Tetra Laval Holdings & Finance S.a.

Anders Kristiansson

Kurt Holm

Werner Haag

Lars-Åke Näslund

Hans Hallstadius

Luca Poppi

Benno Zigerlig

Lars Åke Näslund

Toni Waber

Lars Ake Näslund

Anders Hedse Olsson

Jan Andersson

Lars Ake Naslund

Ulrika Linné

Martin Eliasson

Mattias Henriksson

Håkan Möller

Lars ÅKe NÄSLUND

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

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.

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

An assembly of a support plate and an exit window foil for use in an electron beam generating device. The support plate is designed to reduce wrinkles in the foil. The foil is bonded to the support plate along a closed bonding line bounding an area in which the support plate is provided with a pattern of apertures and foil support portions alternately. When vacuum is created in the housing the pattern is adapted to form a topographical profile of the foil substantially absorbing any surplus foil. Another aspect involves a method in a filling machine for sterilizing a packaging material web.

Assembly and method for reducing foil wrinkles

The invention relates to a method for irradiating partly formed packages () with electron beam irradiation from at least one electron beam sterilizing device (), characterized in that it comprises: providing at least one partly formed package () to be irradiated in a gaseous environment, and exposing the gaseous environment to a pre-determined pressure regulation cycle and exposing the partly formed package () to irradiation at least during a portion of said pressure regulation cycle. The invention also relates to a device for realizing said method. The invention further relates irradiation of a packaging material web.

Method for irradiating objects

A sensor is adapted to sense the intensity of an electron beam generated by an electron beam generator and exited from the generator through an exit window along a path towards a target within a target area. The sensor comprises at least one area of at least one conductive layer located within the path and connected to a current detector. The area, or areas, of the at least one conductive layer are shielded from the surrounding environment and from the exit window (and from one another when there are more than one area) by a shield. The shield is formed on the exit window. The sensor forms a part of a sensing system.

Sensor and system for sensing an electron beam

The present invention refers to a sensor () for sensing an intensity of an electron beam generated by an electron beam generator along a path, the electron beam being exited from the generator through an exit window (). The invention is characterized in that the sensor () comprises a conductor () located within the path and exposed to the exit window (), and an insulating housing () for shielding the conductor (), said housing () being engaged with the exit window () forming a chamber () with said exit window (), and that the conductor () is positioned within said chamber (). The invention also refers to a system for sensing an intensity of an electron beam.

A method for sterilizing at least partly formed packages with electron beam irradiation in a packaging machine involves sterilizing each of at least two at least partially separate areas of the package by way of a respective electron beam sterilizing device, with each of the sterilizing devices being adapted to characteristics of each respective one of the two areas, and also performing a respective relative movement between the package and each of the electron beam sterilizing devices, which movements are adapted for the sterilization of each respective one of the two areas with the sterilizing devices.

Method of sterilizing packages

A detector is disclosed for sensing an intensity of an electron beam generated along a path. An exemplary detector includes an exposed conductor attached to a support which is configured to locate the exposed conductor within a path of an electron beam; a grounded conductor isolated from the exposed conductor, the grounded conductor partly surrounding the exposed conductor to form a plasma shield having a window positioned at least in a direction of the electron beam path.

Exposed conductor system and method for sensing an electron beam

A detector and method are disclosed for sensing an intensity of an electron beam. An exemplary detector includes a multilayer composite structure having a conductive core, an insulating layer formed on the conductive core, and an outer conductive layer electrically connected to a voltage potential and formed on the insulating layer. A support is configured to locate the conductive core in alignment with an electron beam generator, between an electron beam generator and a target area, and within a direct path of an electron beam to be generated by the electron beam generator.

Multilayer detector and method for sensing an electron beam

The disclosure relates to a system for monitoring and control in the sterilization of an object () which, for the purpose of sterilization, is electron irradiated from an electron radiation source () past which the object is led or conveyed. The system includes a detector (), a converter (), a generator (), a process control unit (), as well as an ejector mechanism () which is disposed to be activated for ejecting the sterilized object () on receipt of a negative comparison signal from the process control unit ().

System for monitoring and control in the sterilization of an object

In a method of sterilizing containers the container is first sealed and then subjected to electron irradiation. The ozone generated in this way is then retained in the closed container for the purpose of sterilizing the same.

Method of sterilizing closed containers

Method for sterilizing flowable product packages

The present invention relates to an electron accelerator which is employed for sterilizing packaging material and which is included as part of an aseptic packaging machine which is intitially sterilized by means of an oxidizing chemical sterilizing agent such as H.sub.2 O.sub.2 and steam. A 'window' of an electron accelerator, which is covered by metallic window foil, includes a thin coating of glass disposed on the window foil. The glass coating protects the window foil against chemical action such as oxidation resulting from the chemical sterilizing agent H.sub.2 O.sub.2.

Growing community of inventors

Lund, Sweden

Anders Kristiansson