EP1497181A1 - VERFAHREN UND VORRICHTUNG ZUR SCHUTZGAS-SPüLUNG VON BEHALTERN - Google Patents
VERFAHREN UND VORRICHTUNG ZUR SCHUTZGAS-SPüLUNG VON BEHALTERNInfo
- Publication number
- EP1497181A1 EP1497181A1 EP03722489A EP03722489A EP1497181A1 EP 1497181 A1 EP1497181 A1 EP 1497181A1 EP 03722489 A EP03722489 A EP 03722489A EP 03722489 A EP03722489 A EP 03722489A EP 1497181 A1 EP1497181 A1 EP 1497181A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protective gas
- container
- channel
- wall
- flow
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011261 inert gas Substances 0.000 title claims description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 74
- 239000007789 gas Substances 0.000 claims description 82
- 238000010926 purge Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241001553178 Arachis glabrata Species 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 235000020232 peanut Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
Definitions
- the invention relates to a method and a device for protective gas purging of containers, in particular for food, according to the preamble of claim 1 and claim 7.
- a common packaging method is to evacuate the packaging with the products and then seal them gas-tight.
- This method is for containers with thin, in particular semi-rigid, walls, such as. B. cans, cups or bowls, not possible, since such containers usually do not withstand the forces that occur during evacuation.
- 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.
- This multi-stage process requires a lot of equipment, energy and time. Only very sensitive and high quality food products such as B. milk powder, justify the use of such methods.
- a closing station for a filled tin can is known, in which a device for water vapor flushing 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 and the can lid to be attached to the can.
- the can lid is inserted into a hole in a wall of the channel. The channel ensures a controlled flow across the head space of the can from one side to the opposite side of the can opening.
- a vessel sealing machine is also known in which filled glass bottles - driven by a continuously rotating rotary star - rotate on a circular path.
- the headspace is flushed with inert gas and closed with a crown cap.
- the flow chambers through which the inert gas flows are formed by two parallel walls that are attached to the rotary star.
- the lower and the upper wall each have a recess for the bottle neck or crown cap inserted into the chamber.
- This vessel sealing machine is suitable for the gassing and immediate sealing of rapidly circulating, filled glass bottles.
- the invention is based on the object of providing a method and a device with the aid of which a protective gas flushing for different types of containers, for example cans, is made possible.
- this method should be able to be used more flexibly in the same processing station compared to protective gas purging and subsequent closing.
- a protective gas flushing of containers is to be proposed, which is assigned to several, in particular ring-shaped, stations of a processing station for containers.
- a container which has at least one rigid or semi-rigid wall.
- this is to be understood to mean cans which have an essentially tubular wall. This wall is sealed gas-tight at one end and should be closed gas-tight at the other end after filling by means of a closure element.
- protective gas flows on the one hand into a channel delimited by walls and on the other hand out of the latter.
- the container is over with its filling opening a recess in a first wall delimiting the channel leads to the flowing protective gas in such a way that in the edge region of the filling opening the protective gas flows in and out directed essentially parallel to the surface of the filling opening.
- the channel in the area opposite the recess has flow limiting means which can be moved parallel to the first wall. These means can be designed as a further wall, as a filling device or as a closure element.
- gas from the can is displaced by the protective gas.
- a predetermined residual oxygen or residual water vapor content in the container can be reached or fallen below.
- a device for detecting the oxygen content for example in the interior of the container, is also provided in the device for protective gas purging, then 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 can be designed in such a way that at least part of the protective gas, advantageously advantageously in a single direction, flows over the filling opening in the channel.
- the outflowing inert gas has a negative pressure in relation to the environment. In this way, the Speed of the flowing protective gas can be increased without any appreciable pressure increase in the container.
- a device has a plurality of walls which delimit a channel. Shielding gas flows into this channel at one end and out again at the other end.
- the channel has inlet and outlet openings for the protective gas in the edge region of the filling opening.
- the protective gas flows in and out parallel to the surface of the filling opening over its edge area.
- the protective gas flowing in and out through the channel comes into contact with gas in the interior of the container through the filling opening. As a result, gas from the interior of the container is replaced by protective gas.
- the channel and the interior of the container form a purging chamber in which the protective gas purging takes place.
- An embodiment of the invention provides an essentially slot-shaped, horizontally arranged channel for the protective gas flowing in and out.
- the channel is bordered by an upper and a lower wall.
- Container can be brought up to the flowing shielding gas via a recess in the lower wall.
- the container is guided perpendicular to the direction of flow of the protective gas through the recess in the wall to the protective gas flow.
- Such a device for protective gas purging can be made relatively flat and can therefore also be installed on existing processing stations for containers.
- containers brought up to the protective gas flow are connected to the lower wall via the outside of their tubular wall. This leaves the inside of the tubular wall and the face accessible with the filling opening for any machining processes.
- the tightness of the connection can be ensured by a sealing lip which lies all around on the tubular outside.
- a further development of the invention provides for several stations that process containers in the same cycle to be assigned a device for purging with protective gas, which extends over several stations.
- a can can be rinsed out at a protective gas purging station and transported to a further station, for example a sealing station, in a protective gas atmosphere without ambient air being able to penetrate the can.
- a protective gas purging device distributed over several stations, the purging process can also be carried out over several
- stations arranged in a ring can be provided with a device for purging with protective gas in a simple and reliable manner through a channel for the flowing protective gas, the lower wall of which, for example, is movable and the upper wall of which is stationary.
- Another embodiment of the invention provides - for example in the form of two perforated disks - a movable lower wall and a movable upper wall.
- the two perforated disks are held at a distance from one another by wedge-shaped spacers directed towards the center and, together with the perforated disks, form walls delimiting the inert gas flow.
- Figure 1 shows a processing station for cans with several stations, a rotary star and an embodiment of an inventive
- Figure 2 is a sectional view (II-II) detailed view of the device of Figure 1 in side view
- FIG. 4 shows a detailed view in section (IV-IV) of a closing station with a device of the processing station from FIG. 1 in a side view.
- FIG. 1 shows a processing station for containers designed as cans, on which cans are processed in the same cycle at several stations, not shown.
- the stations and a conveyor designed as a rotary star 4 the processing station has an exemplary embodiment of a device for protective gas purging 5 according to the invention, which flushes cans with protective gas at three stations.
- a device for protective gas purging 5 according to the invention, which flushes cans with protective gas at three stations.
- the device for purging with protective gas 5 here has an upper housing 7, a perforated disc 8 which can be rotated about the axis of rotation 3 and a lifting device which is not shown in FIG.
- the lifting device which is designed in the form of an arcuate lifting track 9, has a lifting ramp 13 at one end and a lowering ramp 14 at the other end for lifting a can to be closed or for lowering a can provided with a closure element 22.
- the two ramps 13 and 14 are arranged in relation to the direction of rotation of the rotary star 4 in the region in front of or after the upper part 7 and are connected via a curved rod which has 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. A can can be inserted into each of the recesses 10.
- the perforated disc 8 is arranged above the rotary star 4 coaxially with the star plate at a distance predetermined by the height of the cans. In Figure 1, the perforated disc 8 hides the outer contour of the rotary star 4, which is shown in dashed lines.
- Rotary star 4 and the perforated disc 8 perform the same rotary movements about the axis of rotation 3. Cans that the lifting ramp 12 or the when moving from one station to the next Pass down ramp 13, are pushed into or out of the recesses 10. This movement of the can relative to the perforated disc 8 is here perpendicular to the conveying direction. The cans are guided through the rotary star 4 and the guardrail 6.
- the top housing 7, which is fixedly connected to the table top 1, has a ring segment-shaped basic shape and encompasses part of the top side 21, the inside and outside edge of the perforated disk 8 11 or gas discharge lines 12 are provided.
- the upper side of the upper housing 7 has an insertion opening 15, into which a closure element 22 is inserted, and a feed, which is only shown schematically further closure elements with which further cans can be sealed gas-tight.
- the space delimited by the upper housing 7 and the perforated disk 8 is delimited in the radial direction by three radial sealing lips 16 shown in dashed lines in FIG.
- the sealing lips 16 are fastened to the upper housing 7 and here delimit two channels 27 and 27 'in the radial direction.
- the channels 27 and 27 ' direct the protective gas flowing in and out.
- FIG. 2 shows a detailed view of a station for protective gas purging 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 lifting track 9, in a partial section in side view.
- On the table top 1 of the processing station is the upper housing 7 and the lifting track 9 attached.
- the perforated disk 8 is fastened to the rotary star 4 via a spacer ring 17.
- the perforated disk 8 has two holding disks connected to one another and a disk seal 18 arranged between them and projecting beyond the inner and outer edge of the perforated disk 8.
- the washer seal 18 has punched-outs, the edges of which protrude into the recesses 10.
- the disk seal 18 rests on the one hand on the mutually facing inner sides of the upper housing 7 and on the other hand laterally on the tubular outer side 20 of the can 25 inserted here from below transversely to the conveying direction.
- the area of the filling opening 26 of the can 25 extends approximately to the top 21 of the perforated disk 8.
- Filling opening 26 could also protrude somewhat above it.
- the upper side 21 and the inner surface 19 of the upper housing 7 opposite the filling opening 26 delimit a first channel 27 which directs the flowing protective gas.
- the can 25 with its filling opening 26 is brought to the first channel 27.
- protective gas flows into the first channel 27 via the protective gas supply line 11 and out of the latter via the gas discharge line 12.
- this channel 27 is essentially in a plane parallel to the surface of the filling opening 26
- Shielding gas supplied on the one hand and discharged on the other hand at least part of the flowing protective gas comes into contact with the gas located in the interior of the can 25 via the filling opening 26 and flushes it out of the can 25.
- FIG. 3 shows a detailed view of a filling station with a protective gas flushing of the processing station shown in FIG. 1 in section along the plane III-III and a can 25 that is filled with salted peanuts, for example, in partial section in side view.
- the upper housing 7 has an opening in which a filling device 23 is attached.
- the filling device 23 has a closing flap 24 shown here in the open state.
- the can 25 is filled here through the flowing protective gas.
- a protective gas atmosphere also advantageously prevails in the funnel-shaped filling channel.
- 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 a side view.
- the box 25 is filled here with the salted peanuts as an example. If the can 25 has been filled outside of the device for purging with protective gas in the ambient atmosphere, the purging with protective gas also includes the gas in the space between the individual peanuts. If the empty can 25 is already flushed out with protective gas and / or takes place Filling process in a protective gas atmosphere, the scope of the protective gas purging can be kept smaller before the can 25 is closed.
- the closure element 22 is inserted into the insertion opening 15 in such a way that its lower edge approximates the inside 19 of the upper housing 7.
- the closure element 22 forms part of the wall which lies opposite the filling opening 26 and delimits the flow. Laterally, it lies all around the insertion opening 15 and essentially seals it from the surroundings.
- the inside 19, the closure element 22 and the top 21 of the perforated disc 8 here delimit a further channel 27 'which directs the flowing protective gas in the device for protective gas purging in the closing station.
- the further channel 27 ' also forms, together with the interior of the filled can 25, a substantially closed washing space for a protective gas flushing ge ass of the invention.
- the closure element 22 is a container base, which is pressed against the tube-shaped can wall and temporarily closed, for example by means of a stamp (not shown in FIG. 3).
- the can 25 could just as well be pressed by the appropriately designed lifting path with the filling opening 26 against the closure element 22 and pushed over the upper edge of the upper housing 7.
- the closure element 22, which is now freely accessible laterally from all directions, could easily be attached to the tubular wall using a conventional closure device and the can 25 could thus be finally closed.
- the gas-tight sealed can can leave the device without affecting the atmosphere in the interior of the can.
- the can passes the descent ramp 14 and is guided out of the perforated disc 8 onto the table top 1.
- next closure element 15 Until the next closure element 15 is introduced into the insertion opening 15, air from the ambient atmosphere can penetrate into the further channel 27 ', which is formed here by the inside 19, the perforated disk 8 and the lip seals 16 - shown only in FIG. 1. If the next closure element 22 is inserted into the insertion opening 15, the air which has penetrated is flushed out again from the further channel 27 'by the protective gas flow. A next can to be sealed can be conveyed to the sealing station.
Landscapes
- 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)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03722489A EP1497181B1 (de) | 2002-04-24 | 2003-04-16 | VERFAHREN UND VORRICHTUNG ZUR SCHUTZGAS-SPüLUNG VON BEHALTERN |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02009132A EP1357035A1 (de) | 2002-04-24 | 2002-04-24 | Verfahren und Vorrichtung zur Schutzgas-Spülung von Behältern |
| EP02009132 | 2002-04-24 | ||
| EP03722489A EP1497181B1 (de) | 2002-04-24 | 2003-04-16 | VERFAHREN UND VORRICHTUNG ZUR SCHUTZGAS-SPüLUNG VON BEHALTERN |
| PCT/EP2003/003951 WO2003091106A1 (de) | 2002-04-24 | 2003-04-16 | Verfahren und vorrichtung zur schutzgas-spülung von behältern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1497181A1 true EP1497181A1 (de) | 2005-01-19 |
| EP1497181B1 EP1497181B1 (de) | 2006-08-02 |
Family
ID=28685897
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02009132A Withdrawn EP1357035A1 (de) | 2002-04-24 | 2002-04-24 | Verfahren und Vorrichtung zur Schutzgas-Spülung von Behältern |
| EP03722489A Expired - Lifetime EP1497181B1 (de) | 2002-04-24 | 2003-04-16 | VERFAHREN UND VORRICHTUNG ZUR SCHUTZGAS-SPüLUNG VON BEHALTERN |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02009132A Withdrawn EP1357035A1 (de) | 2002-04-24 | 2002-04-24 | Verfahren und Vorrichtung zur Schutzgas-Spülung von Behältern |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US20050252527A1 (de) |
| EP (2) | EP1357035A1 (de) |
| CN (1) | CN100396564C (de) |
| AT (1) | ATE334883T1 (de) |
| AU (1) | AU2003229681A1 (de) |
| DE (1) | DE50304476D1 (de) |
| ES (1) | ES2270019T3 (de) |
| NZ (1) | NZ535923A (de) |
| WO (1) | WO2003091106A1 (de) |
Families Citing this family (5)
| 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 |
Family Cites Families (13)
| 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 (de) | 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 |
-
2002
- 2002-04-24 EP EP02009132A patent/EP1357035A1/de not_active Withdrawn
-
2003
- 2003-04-16 AU AU2003229681A patent/AU2003229681A1/en not_active Abandoned
- 2003-04-16 CN CNB038090740A patent/CN100396564C/zh not_active Expired - Fee Related
- 2003-04-16 US US10/512,441 patent/US20050252527A1/en not_active Abandoned
- 2003-04-16 NZ NZ535923A patent/NZ535923A/en not_active IP Right Cessation
- 2003-04-16 DE DE50304476T patent/DE50304476D1/de not_active Expired - Lifetime
- 2003-04-16 ES ES03722489T patent/ES2270019T3/es not_active Expired - Lifetime
- 2003-04-16 WO PCT/EP2003/003951 patent/WO2003091106A1/de not_active Ceased
- 2003-04-16 EP EP03722489A patent/EP1497181B1/de not_active Expired - Lifetime
- 2003-04-16 AT AT03722489T patent/ATE334883T1/de not_active IP Right Cessation
-
2009
- 2009-05-05 US US12/435,875 patent/US8137480B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03091106A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1646373A (zh) | 2005-07-27 |
| NZ535923A (en) | 2007-01-26 |
| WO2003091106A1 (de) | 2003-11-06 |
| US20050252527A1 (en) | 2005-11-17 |
| CN100396564C (zh) | 2008-06-25 |
| 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 |
| EP1497181B1 (de) | 2006-08-02 |
| EP1357035A1 (de) | 2003-10-29 |
| DE50304476D1 (de) | 2006-09-14 |
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