Tetra Laval Holdings & Finance Patente

A filtration system (100) comprising a membrane arrangement (102) comprising membrane housings (104) extending in a first direction (A) and having openings (106) that are located in a common plane (109) and face a common area (108), and membranes (110) arranged inside the membrane housings (104) and configured to be replaced via the openings (106), and a lifting arrangement (112) comprising a support frame (114) having a beam (116) that extends along the common plane (109) and is provided vertically above the common area (108), and a gripper unit (118) slidably attached to the beam (116) and arranged to grip the membranes (110) and transport the membranes (106) in a direction (B) along the common plane (109).

A method (400) of classifying a package (102) based on stiffness of the package (102), wherein the package (102) comprises carton and is filled with food product, said method comprises applying (402) a force (F1) on the package (102), retrieving (404) a sample value by measuring (414) a deformation of the package (102) caused by the force (F1), determining (406) a difference (408) between the sample value and a reference value, and classifying (408) the package (102) as belonging to a first category if the difference is within a threshold interval, otherwise classifying (410) the package (102) as belonging to a second category.

A device (20) for reducing presence of microorganisms on a web material (12), for example in a system for manufacture of packages, comprises a housing (21) that defines an interior space, and a microorganism mitigation arrangement in the interior space. Inlet and outlet ports (24) are arranged on the housing to allow the web material (12) to move along a travel path through the interior space between the inlet and outlet ports. The inlet and outlet ports (24) are elongated and comprise a respective seal (24') that defines an elongated slit (24") for flexing engagement with the web material (12). The device further comprises a spacer (201), which is arranged in the elongated slit (24") of one of the inlet and outlet ports (24) to reduce engagement between the seal (24') and the flat surfaces (12") of the web material (12) at one of its longitudinal edges (12').

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The present invention relates to a packaging machine (100) configured to fill packages with a liquid food product. The packaging machine comprising: a feed unit (110) configured to feed packaging material to be formed to packages to be filled or to feed packages to be filled; and a packaging disinfection station (120) configured to disinfect the packaging material or the packages. The packaging disinfection station comprising: a spray nozzle (124) configured to distribute an aerosol onto the packaging material or onto the packages; a hydrogen peroxide supply (122) configured to supply a liquid comprising hydrogen peroxide to the spray nozzle; and an ionizer (126) configured to ionize hydrogen peroxide of the aerosol before the aerosol is distributed onto the packaging material or onto the packages. Also a packaging disinfection station (120) configured to disinfect a package to be filled with a liquid food product is presented. Further, a method for filling a package with a liquid food product during which method disinfecting an interior of the package with hydrogen peroxide is presented.

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There is described a compressor device (13) for a pressurization system (12) of a packaging machine (1) configured to produce packages (2) starting from a tube (3) of packaging material, the compressor device (13) comprises an impeller (16) and a casing body (17) internally defining an impeller vane (18) and a receiving seat (19) for the impeller (16), the impeller (16) and the receiving seat (19) are separated by a gap (24) which fluidically connects the impeller vane (18) with an external environment (50) outside of the compressor device (13) for allowing the passage of air in overpressure from the impeller vane (18) through the gap (24) and towards the external environment (50); the compressor device (13) comprises a seal member (25) arranged at said gap (24), the seal member (25) is configured to be controlled in: an opening position, in which it delimits a passage together with said impeller (16) or said receiving seat (19) for allowing the passage of air in overpressure through the gap (24); and a closing position, in which it fluid-tightly seals the gap (24).

There is described a linear motor system, comprising:- a track (1);- at least one movable member (2) coupled to the track (1) and configured to move along said track (1), the at least one movable member (2) comprising:- a first element (20),- a second element (21), relatively movable with respect to the first element (20), and- at least one movement detector (22) configured to transmit a movement signal (M), wherein the movement detector (22) comprises at least one magnet (226) positioned at one of the first (20) or second element (21), and at least one magnetometer (224) positioned at the other of the first (20) or the second element (21); and- a processing unit (5, 23), configured to calculate a movement of the second element (21) with respect to the first element (20) as a function of the movement signal (M) received from the movement detector (22).

The present invention relates to a system (100) and a corresponding method (200) for producing a UHT milk product (MP) by direct UHT heating. The method (200) comprises feeding (220) milk (M) into a heating device (110), heating (230) the milk (M) by the heating device (110) to increase a temperature of the milk (M) to a first temperature within a range of 135 to 137° C, maintaining (240) the milk (M) inside the heating device (110) at the first temperature for a first time within a range of 30 to 120 sec, feeding (260) the heated milk (M) into a homogenizing device (120), and homogenizing (270) the heated milk (M) by the homogenizing device (120), thereby producing the UHT milk product (MP).

A pump (100) for pumping a liquid food product (F), the pump (100) comprising a housing (30), an impeller (14) arranged to rotate inside the housing, a star wheel (12) arranged to be driven by the impeller, and a base unit (10) to which the star wheel (12) is connected, the base unit being movable in a longitudinal direction (H), from a closed position (P1), to an open position (P2). An adjustment device (60) is configured to adjustably set a position of the base unit in the longitudinal direction (H) to thereby, when the base unit is in the closed position, provide in the longitudinal direction (H) a predetermined adjusted distance (D) between the impeller and the star wheel and/or between the impeller and the base unit.

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