Tetra Laval Holdings & Finance S.a.

Tetra Laval Holding & Finance S.a.

Luca Poppi

Paolo Benedetti

Filippo Ferrarini

Tommy Nilsson

Anders Kristiansson

Kurt Holm

Werner Haag

Lars-Åke Näslund

Benno Zigerlig

Lars Åke Näslund

Anna Eriksson

Toni Waber

Andrea Donati

Lars Ake Naslund

Stefano Boccolari

Lennart Friberg

Marco Lavalle

Guido Moruzzi

Eugenio Sighinolfi

Roberto Fontanesi

Eros Ferrari

Enrico Gasparini

Davide Vernazza

There is described a packaging apparatus for forming a plurality of sealed packages-comprising conveyor for advancing a web of packaging material along an advancement path, an isolation chamber, a tube forming device adapted to form a tube from the, in use, advancing web of packaging material, a sealing device adapted to longitudinally seal the tube, a support structure carrying at least the tube forming device, a filling device for continuously filling the tube formed by the tube forming device, a package forming unit adapted to form and seal the packages from the, in use, advancing tube formed by the tube forming device and filled by the filling device. The support structure comprises at least one support column at least indirectly carrying the tube forming device and extending parallel to the longitudinal axis of the tube forming device.

Packaging apparatus for forming sealed packages

A sterilization apparatus for sterilizing a web of packaging material advancing along a web advancement path-comprises an irradiation device for sterilizing the advancing packaging material web, a main shielding chamber housing the irradiation device and comprising an advancement channel having an inlet opening and an outlet opening and through which, in use, the packaging material web advances along the sterilization portion, an auxiliary shielding chamber upstream of the advancement channel along the web advancement path, the auxiliary shielding chamber having an inner space in fluid connection with the advancement channel and comprising an extraction opening allowing gas extraction from the auxiliary shielding chamber. An aspiration device generates a first flow of gas within the advancement channel from the outlet opening to the inlet opening and a second flow of gas from the inlet opening to the extraction opening.

Sterilization apparatus, packaging machine having a sterilization apparatus and a method for sterilizing

A packaging machine for producing sealed packages of a pourable product from a packaging material web advancing along a web advancement path comprises an isolation chamber separating inner and outer environments, and a sterilization apparatus for sterilizing the packaging material web and in fluid connection with the isolation chamber. The sterilization apparatus comprises a main shielding chamber housing an irradiation device and comprising an advancement channel having inlet and outlet openings, and through which, in use, the packaging material web advances, and first and second auxiliary shielding chambers having respectively first and second inner spaces fluidically connected to the advancement channel. A pressure control controls a first pressure in the first auxiliary shielding chamber, a second pressure in the second auxiliary shielding chamber and a third pressure in the isolation chamber, the third pressure being higher than the second pressure and the second pressure being higher than the first pressure.

Packaging machine and method for producing sealed packages

There is described a packaging apparatus for forming a plurality of sealed packages comprising a conveyor for advancing a web of packaging material along an advancement path, an isolation chamber, a tube forming device adapted to form a tube from the, in use, advancing web of packaging material, a sealing device adapted to longitudinally seal the tube, a filling device for continuously filling the tube formed by the tube forming device, a package forming unit adapted to form and seal the packages from the, in use, advancing tube formed by the tube forming device and filled by the filling device and a support platform supporting the isolation chamber from a first side of the support platform and carrying the package forming unit from a second side of the support platform opposite to the first side.

A method for assembling an electron exit window of an electron beam generating device comprises arranging a foil support plate on a housing of the electron beam generating device, bonding a window foil to a frame along at least one continuous bonding line, thus creating an exit window sub-assembly, and attaching the exit window sub-assembly onto the housing.

Method for assembling an electron exit window and an electron exit window assembly

An electron exit window foil for use with a high performance electron beam generator operating in a corrosive environment is provided. The electron exit window foil comprises a sandwich structure having a film of Ti, a first layer of a material having a higher thermal conductivity than Ti, and a flexible second layer of a material being able to protect said film from said corrosive environment, wherein the second layer is facing the corrosive environment.

Electron exit window foil

An electron beam sterilization unit for processing food packaging material, the unit having a frame; at least one electron beam emitter fitted to the frame, along the path of the material for processing, and having a flange for connection to the frame; and a locking device, which is fitted to the frame, and has thrust devices for exerting a lock force on the flange in a given first direction, and for locking the emitter, with respect to the frame, in a given work position, and actuating devices for activating the thrust devices and which are defined by toggle devices.

Electron beam sterilization unit for processing food packaging material

The present invention refers to a method for arranging a window foil to an electron exit window assembly of an electron beam generating device, comprises the steps of: arranging a foil support plate on a housing of the electron beam generating device, bonding a window foil to the foil support plate along a continuous bonding line, attaching a skirt of said window foil extending radially outside of the bonding line to the housing along a continuous attachment line. The invention also relates to an electron exit window assembly of an electron beam generating device.

The present invention refers to a method for assembling an electron exit window of an electron beam generating device, comprising the steps of: arranging a foil support plate on a housing of the electron beam generating device, bonding a window foil to a frame along at least one continuous bonding line, thus creating an exit window sub-assembly, and attaching the exit window sub-assembly onto the housing. The invention also relates to an electron exit window assembly.

A device for fastening an emitter to a housing comprises a manoeuvre element slidable in a first direction, an activating element slidable in a second, fastening direction that is inclined in relation to the first direction, with the first and second elements are interconnected via at least one cam mechanism. In addition, a fastening element is slidable in the second direction, wherein the activating and fastening elements are interconnected via at least one elastic element. The fastening element is adapted to move, in response to displacement of the manoeuvre element in the first direction, between a fastening position in which it produces a fastening force onto the emitter and an open position in which the fastening force is released.

Device for and method of fastening an emitter

The invention refers to a method and device for ventilating a device for electron beam irradiation of a web (W), the method comprising the steps of: providing a first chamber () comprising a web inlet opening () and a web outlet opening () and a web outlet opening (), providing a second chamber () extending inside the first chamber (), the second chamber () comprising a a web inlet opening (), a web outlet opening (), and an electron exit surface () through which electrons are adapted to be emitted into the second chamber (), passing the web (W) through the second chamber (), and creating a flow of a gaseous fluid through both the first and second chambers () in a direction opposite the direction of travel of the web (W) by supplying said fluid into the web outlet opening () of the first chamber () and providing at least one outlet ().

Method and device for electron beam irradiation

The present invention concerns a device for fastening an emitter to a housing comprising a first, manoeuvre element () being slidable in a first direction (, B), a second, activating element () being slidable in a second, fastening direction () being inclined in relation to said first direction (, B), whereby the first and second elements () are interconnected via at least one cam mechanism (). Moreover, the device further comprises a third, fastening element () being slidable in the second direction (), whereby the second and third elements () are interconnected via at least one fourth, elastic element (), whereby the third element () is adapted to move, in response to displacement of the first element () in said first direction (, B), between a fastening position in which it produces a fastening force onto said emitter () and an open position in which the fastening force is released.

The present invention refers to a device for electron beam irradiation of at least a first side of a web, the device comprising a tunnel through which the web is adapted to pass, said tunnel being provided with a web inlet portion, a web outlet portion and a central portion adapted to receive at least a first electron beam emitter provided with an electron exit window through which electrons are adapted to be emitted into the tunnel. The tunnel is being angled at least two locations in each of the inlet portion and the outlet portion in such a way that any X-ray formed during the electron beam irradiation of the web is forced to hit the tunnel wall at least twice before exiting the tunnel.

Device and method for electron beam irradiation

A device () for treating a packaging material () by means of UV radiation, the device having a source () of such radiation, and a protective screen () interposed between the source () and the material () for treatment; the screen () has a film () of a polymer resistant and permeable to UV radiation, and which is flexible, does not tear, and does not form fragments.

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Formigine, Italy

Luca Poppi