Tetra Laval Holdings & Finance Patente

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It is disclosed a control device (1) for controlling the operational efficiency of an irradiation beam emitting device (2), wherein the irradiation beam emitting device (2) comprises a vacuum chamber (13), a filament (4) configured to emit electrons by thermionic effect, when heated, a first electrical conductor (6) and a second electrical conductor (5), said filament (4), first conductor (6) and second conductor (5) being placed inside the vacuum chamber (13),the control device (1) comprising:- a power supply (9) connectable to the filament (4), to the first conductor (6) and to the second conductor (5) to supply power to the filament (4), to the first conductor (6), and to the second conductor (5);- a sensing unit (11) comprising at least a first sensor (7) configured to detect at least an electric parameter associated to a current flowing through the first conductor (6), defined as ionization current (IC), and a second sensor (8) configured to detect at least an electric parameter associated to a current flowing through the second conductor (5), defined as an emission current (EC);- a control unit (10) coupled to the sensing unit (11) to receive the detected electric parameters and to the power supply (9) and further configured for actuating a main control mode (F1) of the status of the irradiation beam emitting device (2) comprising:- adjusting the power supply (9) to apply on the filament (4) a predetermined current to emit electrons;- adjusting the power supply (9) to apply a predetermined voltage on the first conductor (6);- adjusting the power supply (9) to apply a predetermined voltage on the second conductor (5);- deriving at least a status parameter representing an operational efficiency of the irradiation beam emitting device (2) as a function of the detected electric parameter associated to the ionization current (IC) and of the detected electric parameter associated to the emission current (EC).

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There is described a package-spout assembly having a package (2, 2''') having a pour opening surface area (8) and a reusable spout (3, 3', 3", 3'''). The package (2, 2''') comprises a first fastening device (13) being arranged adjacent to the pour opening surface area (8) and the spout (3, 3', 3", 3''') comprises a second fastening device (18). The first fastening device (13) and the second fastening device (18) are configured such to removably and/or releasably couple the spout (3, 3', 3", 3''') onto the package (2, 2''').

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A system (100) for treating a clean-in-place, C!P, liquid is disclosed. The system (100) comprises a spent CIP tank (120) configured to provide a spent CIP liquid (C1), the spent CIP liquid (C1) comprising residues (R), a water source (110) configured to provide water (W), the water (W) comprising calcium (C), a filtration unit (130), arranged downstream the spent CIP tank (120) and the water source (110), and a recovered CIP tank (140), arranged downstream the filtration unit (130), characterized in that the filtration unit (130) is configured to receive the spent CIP liquid (C1) from the spent CIP tank (120) and the water (W) from the water source (110), to remove the residues (R) and calcium (C) from the spent CIP liquid (C1) and the water (W) to obtain a recovered CIP liquid (C2), and to output the recovered CIP liquid (C2) and the water (W) to the recovered CIP tank (140).

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A method (S100) for producing a web (118) of packaging material is disclosed. The method (S100) comprises providing (S102) a carton-based web provided with a first side (120) and a second side (122), and printing (S104) décors (200a-b) on the first side (120) of the carton-based web by using a printing plate cylinder (112) having at least two subsequently placed printing plates (114a-d) attached thereto, wherein the at least two printing plates (114a-d) have different printing patterns (202a-b) such that sequences (206a-b) of sections (204a-c) of the web (118) with different décors (200a-b) are provided, wherein each section of the web (118) is arranged to be transformed into a package (500) filled with food product in a roll-fed filling machine (600).

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There is described a digital printing apparatus (5) for a packaging machine (1) producing packages (2) comprising a control unit (6) for controlling the digital printing apparatus (5), a conveying device (7) and a digital printing unit (8). The conveying device (7) comprises a planar motor (10) having a plurality of carriers (11) configured to receive respective packages (2) at an inlet station (15) and to deliver the respective packages (2) to an outlet station (16). The digital printing unit (8) is arranged adjacent to the planar motor (10) at a printing station (17). The control unit (6) is configured to selectively control movement of the carriers (11) so as to selectively direct one or more carriers (11) to the printing station (17) and afterwards to the outlet station (17). The digital printing unit (8) is configured to print information and/or messages and/or decorations onto the packages (2) directed to the printing station (17) .

A method (700) for assessing quality of a longitudinal sealing (402, 502) in a roll fed packaging machine. The roll fed packaging machine comprises a packaging material receiver arranged to receive a web (104) of packaging material (202), wherein the packaging material (202) comprises an outer protective layer (204), an inner protective layer (206) and an intermediate strengthening layer (208), and wherein the web (104) has a first (302) and second (304) longitudinal side section, a strip receiver arranged to receive a protective strip (106), wherein the protective strip (106) has a first (306) and a second (308) longitudinal side section, a strip applicator (122) arranged to form a longitudinal strip sealing (502) by applying the protective strip (106) on the web (104) by heating the web (104) and the protective strip (106) and pressing the web (104) and protective strip (106) together and a strip application camera (108) arranged to capture strip application image data from a strip application area (310). The method comprises receiving (710) strip application image data of the strip application area (310), extracting (712) features from the strip application image data, wherein the features are related to effects of the heating provided by the strip applicator (122), determining (714) a strip application status by evaluating the features, wherein the strip application status relates to the quality of the longitudinal strip sealing (502), and transmitting (716) the strip application status, thereby providing a quality assessment of the longitudinal strip sealing (502).