EP0116124B2 - Procédé et dispositif pour la rétraction d'une housse rétractable qui est tirée au dessus d'une pile d'articles - Google Patents

Procédé et dispositif pour la rétraction d'une housse rétractable qui est tirée au dessus d'une pile d'articles Download PDF

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Publication number
EP0116124B2
EP0116124B2 EP83110893A EP83110893A EP0116124B2 EP 0116124 B2 EP0116124 B2 EP 0116124B2 EP 83110893 A EP83110893 A EP 83110893A EP 83110893 A EP83110893 A EP 83110893A EP 0116124 B2 EP0116124 B2 EP 0116124B2
Authority
EP
European Patent Office
Prior art keywords
stack
goods
pallet
envelope
hood
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
EP83110893A
Other languages
German (de)
English (en)
Other versions
EP0116124B1 (fr
EP0116124A1 (fr
Inventor
Reiner W. Hannen
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.)
MSK Verpackungs Systeme GmbH
Original Assignee
MSK Verpackungs Systeme 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6747009&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0116124(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MSK Verpackungs Systeme GmbH filed Critical MSK Verpackungs Systeme GmbH
Priority to AT83110893T priority Critical patent/ATE20015T1/de
Publication of EP0116124A1 publication Critical patent/EP0116124A1/fr
Application granted granted Critical
Publication of EP0116124B1 publication Critical patent/EP0116124B1/fr
Publication of EP0116124B2 publication Critical patent/EP0116124B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
    • B65B53/066—Mobile frames, hoods, posts or the like

Definitions

  • the invention relates to a method for shrinking a shrink hood, which is pulled over a palletized good stack in particular and is fixed with its free opening edge at the lower end of the good stack or on the pallet and is then subjected to heat energy from the outside.
  • a method for shrinking a shrink hood which is pulled over a palletized good stack in particular and is fixed with its free opening edge at the lower end of the good stack or on the pallet and is then subjected to heat energy from the outside.
  • Such a method is known from GB-A-2 014 106.
  • the invention also relates to an apparatus for performing the method.
  • packaged goods or piece goods are stacked on a pallet.
  • the stack of goods is covered with a shrink hood, which is then shrunk by supplying thermal energy and attaches itself firmly to the stack of goods, protecting and holding it. So that the shrink hood does not move during the shrinking process and also creates a connection to the pallet, the shrink hood is during the shrinking process. held in the lower area of the stack of goods or on the pallet.
  • the inner layer of the shrink hood made of separating layer film has a higher melting point, which is why the shrink properties in this film are worse than that of a shrink hood made of simple film.
  • the inner film slows down the shrinking of the shrink hood, which is usually made of PE.
  • the invention is therefore based on the object of specifying a method and a device of the type described at the outset with which shrink hoods, which consist in particular of PE, can also be shrunk over a stack of goods, the small containers of which in turn are packaged in PE.
  • the walls of the shrink hood are kept at a distance from the walls of the stack of goods during shrinking, so that welding of the material of the shrink hood to the packaging material of the small containers which form the stack of goods is largely ruled out. Since the overpressure within the shrink hood is caused by the supply of fresh air, the outer walls of the stack of goods are additionally cooled so that they cannot even reach the temperature of the shrink hood.
  • the free opening edge of the shrink hood should be defined under the pallet and an air jet should be blown against the underside of the pallet. Since the pallets have support feet which are arranged at a distance from one another, the air blown against the underside of the pallet can escape between the support feet and get under the shrink hood, the free opening edge of which between the underside of the support feet and a transport plane, for example of the webs Chain conveyor is formed, is jammed.
  • the heat energy for shrinking the shrink hood is expediently supplied with a hot gas jet which emerges from a hot gas mast that can be guided around the palletized stack of goods.
  • a hot gas mast that can be guided around the palletized stack of goods.
  • Various burners are distributed over the height of such a hot gas mast, which can optionally also be controlled independently of one another.
  • there is also the possibility of reducing the supply of thermal energy in the area of the edges of the stack of goods because in the area of the edges of the stack of goods the shrink hood lies against the stack of goods or put the shrink hood on early while shrinking.
  • the welding of the shrink hood material to the packaging material of the small container can also be prevented there.
  • a device for carrying out the method generally has a chain conveyor and a hot gas mast arranged in the area of the chain conveyor (GB-A-20 14 106).
  • a blower should be arranged below the transport plane of the chain conveyor and in the area of the hot gas mast and should be designed as a pressure blower with a fan jet directed at the transport plane.
  • the single figure shows a schematic representation and partially a side view of a shrinking device for palletized stacks of goods, which are covered with a shrink hood.
  • a stack of goods 3 is transported on a pallet 4 in the direction of arrow 5 on a chain conveyor 1, the tracks of which, not shown in detail, form a transport plane 2.
  • the chains of the chain conveyor 1 arranged in lanes are guided over deflection devices (not shown) and returned in the direction of arrow 6 in a plane below the transport plane 2.
  • a shrink hood 7 is pulled over the stack of goods 2, the free opening edge 8 of the shrink hood 8 being clamped between the support feet 9 of the pallet 4 and the tracks of the chain conveyor 1.
  • the pallet 4 with the stack of goods 3 and the shrink hood 7 is brought by the chain conveyor 1 into the area of a shrinking device 10 which has a carrier 11 for an arm 12 pivotable thereon about a vertical axis.
  • a hot gas mast 13 is suspended from the free end of the arm 12 and extends into the area of the pallet 4.
  • the hot gas mast 10 has a number of burners, not shown, the emerging hot gas jets 14 of which are directed onto the shrink hood 7.
  • the hot gas mast 13 can be moved around the stack of goods 3 by the arm 12.
  • the pressure blower 15 When the pallet 4 with the stack of goods 3 is above the pressure blower 15, the pressure blower 15 is put into operation.
  • the fan jet 16 places the space enclosed by the shrink hood 7 under excess pressure and inflates the shrink hood 7 in the manner shown.
  • the burners of the hot gas mast 13 are ignited and the hot gas mast 13 is guided around the stack 3 of goods. Because of the distance of the shrink hood 7 from the piece goods 3, which in turn can be packaged again, the heating of the packaging of these piece goods remains low and welding of the shrink hood material to the packaging material is prevented. The cooling effect of the air conveyed by the pressure blower 15 also contributes to this.
  • the burners of the hot gas mast 13 can work with reduced output in order to prevent the shrink hood material from being welded to the packaging material of the piece goods in these areas.

Claims (6)

1. Procédé pour la rétraction d'une housse rétractable (7) que l'on glisse par dessus une pile d'articles, en particulier palettisée (3) et que l'on fixe par son bord libre d'ouverture (8) à l'extrémité inférieure de la pile d'articles (3) ou à la palette et à laquelle on applique alors de l'énergie thermique de l'extérieur, caractérisé en ce que l'on met sous surpression l'espace délimité par la housse rétractable par air frais jusqu'à ce que la housse rétractable (7) se gonfle, la surpression étant inférieure aux contraintes de rétraction à prévoir, et en ce qu'alors on amène de l'énergie thermique de l'extérieur à la housse rétractable en maintenant la surpression.
2. Procédé selon la revendication 1, caractérisé en ce que l'on fixe sous la palette (4) le bord libre d'ouverture (8) de la housse rétractable (7), et en ce que l'on souffle un jet d'air (16) contre le côté inférieur de la palette (4).
3. Procédé selon la revendication 2, caractérisé en ce que l'on enserre le bord libre d'ouverture (8) de la housse rétractable (7) entre le côté inférieur de la palette (4) et les voies (2) d'un transporteur à chaînes (1).
4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'on apporte l'énergie thermique avec un jet de gaz chaud (14).
5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'on réduit l'apport d'énergie thermique dans la région des bords de la pile d'articles (3).
6. Dispositif pour la mise en oeuvre du procédé selon l'une des revendications 1 à 5, muni d'un transporteur à chaînes (1), d'un mât à gaz chaud (10, 13) disposé dans la région du transporteur à channes (1), caractérisé en ce que dans la région du mât à gaz chaud (10, 13) et en dessous du plan de transport (2) du transporteur à chaînes (1) est disposé un ventilateur et en ce qu'il est conçu sous forme de ventilateur soufflant (15) dont le jet (16) est dirigé sur le plan de transport (2).
EP83110893A 1982-12-30 1983-11-02 Procédé et dispositif pour la rétraction d'une housse rétractable qui est tirée au dessus d'une pile d'articles Expired - Lifetime EP0116124B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83110893T ATE20015T1 (de) 1982-12-30 1983-11-02 Verfahren und vorrichtung zum einschrumpfen einer schrumpfhaube, die ueber einen insbesondere palettierten gutstapel gezogen ist.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8236854U 1982-12-30
DE8236854 1982-12-30

Publications (3)

Publication Number Publication Date
EP0116124A1 EP0116124A1 (fr) 1984-08-22
EP0116124B1 EP0116124B1 (fr) 1986-05-28
EP0116124B2 true EP0116124B2 (fr) 1992-11-04

Family

ID=6747009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83110893A Expired - Lifetime EP0116124B2 (fr) 1982-12-30 1983-11-02 Procédé et dispositif pour la rétraction d'une housse rétractable qui est tirée au dessus d'une pile d'articles

Country Status (5)

Country Link
US (1) US4562689A (fr)
EP (1) EP0116124B2 (fr)
JP (1) JPS59134134A (fr)
AT (1) ATE20015T1 (fr)
DE (1) DE3363806D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336387C1 (de) * 1993-10-26 1994-10-20 Moellers Maschf Gmbh Verfahren und Vorrichtung zum Einschrumpfen einer Schrumpffolienhaube
DE4342490A1 (de) * 1993-12-13 1995-06-14 Lachenmeier Kurt Aps Verfahren und Vorrichtung zum Schrumpfen einer aus heißschrumpffähigem Material bestehenden Folienhaube über einer auf einer Palette befindlichen Ladung
DE4423513C1 (de) * 1993-10-26 1996-02-01 Moellers Maschf Gmbh Vorrichtung zum Einschrumpfen einer Schrumpffolienhaube

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573031B1 (fr) * 1984-11-15 1987-07-03 Raffault Gerard Machine pour l'emballage de produits divers, sous film thermoretractable
DE3521416A1 (de) * 1985-06-14 1986-12-18 MSK - Verpackungs-Systeme GmbH, 4190 Kleve Verfahren zum verpacken eines auf einer palette angeordneten gutstapels und vorrichtung zur durchfuehrung des verfahrens
DE3773371D1 (de) * 1987-03-26 1991-10-31 Vfi Verpackungstech Verfahren und vorrichtung zum aufschrumpfen einer auf einem palettierten gutstapel befindlichen folienhaube.
DE3717495C1 (de) * 1987-05-23 1988-06-30 Becker Josef Verfahren zur Behandlung von fadenfoermigem Textilgut
DE3932782A1 (de) * 1988-12-16 1990-06-21 Brega Verpackungsmaschinen Anw Vorrichtung zum verpacken von insbesondere palettiertem packgut
DE4021353A1 (de) * 1990-07-05 1992-01-09 Rotecno Ag Medizinisches operations-abdecktuch
WO1995013218A1 (fr) * 1993-11-12 1995-05-18 Shinwa Corporation Procede et dispositif pour emballer un article par la pression atmospherique
DE4426369C1 (de) * 1994-07-26 1995-08-17 Moellers Maschf Gmbh Verfahren zum Verpacken eines Gutstapels mit einer Schrumpffolienhaube
WO2000044626A1 (fr) * 1999-01-28 2000-08-03 MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung Dispositif pour contracter un film thermo-retrecissable
FR2792610B1 (fr) 1999-04-26 2001-07-13 Thimon Procede de retractation d'une gaine souple en matiere plastique thermoretractable sur une charge palettisee, et machine pour la mise en oeuvre du procede
US6304720B1 (en) * 1999-08-19 2001-10-16 Cpfilms Inc. Heat shrinking heat gun with fan-shaped nozzle with temperature and/or airflow variation along the nozzle
US6962037B2 (en) * 2001-04-03 2005-11-08 Borchard James A Methods for sealing a load placed on a pallet
ITRM20040472A1 (it) * 2004-10-01 2005-01-01 Stelliferi & Itavex S P A Procedimento per il confezionamento di prodotti, ad esempio per prodotti alimentari, relativa confezione e corredo di realizzazione.
CZ302643B6 (cs) * 2010-06-11 2011-08-10 Jihoceská univerzita v Ceských Budejovicích, Ekonomická fakulta Zarízení pro vícenásobnou fixaci zboží na palete a zpusob vícenásobné fixace zboží na palete
DE202014101181U1 (de) * 2014-03-14 2014-03-25 Msk - Verpackungs-Systeme Gmbh Vorrichtung zum Verpacken eines Gutstapels

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298444B (de) * 1966-10-19 1969-06-26 Alkor Oerlikon Plastic Gmbh Transport- und Lagereinheit
US3717939A (en) * 1971-02-23 1973-02-27 Oven Syst Inc Shrink film oven
US3826017A (en) * 1972-07-27 1974-07-30 R Kostur Heating system
GB1561837A (en) * 1976-03-29 1980-03-05 Sainsbury J Ltd Packaging commodities
IT1067343B (it) * 1976-11-19 1985-03-16 Bernardo P Di Metodo e dispositivo per il confezionamento sottovuoto di prodotti
DE2804941A1 (de) * 1978-02-06 1979-08-16 Msk Verpackung Syst Gmbh Schrumpfvorrichtung zum einschrumpfen von stueckguetern
DK145987C (da) * 1978-12-13 1983-10-10 Lip Bygningsartikler Anlaeg til krympning af en krympefolie omkring et antal opstablede vareenheder
DE2944321A1 (de) * 1979-11-02 1981-05-07 Bernhard Beumer Maschinenfabrik Kg, 4720 Beckum Verfahren zum vollstaendigen umhuellen von stueckgut mit schrumpffolie und vorrichtung zur durchfuehrung des verfahrens
GB2078658B (en) * 1980-06-25 1984-08-08 Grace W R & Co Vacuum packaging process and apparatus
IE51047B1 (en) * 1980-06-25 1986-09-17 Grace W R & Co Packaging process and apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336387C1 (de) * 1993-10-26 1994-10-20 Moellers Maschf Gmbh Verfahren und Vorrichtung zum Einschrumpfen einer Schrumpffolienhaube
DE4423513C1 (de) * 1993-10-26 1996-02-01 Moellers Maschf Gmbh Vorrichtung zum Einschrumpfen einer Schrumpffolienhaube
DE4342490A1 (de) * 1993-12-13 1995-06-14 Lachenmeier Kurt Aps Verfahren und Vorrichtung zum Schrumpfen einer aus heißschrumpffähigem Material bestehenden Folienhaube über einer auf einer Palette befindlichen Ladung

Also Published As

Publication number Publication date
US4562689A (en) 1986-01-07
DE3363806D1 (en) 1986-07-03
ATE20015T1 (de) 1986-06-15
JPS59134134A (ja) 1984-08-01
EP0116124B1 (fr) 1986-05-28
EP0116124A1 (fr) 1984-08-22

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