cartridge towards the outside of the infusion chamber in function of the displacement of the infusion chamber towards its spaced position from the injector device.

Abstract: A machine for preparing liquid products via cartridges (10) comprises a delivery assembly (30) that includes at least: —one injector device (34), to introduce into a cartridge (10) water and/or steam under pressure; —an infusion chamber (31), facing the injector device (34) and designed to receive the cartridge (10); —an actuation system (35), designed to cause relative displacements between the injector device (34) and the infusion chamber (31), between a spaced position and a close position; —a loading arrangement that includes an inlet duct (40) and retention means (42, 47), which can be switched between a retention condition, where the cartridge (10) is kept in a position substantially coaxial to the infusion chamber (31) and to the injector device (34), and a release condition, where the cartridge (10) is free to fall towards an outlet passage (41) of the delivery assembly (30).

Abstract: The device comprises a body (2-4) having an inlet passage (7) and an outlet passage (18) for the liquid, and wherein there is defined an internal cavity (8) which by means of a movable intermediate member (9, 12) is divided into a first and second chamber (10, 11) which are sealingly separated from one another, preferably by means of a diaphragm member (9). The first chamber (10) is adapted to be put into communication with the inlet passage (7); a resilient member (15) is provided in the second chamber (11) and tends to urge the movable member (9, 12) towards the first chamber (10). The movable member (9, 12) has an associated valve member (16) interacting with an associated valve seat (17) in such a way as to form a valve device (16-18) defining a first orifice with a variable passage cross section between the inlet passage (7) and the outlet passage (18).