EP0832819B1 - Vakuumverpackungsvorrichtung, insbesondere für Nahrungsmittel - Google Patents

Vakuumverpackungsvorrichtung, insbesondere für Nahrungsmittel Download PDF

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Publication number
EP0832819B1
EP0832819B1 EP97116633A EP97116633A EP0832819B1 EP 0832819 B1 EP0832819 B1 EP 0832819B1 EP 97116633 A EP97116633 A EP 97116633A EP 97116633 A EP97116633 A EP 97116633A EP 0832819 B1 EP0832819 B1 EP 0832819B1
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EP
European Patent Office
Prior art keywords
film
vacuum chamber
thermal bonding
vacuum
chamber
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 - Lifetime
Application number
EP97116633A
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English (en)
French (fr)
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EP0832819A1 (de
Inventor
Andrea Piron
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.)
Scolaro Mauro
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Scolaro Mauro
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 Scolaro Mauro filed Critical Scolaro Mauro
Priority to SI9730119T priority Critical patent/SI0832819T1/xx
Publication of EP0832819A1 publication Critical patent/EP0832819A1/de
Application granted granted Critical
Publication of EP0832819B1 publication Critical patent/EP0832819B1/de
Anticipated expiration legal-status Critical
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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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/48—Enclosing articles, or quantities of material, by folding a wrapper, e.g. a pocketed wrapper, and securing its opposed free margins to enclose contents
    • 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
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas

Definitions

  • the present invention relates to a packaging device, particularly for foodstuffs or technical materials.
  • Vacuum-forming machines with a bell-shaped chamber which comprise a vacuum pump connected to a chamber, also known as vacuum chamber, and inside which a preformed pouch, open on three sides, is usually placed; a foodstuff is placed inside the pouch.
  • the preformed pouch already contains the foodstuff when it is inserted in the vacuum chamber, then vacuum is formed inside the chamber and thermal bonding is carried out at the free side of the preformed pouch.
  • This conventional technology entails the need to use preformed pouches, whose size is therefore comparable to the size of the product; considerable manual labor is also required.
  • EP-603.704 is also known in which foodstuffs are packaged by using a plastic film which is guided through a folding station in order to obtain a double layer and is then thermally bonded so as to form pockets.
  • the pockets are provided with the intended size or capacity before being filled and sealed.
  • Hot or cold formation of the plastic film is furthermore provided for, in addition to filling, by means of a nozzle, with liquid products, flours or finely granulated products, and therefore it is not possible to use the solution described for solid products having preset volumes, such as sliced ham and the like, meat, cheeses divided into portions, trays containing foodstuffs and non-food products.
  • a device having features as comprises in the preamble of claim 1 is known from the prior document EP-A-0 405 718.
  • the aim of the present invention is to solve the above-described problems, by eliminating the drawbacks of the cited prior art and thus by providing a device which allows the vacuum or compensated-vacuum packaging of technical products or foodstuffs such as sliced ham or the like, meat, cheeses divided into portions, and trays containing food and non-food products.
  • an important object of the present invention is to provide a device which allows to package said products quickly and with limited personnel intervention.
  • Another important object of the present invention is to provide a product packaging device which has a reduced operating cycle with short execution times.
  • Another important object of the present invention is to provide a device in which said packaging can occur at a very low cost for each individual package.
  • Another important object of the present invention is to provide a device which also allows to use shrink-wrap films, optionally with the possibility to use a reduced amount of gas which is sufficient only for the package that contains the product.
  • Another object of the present invention is to provide a device which is also reliable and safe in use.
  • the reference numeral 1 designates the packaging device particularly for technical materials or foodstuffs, which are designated by the reference numeral 2.
  • the device 1 comprises a bell-shaped vacuum chamber, designated by the reference numeral 3, which is substantially constituted by a lower container 4 and by a closeable upper cover 5; suitable first strips or gaskets 6 for airtightness are provided perimetrically with respect to the container 4 and the cover 5.
  • the device uses a single-folded film 7, which as such has a first longitudinal side 8 which is closed and a second longitudinal side 9 which is open.
  • a first thermal bonding bar 11 is arranged transversely inside the bell-shaped vacuum chamber 3 at its inlet 10; a substantially L-shaped cutting blade 12 is arranged laterally to said first thermal bonding bar 11, and a first wing 13 of the blade is parallel to the first thermal bonding bar 11, whilst the second wing 14 is arranged at right angles to the first wing in the direction of the advancement of the single-folded film 7.
  • a likewise L-shaped second thermal bonding bar 15 is provided adjacent to the cutting blade 12 and forms a third wing 16, which is adjacent and parallel to the first wing 13, and a fourth wing 17, which is adjacent and parallel to the second wing 14.
  • the first thermal bonding bar 11, the second thermal bonding bar 15 and the cutting blade 12 are advantageously but not necessarily associated with a same support 50 which is movable inside the bell-shaped vacuum chamber and work in abutment against suitable contrast elements 51 which are associated inside the cover 5.
  • the bell-shaped vacuum chamber 3 also contains at least one nozzle 18 which allows to produce vacuum and/or to inject gas or mixtures either at the second open longitudinal side 9 of the single-folded film or at the fourth transverse side 20 which is adjacent to the lateral inlet 10 of the bell-shaped vacuum chamber.
  • the solution shown in figure 2 uses a nozzle 18 which has a lens-shaped cross-section and is inserted hermetically from the lateral inlet 10 of the bell-shaped chamber by means of a suitable piston 31.
  • the piston 31 causes the nozzle to retract in order to allow activation of the first and second thermal bonding bars 11,15 and of the cutting blade 12 so as to obtain a closed package 21.
  • a presser 32 which can move inside the bell-shaped chamber 3 and provides a seal because of the presence, at one of its ends, of a second strip or gasket 33 which works in contrast with a third strip or gasket 34 arranged inside the cover 5.
  • the vacuum and/or the controlled atmosphere are produced in the bell-shaped chamber and inside the package 21 across a first path 35 and a second separate path 36, each whereof has a sensor 36a and 36b which detects and controls internal pressure.
  • the nozzle which advantageously has a lens-shaped cross-section, injects gas or mixtures, if required; then the first thermal bonding bar 11 is activated, forming the third closed transverse side 19 of the next container or package 21 that can be obtained; then the second thermal bonding bar 15 is activated, closing both the fourth transverse side 20 and the second longitudinal side 9.
  • a closed package 21 is then obtained by activating the cutting blade 12.
  • the invention has achieved the intended aim and objects, a device having been provided which, by using a single-folded film, allows to obtain a vacuum or controlled-atmosphere package even with shrink-wrap films by means of an operating sequence that occurs only at the bell-shaped vacuum chamber, without the need to handle the product, allowing to package solid products such as sliced ham or the like, meat, cheeses divided into portions and trays containing both foodstuffs and non-food products.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)

Claims (21)

  1. Verpackungsvorrichtung, insbesondere zum Verpacken von Nahrungsmitteln oder technischen Materialien, die zwischen die in Längsrichtung gefalteten Teile einer einfach gefalteten Folie von einer offenen Seite der Folie aus einführbar sind, wobei die Vorrichtung im wesentlichen L-förmige Mittel zum Wärmekleben (11, 12, 15) zum Versiegeln der Folie sowohl an ihrer offenen Längsseite (9) als auch an ihren Querseiten (20) und zumindest eine Düse (18) zum Erzeugen eines Vakuums und/oder Einführen eines Gases oder eines Gemisches enthält, dadurch gekennzeichnet, daß sie ferner eine Vakuumkammer (3) enthält, die zum Aufnehmen einer Länge der zumindest einen einfach gefalteten Folie (7) mit einem darin eingeführten zu verpackenden Material (2) zu öffnen und entsprechend abdichtend verschließbar ist, worauf das Erzeugen eines Vakuums und/oder das Einführen eines Gases oder eines Gemisches so erfolgt, daß die Folienlänge eine taschenähnliche Form annimmt, und daß Mittel zum Wärmekleben (11, 12, 15) zum Betrieb in der Vakuumkammer (3) angeordnet sind, wobei die zumindest eine Düse (18) so an der Vakuumkammer (3) positioniert ist, daß sie bei Schließen derselben der offenen Längsseite (9) und/oder der offenen Querseite (20) der Folienlänge gegenübersteht.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Vakuumkammer (3) aus einem unteren Behälter (4) und einer oberen schließbaren Abdeckung (5) besteht, die jeweils an ihrem Umfang erste Dichtungsstreifen oder Dichtungen (6) haben.
  3. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Mittel zum Wärmekleben eine erste Wärmeklebeschiene (11) und angrenzend daran eine Schneidklinge (12) und eine zweite Wärmeklebeschiene (15) haben, wobei die erste und die zweite Wärmeklebeschiene (11, 15) zum Schließen der drei offenen Seiten (9, 19, 20) der zumindest einen einfach gefalteten Folie nacheinander betätigbar sind, um zumindest eine geschlossene Tasche oder einen geschlossenen Behälter zu erzeugen.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die erste Wärmeklebeschiene (11) quer zur Einführrichtung der einfach gefalteten Folie (7) an dem Folieneingang (10) der Vakuumkammer (3) angeordnet ist.
  5. Vorrichtung nach den Ansprüchen 1 und 4, dadurch gekennzeichnet, daß die Schneidklinge (12) im wesentlichen L-förmig ist und seitlich an die erste Wärmeklebeschiene (11) angrenzt.
  6. Vorrichtung nach den Ansprüchen 1 und 5, dadurch gekennzeichnet, daß die Schneidklinge (12) einen seitlich an die erste Wärmeklebeschiene (11) angrenzenden ersten Flügel (13) und einen rechtwinklig dazu angeordneten zweiten Flügel (14) hat.
  7. Vorrichtung nach den Ansprüchen 1 und 6, dadurch gekennzeichnet, daß die zweite Wärmeklebeschiene (15) im wesentlichen L-förmig ist und an die Schneidklinge (12) angrenzt.
  8. Vorrichtung nach den Ansprüchen 1 und 7, dadurch gekennzeichnet, daß die zweite Wärmeklebeschiene (15) einen an den ersten Flügel (13) der Schneidklinge (12) angrenzenden dritten Flügel (16) und einen an den zweiten Flügel (14) der Schneidklinge (12) angrenzenden vierten Flügel (17) hat.
  9. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie zumindest eine Strömungsverbindung (35, 36) hat, die eine Vakuumpumpe und/oder eine Gas/Gemischzufuhr mit dem Inneren der Kammer (3) verbindet, um in der Vakuumkammer (3) ein Vakuum und/oder eine geregelte Atmosphäre zu erzeugen.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß sie getrennte erste (35) und zweite (36) Verbindungen zum Erzeugen eines Vakuums und/oder Einspritzen von Gas oder Gemischen in die Vakuumkammer (3) hat, wobei an jeder Verbindung (35, 36) ein entsprechender Sensor (36a, 36b) zum Erfassen und Steuern des Drucks in der Vakuumkammer (3) und/oder der einfach gefalteten Folie (7) angeordnet ist.
  11. Vorrichtung nach einem oder mehreren der Ansprüche 3 bis 10, dadurch gekennzeichnet, daß die erste (11) und die zweite (15) Wärmeklebeschiene sowie die Schneidklinge (12) zumindest einem Träger (50) zugeordnet sind, der in der Kammer (3) so bewegbar ist, daß er mit geeigneten Gegenelementen (51) in der Abdeckung (5) zusammenwirkt.
  12. Vorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die zumindest eine Düse (18) durch die Wirkung eines geeigneten Kolbens (31) hermetisch in die Vakuumkammer (3) einführbar und daraus herausziehbar ist.
  13. Vorrichtung nach den Ansprüchen 1 und 12, dadurch gekennzeichnet, daß sie eine Druckvorrichtung (32) enthält, die in der Vakuumkammer (3) bewegbar ist und an einem Ende einen zweiten Dichtungsstreifen oder eine zweite Dichtung (33) hat, die mit einem in der Abdeckung (5) angeordneten dritten Dichtungsstreifen oder einer dritten Dichtung (34) als Gegenelement zusammenwirkt, um dazwischen die Folie (7) in der taschenähnlichen Form zu versiegeln.
  14. Vorrichtung nach einem oder mehreren der Ansprüche 1, 3, 4, 12 und 13, dadurch gekennzeichnet, daß die zumindest eine Düse (18) in der Vakuumkammer (3) an der offenen Längsseite (9) der einfach gefalteten Folie (7) angeordnet und mit einer Gas- oder Gemischzufuhr verbunden ist.
  15. Vorrichtung nach einem oder mehreren der Ansprüche 1, 3, 4, 12 und 13, dadurch gekennzeichnet, daß die zumindest eine Düse (18) an dem Folieneingang (10) der Vakuumkammer (3) an der offenen Querseite (20) der einfach gefalteten Folie (7) angeordnet ist.
  16. Verfahren zum Verpacken von Nahrungsmitteln oder technischen Materialien, die zwischen die in Längsrichtung gefalteten Teile einer einfach gefalteten Folie von einer offenen Seite der Folie aus einführbar sind, wobei das Verfahren die Schritte enthält:
    a) Bereitstellen einer zu öffnenden/verschließbaren Vakuumkammer (3) und von Mitteln zum Wärmekleben (11, 12, 15), die im wesentlichen L-förmig und zum Betrieb innerhalb der Vakuumkammer (3) angeordnet sind;
    b) Positionieren zumindest einer Länge einer einfach gefalteten Folie (7) mit darin eingeführtem Material (2) in die geöffnete Vakuumkammer (3);
    c) abdichtendes Verschließen der Vakuumkammer (3), wodurch die Folie eine taschenähnliche Form annimmt, und Erzeugen eines Vakuums und/oder einer geregelten Atmosphäre in der Kammer (3) und der einfach gefalteten Folie (7) durch zumindest eine Düse (18), die so angeordnet ist, daß sie bei Schließen der Kammer der offenen Längsseite (9) und/oder der offenen Querseite (20) der Folienlänge gegenübersteht, und/oder durch zumindest eine Strömungsverbindung (35, 36), die an eine Vakuumpumpe und/oder eine Gas- oder Gemischzufuhr angeschlossen ist;
    d) Wärmeversiegeln der Folienlänge in der geschlossenen Kammer sowohl an der offenen Längsseite (9) als auch an den offenen Querseiten (19, 20) durch die Mittel zum Wärmekleben (11, 12, 15), um eine geschlossene Tasche oder einen geschlossenen Behälter zu erzeugen.
  17. Verfahren nach Anspruch 16, wobei zum Schließen der drei offenen Seiten (9, 19, 20) der einfach gefalteten Folie (7) nacheinander die Mittel zum Wärmekleben betrieben werden, die aus einer an der Eingangsseite (10) der Kammer (3) quer zur Einführrichtung der Folie (7) angeordneten ersten Wärmeklebeschiene (11) und einer daran angrenzenden Schneidklinge (12) sowie einer zweiten Wärmeklebeschiene (15) bestehen, wobei die Schneidklinge (12) und die zweite Schiene (15) im wesentlichen L-förmig sind.
  18. Verfahren nach Anspruch 17, dadurch gekennzeichnet, daß die zweite Wärmeklebeschiene (15) in Schritt d) das vollständige Verschließen der offenen Seiten der zumindest einen einfach gefalteten Folie (7) durchführt, um eine geschlossene Verpackung herzustellen.
  19. Verfahren nach einem oder mehreren der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß es zyklisch ist und für jeden Zyklus die Schritte des Einführens des Materials an der zweiten, offenen Längsseite (9) der Länge einfach gefalteter Folie (7), des Einführens der Folie mit dem darin enthaltenen Material in die Vakuumkammer (3) zwecks Erzeugen eines Vakuums und einer geregelten Atmosphäre, und des Wärmeversiegelns der Folie enthält.
  20. Verfahren nach einem der Ansprüche 16 bis 19, dadurch gekennzeichnet, daß in Schritt c) zumindest in der in der Vakuumkammer (3) enthaltenen zumindest einen einfach gefalteten Folie (7) ein Vakuum und, fakultativ durch Einspritzen von Gas oder eines Gemisches, eine geregelte Atmosphäre erzeugt wird.
  21. Verfahren nach einem der Ansprüche 16 bis 20, dadurch gekennzeichnet, daß das Vakuum in Schritt c) durch die zumindest eine Strömungsverbindung (35, 36) erzeugt wird, während die geregelte Atmosphäre durch die zumindest eine Düse (18) erzeugt wird.
EP97116633A 1996-09-26 1997-09-24 Vakuumverpackungsvorrichtung, insbesondere für Nahrungsmittel Expired - Lifetime EP0832819B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730119T SI0832819T1 (en) 1996-09-26 1997-09-24 Vacuum packaging device,particularly for foodstuffs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITAL960002 1996-09-26
IT96AL000002A IT1287080B1 (it) 1996-09-26 1996-09-26 Apparato per il confezionamento in sottovuoto e/o in atmosfera modificata di prodotti alimentari o materiali tecnici con un sistema

Publications (2)

Publication Number Publication Date
EP0832819A1 EP0832819A1 (de) 1998-04-01
EP0832819B1 true EP0832819B1 (de) 2000-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97116633A Expired - Lifetime EP0832819B1 (de) 1996-09-26 1997-09-24 Vakuumverpackungsvorrichtung, insbesondere für Nahrungsmittel

Country Status (8)

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EP (1) EP0832819B1 (de)
AT (1) ATE198303T1 (de)
DE (1) DE69703776T2 (de)
ES (1) ES2154866T3 (de)
GR (1) GR3035639T3 (de)
IT (1) IT1287080B1 (de)
PT (1) PT832819E (de)
SI (1) SI0832819T1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011101190A1 (en) 2010-02-19 2011-08-25 Extru Sa Device for vacuum packaging, particularly of food products
WO2012080932A1 (en) 2010-12-13 2012-06-21 Blu Pack Di Scolaro Mauro Device for vacuum packaging, particularly of food products

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1290225A (zh) 1998-03-25 2001-04-04 莫洛斯考拉罗 在真空室里包装材料的装置
CZ13585U1 (cs) * 2003-03-21 2003-08-18 Jan Ing. Mašek Zařízení na dosažení hlubokého vakua
IT1391490B1 (it) * 2008-10-17 2011-12-23 Extru Sa Dispositivo per il confezionamento sottovuoto, particolarmente di prodotti alimentari
IT1398114B1 (it) * 2010-02-19 2013-02-07 Extru Sa Dispositivo per il confezionamento sottovuoto, particolarmente di prodotti alimentari
IT1401384B1 (it) * 2010-08-06 2013-07-18 Extru Sa Dispositivo perfezionato per il confezionamento sottovuoto, particolarmente di prodotti alimentari e materiali tecnici.
ITMI20121274A1 (it) * 2012-07-23 2014-01-24 Decofilm Spa Macchina per il confezionamento sottovuoto utilizzando film monopiega
IT201900000905A1 (de) 2017-03-24 2018-09-24

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780043A (en) * 1953-06-25 1957-02-05 Swift & Co Packaging under air pressure
GB974529A (en) * 1962-11-20 1964-11-04 Smith & Nephew Plastics Improvements in and relating to packaging machines
US4177622A (en) * 1978-06-07 1979-12-11 Weldotron Corporation Bag sealing apparatus with bag evacuation means
DE4243325C2 (de) 1992-12-21 1996-06-05 Unionpack Ind Lohnverpackungs Verfahren und Vorrichtung zum kontinuierlichen Herstellen von gefüllten Folienbehältern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011101190A1 (en) 2010-02-19 2011-08-25 Extru Sa Device for vacuum packaging, particularly of food products
WO2012080932A1 (en) 2010-12-13 2012-06-21 Blu Pack Di Scolaro Mauro Device for vacuum packaging, particularly of food products

Also Published As

Publication number Publication date
ITAL960002A0 (it) 1996-09-26
DE69703776T2 (de) 2001-08-02
SI0832819T1 (en) 2001-06-30
PT832819E (pt) 2001-05-31
IT1287080B1 (it) 1998-07-30
DE69703776D1 (de) 2001-02-01
ES2154866T3 (es) 2001-04-16
ITAL960002A1 (it) 1998-03-26
EP0832819A1 (de) 1998-04-01
ATE198303T1 (de) 2001-01-15
GR3035639T3 (en) 2001-06-29

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