EP0082368B1 - Appareil pour stériliser des récipients d'emballage - Google Patents

Appareil pour stériliser des récipients d'emballage Download PDF

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Publication number
EP0082368B1
EP0082368B1 EP82111167A EP82111167A EP0082368B1 EP 0082368 B1 EP0082368 B1 EP 0082368B1 EP 82111167 A EP82111167 A EP 82111167A EP 82111167 A EP82111167 A EP 82111167A EP 0082368 B1 EP0082368 B1 EP 0082368B1
Authority
EP
European Patent Office
Prior art keywords
container
chamber
nozzle
hot air
peroxide
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.)
Expired
Application number
EP82111167A
Other languages
German (de)
English (en)
Other versions
EP0082368A1 (fr
Inventor
Norbert Prof. Dr. Buchner
Günther Vögele
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0082368A1 publication Critical patent/EP0082368A1/fr
Application granted granted Critical
Publication of EP0082368B1 publication Critical patent/EP0082368B1/fr
Expired 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

Definitions

  • the invention relates to a device for sterilizing packaging containers according to the preamble of the main claim.
  • a device of this type known for example from DE-OS 25 09 611
  • a hot air / hydrogen peroxide vapor mixture is blown into a chamber, to which the containers to be sterilized, for example cups, are fed.
  • Peroxide condenses on the relatively cold walls of the containers and develops its germicidal effect there.
  • the peroxide deposit is flushed out with hot air. This exhaust air, enriched with peroxide, and the used hot air-peroxide mixture flowing out of the chamber are led outside through a filter.
  • the known device Apart from the fact that in the known device the hot air-peroxide vapor mixture is not free of peroxide droplets which are not completely removed after being placed on the container walls during rinsing, so that they come into contact with the goods filled into the container, the known device has the disadvantage of high sterilant and hot air consumption. This means a high expenditure of energy and, if the filter is not in order, a high annoyance for the operating personnel in the work area. For these reasons, it is desirable to have a sterilizer that has low sterilant and hot air consumption.
  • the problem discussed in the prior art is solved in a simple manner.
  • the fact that the hot air and sterilizing agent / steam mixture is continuously circulated means that the expenditure of heating energy and sterilizing agent is adjusted to the actual consumption.
  • the annoyance of the operating personnel is minimal.
  • the measures specified in the subclaims enable advantageous developments and refinements of the sterilizing device specified in the main claim.
  • claim 2 it is shown how in the area of the container to be sterilized, a targeted hot air sterilizing agent vapor mixture guidance is made possible, in which a uniform precipitation of sterilizing agent is achieved on the walls of the container used in the chamber.
  • claims 3 and 4 the device is designed for particularly high output, since at the time of opening the changeover valve the correct mixture flows into the container and past its walls without detour.
  • FIG. 1 shows a sterilizing device for cup-like containers, simplified and partly in section
  • FIG. 2 shows a sterilizing chamber of the device according to FIG. 1 in the loading and unloading position.
  • the sterilizing device for cup-like packaging containers 3 comprises a sterilizing chamber 5, a circulating fan 6, an air heater 7, a preparation device 8 for a hot air / sterilizing agent vapor mixture and a storage container 9 for sterilizing agents.
  • the sterilization chamber 5 is essentially formed from a stationary vessel part 11 open at the top and a cover 12 which can be lifted off.
  • the lid 12 is fastened and lowered to the piston rod 13 of a pneumatic working cylinder 14.
  • On its underside it has holding clamps 15 for holding a container 3 to be sterilized on an edge 4 protruding from the bottom thereof.
  • the vessel part 11 is composed of a jacket 16 and a base piece 17.
  • a nozzle 20 with an upper outlet opening 21 protrudes from the bottom piece 17 into the vessel 11.
  • the nozzle 20 largely fills the interior of the container 3 to be sterilized in such a way that, in the case of a container 3 inserted into the vessel part 11 with the lid 12, between the outside of the container Nozzle 20 and the container inner walls remain a uniform, narrow gap.
  • the height of the jacket 16 of the vessel part 11 is dimensioned such that when the lid 12 is resting, the container 3 held by it on the bottom edge 4 with its open end is at a distance from the bottom piece 17 which is adapted to the width of the gap described above.
  • a pipe socket 23 is located coaxially within the nozzle 20 and is also inserted in the base piece 17.
  • This pipe socket 23 surrounds an inner discharge channel 22 and, together with the inside of the nozzle 20, delimits an annular supply channel 24 between the outlet opening 21 of the nozzle 20 and the upper end of the pipe socket 23, a double-cone valve body 25 is movable, which in its upper position Outlet opening 21 of the nozzle 20 and in its lower position closes the pipe socket 23.
  • the valve body 25 is moved up and down by a pneumatic working cylinder 27 via a rod 26.
  • the discharge channel 22 of the pipe socket 23 opens at its lower end into a transverse bore 28 and the feed channel 24 between the pipe socket 23 and the nozzle 20 into a transverse bore 29 in the base piece 17.
  • a ring 30 with an annular groove 31 surrounds the jacket 16 of the vessel part 11. Breakthroughs 32 in the jacket 16 and an opening 33 in the ring 30 connect the interior of the vessel part 11 via the annular groove 31 to a line 35.
  • This line 35 leads via a check valve 36 and a line 37, which with the transverse bore 28 in Bottom piece is connected to the suction side of the circulation fan 6.
  • a line 38 also leads to this suction side via a check valve 39.
  • the circulating fan 6 is connected via a line 40 to the air heater 7, which has a steam-heated container 41 and a heat exchanger coil 42.
  • the air-conducting heat exchanger coil 42 is connected via a line 43 to the inlet 44 of the processing device 8, the outlet of which is connected via a line 45 to the transverse bore 29 in the base piece 17.
  • the preparation device 8 which is used to generate the hot air-sterilizing agent vapor mixture used to sterilize the containers 3, is constructed in the manner of an exchange column. It has a cylindrical chamber 48 with a bed 53 of packing, chips or the like, into which a perforated tube 49 projects from above, which is connected via a line 50 and an adjustable throttle valve 51 to the pressurized reservoir 9.
  • the chamber 48 is surrounded by a steam-heated double jacket 52.
  • the line 45 is connected at its upper end.
  • the device described works as follows: In order to process the mixture of hot air and sterilant vapor used for the sterilization of packaging containers 3 in the sterilization chamber 5, the circulating blower 6 promotes partly circulating air from the sterilizing chamber 5 and partly fresh air sucked in via the line 38 and the check valve 39 through the Air heater 7 and the treatment device 8.
  • the hot air which is heated to about 125 ° C. in the air heater, flows in the treatment device 8 from below through the bed 53 of the basket 48. Thereby, it takes sterilizing agent evaporating through heat, preferably 35% hydrogen peroxide down to one the saturation limit.
  • the peroxide which is liquid at room temperature is metered by the adjustable pressure built up in the head space of the storage container 9 through the adjustable throttle valve 51 and the pipe 49 and is distributed there.
  • the hot air loaded with peroxide vapor flows through the line 45, the transverse bore 29 and the feed channel 24 in the nozzle 20 in the sterilization chamber 5.
  • a container 3 to be sterilized is freely inserted with its opening downward into the vessel part 11 and the working cylinder 27 has pulled the valve body 25 into the lower position in which it closes the pipe socket 23 and the outlet opening of the nozzle 20 opens (Fig. 1), the hot air-peroxide vapor mixture flows as a result of excess pressure against the bottom of the container 3, is deflected there, then brushes downward in the annular gap between the nozzle 20 and the inside of the container jacket and from there around the opening edge of the container 3 again above through the annular space between the outside of the container jacket and the inside of the jacket 16 and through its openings 32 in the annular channel 31 and from there through the lines 35, 36, 38 to the suction side of the circulation fan 6.
  • the hot air / peroxide vapor mixture is conducted in a continuous cycle both during the sterilization phase and in the intermediate phases in which the sterilization chamber 5 is loaded and unloaded.
  • the sterilization chamber 5 forms part of the main circuit, and parallel to this the discharge channel 22 in the pipe socket 23 and the transverse bore 29 form a bypass.
  • the mixture feed into the sterilization chamber 5 After the mixture feed into the sterilization chamber 5 has been shut off, it remains closed for about 3 seconds in order to let the peroxide act. Another option is to open the chamber and let the peroxide deposit continue to work when the package is open. This way the peroxide evaporates more easily. Then the lid 12 with the container 3 is pulled up. During the exposure time, the condensed peroxide begins to evaporate again when the container wall is heated in the sterilization chamber 5 heated during operation. The small amount of peroxide dries completely when the sterilization chamber 5 is opened. Any remaining peroxide residues can then be dried out by blowing in dry hot air.
  • the sterilized, dry container 3 is then fed directly to the filling and closing. These treatments take place in a sterile room in which the sterilization chamber 5 is also arranged.
  • the exemplary embodiment shown and described has only one sterilization chamber 5.
  • a plurality of containers or container parts are sterilized at the same time and which, for this purpose, has a plurality of sterilization chambers fed by a single mixture preparation device or a plurality of nozzles in a single sterilization chamber and have switching valves.
  • the openings 32 forming the outlet of the sterilization chamber and the collecting ring 30 are arranged at the lower end of the jacket 16 of the vessel part 11 near the base piece.
  • the outlet for the mixture in a central position on the lid of the sterilization chamber.
  • the package can of course also stand, i.e. the container of the sterilization chamber can be rotated by 180 °. Displacers, supply and discharge lines can then be connected to the movable part, as can the side walls of the bell-shaped container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Claims (4)

1. Appareil pour stériliser des récipients d'emballage, comportant un dispositif (8) pour préparer un mélange d'air et de vapeur de l'agent stérilisant, et au moins une chambre (5) susceptible d'être fermée, recevant au moins un récipient, dans laquelle on envoie le mélange préparé, appareil caractérisé en ce que la chambre (5) est intégrée, en commun avec le dispositif de préparation (8) dans un circuit fermé d'agent stérilisant, et que, parallèlement à la chambre (5), il est disposé un bypass (22, 28, 37) qui, lorsque la chambre (5) est ouverte, s'intègre dans le circuit fermé au moyen d'une soupape d'inversion (25).
2. Appareil suivant la revendication 1, caractérisé en ce que dans la chambre (5), il est disposé une buse (20) qui, en s'engageant dans le récipient (3) introduit dans la chambre, remplit l'intérieur de ce récipient, en laissant subsister une fente.
3. Appareil suivant la revendication 2, caractérisé en ce que la soupape d'inversion (25) est disposée sur la buse (20).
4. Appareil suivant la revendication 3, caractérisé en ce que la buse (20) en plus d'un orifice d'écoulement (21) contient, un canal d'alimentation (24) et un canal d'évacuation (22) qui peuvent être reliés ensemble, ou séparés l'un de l'autre, par un corps de soupape (25).
EP82111167A 1981-12-17 1982-12-02 Appareil pour stériliser des récipients d'emballage Expired EP0082368B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813150035 DE3150035A1 (de) 1981-12-17 1981-12-17 Vorrichtung zum sterilisieren von verpackungsbehaeltern
DE3150035 1981-12-17

Publications (2)

Publication Number Publication Date
EP0082368A1 EP0082368A1 (fr) 1983-06-29
EP0082368B1 true EP0082368B1 (fr) 1985-11-06

Family

ID=6149005

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111167A Expired EP0082368B1 (fr) 1981-12-17 1982-12-02 Appareil pour stériliser des récipients d'emballage

Country Status (4)

Country Link
US (1) US4511538A (fr)
EP (1) EP0082368B1 (fr)
JP (1) JPS58112930A (fr)
DE (2) DE3150035A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540161A1 (de) * 1985-11-13 1987-05-14 Pkl Verpackungssysteme Gmbh Verfahren und vorrichtung zum entkeimen von verpackungsmaterial, insbesondere von verpackungsbehaeltern
DE3640622A1 (de) * 1986-11-27 1988-06-09 Pkl Verpackungssysteme Gmbh Verfahren zum sterilisieren von verpackungsmaterial
DE3728595A1 (de) * 1987-08-27 1989-03-09 Ammann Siegfried Verfahren und vorrichtung zur bereitung eines wasserstoffperoxid-luft-gemisches zur sterilisierung von behaeltern
GB8822551D0 (en) * 1988-09-26 1988-11-02 Elopak Systems Packaging
US5258162A (en) * 1989-11-07 1993-11-02 Tetra Alfa Holdings S.A. Method of producing a gaseous hydrogen peroxide-containing sterilization fluid
FR2666299B1 (fr) * 1990-09-03 1994-10-21 Cmb Remy Installation de sterilisation de recipients a l'aide de peroxyde d'hydrogene et procede d'utilisation.
SE465512B (sv) * 1990-11-07 1991-09-23 Tetra Pak Holdings Sa Saett att sterilisera ett foerpackningsmaterial medelst ett vaetskeformigt steriliseringsmedel
DE4305478A1 (de) * 1993-02-23 1994-08-25 Tetra Laval Holdings & Finance Verfahren und Vorrichtung zum Sterilisieren von Packungen
MY115198A (en) * 1995-08-11 2003-04-30 Nestle Sa Process and apparatus for sterilising surfaces
TW407122B (en) * 1998-02-19 2000-10-01 Shintaku Kogyo K K The autoclaving treatment of the plastic container and the apparatus thereof
DE102006036763A1 (de) * 2006-08-05 2008-02-07 Khs Ag Vorrichtung und Verfahren zur Sterilisation von Behältern
DE102007039010B4 (de) * 2007-08-17 2017-04-20 Khs Gmbh Dosier- und Versorgungssystem für Vorrichtungen zum H2O2-Sterilisieren von Packmitteln sowie Verfahren hierzu
US9988170B2 (en) 2014-09-25 2018-06-05 Dai Nippon Printing Co., Ltd. Method of sterilizing preform and method of sterilizing container made of resin
AU2016275572B2 (en) * 2015-06-12 2020-09-10 Chevron Australia Pty Ltd Fumigant formulation and vaporising apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1954222A (en) * 1931-02-13 1934-04-10 Olson Bennett Can sterilizer and cleaner
US2014750A (en) * 1932-02-10 1935-09-17 Corp Of Seitz Werke G M B H Apparatus for sterilizing containers
US2501193A (en) * 1945-07-02 1950-03-21 Richard C Schulte Combined warmer and sterilizer for bottles and the like
US3723060A (en) * 1968-02-26 1973-03-27 Ex Cell O Corp Aseptic packaging machine
US3688783A (en) * 1970-08-17 1972-09-05 William E Owens Sanitizing apparatus
BE805663A (fr) * 1973-10-04 1974-02-01 Altstaedter Verpack Vertrieb Appareil a emballer dans des conditions steriles
SE399039B (sv) * 1975-04-07 1978-01-30 Ziristor Ab Sett att rena steriliseringsmedelbemengd luft vid maskin for tillverkning av sterila forpackningar
DE2611173A1 (de) * 1976-03-17 1977-09-22 Messerschmitt Boelkow Blohm Verfahren zum sterilisieren von hohlkoerpern
WO1979001074A1 (fr) * 1978-05-16 1979-12-13 Ex Cell O Corp Procede et moyens d'application d'un bactericide dans un recipient pour sa sterilisation
US4296068A (en) * 1979-02-19 1981-10-20 Dai Nippon Insatsu Kabushiki Kaisha Apparatus for sterilizing a succession of food containers or the like
DE3125430A1 (de) * 1981-06-27 1983-01-20 Hick & Co Gmbh, 4901 Hiddenhausen Verfahren und vorrichtung zum sterilisieren von becherfoermigen behaeltern

Also Published As

Publication number Publication date
DE3150035A1 (de) 1983-06-23
US4511538A (en) 1985-04-16
DE3267321D1 (en) 1985-12-12
EP0082368A1 (fr) 1983-06-29
JPS58112930A (ja) 1983-07-05

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