WO2014095937A1 - Dispositif et procédé pour stériliser et rincer des récipients - Google Patents

Dispositif et procédé pour stériliser et rincer des récipients Download PDF

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Publication number
WO2014095937A1
WO2014095937A1 PCT/EP2013/076997 EP2013076997W WO2014095937A1 WO 2014095937 A1 WO2014095937 A1 WO 2014095937A1 EP 2013076997 W EP2013076997 W EP 2013076997W WO 2014095937 A1 WO2014095937 A1 WO 2014095937A1
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WO
WIPO (PCT)
Prior art keywords
container
gas
containers
electron
sterilization
Prior art date
Application number
PCT/EP2013/076997
Other languages
German (de)
English (en)
Inventor
Josef Knott
Patrick Engelhard
Jürgen Söllner
Holger Müller
Hans Scheuren
Ute Franz
Original Assignee
Krones Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krones Ag filed Critical Krones Ag
Publication of WO2014095937A1 publication Critical patent/WO2014095937A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/087—Particle radiation, e.g. electron-beam, alpha or beta radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4252—Auxiliary operations prior to the blow-moulding operation not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/23—Containers, e.g. vials, bottles, syringes, mail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/42403—Purging or cleaning the blow-moulding apparatus
    • B29C49/42405—Sterilizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/42414—Treatment of preforms, e.g. cleaning or spraying water for improved heat transfer
    • B29C49/42416—Purging or cleaning the preforms
    • B29C49/42418—Purging or cleaning the preforms for sterilizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/08—Sterilising wrappers or receptacles prior to, or during, packaging by irradiation

Definitions

  • the present invention relates to a device and a method for lens rinsing with an electron source having an electron exit window at a distal end of an at least partially rod-shaped sterilization device, wherein at least one of the electron emission window having region of the sterilization device and in particular the distal end of the sterilization device in a sterilizing container can be inserted to sterilize the container by means of exiting and at least to sections of a container inner wall conductive electrons, wherein the sterilization device comprises a gas line, by means of which the electron emission window and / or a thermally conductive compound with this existing portion of the sterilization device acted upon by a cooling gas is.
  • Containers known in which electron beams are introduced into the interior of the container For many applications, a method has been found to be particularly advantageous in which the electron source is in the form of a finger or a lance, which can be introduced into the interior of the container. This makes it possible to bring the electron source closer to the surface to be sterilized and thus to reduce the required sterilization energy. This also results in advantages in the construction of systems that have such sterilization facilities, as well as the shielding of the environment with respect to the relatively low-energy radiation is already realized with less effort.
  • An example of a sterilization device for sterilizing workpieces made of a thermoplastic material in the production of blow-molded containers with a sterilizing unit which is at least partially in the form of a rod is shown in FIG.
  • Electron emitter during the blowing process in which a preform is expanded by gas pressure into the desired container shape, in inner model preforms or container is used to both sterilize and crystallize the material PET.
  • particulate impurities can be removed from a container or a preform by blowing in air or ionized air.
  • ionized air for particle removal is known, for example, from DE 10 140 906 A1. Any sterilization effect caused by the ionized air is not mentioned therein.
  • linear liners are used in the prior art, which are positioned in front of the oven and blow without injecting a finger or a lance particle-free air into the preforms.
  • the object of the present invention is to provide an apparatus and a method in which the removal of particles from the interior of a preform can be carried out in a process step with its internal sterilization.
  • the apparatus has a charge carrier source and in particular an electron source, which in turn has an electron exit window at a predetermined area and in particular a distal end of an at least partially rod-shaped sterilization device, wherein at least the region having the electron exit window, in particular the distal one End of the sterilization device is inserted into a container to be sterilized in order to at least partially sterilize the container by leaking and at least on sections of Be fiscalnisinnenwandung electronically, wherein the sterilization device comprises a gas line, by means of the electron exit window and / or with this in thermally conductive connection existing proportion of the sterilization device with a gas and in particular a cooling gas and in particular with cooling air bea It can be whipped, wherein the gas line - in particular downstream of the contact surface with the electron exit window and / or with this in thermally conductive connection existing portion of the sterilization
  • the gas which is used to cool the exit window is also used for the rinsing of the containers. It should be noted, however, that it is also conceivable to ionize a certain portion of the gas, which does not serve to cool the exit window, within the container by the exiting electron beam radiation and thus to use the lens. It would thus be possible for the device to have, in addition to the line for the cooling gas, also another gas line which is likewise guided into that area in which the charge carriers exit and the gas emerging from this gas line is ionized.
  • the conduit used for the cooling gas could have a further opening through which exits a predetermined proportion of the gas, but this portion is not even or only partially used for cooling, but for the rinsing.
  • the invention is suitable for preform germination by means of electron beams.
  • This process may include external sterilization of the containers as well as internal disinfection.
  • the external sterilization is carried out first and then the internal sterilization.
  • the latter is preferably carried out with finger emitters over which the container is guided.
  • Such a finger emitter can work in such a way that electrons generated from a filament, accelerated with a high voltage and passed over the finger.
  • a thin metal foil or an exit window in the environment for example, titanium may be used as the material for this exit window, preferably with a film thickness of between 3 and 30 ⁇ m, preferably between 5 and 20 ⁇ m, preferably between 6 and 15 ⁇ m.
  • a gas stream preferably consisting of filtered air is used, which is passed from the outside against the window.
  • Such a device has the advantage that the intensity of the energy required for the sterilization of the electron beams can be reduced compared to the prior art.
  • the introduction of the electron exit window into the interior of the container to be sterilized reduces the distance between the electron exit opening and the inner container surface to be sterilized by the application of electrons.
  • air is thus preferably passed over the exit window for cooling, thereby being ionized, then automatically deflected into the narrow preform and preferably conveyed out by the movement of the preform via the finger, in order to conclude particularly preferably via openings above the finger and to be deducted from the preform.
  • This method and the associated device should also be used for possible e-beam bottle solutions. It changes the dimensions of the finger and the necessary gas flows and pressures.
  • the advantages of the described system and method are that an existing process can be supplemented by simple modifications such that an additional rinser can be dispensed with.
  • the invention means a simplification of the overall line around the planned PreBeam plant and thus a cost optimization.
  • this device has the further advantage that by means of the cooling gas, the electron exit window can be cooled and thus its overheating and / or even damage can be prevented by the high-energy radiation.
  • this results in significant advantages in terms of wear of the device and maintenance intervals.
  • cooling gas is directed into the container interior, where it is at least partially exposed to the electron beam. This results in at least partial ionization of the cooling gas.
  • the ionized gas thereby inside the container causes particles and / or surface portions which are contacted by this gas to be sterilized.
  • the opening in the said cooling gas line is arranged such that the emerging from this opening cooling gas is acted upon by the emerging from the beam finger or from the radiation device charge carriers, esp. Electrons and is thus ionized by them.
  • the radiation device charge carriers esp. Electrons and is thus ionized by them.
  • cooling gas is first directed to the exit window and there is also ionized.
  • the cooling gas or a portion of the cooling gas, or gas in general it would also be possible for the cooling gas or a portion of the cooling gas, or gas in general, to pass through a separate orifice so that it can be ionized by the electrons and then strike the inner surfaces of the container.
  • the particle loading of the inner surfaces of a preform is directly related to the sterilization success by electron irradiation.
  • the lowest possible particle loading of the preforms can lead to a predefined degree of sterilization being able to be achieved more quickly and / or even at a lower radiation dose.
  • a gassing lance is introduced into a preform.
  • a gassing lance gassing nose
  • the gas may be introduced into the interior of the preform into which the lance has been introduced and flow in the direction of the opening of the preform.
  • particles or particulate impurities can be entrained with the gas stream and are thus removed from the preform.
  • the device has a discharge device for gases, by means of which the particle-laden cooling gases emerging from the container can be withdrawn from the container.
  • a discharge device for gases by means of which the particle-laden cooling gases emerging from the container can be withdrawn from the container.
  • Such a take-off device makes it possible to control the gas flow in a targeted manner and, if necessary, to be able to vary it.
  • a turbulent flow course can be particularly advantageous for detaching particles from the surface and converting them into the gas stream.
  • a laminar gas stream may be advantageous in order to lead the particles already transferred into the gas stream out of the container.
  • the draw-off device is not arranged in direct proximity to the outlet opening, but spaced from the distal end of the sterilization device, preferably above the electron exit window, is arranged. It can thereby be achieved that the cooling gas can escape from the outlet opening largely independently of the suction power.
  • the flow behavior in this area is determined largely by the shape of the outlet opening and the exit velocity.
  • the ionized cooling gas can be conducted through the form of outlet and / or extraction device and / or guide devices and / or by setting a desired flow velocity along a desired section of an inner surface of the container wall such that there are electrostatic interactions between Contaminant particles and the inner surface of Be bachelorniswandung reduced, canceled and / or prevented.
  • the flow behavior of the gas can be varied or adjusted in certain sections and thus the rinsing can be particularly effective.
  • the device has a device for rotating the preforms.
  • the dissolution of larger particulate units can be effected or supported.
  • the rotation does not have to be uniform, but may include a sectionally changed rotational speed, rotation interruptions and / or changes in the direction of rotation.
  • the gas used for the rinsing may be ionised air.
  • ionised air By delivering ionized air into the interior of the preforms, it is possible that even charged particles can be removed with the air flow. Due to the general availability, air is available as a gaseous medium. Ionized air can destabilize the forces acting between the charged particles and the preform inner surface and thus also remove charged particles comparatively easily and effectively.
  • the ionizable cooling gas is a carbon-containing gas.
  • the device is characterized in that it is arranged along a transport path of the containers upstream with respect to a forming device for the containers. This makes it possible to sterilize already preforms with their compared to the container formed therefrom in the forming process significantly lower inner surface, and so save energy.
  • the containers are preferably preforms, in particular preforms for bottles or other containers for holding liquid or pasty media, in particular from the food industry.
  • an apparatus for treating containers having a device as described above.
  • the device is arranged on a movable carrier and in particular on a rotatable carrier, wherein this carrier preferably also serves as a transport device for transporting the containers to be sterilized.
  • this carrier preferably also serves as a transport device for transporting the containers to be sterilized.
  • a plurality of holding devices for holding the containers may be arranged, for example, gripping elements which grip the containers in a mouth region.
  • a predetermined number of sterilization devices are arranged on this carrier, this number preferably being between 2 and 20, preferably between 2 and 10, preferably between 3 and 8.
  • a further subject matter of the present invention is a method for rinsing or rinsing (and in particular for rinsing by means of a gas) containers at least temporarily during sterilization of a container inner wall by means of an at least partially rod-shaped sterilization device comprising an electron source and an electron exit window at a predetermined area of the sterilization device and preferably at a distal end, wherein at least the electron exit window having region of the sterilization device is introduced into a container to be sterilized to sterilize the container by means of leaking electrons, the electron exit window and / or with this in thermal Conductive connection existing portion of the sterilization device is acted upon with a cooling gas, the gegla at least partially by means of a gas line
  • the gas in particular downstream of the contact surface with the electron exit window and / or the part of the sterilization device in thermally conductive connection, emerges from the gas line through a gas outlet opening in such a way that the exiting cooling gas is exposed to electrons emerging from the electron exit window and is i
  • the particle-laden cooling gases emerging from the container are conveyed by means of a Discharge device are at least temporarily withdrawn from the container.
  • a Discharge device is at least temporarily withdrawn from the container.
  • the particle-laden gases do not distribute uncontrollably, but follow predetermined flow paths.
  • the container opening was introduced by this in the interior, can be prevented by effective extraction of the gases deposition of particulate impurities become.
  • the gases are withdrawn from a withdrawal device spaced apart from the distal end of the sterilization device, which is preferably arranged above the electron exit window.
  • the electron beam finger is preferably introduced from above into an upwardly opened container and the electron exit window is directed downward.
  • the extraction device preferably remains outside of the container to thereby allow a gas flow over the entire inner surface of the container. More preferably, the suction closes flush and more preferably gas-tight to the opening of the container.
  • the containers are conveyed along a transport path of the containers after the rinsing to a forming device for the containers.
  • a transport path of the containers after the rinsing to a forming device for the containers.
  • the significantly reduced inner surface area compared to the molded container simplifies and shortens the sterilization process and also reduces energy consumption.
  • a variant of the method is preferred, which is characterized in that the ionized cooling gas by the form of outlet and / or extraction device and / or guide devices and / or by setting a desired Flow rate is directed along a desired portion of an inner surface of the Be bachelorniswandung that it reduces electrostatic interactions between contaminant particles and the inner surface of Be bachelorniswandung, repeals and / or prevents.
  • the recording of impurities particularly efficient via the flow behavior of the gas in certain sections.
  • turbulent flow patterns are particularly suitable for dissolving particles and / or liquids from the container surface, whereas laminar flows are advantageous for the transport of impurities already taken up.
  • the flow behavior of the (ionized) gas is changed at least once during rinsing.
  • FIG. 1 shows a schematic structure of a device for rinsing containers with an electron beam finger inserted into a container
  • Fig. 2 a variety of devices for Rinsen of containers
  • FIG. 1 shows a schematic structure of a device 1 for rinsing containers 2 with an electron beam finger 3 introduced into a container 2.
  • the electron source 4 also remains in the container 2 introduced electron beam finger 3 outside the container 2.
  • the accelerated electrons are via a suitable focusing 5 (shown schematically) are guided so that they are accelerated by the interior of the electron beam finger and at its distal end through an electron exit window 6 from the electron beam finger 3 into the Container 2 can occur.
  • the electron exit window 6 may be, for example, a titanium foil, a quartz window or another suitable material.
  • the electron exit window 6 is highly transparent to the accelerated electrons, it nevertheless strongly heats up due to the interaction with the accelerated electrons. This can lead to damage or even destruction of the electron exit window 6 in the longer term. To prevent this, a cooling of the electron exit window 6 is necessary.
  • a lateral feed 7 is provided for a cooling gas.
  • the amount of cooling gas supplied per time interval can be controlled by means of suitable valves 8.
  • the gas is conducted inside the electron beam finger 3 (e.g., by means of an intermediate housing or by lines extending in a longitudinal direction of the beam finger) to the electron exit window 6 where it can interact with and absorb and dissipate thermal energy therefrom.
  • the channel for the cooling gas in the electron beam finger 3 is not recognizable, since it runs in the interior of the side wall 9. Only after the cooling of the electron exit window 6 does the gas escape from the electron beam finger 3 and can interact with the electron beam (still shielded from the cooling gas inside the electron beam finger 3).
  • the gas After emerging from the electron beam finger 3, the gas flows as indicated by the arrows P1 and P2 into the interior of the container 2 and can there (at least partially) with accelerated electrons are acted upon. This results in at least a partial ionization of the gas.
  • the gas (whether ionized or not) can agitate and carry away particles inside the container.
  • the ionized portion of the gas can positively affect the cleaning of the container 2 in at least two ways. On the one hand, it is possible for the charge carriers (ie ionized gas molecules) to weaken and / or release binding electrostatic interactions between particles and the inner wall of the container due to their charge. This makes it much easier to transfer these particles into the gas phase and carry out with the gas flow.
  • the ionized gas molecules themselves can have a sterilizing effect, which could, for example, have a positive effect in the areas which can not be sufficiently exposed to the accelerated electrons.
  • the gas flows along the pressure gradient in the interior of the container 2 to its opening 10 and exits at this from the container 2.
  • openings 1 1 of a suction device 12 As shown in Fig. 1, above the container 2 and in the region of an upper portion of the electron beam finger 3 openings 1 1 of a suction device 12 is provided, through which the gas can be removed.
  • the resulting flow behavior is symbolically indicated by the arrows P3 and P4.
  • the pressure difference applied thereto and their distance from the container opening 10 the course of the flow and the flow rate can be varied.
  • the transport path for the containers is at least in the area of the supply and discharge devices 14, 15 and the devices 1 for rinsing inside a (sterile) atmosphere shielded from the environment.
  • these walls preferably limit a clean room or sterile room, which surrounds the transport path of the containers 2 during their sterilization.
  • a sealing device such as a so-called water lock
  • the containers supplied by means of the feed device 14 are received by the devices 1 for the rinsing of containers 2 by gripper elements 17.
  • the gripping elements 17 are designed to be movable in the vertical direction.
  • the required relative mobility between electron beam finger 3 and container 2 is ensured, even if the electron beam finger 3 is not moved in the vertical direction.
  • the electron beam finger 3 is designed to be movable and is introduced into a container 2 (not moved in the vertical direction). Likewise, a movement of both the electron beam finger 3 and the container 2 is possible.
  • the variant shown in the embodiment shown is usually easier to implement, since the comparatively large and heavy electron sources 4 need not be moved in the vertical direction. This also simplifies the supply of the cooling gas and the electrical voltage needed to accelerate the electrons.
  • a receptacle 2 accommodated by a gripping element 17 is pushed over a electron beam finger 3 from below during a rotation of the device 1 for the rinsing of containers 2 on the carousel 13 and is supplied with ionized gas as indicated above around the receptacle 2 rinsen.
  • a container to be rinsed e.g., a preform
  • the electron beam generated by the electron beam finger 3 simultaneously ionizes the air and sterilizes the container. 2
  • the sterilized containers 2 are transferred to the outlet star 15 and removed from it, for example, to a device for forming the containers 2.
  • the charge carrier emitter which is designed in particular as a beam finger, both for sterilizing the containers and for ionizing air.
  • the sterilization process of the containers described here is preferably a pre-sterilization. This means that a further sterilization is carried out in a further process step. In particular, a further sterilization of the inner wall of the containers is made after forming the plastic preforms to the plastic bottles.

Abstract

L'invention concerne un dispositif (1) destiné au rinçage de récipients (2) présentant une source d'électrons (4), qui présente une fenêtre de sortie d'électrons (6) en une zone prédéterminée et en particulier en une extrémité distale d'un dispositif de stérilisation (3) en forme de tige au moins dans certaines parties. Au moins la zone du dispositif de stérilisation (3) présentant la fenêtre de sortie d'électrons (6) peut être introduite dans un récipient à stériliser (2) en vue de stériliser le récipient (2) au moyen d'électrons sortants et pouvant être guidés au moins sur des parties d'une paroi interne du récipient. Le dispositif de stérilisation (3) présente une conduite de gaz (7) au moyen de laquelle la fenêtre de sortie d'électrons (6) et/ou une partie reliée de manière thermoconductible à celle-ci du dispositif de stérilisation (3) peut être soumise à un gaz de refroidissement. Selon l'invention, la conduite de gaz (7) présente une ouverture de sortie de gaz qui est conçue de manière telle que le gaz de refroidissement sortant peut être alimenté en électrons sortant de la fenêtre de sortie d'électrons (6) et est de ce fait ionisable, le gaz de refroidissement ionisé pouvant être guidé à l'intérieur du récipient (2) pour détacher, si nécessaire, des contaminations qui s'y trouvent de la paroi interne et les évacuer avec le flux gazeux du récipient (2).
PCT/EP2013/076997 2012-12-17 2013-12-17 Dispositif et procédé pour stériliser et rincer des récipients WO2014095937A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210112368 DE102012112368A1 (de) 2012-12-17 2012-12-17 Vorrichtung und Verfahren zum Rinsen
DE102012112368.3 2012-12-17

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WO2014095937A1 true WO2014095937A1 (fr) 2014-06-26

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WO2015144425A1 (fr) * 2014-03-24 2015-10-01 Tetra Laval Holdings & Finance S.A. Émetteur de faisceau d'électrons
WO2016113807A1 (fr) * 2015-01-14 2016-07-21 Hitachi Zosen Corporation Équipement de stérilisation par faisceau d'électrons ayant une unité stérile en place auto-générée

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EP1982920A1 (fr) * 2007-04-19 2008-10-22 Krones AG Dispositif de stérilisation de récipients
WO2009095182A2 (fr) * 2008-02-01 2009-08-06 Khs Ag Procédé et dispositif de stérilisation d'emballages et dispositif de remplissage et de fermeture d'emballages
EP2161202A1 (fr) * 2008-08-30 2010-03-10 Krones AG Stérilisation par rayonnement d'électrons pour récipients
US20110012032A1 (en) * 2009-04-30 2011-01-20 Michael Lawrence Bufano Electron beam sterilization apparatus
EP2589542A1 (fr) * 2011-11-02 2013-05-08 Krones AG Dispositif pour la stérilisation de récipients en plastique au moyen d'un rayonnement à électrons dirigé par un milieu
EP2601975A1 (fr) * 2011-12-08 2013-06-12 Krones AG Dispositif et procédé de stérilisation de parois intérieures de récipients à l'aide d'un dispositif réflecteur pour radiation électronique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2842579A1 (fr) * 2013-09-03 2015-03-04 Krones AG Procédé et dispositif de stabilisation de récipients doté d'un dispositif de nettoyage d'une fenêtre de faisceau
US9358312B2 (en) 2013-09-03 2016-06-07 Krones Ag Method and apparatus for the sterilization of containers with cleaning of a radiation outlet window
WO2015144425A1 (fr) * 2014-03-24 2015-10-01 Tetra Laval Holdings & Finance S.A. Émetteur de faisceau d'électrons
WO2016113807A1 (fr) * 2015-01-14 2016-07-21 Hitachi Zosen Corporation Équipement de stérilisation par faisceau d'électrons ayant une unité stérile en place auto-générée
WO2016114107A1 (fr) * 2015-01-14 2016-07-21 Hitachi Zosen Corporation Émetteur de faisceau d'électrons à buses multiples à petit pas et système de stérilisation
WO2016114108A1 (fr) * 2015-01-14 2016-07-21 Hitachi Zosen Corporation Système de stérilisation par faisceau d'électrons ayant des émetteurs de stérilisation externes non-fixes se déplaçant par rapport à des objets de stérilisation

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