WO2007065385A1 - Schrumpfprozess zur herstellung von festen, transportfähigen und bedruckbaren gebinden und vorrichtung zur durchführung eines derartigen schrumpfprozesses - Google Patents
Schrumpfprozess zur herstellung von festen, transportfähigen und bedruckbaren gebinden und vorrichtung zur durchführung eines derartigen schrumpfprozesses Download PDFInfo
- Publication number
- WO2007065385A1 WO2007065385A1 PCT/DE2006/000870 DE2006000870W WO2007065385A1 WO 2007065385 A1 WO2007065385 A1 WO 2007065385A1 DE 2006000870 W DE2006000870 W DE 2006000870W WO 2007065385 A1 WO2007065385 A1 WO 2007065385A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- shrinking process
- area
- containers
- film
- Prior art date
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
- 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
- B65B53/063—Tunnels
-
- 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
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/08—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for heating or cooling articles or materials to facilitate packaging
-
- 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
- B65B2220/00—Specific aspects of the packaging operation
- B65B2220/24—Cooling filled packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
- B65D71/08—Wrappers shrunk by heat or under tension, e.g. stretch films or films tensioned by compressed articles
Definitions
- the invention relates to a shrinking process for the production of solid, transportable and printable containers, in particular bottle containers with a height / width ratio of> 1, consisting of wrapping the goods to be packaged with a film, so that an overlapping area of the film ends forms on the bottom surface. heating by heat exchange or convection in order to fuse the free ends in the overlap area and a final heating, the resulting container being stabilized by the shrinking process at the same time.
- shrinking processes for the production of solid, transportable and printable containers are carried out in a variety of forms in film packaging, which is used as a sales unit for bottles.
- the film also serves as an advertising medium, for example in the case of beverage bottles which are covered with a shrink film.
- hot gases are used to heat the shrink films, in which the heat energy is transferred by convection to the surface of the material to be heated.
- WO 02/36436 A1 describes a multi-zone shrink tunnel with a pre-shrink zone with heated ambient air and a heat zone in which a lateral, final hot air exposure of the goods wrapped in film takes place.
- the goods are first grouped together, preferably using a fixed transport tray, and wrapped in foil.
- the film ends overlapping on the bottom of the container are sealed by blowing hot air over a wide area and then subjected to the final shrinking process after a pre-shrinking process. So that the finished containers can be printed, they must have constant dimensions and flat surfaces. In addition, the printable area should offer sufficient resistance to the pressure roller lying on it during printing, since otherwise a blurred print image is created. These requirements lead to containers with the same spatial dimensions and reproducible relative positions of the goods to be transported.
- the inventors also found that sealing the overlapping film ends at a lower temperature avoids any significant heating of the goods themselves, but in particular when the containers are continuously transported, there is the problem that the enveloping film is inflated with hot air when it is blown to the side and slips. This reinforced the one already described Tendency of individual objects of the goods to be packed to tip or to change their position.
- the object of the present invention was therefore to offer a shrinking process and a device for carrying out this shrinking process, which, without a separate carrying shell, produce a solid container from goods with a height / width ratio of> 1, preferably> 2, with the same packing density and geometric shape enables, whereby the individual goods should at most be heated superficially. For units that should or may only be heated on their surface, this means that the core temperature must be kept low and the energy released to the environment must be reduced. Other aspects include space requirements, process control with flexible container sizes and reduction of environmental pollution due to outgassing of film materials.
- the core temperature was kept low by certain measures and the packaging film was locally welded by tightly limiting the high temperatures, whereby the individual objects (packaging goods) were briefly heated to the required shrink temperature only on their surface. She could also
- Edge shell can be reached, so that the goods already at the beginning of theshrinking process were fixed in their position to each other.
- the container which was already stabilized on the floor surface, withstood lateral pressure with hot air and withstood higher pressure loads, so that the blowing process could be limited to a short treatment time.
- continuous transport in particular for containers with a large footprint, had the advantage that the hot air applied to the heat accumulation in the center of the footprint or inadmissible heating of the goods to be packaged could be avoided. So far, there was a risk that the side parts of the container would heat up due to the hot air flowing out from all sides and influence the shrinking process of the wrapping film irregularly.
- Fig. 1 basic structure of a shrinking system for the production of solid, transportable and printable containers (front view and side view).
- Fig. 2 perspective view of a shrink device designed according to the invention
- FIG. 3 basic representation of the reverse flow and formation of an edge shell based on a cross section through an air exchange plate
- FIG. 4 Transport of a container via a device designed according to the invention for the application of hot gas in the bottom region of the container
- FIG. 5 perspective view of the device for hot gas application
- FIG. 6 General view of the device for forming an edge shell
- FIG. 7 Structure of an inventive device for forming a
- FIG. 8 flow chart of the method according to the invention for the production of solid transportable and printable containers.
- the device according to the invention for carrying out a shrinking process is shown in a front view.
- the supply and exhaust air system 5, 7 can be seen with the container 1, which is arranged on a conveyor belt 2 above a hot air source 3.
- the hot air applied in reverse flow serves to form a pre-stabilizing edge shell 32 in the bottom region of the container.
- the container 1 is shown in a system that has a hot air supply 5 at the side.
- the goods (bottles) of the container are conveyed through the shrinking system 4 in the product running direction via a conveyor belt 6.
- the container 1 with the enveloping film 8 arrives in front of the hot air supply 5 there is a risk that the film envelope will be inflated by the air pressure and threaten to slip. This is prevented by the pre-formed edge shell in the area of the container base, which stabilizes the shape of the container and thus the arrangement of the goods.
- the shrinking system is shown in a side view, with an exhaust system 7A in the left part of the system next to the hot air source 3 7B is indicated. All or part of the exhaust air is recycled or recycled for the preparation of the hot air, so that heat accumulation can be avoided in cooperation with the continuous transport.
- the horizontally acting hot air nozzles 5a 5b are shown in the right part of the shrinking system. These initiate the all-round shrinking process on the container enclosed with an enveloping film 8.
- the hot air supply is designed as a reverse flow under the conveyor belt 2.
- the network-like structure of the conveyor belt 2 is partially covered by the slides 10, 11. This ensures that only the bottom surface 12 of the transported container or a sub-area is acted upon by the inflowing hot air (convection zone that moves along).
- the hot gases flow out of the nozzles 5 arranged at the side at high pressure. The flow rate can be increased further and directed constantly against the film 8 over the entire surface, since the container on the base surface has already been stabilized so that the the bottle-shaped goods 13 folded film 8 withstands a high lateral pressure load.
- the container 1 stands on a network-like or lattice-like structure 9, so that the hot air flowing out of the nozzle field 33 has access to a via the nozzle 14 Convection zone 15 of the conveyor belt 6 has.
- the convection zone 15 In the convection zone 15, the heat transfer from the hot gas takes place by convection into the bottom surface 12 of the container. After deflection on the surface of the container bottom, the hot gas flows in the direction of the arrow via suction openings 16, 17 back into the exhaust air area.
- FIG. 4 shows the transport of the container 1 via an air exchange plate 29 with a convection zone 15 designed according to the principle of the reverse flow for forming a stabilizing edge shell.
- the flow direction of the hot supply air 5 is deflected into the exhaust system 7a, 7b.
- the zonal control of the longitudinal and transverse slides 23, 26 is not shown. This is necessary in order to be able to achieve the concurrent movement of the convection zone and bottom surface 12 of the container while avoiding heat build-up.
- FIG. 5 a preferred variant of the air exchange plate 29 designed according to the invention for the discrete hot air supply in the region of the container bottom is shown in the partial cross section of FIG. 5.
- the air exchange plate 29 contains sliding webs 31 on which the net-like conveyor belt 18 is supported.
- the container 1 contains a multiplicity of products 19 wrapped with a shrink film 20.
- This control also called “zone activation”, is shown in FIGS. 6 and 7 and is described in detail below:
- Zone activation can be done manually or automatically.
- the container 1 is conveyed in the direction of the arrow via the net-like conveyor belt 18 into the area of influence of the hot air source 3 (vertical arrow).
- the longitudinal slide 23 is set manually. This can be done via an eccentric adjustment 24 according to FIG. 7.
- the slide adjustment is controlled by a zone activation 25, with the aid of which the transverse slide 26 is dependent on the position of the product or the container 1 on the conveyor belt 18 either activate or switch off the supply air.
- a perforated plate as a cross slide 26 and tubes 27 for the hot air supply and a separating housing 28 for the supply and exhaust air are required according to the exemplary embodiment.
- the above example shows how in the device according to the invention the hot gas is guided to form a stabilizing edge shell according to the principle of the reverse flow.
- the heating surface is represented by an air exchange plate that includes a special gas duct, in which the gas is transferred from an open to a closed circuit system.
- a field of depressions for example in the form of a channel or bell, is arranged on the heating surface, a centrally arranged supply air unit in the form of a nozzle being arranged in each bell and being very close to the heating surface.
- On the side of the bell there are one or more exhaust air units in the form of suction openings, the diameter and number of which are selected such that the incoming air is sucked off at the bottom of the container after deflection.
- the container 1 stands on a network-like or lattice-like structure 9 or 10, so that the hot air flowing out of a depression or bell has access to the convection zone 15.
- the convection zone 15 the heat transfer from the hot gas takes place by convection into the bottom surface of the container. After deflection on the surface of the container base, the hot gas flows back into the exhaust air area via suction openings 16, 17.
- the device according to the invention can be controlled in large sections of the convection zone.
- a zone is supplied with the desired energy requirement via temperature and flow profiles, which the user can specify depending on the path.
- the energy requirement is calculated or empirically determined according to the material thickness, the material density or the heat capacities of the film to be heated. The film can then be heated to a specific temperature.
- FIG. 8 shows a schematic overview of the process sequence for shrinking.
- Zone-limited holding time until the film melts lasting 1 - 2 seconds at flow speeds of 25 - 35 meters per second
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Packages (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0619593A BRPI0619593B1 (pt) | 2005-12-09 | 2006-05-19 | processo de contração para produção de embalagens sólidas, transportáveis e passíveis de impressão e dispositivo para execução de um processo de contração desse tipo |
PL06753186T PL1957371T3 (pl) | 2005-12-09 | 2006-05-19 | Proces kurczenia dla wytwarzania mocnych, nadających się do transportu i podatnych na drukowanie opakowań zbiorczych i urządzenie do przeprowadzania takiego procesu kurczenia |
EP06753186A EP1957371B1 (de) | 2005-12-09 | 2006-05-19 | Schrumpfprozess zur herstellung von festen, transportfähigen und bedruckbaren gebinden und vorrichtung zur durchführung eines derartigen schrumpfprozesses |
AT06753186T ATE430697T1 (de) | 2005-12-09 | 2006-05-19 | Schrumpfprozess zur herstellung von festen, transportfähigen und bedruckbaren gebinden und vorrichtung zur durchführung eines derartigen schrumpfprozesses |
DE502006003687T DE502006003687D1 (de) | 2005-12-09 | 2006-05-19 | Schrumpfprozess zur herstellung von festen, transportfähigen und bedruckbaren gebinden und vorrichtung zur durchführung eines derartigen schrumpfprozesses |
CN2006800507429A CN101356094B (zh) | 2005-12-09 | 2006-05-19 | 用于制造包裹件的收缩工艺以及实施这种收缩工艺的设备 |
JP2008542585A JP5064410B2 (ja) | 2005-12-09 | 2006-05-19 | 搬送・印刷可能な安定容器を製造するためのシュリンクプロセス及びシュリンクプロセスを実施するための装置 |
US12/096,724 US7946100B2 (en) | 2005-12-09 | 2006-05-19 | Shrinking process for producing solid, transportable and printable containers and a device for carrying out a shrinking process of this type |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005059295A DE102005059295B4 (de) | 2004-12-10 | 2005-12-09 | Schrumpfprozess zur Herstellung von festen, transportfähigen und bedruckbaren Gebinden und Vorrichtung zur Durchführung eines derartigen Schrumpfprozesses |
DE102005059295.3 | 2005-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007065385A1 true WO2007065385A1 (de) | 2007-06-14 |
Family
ID=36741222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2006/000870 WO2007065385A1 (de) | 2005-12-09 | 2006-05-19 | Schrumpfprozess zur herstellung von festen, transportfähigen und bedruckbaren gebinden und vorrichtung zur durchführung eines derartigen schrumpfprozesses |
Country Status (9)
Country | Link |
---|---|
US (1) | US7946100B2 (de) |
EP (1) | EP1957371B1 (de) |
JP (1) | JP5064410B2 (de) |
CN (1) | CN101356094B (de) |
AT (1) | ATE430697T1 (de) |
BR (1) | BRPI0619593B1 (de) |
DE (1) | DE502006003687D1 (de) |
PL (1) | PL1957371T3 (de) |
WO (1) | WO2007065385A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100293901A1 (en) * | 2009-05-20 | 2010-11-25 | Martin Malthouse | Shrink Systems for Labels |
DE202009005047U1 (de) | 2009-07-21 | 2009-09-17 | Krones Ag | Schrumpftunnel |
CN101633415B (zh) * | 2009-08-06 | 2011-07-06 | 贵阳黔中化轻制品厂 | 广口瓶的热收缩膜整体包裹及装箱方法 |
DE102010012597A1 (de) * | 2010-03-24 | 2011-09-29 | Multivac Sepp Haggenmüller Gmbh & Co. Kg | Einrichtung zum Transportieren von Objekten |
US20120240525A1 (en) * | 2011-03-25 | 2012-09-27 | Summerford Wayne C | Method and System for Applying Tamper Evident Banding |
EP2653391B1 (de) * | 2012-04-18 | 2015-07-29 | Borealis AG | Verfahren zum Umhüllen einer Behältergruppe mit Schrumpffolien |
EP2653394B1 (de) * | 2012-04-18 | 2015-03-04 | Krones Aktiengesellschaft | Schrumpfvorrichtung mit Blendenleiste |
DE102013103863A1 (de) * | 2013-04-17 | 2014-10-23 | Krones Aktiengesellschaft | Schrumpfvorrichtung und Verfahren zur Anpassung einer Schrumpfvorrichtung |
DE102013104666A1 (de) * | 2013-05-07 | 2014-11-13 | Krones Ag | Vorrichtung und Verfahren zum Herstellen von Behältniszusammenstellungen |
KR20160029532A (ko) * | 2014-09-05 | 2016-03-15 | 김승섭 | 스팀 포장기의 스팀 공급장치 |
CN104260939A (zh) * | 2014-09-21 | 2015-01-07 | 江苏艾津农化有限责任公司 | 蒸汽热收缩膜包装机 |
DE102017119145A1 (de) * | 2017-08-22 | 2019-02-28 | Krones Aktiengesellschaft | Schrumpfvorrichtung und Verfahren zum Ansaugen von Luft aus einem Innenraum einer Schrumpfvorrichtung |
CN107804530A (zh) * | 2017-10-31 | 2018-03-16 | 佛山汉格斯环保科技有限公司 | 一种环保餐具热缩膜机 |
FR3090590B1 (fr) * | 2018-12-20 | 2021-06-11 | C E R M E X Constructions Etudes Et Rech De Materiels Pour Lemballage Dexpedition | Procédé de conditionnement par fardelage de lots de produits, dispositif de chauffage et installation avec un tel dispositif. |
CN110053826A (zh) * | 2019-04-25 | 2019-07-26 | 北京市继远斋食品厂 | 一种热收缩机 |
Citations (4)
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US3309835A (en) * | 1964-01-23 | 1967-03-21 | Diamond Int Corp | Method and apparatus for producing packages with a heat-shrink film |
US3353333A (en) * | 1965-05-10 | 1967-11-21 | Corley Miller Inc | Package sealing machine |
US3430358A (en) * | 1967-01-30 | 1969-03-04 | Doughboy Ind Inc | Shrink tunnel with conveyer and air directing means |
US5062217A (en) * | 1990-11-13 | 1991-11-05 | Ossid Corporation | Selective sequential shrink apparatus and process |
Family Cites Families (15)
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US3222800A (en) * | 1962-05-29 | 1965-12-14 | Weldotron Corp | Apparatus for shrinking wrappers of packages |
US3744146A (en) * | 1970-06-02 | 1973-07-10 | Mill Eng Inc | Shrink tunnel |
US3727324A (en) * | 1970-09-18 | 1973-04-17 | Despatch Ind Inc | Shrink tunnel for palletized loads |
JPS4938664U (de) * | 1972-07-11 | 1974-04-05 | ||
DE2320424A1 (de) * | 1972-09-04 | 1974-03-14 | Lara Sa | Verfahren zum kontinuierlichen verpacken von gegenstaenden und vorrichtung zum durchfuehren des verfahrens |
US3889394A (en) * | 1973-06-04 | 1975-06-17 | Fox Valley Corp | Heat shrink apparatus |
US3866331A (en) * | 1974-03-07 | 1975-02-18 | Itp Corp | Flow control shrink wrap tunnel |
JPS5312469U (de) * | 1976-07-12 | 1978-02-01 | ||
FR2571687B1 (fr) * | 1984-10-12 | 1987-04-24 | Minnesota Mining & Mfg | Procede d'emballage sous pellicule retractable avec poignee de transport, pellicule pour sa mise en oeuvre et colis realise avec une telle pellicule, suivant ce procede |
US4676006A (en) * | 1986-10-07 | 1987-06-30 | Ossid Corporation | Poultry basket water removal apparatus and method |
EP1335857A1 (de) * | 2000-11-01 | 2003-08-20 | Claud Andrew Neagle | Anpassbarer wärmeschrumpftunnel für verpackungsmaschine |
ITMI20011825A1 (it) * | 2001-08-29 | 2003-03-01 | Smi Spa | Forno a tunnel di termoretrazione per la produzione di imballaggi in pellicole di materiale termoretraibile e procedimento di imballaggio re |
US6689180B1 (en) * | 2002-11-14 | 2004-02-10 | Benison & Co., Ltd. | Hot air flow control device of heat-shrinking film packaging machine |
US6772575B2 (en) * | 2002-12-30 | 2004-08-10 | Lantech Management Corp. And Lantech Holding Corp. | Shrink wrap apparatus and method of shrink wrapping products |
US20040231481A1 (en) * | 2003-05-23 | 2004-11-25 | Floding Daniel Leonard | Apparatus for perforating or slitting heat shrink film |
-
2006
- 2006-05-19 JP JP2008542585A patent/JP5064410B2/ja active Active
- 2006-05-19 EP EP06753186A patent/EP1957371B1/de active Active
- 2006-05-19 US US12/096,724 patent/US7946100B2/en active Active
- 2006-05-19 AT AT06753186T patent/ATE430697T1/de active
- 2006-05-19 WO PCT/DE2006/000870 patent/WO2007065385A1/de active Application Filing
- 2006-05-19 PL PL06753186T patent/PL1957371T3/pl unknown
- 2006-05-19 CN CN2006800507429A patent/CN101356094B/zh active Active
- 2006-05-19 DE DE502006003687T patent/DE502006003687D1/de active Active
- 2006-05-19 BR BRPI0619593A patent/BRPI0619593B1/pt active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3309835A (en) * | 1964-01-23 | 1967-03-21 | Diamond Int Corp | Method and apparatus for producing packages with a heat-shrink film |
US3353333A (en) * | 1965-05-10 | 1967-11-21 | Corley Miller Inc | Package sealing machine |
US3430358A (en) * | 1967-01-30 | 1969-03-04 | Doughboy Ind Inc | Shrink tunnel with conveyer and air directing means |
US5062217A (en) * | 1990-11-13 | 1991-11-05 | Ossid Corporation | Selective sequential shrink apparatus and process |
Also Published As
Publication number | Publication date |
---|---|
BRPI0619593A2 (pt) | 2011-10-04 |
CN101356094A (zh) | 2009-01-28 |
EP1957371A1 (de) | 2008-08-20 |
BRPI0619593A8 (pt) | 2017-10-24 |
CN101356094B (zh) | 2011-11-30 |
PL1957371T3 (pl) | 2009-10-30 |
BRPI0619593B1 (pt) | 2018-10-09 |
EP1957371B1 (de) | 2009-05-06 |
JP2009518239A (ja) | 2009-05-07 |
ATE430697T1 (de) | 2009-05-15 |
US7946100B2 (en) | 2011-05-24 |
DE502006003687D1 (de) | 2009-06-18 |
JP5064410B2 (ja) | 2012-10-31 |
US20090013649A1 (en) | 2009-01-15 |
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