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EP0942870A1 - Dispositif de conditionnement sous vide et sous gaz de paquets remplis - Google Patents

Dispositif de conditionnement sous vide et sous gaz de paquets remplis

Info

Publication number
EP0942870A1
EP0942870A1 EP97909132A EP97909132A EP0942870A1 EP 0942870 A1 EP0942870 A1 EP 0942870A1 EP 97909132 A EP97909132 A EP 97909132A EP 97909132 A EP97909132 A EP 97909132A EP 0942870 A1 EP0942870 A1 EP 0942870A1
Authority
EP
European Patent Office
Prior art keywords
pack
gassing
gas
opening
openings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97909132A
Other languages
German (de)
English (en)
Other versions
EP0942870B1 (fr
Inventor
Klaus Domke
Herbert Stotkiewitz
Wolfgang Diener
Lothar Heber
Guenter Kurz
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 EP0942870A1 publication Critical patent/EP0942870A1/fr
Application granted granted Critical
Publication of EP0942870B1 publication Critical patent/EP0942870B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65B31/02—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
    • B65B31/024—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 specially adapted for wrappers or bags

Definitions

  • the invention relates to a device for evacuating and gassing filled packs, as has become known for example from DE-AS 11 77 065.
  • the known device has a mouthpiece, the gassing openings of which are directed downwards in the direction of the opening of the head region of the pack, which projects like a fin from the shoulders of the pack, and laterally.
  • the head region and opening of which are always in the same position in the chamber, a reduction of the residual oxygen content in the pack is possible with the known device.
  • the device according to the invention for evacuating and gassing filled packs with the characterizing features of claim 1 has the advantage that a sufficiently high amount of protective gas always gets into the inside of the pack almost regardless of the position of the opening of the pack in the chamber, so that always very low levels of residual acid can be achieved.
  • FIG. 1 shows an evacuation chamber in a simplified longitudinal section
  • FIG. 2 shows a gassing device in a perspective view.
  • Evacuation and gassing of bag packs 1 consisting of flexible foils has an evacuation chamber 11.
  • the evacuation chamber 11 consists of a stationary, essentially plate-shaped upper part 12, and a pot-shaped lower part 13 that can be moved up and down.
  • In the upper part 12 protrudes a tube 14 which is connected to a vacuum source, not shown.
  • a sealing tool 15 for forming a closure seam is arranged in the head region 2 of the bag pack 1 in the evacuation chamber 11.
  • the sealing tool 15 has two movable against each other
  • the bag pack 1 is clamped between two holders 18, 19 which fix the bag pack 1 in the evacuation chamber 11 during evacuation and gassing. Above the sealing tool 15 and the head region 2 of the bag pack 1 there is one
  • Fumigation device 20 is arranged, which, like the sealing tool 15, is preferably connected to the upper part 12 of the evacuation chamber 11.
  • the gassing device 20 has a strip-shaped, preferably cuboid-shaped gassing tube 21, which covers a slit-shaped opening 3, which is formed by the head region 2 of the bag pack 1, which projects out like a fin from the shoulders 4 of the bag pack 1.
  • the gassing openings 23 are connected to a protective gas source via a feed 24 protruding from the gassing pipe 21.
  • the arrangement of the gassing openings 23 is such that they extend essentially transversely, that is to say at right angles to the opening 3 of the bag pack 1.
  • the fumigation tube 21 is shown pivoted in FIG. In the operating position of the Fumigation tube 21 is aligned in parallel over the bag pack 1.
  • the device 10 described above works as follows: A previously filled and folded in the head area 2
  • Bag pack 1 is placed in the lower end position 13 of the evacuation chamber 11 between the holders 18, 19 and held by them. Then the lower part 13 is moved upwards so that it closes tightly with the upper part 12. Then air is sucked out of the interior of the evacuation chamber 11 and the inside of the bag pack by means of the vacuum source via the pipe 14.
  • the aim is to reduce the air or oxygen in the bag pack 1 in order to enable the goods, in particular coffee, in the bag pack 1 to have a longer shelf life.
  • This goal is supported by simultaneous gassing of the goods using an inert protective gas, in particular using nitrogen.
  • the protective gas with a certain excess pressure, for example 0.5 bar is introduced into the opening 3 of the bag pack 1 via the gassing openings 23.
  • the inflowing protective gas causes a flushing and displacement of the air located inside the bag package 1.
  • the two sealing jaws 16, 17 of the sealing tool 15 move against one another and form a tight sealing seam in the head region 2 of the bag package 1. Finally, the atmospheric pressure is restored produced in the evacuation chamber 11, whereupon the lower part 13 is moved downwards in order to discharge the finished bag pack 1. Due to the special shape and arrangement of the gassing openings 23 in the gassing tube 21, regardless of the exact position of the opening 3 of the bag pack 1 in relation to the gassing tube 21, surprisingly always very low

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vacuum Packaging (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

Un dispositif (1) de conditionnement sous vide et sous gaz protecteur d'un sachet (1) comprend une chambre à faire le vide à deux compartiments (11), dans laquelle est installé, au dessus de l'ouverture (3) de l'emballage-sachet (1) un conduit parallélépipédique de conditionnement sous gaz (21). Sur la face inférieure (22) dudit conduit (21) sont prévus des orifices d'admission de gaz (23) en forme de fentes, disposées parallèles les unes aux autres et à angle droit par rapport à l'ouverture (3) du sachet (1). L'avantage du dispositif (10) selon l'invention est qu'il permet, quelle que soit la position exacte de l'ouverture (3) du sachet (1) placé en aval du conduit de conditionnement sous gaz (21), de faire le vide au point de ne plus laisser subsister à l'intérieur dudit sachet (1) que quelques résidus d'oxygène.
EP97909132A 1996-11-08 1997-09-13 Dispositif de conditionnement sous vide et sous gaz de paquets remplis Expired - Lifetime EP0942870B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29619396U 1996-11-08
DE29619396U DE29619396U1 (de) 1996-11-08 1996-11-08 Vorrichtung zum Evakuieren und Begasen von gefüllten Packungen
PCT/DE1997/002065 WO1998021099A1 (fr) 1996-11-08 1997-09-13 Dispositif de conditionnement sous vide et sous gaz de paquets remplis

Publications (2)

Publication Number Publication Date
EP0942870A1 true EP0942870A1 (fr) 1999-09-22
EP0942870B1 EP0942870B1 (fr) 2000-12-20

Family

ID=8031641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97909132A Expired - Lifetime EP0942870B1 (fr) 1996-11-08 1997-09-13 Dispositif de conditionnement sous vide et sous gaz de paquets remplis

Country Status (6)

Country Link
EP (1) EP0942870B1 (fr)
JP (1) JP2001504064A (fr)
BR (1) BR9713336A (fr)
DE (2) DE29619396U1 (fr)
ES (1) ES2153652T3 (fr)
WO (1) WO1998021099A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003024804A1 (fr) * 2001-09-14 2003-03-27 Sealed Air (New Zealand) Limited Machine de conditionnement a evacuation de gaz
CZ13585U1 (cs) * 2003-03-21 2003-08-18 Jan Ing. Mašek Zařízení na dosažení hlubokého vakua
ITVR20060181A1 (it) * 2006-11-24 2008-05-25 Marziano Salvaro Apparecchiatura per il confezionamento sottovuoto di prodotti alimentari
DE102009002441A1 (de) * 2009-04-16 2010-10-21 Robert Bosch Gmbh Vorrichtung und Verfahren zum Ausrichten von Verpackungen
CN102295082B (zh) * 2011-05-20 2013-01-23 苏州工业园区森德保鲜科技有限公司 真空充气包装设备
JP6319787B2 (ja) * 2013-12-04 2018-05-09 株式会社古川製作所 ガス置換包装装置
CN106742216A (zh) * 2016-11-24 2017-05-31 北京百灵威科技有限公司 一种无水无氧溶剂的包装方法
CN107054781A (zh) * 2017-03-21 2017-08-18 温州市鸿瑛机械有限公司 包装机袋口清理装置
DE102021003048A1 (de) 2021-06-02 2022-12-08 Dürr Somac GmbH Vorrichtung zum Befüllen eines nicht vakuumfesten Systems mittels Vakuum-Druck-Befüllung
CN114834709A (zh) * 2022-04-27 2022-08-02 张志坚 一种包装袋的封口方法、封口装置与包装设备

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177065B (de) * 1961-06-30 1964-08-27 Hesser Ag Maschf Kammer fuer das Evakuieren und Begasen von gefuellten Packungen aller Art

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9821099A1 *

Also Published As

Publication number Publication date
DE59702795D1 (de) 2001-01-25
WO1998021099A1 (fr) 1998-05-22
ES2153652T3 (es) 2001-03-01
DE29619396U1 (de) 1998-03-05
JP2001504064A (ja) 2001-03-27
EP0942870B1 (fr) 2000-12-20
BR9713336A (pt) 2000-05-09

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