Abstract: A machine for the treatment of liquid and semi-liquid food mixtures comprises a mixture whipping and freezing/heating tank (3), a circuit (6) for cooling and/or heating basic products of which the mixture consists, comprising a compressor (7) driven by an electric motor (18), and a mixer (4) rotating inside the tank (3) to mix the basic products. The machine also comprises a control unit (11) for the speed of rotation of the compressor (7) electric motor (18), for regulating the compressor operating speed and varying the thermal power supplied by the compressor (7) according to at least the quantity of mixture treated.

Abstract: A machine for making and dispensing frozen food products such as crushed-ice drinks, sorbets and the like comprises a tank (3) for containing and processing the product to be dispensed, a dispensing tap (4) located close to the bottom of the tank (3), a motor-driven mixer element (11) and an evaporator (12) of a refrigerating circuit, the latter two items being housed inside the tank (3); the tank (3) has a lower chamber (5) and an upper chamber (7) which are separated from each other by a bottom wall (19) of the upper chamber (7); the lower chamber (5) houses the mixer element (11) and the evaporator (12), whilst the upper chamber (7) forms a well communicating with the lower chamber (5) so as to feed the latter; the substantially cylindrical lower chamber (5) is delimited by a wall (8) having at least one longitudinal rib (26) extending towards the inside of the lower chamber (5) and located in a position opposite and close to the unit consisting of the mixer element (11) and evaporator (12) assembly.

Abstract: A machine (1) for making and dispensing frozen food products such as crushed-ice drinks, sorbets and the like comprises a tank (3) for containing and processing the product to be dispensed and a tap (4) whose dispensing duct (17) is connected to a discharge hole (15) which is made in the front wall (10) of the tank (3); the tap (4) in turn comprises a plug (19), able to move between a position (A) in which the duct (17) is open, allowing the product to be dispensed through the duct (17), and a position (C) in which the duct (17) is closed, preventing the product from coming out through the duct (17); when the plug (19) is in the closed position (C) it is coaxially inserted in a sealed fashion in a cylindrical tubular portion (17a) of the duct (17) extending longitudinally starting from the discharge hole (15) in a direction at a right angle to the front wall (10) of the tank (3).

Abstract: Method for the production of sealing elements on plastics articles. Said method includes the step of producing a film of silicone rubber on the sealing surface of the article. Advantageously, this film is formed by co-moulding or co-extrusion with the plastics article itself. The thickness of the said film may vary from a few tenths of a millimeter to a few millimeters. In the case of cylindrical elements, such as the pistons of the delivery cocks of ice cream machines, this film preferably covers only the side wall or the sealing part of the side wall of the cylindrical element, while in the case of flat elements, this film covers only the sealing surface of this element.

Abstract: A machine for making ice-cream products comprises at least a motor operatively connected to a rod-shaped element so as to drive the rotation of the latter about its own axis of extension, grip means for moving the motor and/or the rod-shaped element at least along the axis of rotation of the rod-shaped element so that the rod-shaped element is at least partly immersed in a containment tank. The machine comprises means for activating the motor, preferably contact sensors, positioned on the grip means.

Abstract: The machine for heating and dispensing liquid or semi-liquid food products comprises a tank for containing a product to be dispensed, a central body supporting the tank, a tap for dispensing the product from the tank, stirring means for mixing the product in the tank, and a boiler for heating a predetermined quantity of water.

Abstract: A machine for producing and dispensing liquid and semi-liquid consumer food products such as ice creams, whipped cream, yogurt and the like comprises a container for a basic product of the consumer food product, a feed and treatment circuit for the basic product, comprising a feed pump, dispensing means positioned at an outfeed end of the feed and treatment circuit, and a device for checking the bacterial load of the product during production/dispensing; an electronic control unit controlling and regulating the various steps for measuring the bacterial load.

Abstract: A machine for making ice-cream products comprises a whipping and freezing unit with a horizontal axis, an inspection door connected to one end of the whipping and freezing unit to allow access to the inside of the unit. The inspection door has a dispensing hole so that the whipping and freezing unit can be put in fluid communication with the outside environment and a dispensing door for selectively opening and closing the dispensing hole. The dispensing door comprises a separator, having an opening, able to rotate relative to the inspection door so that the dispensing hole is selectively opposite the opening and allows controlled dispensing of ice-cream products from the whipping and freezing unit.

Abstract: The disposable agitator for mixed food products has an elongated stem, which has, at a longitudinal end, an agitator blade having the shape of a spoon, and can be removably fixed to the rotary shaft of a mixer, so that the consumer can subsequently use the agitator as a utensil for eating the product previously mixed; the agitator has at least one longitudinal rib, projecting transversally from the stem and/or from the agitator blade and at the same time acting as an agitator stiffening element and an active element in the mixing action.

Abstract: A machine for making two different types of product consisting respectively of ice creams and of shakes, comprising: a main processing circuit for making the ice cream, having an infeed end associated with a tank for containing a product to be processed and an outfeed end associated with a mixing chamber; an auxiliary processing circuit for making the shake, having an infeed end associated with a tank for containing a diluting liquid and an outfeed end associated with the mixing chamber; dispenser means positioned at the mixing chamber dispensing the ice cream or the shake; and means for selecting the type of product, equipped with at least a first and a second nozzle, there being the possibility of associating each nozzle with the mixing chamber in a corresponding condition for dispensing of the ice cream or the shake.

Abstract: Combined machine for the production of both ice cream and shakes, comprising a refrigerating unit, a freezing chamber (3) equipped internally with a stirrer, a tank (6) for the liquid ice cream mixture supplied into the freezing chamber (3), and a 5 dispensing hatch which closes the front end of the freezing chamber (3).

Abstract: A machine for producing and dispensing ice cream, in particular ice cream frappes or shakes comprises a shake production unit connected to a product dispensing device and sensor means for measuring the quantity of shake dispensed; the sensor means comprise at least one emitter of at least one laser ray passing through a container for collecting the shake dispensed having at least one window transparent to the laser ray; the latter is interrupted by the shake present in the container when it reaches a predetermined level, interrupting shake dispensing.

Abstract: Hatch with dispensing piston for ice cream making machines, characterized in that it comprises at least one cylindrical seat with a vertical axis communicating by means of a radial duct with the freezing cylinder and housing, in a manner rotatable about its axis, a cylindrical sleeve provided with a radial hole and with operating means for aligning in a first portion said hole with the outlet of the radial duct connected to the freezing cylinder, while in a second position this cylindrical sleeve closes off the connection with the freezing cylinder, said sleeve having mounted inside it in an axially slidable manner a dispensing piston, the bottom of said second cylindrical seat being closed off by a base element provided with a plurality of openings suitably shaped for extruding the ice cream. This hatch may be in the form of a single or double hatch.

Abstract: An automatic machine for producing and dispensing semi-liquid foodstuffs, in particular ice creams, has a tank for containing a basic product to be processed to obtain the ice creams, a basic product feed and processing circuit, in communication with the tank to draw out the basic product, one or more dispenser taps positioned at an outfeed end of the feed and processing circuit, actuators for operating the dispenser taps, a check and control unit for the actuators and at least one sensor for detecting the quantity of ice cream dispensed, associated with the control unit and designed to detect at least part of the profile of the ice cream dispensed.

Abstract: A method for producing a freezing chamber, a so-called whipping and freezing chamber, in ice cream making machines, comprises a step of producing a helical path between an inner cylinder and an outer cylinder, a step of producing a first flange and a second flange for closing the opposite ends of the helical path; in the method said steps occurring simultaneously and being carried out by means of the same working step.

Abstract: A machine for producing and dispensing ice cream frappés or shakes comprises a unit for producing neutral ice cream and a unit for mixing the neutral ice cream with a flavoring syrup; the mixing unit consists of a cylindrical chamber leading into a truncated cone-shaped chamber with a rotor which whips and mixes the neutral ice cream with the flavoring syrup; a piston slides in the cylindrical chamber, dosing the ice cream and the syrup, which is fed into the cylindrical chamber by feed means comprising a syrup container, a hose, a peristaltic pump acting along the hose and a lip valve; the hose and the peristaltic pump being positioned in the machine base.

Abstract: In a machine for producing and dispensing liquid and semi-liquid consumer food products, for example creams, sauces and ice creams, there is a container for the product and means for heating it, the heating means comprising an electromagnetic circuit, for example of the ohmic type, whose resistive component is the product itself.

Abstract: Piston device for dispensing ice cream, for ice cream machines of the “instant” type, comprising a whisking cylinder (1) closed by a hatch (3) having an aperture (603) communicating with the said whisking cylinder (1).

Abstract: A machine for producing and dispensing liquid and semi-liquid consumer food products such as ice cream, whipped cream, yogurt and the like, comprises a container (3) for a basic product of the consumer food product, a feed and treatment circuit (4) for the basic product comprising a feed pump (8), dispensing means (11) positioned at an outfeed end of the feed and treatment circuit (4), and a washing device (18) used to introduce, in alternate steps, into the circuit (4) a flow of fluid in the liquid state or in the steam state to allow feed and treatment circuit (4) washing and sanitizing. There is a central processing unit (32) which controls and regulates the various washing and sanitizing steps.

Abstract: The dispenser (1) for ice drinks and the like comprises a tank (2) for containing the drink, and having a respective outlet hole (4) and a dispensing tap (5) in fluid communication with the outlet hole (4); the dispensing tap (5) comprises a tubular conduit (14) leading to the hole (4) and a plunger (7) that slides along an axis (B) inside the tubular conduit (14) comprising a downwardly extended portion (11) whose transversal dimension along its full length is at least greater than that of the portion (10) of the tubular conduit (14) and in which the plunger (7) does not slide as it moves along the axis (B).