EP1497181B1 - PROCEDE ET DISPOSITIF DE RINçAGE AU GAZ PROTECTEUR DE CONTENANTS - Google Patents

PROCEDE ET DISPOSITIF DE RINçAGE AU GAZ PROTECTEUR DE CONTENANTS Download PDF

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Publication number
EP1497181B1
EP1497181B1 EP03722489A EP03722489A EP1497181B1 EP 1497181 B1 EP1497181 B1 EP 1497181B1 EP 03722489 A EP03722489 A EP 03722489A EP 03722489 A EP03722489 A EP 03722489A EP 1497181 B1 EP1497181 B1 EP 1497181B1
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EP
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Prior art keywords
inert gas
container
channel
lower wall
flushing
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Expired - Lifetime
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EP03722489A
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German (de)
English (en)
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EP1497181A1 (fr
Inventor
Werner Grabher
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Individual
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Individual
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    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers

Definitions

  • the invention relates to a device and a method for inert gas flushing of containers, in particular for food, according to the preamble of claim 1 and of claim 12.
  • Such an apparatus and method are known from US-A-2 519 353.
  • a common method of packaging is to evacuate the packaging with the products and then close them gas-tight. This method is in containers with thin, in particular semi-rigid, walls, such. As cans, cups or trays, not possible, since such containers do not withstand the forces that occur during evacuation in the rule.
  • Containers can be evacuated in a known manner in a vacuum chamber and then gassed with a protective gas, for example nitrogen.
  • a protective gas for example nitrogen.
  • a closing station for a filled tin can in which a device for steam rinsing of the head space of the can is integrated.
  • the device has a flow channel for water vapor. It is formed by walls of the device as well as the can lid to be mounted on the can.
  • the can lid is inserted into a hole in a wall of the channel.
  • the channel ensures a controlled flow over the headspace of the can from one side to the opposite side of the can opening.
  • DE 3925952 C1 further discloses a vessel sealing machine in which filled glass bottles - driven by a continuously rotating rotating star - run on a circular path. Their headspace is flushed with inert gas and closed with a crown cork. The flow chambers, through which the inert gas flows, are thereby formed by two parallel walls, which are attached to the rotary star. The lower and the upper wall each have a recess for the bottle neck or crown cork inserted into the chamber.
  • This vessel sealing machine is suitable for gassing and immediate closure of fast circulating, filled glass bottles.
  • the invention is an object of the invention to provide a method and an apparatus, with the help of which or a protective gas flushing for different types of containers, such as doses, is possible.
  • this method should be more flexible compared to the inert gas flushing and subsequent closure on the same processing station.
  • a shielding gas flushing of containers is to be proposed, which is assigned to a plurality of, in particular ring-shaped, stations of a processing station for containers.
  • a container having at least one rigid or semi-rigid wall.
  • it should be understood to include cans which have a substantially tubular wall. This wall is closed at one end gas-tight and should be closed gas-tight after filling at the other end via a closure element.
  • protective gas flows on the one hand into a channel delimited by walls and on the other hand out of this again.
  • the container will overflow with its filling opening a recess in a channel bounding the first wall to the flowing inert gas brought in such a way that in the edge region of the filling opening, the protective gas directed and directed parallel to the surface of the filling opening substantially.
  • the channel in the area opposite the recess on the boundary means for the flow can be designed as a further wall, as a filling device or as a closure element.
  • the predetermined value for the residual oxygen content can be set in a self-regulating manner via feedback with the control elements which control the protective gas flow.
  • the wall of the channel opposite the filling opening may be designed such that at least part of the protective gas flows through the filling opening, advantageously in a substantially single direction, in the channel.
  • the inflowing inert gas advantageously has an overpressure, the protective gas flowing out a negative pressure relative to the environment. In this way, the Speed of the flowing inert gas can be increased without significant pressure increase in the container.
  • a device has a plurality of walls defining a channel.
  • this channel In this channel, one protective gas flows in and out at the other end.
  • the channel has in the edge region of the filling opening on and Ab technologicalö réelleen for the protective gas.
  • the inert gas flows in and out parallel to the surface of the filling opening via its edge region.
  • the incoming and outgoing through the protective gas flowing through the channel comes into contact with the gas in the interior of the container via the filling opening. This gas is replaced from the interior of the container by inert gas.
  • the channel and the interior of the container form a rinsing chamber in which the inert gas purging takes place.
  • An embodiment of the invention provides a substantially gap-shaped, horizontally arranged channel for the incoming and outflowing inert gas.
  • the channel is bounded by an upper and a lower wall.
  • a container to be rinsed can be brought to the flowing protective gas via a recess in the lower wall.
  • the container is brought perpendicular to the flow direction of the protective gas through the recess in the wall to the protective gas flow.
  • Such a device for inert gas flushing can be made relatively flat and thereby also be installed on existing processing stations for containers.
  • containers brought to the protective gas flow are connected to the lower wall via the outer side of their tubular wall. This leaves the inside of the tubular wall and the front side accessible with the filling opening for any machining processes.
  • the tightness of the connection can be ensured by a sealing lip, which rests circumferentially on the tubular outer side.
  • a further development of the invention provides for a plurality of stations, which process containers in the same cycle, to assign a device for inert gas purging, which extends over several stations.
  • a device for inert gas purging which extends over several stations.
  • a can flushed out at a protective gas flushing station and under inert gas atmosphere to another station, such as a Verschliessstation, transported without ambient air can penetrate into the can.
  • another station such as a Verschliessstation
  • the flushing process can be distributed to several stations and optionally to the conveyor line between these stations.
  • annularly arranged stations can be provided by a channel for the flowing inert gas, whose movable, for example, lower wall and the upper wall is stationary, in a simple and reliable manner with a device for inert gas flushing.
  • FIG. 1 shows a processing station for containers designed as cans, on which cans are processed in the same cycle at a number of stations not shown in detail.
  • the processing station has, in addition to a table top 1, the stations and a conveyor designed as a rotating star 4 an embodiment of an inventive device for inert gas flushing 5, which rinses cans at three stations with inert gas.
  • cans are transported from one station to the next by rotation of the rotary star 4 about the axis of rotation 3 in the direction of the rotary arrow shown in FIG.
  • the cans are guided by a guardrail 6, which is attached to the table top 1.
  • the device for inert gas purging 5 here has an upper housing 7 a rotatable about the axis of rotation 3 perforated disc 8 and a not visible in Figure 1, shown in dashed lines lifting device.
  • the lifting device designed in the form of an arcuate lifting track 9 has at one end a lifting ramp 13 and at the other end a lowering ramp 14 for lifting a can to be closed or for lowering a can provided with a closing element 22.
  • the two ramps 13 and 14 are - in relation to the direction of rotation of the rotary star 4 - arranged in the area before or after the upper part 7 and connected via a curved rod having a rectangular cross-section.
  • the perforated disc 8 here has the shape of an annular disc, in which eight regularly arranged recesses 10 are provided. In each of the recesses 10 a can is inserted in each case.
  • the perforated disc 8 is arranged on the rotary star 4 coaxial with this in a predetermined by the height of the doses distance to the table top 1.
  • the perforated disc 8 covers the outer contour of the rotary star 4, which is shown in dashed lines.
  • the rotary star 4 and the perforated disc 8 perform about the rotation axis 3, the same rotational movements. Cans that, when moving from one station to the next, lift lamp 12 or the Lowering ramp 13 pass, are pushed into the recesses 10 in or out of these. This movement of the can relative to the perforated disc 8 is directed here perpendicular to the conveying direction.
  • the cans are guided by the rotary star 4 and the guardrail 6.
  • the stationary with the table top 1 connected upper housing 7 has a ring-segment-shaped basic shape and surrounds a portion of the top 21, the inner and the outer edge of the perforated disc 8.
  • Inert gas supply lines 11 and gas discharges 12 are provided.
  • the top of the upper housing 7 has an insertion opening 15, in which a closure element 22 is inserted, and a feed shown only schematically further closure elements with which further cans are sealed gas-tight.
  • the limited by the upper housing 7 and the perforated disc 8 space is limited by three dashed lines in Figure 1, radial sealing lips 16 in the radial direction.
  • the sealing lips 16 are attached to the upper housing 7 and define here in the radial direction two channels 27 and 27 '.
  • the channels 27 and 27 ' direct the incoming and outgoing protective gas.
  • FIG. 2 shows a detail view of a station for shielding gas flushing of the processing station shown in FIG. 1 in section along the plane II-II and a can 25 to be closed, which is inserted into a recess 10 via the hoistway 9, in partial section in side view.
  • the perforated disc 8 On the table top 1 of the processing station is the upper housing 7 and the lifting track. 9 attached.
  • the perforated disc 8 is fixed to the rotary star 4.
  • the perforated disc 8 has two interconnected retaining discs and a disposed between them, on the inner and outer edge of the perforated disc 8 protruding disc seal 18.
  • the window seal 18 has punched holes, the edges of which protrude into the recesses 10.
  • the disk seal 18 rests on the one hand against the mutually facing inner sides of the upper housing 7 and on the other side laterally against the tubular outer side 20 of the can 25, which is inserted transversely to the conveying direction from below.
  • the surface of the filling opening 26 of the can 25 extends approximately to the top 21 of the perforated disc 8 zoom.
  • the filling opening 26 could also protrude slightly above it.
  • the top 21 and the filling opening 26 opposite inner surface 19 of the upper housing 7 define a first channel 27, which directs the flowing inert gas.
  • the can 25 is brought with its filling opening 26.
  • protective gas flows into the first channel 27 via the protective gas feed line 11 and out of this via the gas discharge line 12.
  • protective gas is supplied on this channel 27 in a plane parallel to the surface of the filling opening 26, on the one hand, and removed on the other hand. At least part of the flowing protective gas comes into contact with the gas in the interior of the can 25 via the filling opening 26 and flushes it out of the can 25.
  • a channel 27 forms together with the via the filling opening 26 connected to this interior of an inserted Can 25 a substantially closed flushing chamber for inert gas flushing. It goes without saying that the effectiveness of the protective gas flushing is determined not least by the sealing of the flushing chamber relative to the environment of the device.
  • FIG 3 shows a detailed view of a filling station with a protective gas flushing of the processing station shown in Figure 1 in section along the plane III-III and a can 25, which is filled with, for example, salted peanuts, in partial section in side view.
  • the upper housing 7 has an opening in which a filling device 23 is mounted.
  • the filling device 23 has a closing flap 24 shown here in the open state.
  • the filling of the can 25 takes place here by the flowing protective gas.
  • FIG. 4 shows a detailed view of a closing station with a protective gas flushing of the processing station shown in FIG. 1 in section along the plane IV-IV and a filled can 25, which is to be closed with a closure element 22, in partial section in side view.
  • the can 25 is filled here by way of example with the salted peanuts. If the can 25 has been filled outside the device for inert gas purging in the ambient atmosphere, the inert gas purging also includes the gas in the space between the individual peanuts. Is the empty box 25 already rinsed with inert gas and / or takes place Filling process in a protective gas atmosphere, so the extent of inert gas flushing before closing the can 25 can be kept lower.
  • the closure element 22 is inserted so that its lower edge extends approximately to the inner side 19 of the upper housing 7.
  • the closure element 22 forms here a part of the filling opening 26 opposite, the flow limiting wall. Laterally, it rests peripherally on the introduction opening 15 and seals it substantially against the environment.
  • the inner side 19, the closure element 22 and the upper side 21 of the orifice plate 8 delimit here a further channel 27 ', which directs the flowing inert gas in the device for inert gas flushing in the closing station.
  • the further channel 27 ' forms, together with the interior of the filled box 25, a substantially closed flushing space for a protective gas flushing according to the invention.
  • the closure element 22 is a container bottom, which is pressed against the tubular can wall, for example, via a stamp, not shown in Figure 3 and temporarily closed. But just as well could the can 25 - pressed by an appropriately trained hoistway - with the filling opening 26 against the closure member 22 and pushed over the upper edge of the upper housing 7. The now freely accessible laterally from all directions closure element 22 could be easily attached to a conventional closure device on the tubular wall and the can 25 are thus finally closed.
  • the gas-tight sealed can can leave the device without affecting the atmosphere in the interior of the can.
  • the can passes when lowering to the next station, the lowering ramp 14 and is guided out of the perforated disc 8 out on the table top 1.
  • next closure element 15 Until the next closure element 15 is introduced into the introduction opening 15, air can penetrate from the ambient atmosphere into the further channel 27 ', which is formed here by the inside 19, the perforated disc 8 and the lip seals 16 (shown only in FIG. 1). If the next closure element 22 is inserted into the introduction opening 15, the penetrated air is flushed out of the further channel 27 'by the protective gas flow. A next can to be closed can be transported to the closure station.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vacuum Packaging (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Air Bags (AREA)

Claims (16)

  1. Dispositif de rinçage au gaz protecteur d'au moins un contenant (25), comprenant un canal (27), délimité par une paroi supérieure (7) et une paroi inférieure (8), avec une conduite d'alimentation en gaz protecteur (11) et une conduite d'évacuation de gaz (12), dans lequel la paroi supérieure (7) est localement fixe et la paroi inférieure (8) présente au moins un évidement (10), à travers lequel le récipient (27) peut être introduit dans le canal (27), par son ouverture de remplissage (26), aux fins de rinçage, de manière que la surface de l'ouverture de remplissage (26) soit orientée parallèlement à la direction d'écoulement dans le canal (27), caractérisé en ce que la paroi inférieure (8) est déplaçable, parallèlement à la paroi supérieure (7).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il est équipé d'un dispositif de levage (9), pour introduire le contenant (25) dans le canal (27).
  3. Dispositif selon la revendication 2, caractérisé en ce que le dispositif de levage (9) comprend une rampe de levage (13) et une rampe de descente (14).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'il comprend un moyen de transport (4), pour transporter le contenant (25).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'il présente un ou plusieurs postes de travail (23), ayant chacun une ouverture (15), contenue dans la paroi supérieure (7), et un élément de fermeture (22, 24), auxquels le contenant (25) peut être travaillé, par exemple être rempli ou fermé.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la paroi inférieure (8) est réalisée sous la forme de disque perforé, susceptible de tourner autour d'un axe de rotation (3), et la paroi supérieure (7) est réalisée sous forme de boîtier supérieur (7) localement fixe, entourant une partie de la face supérieure, du bord intérieur et du bord extérieur du disque perforé (8).
  7. Dispositif selon la revendication 6, caractérisé en ce que le moyen de transport (4) est une étoile rotative (4) et la plaque perforée est fixée sur l'étoile rotative par l'intermédiaire d'une bague d'espacement (17).
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que le canal (27), formé par la paroi supérieure (7) et la paroi inférieure (8), est subdivisé en plusieurs canaux (27, 27') au moyen de lèvres d'étanchéité (16) disposées radialement.
  9. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce que les conduites d'amenée de gaz protecteur sont montées sur la face, tournée vers l'axe de rotation (3), et les conduites d'évacuation sont montées sur la face opposée à celui-ci.
  10. Dispositif selon l'une des revendications 6 à 9, caractérisé en ce que le disque perforé (8) présente un joint d'étanchéité (18), pour assurer l'étanchéité d'une enceinte de rinçage, par rapport à l'environnement du dispositif.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce qu'il est équipé d'un dispositif pour détecter la teneur en oxygène, ainsi que d'un élément de réglage pour commander le flux de gaz protecteur.
  12. Procédé de rinçage au gaz protecteur d'au moins un contenant (25), du gaz protecteur s'introduisant, par une conduite d'amenée (11), dans un canal (27) et s'échappant de nouveau au moyen d'une conduite d'évacuation (12), le canal (27) est formé par une paroi supérieure (7) localement fixe et une paroi inférieure (8), et la paroi inférieure (8) présente au moins un évidement (10), à travers lequel le contenant (25) est susceptible d'être introduit dans le canal (27), par son ouverture de remplissage, aux fins du rinçage, où le contenant (25) est amené à l'écoulement de gaz protecteur se faisant dans le canal (27), perpendiculairement à la direction d'écoulement du gaz protecteur, à travers l'évidement (10) ménagé dans la paroi inférieure (8), de manière que la surface de l'ouverture de remplissage (26) soit orientée parallèlement à la direction d'écoulement du gaz protecteur dans le canal (27)n et qu'au moins un rinçage au gaz protecteur du contenant (25) soit effectué temporairement, caractérisé en ce que la paroi inférieure (8) est déplacée parallèlement à la paroi supérieure (7).
  13. Dispositif selon la revendication 12, caractérisé en ce que le contenant est amené à l'écoulement de gaz protecteur se faisant dans le canal (27), à l'aide d'un moyen de transport (4) et d'un dispositif de levage (9).
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que la paroi supérieure (7) présente des stations de travail (23), auxquels le contenant (25) peut être travaillé, par exemple rempli ou fermé, et le contenant (25) est transporté aux stations de travail (23), à l'aide d'un moyen de transport (4) et de la paroi inférieure (8) mobile, et est alors au moins temporairement rincé au gaz protecteur.
  15. Procédé selon la revendication 14, caractérisé en ce que le contenant (25) est levé ou abaissé dans les évidements (10) da la paroi inférieure (8), à l'aide d'une rampe de levage (13) et d'une rampe de descente (14).
  16. Procédé selon l'une des revendications 11 à 15, caractérisé en ce que l'écoulement de gaz protecteur est introduit avec une pression positive par rapport à l'environnement, et est extrait avec une pression négative.
EP03722489A 2002-04-24 2003-04-16 PROCEDE ET DISPOSITIF DE RINçAGE AU GAZ PROTECTEUR DE CONTENANTS Expired - Lifetime EP1497181B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03722489A EP1497181B1 (fr) 2002-04-24 2003-04-16 PROCEDE ET DISPOSITIF DE RINçAGE AU GAZ PROTECTEUR DE CONTENANTS

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02009132A EP1357035A1 (fr) 2002-04-24 2002-04-24 Procédé et dispositif pour la purge de récipients par gaz protecteur
EP02009132 2002-04-24
EP03722489A EP1497181B1 (fr) 2002-04-24 2003-04-16 PROCEDE ET DISPOSITIF DE RINçAGE AU GAZ PROTECTEUR DE CONTENANTS
PCT/EP2003/003951 WO2003091106A1 (fr) 2002-04-24 2003-04-16 Procede et dispositif de rinçage au gaz protecteur de contenants

Publications (2)

Publication Number Publication Date
EP1497181A1 EP1497181A1 (fr) 2005-01-19
EP1497181B1 true EP1497181B1 (fr) 2006-08-02

Family

ID=28685897

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02009132A Withdrawn EP1357035A1 (fr) 2002-04-24 2002-04-24 Procédé et dispositif pour la purge de récipients par gaz protecteur
EP03722489A Expired - Lifetime EP1497181B1 (fr) 2002-04-24 2003-04-16 PROCEDE ET DISPOSITIF DE RINçAGE AU GAZ PROTECTEUR DE CONTENANTS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02009132A Withdrawn EP1357035A1 (fr) 2002-04-24 2002-04-24 Procédé et dispositif pour la purge de récipients par gaz protecteur

Country Status (9)

Country Link
US (2) US20050252527A1 (fr)
EP (2) EP1357035A1 (fr)
CN (1) CN100396564C (fr)
AT (1) ATE334883T1 (fr)
AU (1) AU2003229681A1 (fr)
DE (1) DE50304476D1 (fr)
ES (1) ES2270019T3 (fr)
NZ (1) NZ535923A (fr)
WO (1) WO2003091106A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043942A1 (de) * 2008-11-20 2010-05-27 Ball Packaging Europe Gmbh Verfahren zum Befüllen einer Verpackung, insbesondere einer Lebensmittelverpackung
CN104260923B (zh) * 2014-08-29 2016-08-24 华北制药河北华民药业有限责任公司 一种带充氮装置的分装机
GB2576735A (en) * 2018-08-29 2020-03-04 Proseal Uk Ltd Packaging apparatus
CN109533449A (zh) * 2018-11-05 2019-03-29 广州柿宝生物科技有限公司 一种粉末状柿子单宁的包装工艺
CN110329590A (zh) * 2019-08-12 2019-10-15 温州市途麦机械有限公司 一种在线灌装充氮气装置

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Publication number Priority date Publication date Assignee Title
US2127964A (en) * 1935-01-03 1938-08-23 Ryan Coffee Corp Capping and sealing apparatus
US2519353A (en) * 1946-10-15 1950-08-22 American Can Co Can closing machine
US3226749A (en) * 1963-07-03 1966-01-04 Ziche Arrigo Automatic machine for sorting, washing and polishing phials or closed tubular vessels in general
US4347695A (en) * 1980-03-26 1982-09-07 General Foods Corporation Beverage bottling method
DE3130616A1 (de) 1981-08-01 1983-02-17 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum begasen und verschliessen von verpackungsbehaeltern
DE3515334C2 (de) * 1985-04-27 1987-04-09 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Gefäßverschließmaschine
JPS63191723A (ja) * 1987-01-31 1988-08-09 北海製罐株式会社 缶詰に不活性ガスを封入する方法およびその装置
US5284871A (en) * 1987-09-25 1994-02-08 The Pillsbury Company Oxygen removal
DE3925952C1 (fr) 1989-08-05 1990-06-07 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling, De
DE4224919A1 (de) 1992-07-28 1994-02-03 Linde Ag Verfahren und Vorrichtung zum sauerstofffreien Verpacken von Ware
DE4224920A1 (de) 1992-07-28 1994-02-03 Linde Ag Verfahren und Vorrichtung zum sauerstofffreien Verpacken von Ware
US5417255A (en) * 1993-09-16 1995-05-23 Sanfilippo; James J. Gas flushing apparatus and method
US5839484A (en) * 1995-08-02 1998-11-24 Engle; Marcus J. Vacuum transfer system and method for food grade product

Also Published As

Publication number Publication date
CN1646373A (zh) 2005-07-27
NZ535923A (en) 2007-01-26
WO2003091106A1 (fr) 2003-11-06
US20050252527A1 (en) 2005-11-17
CN100396564C (zh) 2008-06-25
EP1497181A1 (fr) 2005-01-19
AU2003229681A1 (en) 2003-11-10
US20100064639A1 (en) 2010-03-18
ATE334883T1 (de) 2006-08-15
ES2270019T3 (es) 2007-04-01
US8137480B2 (en) 2012-03-20
EP1357035A1 (fr) 2003-10-29
DE50304476D1 (de) 2006-09-14

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