EP1004510A1 - Procédé et dispositif pour stériliser et nettoyer des bandes en matériau d'emballage pour la fabrication d'emballages - Google Patents

Procédé et dispositif pour stériliser et nettoyer des bandes en matériau d'emballage pour la fabrication d'emballages Download PDF

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Publication number
EP1004510A1
EP1004510A1 EP99123401A EP99123401A EP1004510A1 EP 1004510 A1 EP1004510 A1 EP 1004510A1 EP 99123401 A EP99123401 A EP 99123401A EP 99123401 A EP99123401 A EP 99123401A EP 1004510 A1 EP1004510 A1 EP 1004510A1
Authority
EP
European Patent Office
Prior art keywords
packaging material
steam
chamber
material web
nozzle
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP99123401A
Other languages
German (de)
English (en)
Other versions
EP1004510B1 (fr
Inventor
Gunter Kurth
Peter Walter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hassia Verpackungsmaschinen GmbH
Original Assignee
Hassia Verpackungsmaschinen GmbH
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 Hassia Verpackungsmaschinen GmbH filed Critical Hassia Verpackungsmaschinen GmbH
Publication of EP1004510A1 publication Critical patent/EP1004510A1/fr
Application granted granted Critical
Publication of EP1004510B1 publication Critical patent/EP1004510B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65B55/10—Sterilising wrappers or receptacles prior to, or during, packaging by liquids or gases
    • B65B55/103—Sterilising flat or tubular webs

Definitions

  • the invention relates to a method and an apparatus for Germ reduction and cleaning of at least the product side Area of a packaging material web passing through a sterile flow chamber made of plastic using water vapor as Sterilizing agents.
  • the steam is supplied to the flow-through or sterile chamber already in the overheated state, which requires an overheating unit outside the flow-through chamber and correspondingly insulated steam feed lines, whereby it must also be taken into account that only saturated steam networks are generally available in the installation rooms of packaging machines.
  • the invention lies The task is based on a method and a device for its To create implementation with which the steam is rational first where it is converted into superheated steam where it is actually needed and as superheated steam on the dry entering Packaging material web in order to form a uniform, thin Condensate film is sprayed.
  • This task is related to a first method according to the Invention by the characterizing part of the independent claim 1 listed features solved.
  • the demands made are met because, on the one hand, a smaller amount of saturated steam has to be generated or supplied and, on the other hand, due to its conversion into superheated steam, a smaller but nevertheless necessary amount of condensate is obtained before the spraying and this condensate precipitating in a thin layer on the packaging material web is used specifically for thermal germ killing as a result of the temperature gradient between the superheated steam temperature and the packaging material web temperature level.
  • the sterile flow chamber is a simple, box-shaped housing with slot-shaped inlet and outlet openings for the packaging material web, this housing with respect to Evaporation cavities according to the aforementioned two first publications has a volume that is many times larger.
  • steam from a short distance nozzle opening distance to the packaging material web about 5-6 mm in the first procedure
  • the sterile flow chamber no directing or guiding function for the superheated steam in with respect to the packaging material web, which is also not necessary, since how said, the more or less overheated steam immediately the packaging material web is sprayed on.
  • the saturated steam supply to the device or to the nozzle can also be controlled or switched on and off in a known manner, on the one hand directly in relation to the nozzle jet intensity and on the other hand also with regard to the fact that the packaging material web is cycled to the rhythm of the following processing machine is conveyed through the sterile flow chamber, which is to be preferred insofar as the mechanical outlay is thereby reduced, since there is no need for a complex mechanical transition area (accumulation loop guidance) for a packaging material web that continuously enters the sterile flow chamber and is then clocked into the subsequent processing machine.
  • the device for carrying out the first method consists of a packaging material roll holder 1 with a downstream sterilization flow chamber 2 and means for controllable steam supply, behind which flow chamber 2 a sterile further processing section 3 is arranged, which is formed by a packaging machine.
  • This flow chamber 2 is provided with inlet and outlet slots 2 ', 2''for the packaging material web PB.
  • the exemplary embodiments shown in FIGS. 1, 2 are a deep-drawing machine as a further processing section 3, with which cups are molded, filled, closed, and then in a punching station on the packaging material web PB running through in cycles, for example, in subsequent stations F, F, S. ST the cups are separated individually or in groups from the packaging material strand.
  • a corresponding flow chamber 2 is arranged above the closing station S, which is only indicated by dashed lines at the top right in FIG.
  • the packaging material web PB is conveyed through the pass-through chamber 2 in a clocked manner, while according to FIG. 2 the continuous inflow behind the pass-through chamber 2 is converted into a clocked further conveyance, for which purpose a packing material web stowage loop receiving space 20 is required. All of the means FM required for such promotions and web guides are shown only schematically and in dashed lines in FIG.
  • upstream Device for hot steam treatment of the undeformed packaging material web PB is of interest.
  • the device for sterilizing in connection with a packaging machine SM for the production of tubular bags is illustrated in FIG. 3.
  • FIG. 3 For the device for carrying out the first method, with reference to FIG.
  • the steam supply in the form of at least one substantially transversely to the direction of the packaging material passage, in the sterile flow chamber 2 provided with a condensate discharge 14 and open towards the atmosphere with a small outlet distance D is formed above the packaging material web passage plane E, its internal steam duct 4 leading to the nozzle opening 7 is provided with an adjustable and opposed.
  • sensor-controlled energy supply device 6 for example, electrical heating resistor
  • a temperature sensor 29 is arranged in front of the sterile flow chamber 2, with which influence is exerted on the energy supply and thus on the degree of overheating of the steam to be injected.
  • control for the energy supply device 6 is also designated with 21, the steam pressure and steam quantity control with 22 and the saturated steam supply line with 23.
  • the flow chamber 2 is provided with a condensate drain 14, specifically for condensate which precipitates on the walls of the flow chamber.
  • the saturated steam supplied through the line 23 and from the valve 22 is converted into superheated steam directly in the nozzle itself before being applied to the packaging material web PB by a correspondingly regulated energy supply and then onto the packaging material web PB conveyed through the open-air chamber 2 during the transport movement of which is sprayed transversely to this on at least the product side from a short distance D with essentially the same intensity over the width of the packaging material B, which, as has been shown, leads to an extremely effective germ reduction.
  • the saturated steam supplied, for example, at 5.5 bar emerges at a nozzle 5 kept at approximately 300 ° C. by supplying energy via device 6 at approximately 200 ° C.
  • the nozzle 5 is designed so that the steam jet sprayed out has essentially the same intensity over the entire width of the packaging material B.
  • several such nozzle designs are arranged side by side in a nozzle head 5 ', only three of which are shown in FIG.
  • the saturated steam supply is effected in a clocked manner via a correspondingly also controlled on-off controller, which can be integrated in the controller 22, i.e. the spraying takes place only when the Packing material web PB moves with its affected section in the through-flow chamber 2, whereby, if the required disinfection rate requires it, it is entirely possible to arrange two nozzles 5 or nozzle heads 5 'one behind the other, as indicated by dashed lines in FIG. 4.
  • the sterile flow chamber 2 is followed by the first part of the downstream, sterile further processing section 3 in the form of a packaging material web which is also to be kept sterile Exchange barrel-receiving space 20 is formed, and behind this means FM are arranged for the timed withdrawal of the sterile packaging material web PB, which means are only indicated schematically, especially since these are the clock conveying means of the downstream packaging machine.
  • a so-called condensate squeegee 26 is also arranged in the pass-through chamber 2 behind the at least one nozzle 5, essentially transversely to the pass-through direction, from which the scraped-off condensate KO, for example, by means of an air-operated suction device that works according to the principle of a Venturi nozzle 27 is discharged.
  • this suction device 27 has the advantage that it is completely insensitive to the kill media and their residues.
  • the device Since, when the device is in operation, the steam is freely sprayed into the flow chamber 2 on the packaging material PB and the relaxing steam also spreads throughout the flow chamber and also precipitates on the walls thereof, as mentioned above, it is provided with a condensate drain 14, which leads to a Condensate drain 14 'provided collector 28, which also receives the condensate KO coming from the condensate doctor 26.
  • the condensate drain 14 is also connected to a suction device 27, in which a strong air flow is supplied to the condensate flow, so that suction is generated at the condensate drain 14 (Venturi nozzle principle).
  • a condensate suction device 26 ' is also expediently arranged on the underside of the packaging material web PB.
  • the nozzle 5 which, if this requires the further treatment section 3 to be kept sterile, i.e. where the underside of the packaging material web is also passed through a so-called full tunnel 30 in a sterile manner (see FIG. 1), so that at least one is also in the through-flow chamber 2 from below arranged nozzle directed against the packaging material.
  • the nozzle arrangement "with a short distance D to the packaging material web" it has a size of 4 to 8 mm.
  • the nozzle 5 is arranged in the pass-through chamber 2 with respect to its distance and inclination (see arrows on the second nozzle shown in dashed lines) so that optimal distance and inclination settings can be made for the respectively treated packaging material web.
  • the inclination of the nozzle shown in FIG. 4 in the direction of passage has proven to be particularly advantageous since the condensate film which forms under the nozzle on the web runs away from the nozzle with the packaging material web.
  • a packing material storage loop receiving space 20 is required, for a perfect packaging material web transport the transition point between continuous steaming and To be able to guarantee timed further treatment.
  • a packing material storage loop receiving space 20 is, as shown in Figure 6, advantageously provided that Pass-through chamber 2 in and against the running direction of the packaging material web PB slidable to store, the displacement path corresponds at least to the material feed rate per cycle.
  • the procedure is such that saturated steam is fed to the nozzle and the saturated steam is heated before application to the packaging material web by controlled supply of energy immediately before it is sprayed out, and the superheated steam is injected into one over treating steam packaging section formed is sprayed over the entire surface in the steam storage space kept closed during the vapor deposition onto the packaging material PB with formation of a condensate film.
  • the nozzle 5 according to FIGS. 8, 9 is designed in the form of a heatable steaming box 8 with an inner steam distribution chamber 9, which is closed off from the packaging material pass plane E with a nozzle plate 10 containing a plurality of nozzle openings 7 '.
  • the nozzle plate 10 is advantageously formed from a central part 10 'and from two edge parts 10'', the separately held distribution and distribution chambers 11 of which are connected to separate, controllable saturated steam supply lines 4''.
  • the steaming box 8 is provided with a seal 13 delimiting a steam storage space 12.
  • the device designed in this way can be operated both in a clocked manner and with a continuously running packaging material web PB.
  • the seal 13 according to FIG. 9 is formed, for example in the form of an O-ring seal that follows the circumferential contour of the box, the stopped packaging material section is pressed against the seal 13 from below with a plate 8 ′′ that is only shown in broken lines in FIG.
  • the seal 13 can also be designed in the form of a circumferential, more or less flexible lip seal (not particularly shown), which then likewise delimits a steam storage space 12, but which remains open all around due to a narrow gap between the seal 13 and the packaging material web PB.
  • the packaging material web can also be conveyed continuously under the steaming box 8, which then, depending on the operating mode of the downstream packaging machine.
  • a damming loop guide 20 according to FIG. 2 of the packaging material PB requires.
  • the formation of such a steam storage space 12, which can also be provided for the nozzles 5 according to FIG. 4 (indicated by dots there), has proven to be advantageous in that, as has been shown, the edge areas of a continuous packaging material web are also suitable for this let the optimized disinfection be recorded with certainty.
  • the "nozzle" forming vaporization box 8 with an adjustable, electrical heating resistor 8 ' provided that the whole Upper part of the box containing saturated steam distribution lines 4 '' 8 for converting saturated steam into superheated steam to temperature holds.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)
EP99123401A 1998-11-27 1999-11-24 Procédé et dispositif pour stériliser et nettoyer des bandes en matériau d'emballage pour la fabrication d'emballages Expired - Lifetime EP1004510B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19854804 1998-11-27
DE19854804A DE19854804A1 (de) 1998-11-27 1998-11-27 Verfahren und Vorrichtung zur Keimreduzierung und Reinigung von Packstoffbahnen für die Herstellung von Verpackungen

Publications (2)

Publication Number Publication Date
EP1004510A1 true EP1004510A1 (fr) 2000-05-31
EP1004510B1 EP1004510B1 (fr) 2002-04-03

Family

ID=7889252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123401A Expired - Lifetime EP1004510B1 (fr) 1998-11-27 1999-11-24 Procédé et dispositif pour stériliser et nettoyer des bandes en matériau d'emballage pour la fabrication d'emballages

Country Status (4)

Country Link
US (1) US6442915B1 (fr)
EP (1) EP1004510B1 (fr)
DE (2) DE19854804A1 (fr)
ES (1) ES2172973T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19903259C1 (de) * 1999-01-28 2000-07-13 Hassia Verpackung Ag Vorrichtung zum Entkeimen von Packstoffbahnen
DE60233928D1 (de) * 2002-02-08 2009-11-19 Tetra Laval Holdings & Finance Vorrichtung zur Sterilisation von Packstoffbahn in einer Verpackungsmachine für fliessfähige Nahrungsmittel
CA2519196A1 (fr) * 2003-03-27 2004-10-14 Swf Companies, Inc. Formeuse-remplisseuse-scelleuse rapide a action continue
DE102005052826A1 (de) * 2005-11-05 2007-05-10 Hassia Verpackungsmaschinen Gmbh Verfahren und Einrichtung zum Sterilisieren einer unverformten, taktschrittgeförderten Packstoffbahn
WO2008149377A1 (fr) * 2007-06-04 2008-12-11 Harish Prabhakar Joshi Procédé de conditionnement aseptique
DE102008035605B4 (de) * 2008-07-31 2012-06-14 Khs Gmbh Transportstrecke zum Fördern von Kappen oder dergleichen Verschlüssen zum Verschließen von Flaschen oder dergleichen Behältern
WO2015154985A1 (fr) * 2014-04-11 2015-10-15 Tetra Laval Holdings & Finance S.A. Dispositif de rouleau comprenant un capteur de température destiné à détecter une température de matière de conditionnement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB831922A (en) * 1957-03-26 1960-04-06 Alpura Ag Sterile packaging of sterile consumable material
CH348786A (de) * 1957-03-14 1960-09-15 Alpura Ag Verfahren und Vorrichtung zum sterilen Verpacken von sterilem Verbrauchsgut
DE3016266A1 (de) 1980-04-26 1981-10-29 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum sterilisieren eines packstoffbandes
US4537007A (en) 1982-01-29 1985-08-27 Ettore Lattanzi Process and plant for endless-cycle sterilization of sheet material utilized in aseptic packaging of pre-sterilized fluid products
DE19507639A1 (de) 1995-03-04 1996-09-05 Hassia Verpackung Ag Sterilisationseinrichtung an einer FFS-Verpackungsmaschine
DE19626705A1 (de) 1996-07-03 1998-01-08 Bosch Gmbh Robert Verfahren und Vorrichtung zum Sterilisieren einer Verpackungsmaterialbahn

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580009A5 (fr) * 1973-07-04 1976-09-30 Quader Ets
SE399039B (sv) * 1975-04-07 1978-01-30 Ziristor Ab Sett att rena steriliseringsmedelbemengd luft vid maskin for tillverkning av sterila forpackningar
SE401913B (sv) * 1976-10-07 1978-06-05 Tetra Pak Int Anordning for sterilisering av en forpackningsmaterialbana
DE3207426C2 (de) * 1982-03-02 1985-04-04 Hassia Verpackungsmaschinen GmbH, 6479 Ranstadt Vorrichtung zur Herstellung von Behältern aus thermoplatischen Folienbändern
DE3439020A1 (de) * 1984-10-25 1986-04-30 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zum herstellen steriler packungen
US5429303A (en) * 1993-03-20 1995-07-04 V.I.B. Apparatebau Gmbh Steam spray tube with linear acceleration channel
US5387403A (en) * 1993-06-15 1995-02-07 H. Ikeuchi & Co., Ltd. Automatic sterilizing apparatus
DE19505197A1 (de) * 1995-02-16 1996-09-05 Hassia Verpackung Ag Aseptisch arbeitende FFS-Maschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH348786A (de) * 1957-03-14 1960-09-15 Alpura Ag Verfahren und Vorrichtung zum sterilen Verpacken von sterilem Verbrauchsgut
GB831922A (en) * 1957-03-26 1960-04-06 Alpura Ag Sterile packaging of sterile consumable material
DE3016266A1 (de) 1980-04-26 1981-10-29 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zum sterilisieren eines packstoffbandes
US4537007A (en) 1982-01-29 1985-08-27 Ettore Lattanzi Process and plant for endless-cycle sterilization of sheet material utilized in aseptic packaging of pre-sterilized fluid products
DE19507639A1 (de) 1995-03-04 1996-09-05 Hassia Verpackung Ag Sterilisationseinrichtung an einer FFS-Verpackungsmaschine
DE19626705A1 (de) 1996-07-03 1998-01-08 Bosch Gmbh Robert Verfahren und Vorrichtung zum Sterilisieren einer Verpackungsmaterialbahn

Also Published As

Publication number Publication date
DE19854804A1 (de) 2000-05-31
US6442915B1 (en) 2002-09-03
EP1004510B1 (fr) 2002-04-03
ES2172973T3 (es) 2002-10-01
DE59901108D1 (de) 2002-05-08

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