The invention concerns pack (1) with an inner volume (2) in which a food or beverage ingredient (7) is stored and in which a beverage is produced when water is introduced inside, said inner volume (2) being defined by two sheets of material (10) joined to one another at their edges and said inner volume (2) presenting a generally plane shape defining a plane (P) vertically oriented during beverage production, said pack comprising at least one inlet (3) for introducing water in the inner volume and at least one outlet (4) for delivering the beverage from said inner volume, the water inlet (3) and the beverage outlet (4) being included in one single insert (5), said single insert (5) being positioned at the bottom of the pack and being partially positioned between two joined edges of the sheets of material (10), said water inlet (3) being closed by one sheet of material (10) defining the inner volume (2), wherein the single insert (5) comprises a centering hole (53) extending essentially perpendicularly to the generally plane (P) shape of the inner volume. The invention also concerns a machine for preparing a beverage from the pack.

Fast-uncoupling shower screen for espresso coffee machines having a circular support dish provided with holes, a flow restrictor disposed under the circular support dish, and an elastically deformable retention element, whereto the flow restrictor is fitted in snap-in coupling mode because of the elastic deformability of the retention element.

The invention concerns filter holder for coffee machines comprising a substantially cylindrical body, inside which a perforated filter (14) is provided, the cylindrical body forming a cup-shaped container (12) for containing coffee powder, the filter holder (10) further comprising identification means for identifying the type of filter holder (10), characterized in that said identification means for identifying the type of filter holder (10) comprise at least one diametral magnet whose diametral orientation can be detected outside the filter holder (10). The invention further concerns a coffee machine and a grinder for coffee beans usable with the filter holder (10).

A filter holder including a housing with a bottom and an aperture through the bottom; a valve with a stopper for opening and closing the aperture, the stopper supported by a pivoting arm and biased towards a closed position; a cam arranged between the bottom and the pivoting arm, and having a cam profile co-acting with the pivoting arm, and being biased towards a first position wherein the cam profile prevents closing of the stopper and having a second position wherein the cam profile allows closing of the stopper; a slider which co-acts with the cam to move the cam from the first position towards the second position. The slider is biased in an inactive position and is moved towards an active position by co-action with a locking ring whereto the filter holder is attached. The slider when moved towards the active position pushes the cam towards the second position.

A brewer system includes a reservoir, a steeping chamber movable relative to the reservoir and positioned over a mouth of the reservoir, and a filter tape positioned between the chamber and the reservoir. Brewing substance and water are added to the chamber and can be controllably agitated using a controllable gas pump coupled to the reservoir to form a brewed beverage. The brewed beverage can be drawn through the filter tape and into the reservoir through the mouth under the influence of a controllable vacuum pump coupled to and controllably communicating with the reservoir.

A coffee machine includes a filter holder intended to contain at least one coffee dose, a dispensing unit with dispensing nozzles intended to send a flow of hot water on the coffee dose, a water system provided with a pump to supply pressurized water towards the dispensing nozzles, a heater to heat the water to be supplied to the dispensing nozzles, a dispensing valve to enable/disable the supply of hot water towards the dispensing nozzles, and a pre-infusion valve disposed upstream the dispensing valve. The pre-infusion valve is set in such a way as to operate in pulsed mode for a pre-infusion time of at least 4 seconds, with opening and closing time equal to or lower than 1 second.

The device for introducing a filter-holder into a coffee dispenser, comprising a cup-shaped container inside which is housed a perforated filter for containing the coffee powder and from which a handle projects, said cup-shaped container having two tabs arranged to engage in a connection element connected to the coffee machine, characterized in that said connection element comprises sliding means inside which said tabs of said cup-shaped container engage sliding along a straight path.

An espresso coffee extraction device includes an extraction piston driving unit having an extraction piston that, when coffee particles are supplied to a two-way cylinder via a coffee bean grinder to extract espresso coffee automatically, descends and injects hot water into the coffee with a strong pressure, thereby generating coffee liquid. A two-way cylinder driving unit moves leftward/rightward, continuously extracts coffee via a coffee extraction filter unit, and discharges coffee remnants to the outside after the extraction when the extraction piston ascends. The extraction device enables fully automatic extraction of coffee having the same quality as espresso extracted by baristas manually. The extraction device can be used with various types of expresso extractors as the main device of various types of fully automatic espresso extractors for use in factories, coffee shops, restaurants, homes, and offices, thereby enabling anyone to use the same conveniently and extract high-quality coffee.

An espresso coffee dispensing machine includes a preheating boiler with temperature control, at least one hydraulic pump, and at least one dispensing assembly with systems for heating and temperature control of the water. The machine includes at least one balance for weighing the ground coffee in a filter and the dispensed product. Manual or electronic components for controlling the thermal power delivered within the preheating boiler and by the dispensing assembly are also included in the dispensing machine. The machine performs, following a rise in the temperature of the water, a pre-infusion and a post-infusion at constant pressure and for a preset volume of water calculated via a volumetric meter. Between pre-infusion and post-infusion, a brewing or infusion at constant pressure occurs wherein a presettable water volume is dispensed following calculation of the weight of the ground coffee in the filter and the product dispensed according to a brew ratio.

In a method and an associated brewing apparatus for preparing a hot beverage, in particular a coffee beverage, a quantity of a flavoring source, in particular coffee powder, is introduced into a brewing chamber and then, in a brewing operation, a predeterminable overall quantity of brewing water is passed through the brewing chamber under pressure, in order to enhance the taste quality of the freshly brewed coffee beverages or at least to increase the consistency of the taste. During the brewing operation, a value for the volume flow of the brewing water upstream or downstream of the brewing chamber, and/or for the quantity of the brewing water which has already been passed through, or is still to be passed through, is determined continuously, or at least a number of times, and a controllable backpressure valve downstream of the brewing chamber is activated in accordance with the value determined. The backpressure valve is a motor-operated needle valve which the controller opens wider or closes by activating a corresponding drive motor.