WO2004074105A1 - A method and a system for wrapping objects and use of the method - Google Patents
A method and a system for wrapping objects and use of the method Download PDFInfo
- Publication number
- WO2004074105A1 WO2004074105A1 PCT/DK2004/000115 DK2004000115W WO2004074105A1 WO 2004074105 A1 WO2004074105 A1 WO 2004074105A1 DK 2004000115 W DK2004000115 W DK 2004000115W WO 2004074105 A1 WO2004074105 A1 WO 2004074105A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- objects
- support
- stretching unit
- expanded
- 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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
- B65B9/135—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state for palletised loads
-
- 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
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
- B65B9/14—Devices for distending tubes supplied in the flattened state
Definitions
- the invention relates to a method of wrapping one or more objects in stretch film, said film comprising a tube-like section, whose diameter is smaller than the diameter of the object or objects to be wrapped, said film comprising a first end and a second opposite and closed end, where the film is opened at its first end and provided with a number of folds transversally of its longitudinal axis, following which the film is expanded diametrically before being brought to enclose the object or objects.
- the invention also relates to a system of carrying out the method, wherein one or more objects is/are wrapped in a tube-like section of stretch film, said film comprising a tube-like section, whose dimension is smaller than the dimension of the object or objects to be wrapped, said film comprising a first end and a second opposite and closed end; wherein the system comprises means for opening the film at its first end and means for moving the film across a hollow stretching unit and providing the film with a number of folds transversally of its longitudinal axis, said stretching unit comprising means for expanding the film diametrically and means for forming holding-back means during release of the film. Moreover, the invention relates to a use of the method.
- Novel aspects of the method according to the invention comprise that the object or objects are supported and advanced essentially horizontally or under a flat angle relative to the horizontal into the expanded film from its first open end towards the second end of the film, following which the film is pulled around the object or objects, the folds of the film being unfolded until the entire object or objects are introduced into the film, following which the first end of the film is closed by joining for complete enclosure of the object or objects in the film.
- the object or objects are enclosed to all sides and hence completely.
- the objects need not be arranged on a pallet or the like to avoid contact with a support on which the wrapped object(s) is/are arranged.
- the film may, during advancement of the object or objects within the film, be arranged at a space between a first and a second support, where the object or objects is/are, during the advancement, moved from the first to the second support.
- the object or objects may remain essentially supported during the entire movement, including in particular if the objects are long compared to the expanse of the space.
- the object or objects can be arranged on the first support and seized with seizing means, following which the object or objects are introduced into the film and arranged on the second support, following which the object or objects is/are let go.
- At least the first support may comprise means for displacing the object or objects. This is advantageous as the object or objects are to be moved from the first to the second support.
- the means for displacement need only eg push the object or objects.
- the first support may be displaceable or comprise a displaceable section, wherein the first support or section is displaced and introduced into the expanded film for further support of the object or objects during movement from the first to the second support.
- the object or objects can be supported during a larger part of the movement between the first and the second support. That may be advantageous when relatively short objects are wrapped.
- the film may be tensioned for tightening when being pulled around the object or objects.
- the film will also support the objects. If the load is increased and imparts a permanent increase in length to the film, further film savings are obtained and the supporting effect is enhanced. It is also obtained that objects having a tendency to shrink will remain tightly wrapped and hence stable as the film will follow the shrinkage due to its tensioning.
- the first, the second and the further support may be roller paths and/or conveyor belts. This enables easy incorporation of the method in connection with production plants where the objects are transported by those types of transporter means.
- Joining may advantageously be accomplished by welding which yields a quick and reliable result.
- the object or objects may be arranged on a carrier means such as a pallet. It may be practical in case of stacked objects or objects that are otherwise difficult to move.
- the film may be dispensed from a storage unit from where it is cut to a suitable length and closed at its other end by joining prior to folding. Thereby the film may be eg in roller shape, which saves place. Otherwise pieces of film manufactured in advance can be used, that have already been shortened and closed at the one end.
- the film on the storage unit can be provided with longitudinally extending folds that reduce the width of the film. Thereby welding gussets used for joining the film need not be so wide.
- Novel aspects of the system according to the invention comprise that the system comprises means for supporting and advancing, essentially horizontally or at a flat angle in relation to the horizontal, the object or objects through the stretching unit with the film in expanded state for pulling of the film around the object or objects and complete introduction of it or them into the film and means for closing or joining the first end of the film for complete enclosure of the object or objects in the film.
- the system may comprise a first roller path from where the object or objects is/are advanced to the stretching unit, a displaceable roller path section that can be displaced into the stretching unit when the latter has expended the film and a second roller path for receiving the object or objects.
- a displaceable roller path section that can be displaced into the stretching unit when the latter has expended the film
- a second roller path for receiving the object or objects.
- the system may comprise means for dispensing film from a storage unit.
- system may also comprise means for welding and means for cutting off the film, which means are displaceable and arranged after the stretching unit.
- the stretching unit may comprise operated rollers for winding film, which rollers will, during pulling of the film around the object or objects, form holding-back means.
- the rollers may contain means measuring the angulation, including encoders, whereby it is possible to measure and control how much film is introduced onto the stretching unit.
- Novel aspects of the use of the method comprise that one or more objects are wrapped, which objects are essentially flat and elongate, and wherein the object or objects are wrapped with the longitudinal axis situated in parallel with an axis extending between the first and the second ends of the film,
- Figures 1-5 show schematic cross-sections of a system according to one embodiment of the invention.
- the figures teach ia an example of a wrapping procedure;
- Figures 6-7 teach schematic cross-sections of a system according to an alternative embodiment of the invention.
- Figures 1-7 show a number of objects 6 that are to be wrapped in a tubular film 1. Also one single object 6 may be wrapped and, likewise, two or more objects, including stacked objects and objects arranged on a carrier means, may be wrapped. Preferably the film 1 has an expanse which is smaller than the expanse of the objects 6.
- the figures show a frame structure 26 that carries the various components, including miscellaneous guide means, etc, that partake albeit they are not shown; that may, however, readily be exercised by the person skilled in the art as they present common knowledge within the prior art wrapping techniques and appear from the above- referenced respective documents.
- Figure 1 shows the film 1 that is dispensed from a storage unit 8, from where it is conveyed to a distributor head 22 that is, by means of a suction discs, able to open the film 1 at the first end 2 thereof, when the latter is to be conveyed onto a stretching unit 10.
- the distributor head 22 is movable and comprises means for conveyance of the opened film 1 into or across the stretching unit 10.
- the film 1 is arranged in a number of folds to occupy as much space as possible in the horizontal direction.
- the stretching unit may comprise operated rollers 20, which rollers may also form holding-back means when the film 1 is to be applied to the object or objects 6 when the film 1 is pulled off the stretching unit 10.
- a first roller path 12 is shown that has a displaceable roller path section 15, and a second roller path 14. Roller paths are suitable for use in connection with the wrapping, but conveyor belts are also suitable.
- the roller paths 12 and 14 can be completely or partially operated. If the roller path 12 is not operated, the objects 6 can be pushed, eg by means of a pneumatic cylinder to produce a desired movement.
- Figures 1-5 also show means for welding 16 and means for cutting 18.
- a suitable length of film 1 is arranged on the stretching unit 10, and means for welding 16 join the film 1 , following which means for cutting 18 separate the piece of film on the stretching unit 10 from the remainder of the film.
- Figure 3 shows that the distributor head 22 is displaced upwards in order for it to be clear of the path of the objects 6 during the wrapping, but it may just as well be displaced sideways. Means for welding 16 are also taken to clear positions.
- the clear film on the stretching unit is provided with a closed end 4, following which the film is expanded by the stretching unit. During application of the film on the stretching unit, it is pulled together, whereby the film is easily displaced there across. By the expansion the circumferential dimension of the film becomes diametrically larger than the objects 6.
- the displaceable roller path section 15 is displaced into the stretching unit 10 and into the expanded film.
- FIG. 4 shows how the film 1 is pulled off the stretching unit 10 and pulled around the objects 6.
- the rollers 20 form holding-back means whereby the film 1 is stretched suitably and preferably tensioned to the effect that it is situated tightly longitudinally of the objects. Holding-back means can be accomplished in other ways without use of rollers, eg with a fixed back edge that yields frictional resistance.
- the film 1 may also be pulled with more tension, whereby a permanent increase in length is imparted thereto.
- the film 1 When the film 1 is pulled around the objects 6, the film maintains a certain tensioning whereby the objects are stabilised. A part of the tensioning compresses the stack of objects 6 and thereby follows the objects should they settle during transport or storage and, likewise, the pressure presses the objects towards each other and hence creates mutual friction that further contributes to stabilisation.
- Figure 6 shows an alternative embodiment wherein a stretching unit 10 is applied with film 1 corresponding to Figure 1 , but with the difference that the stretching unit 10 can be moved vertically and as shown receives the film 1 in a raised position.
- improved space is accomplished around the stretching unit 10 for miscellaneous functional means, whereby the film 1 is more readily applied to the stretching unit.
- the distributor head 22 can be stationary, while means 16 for welding the film 1 for forming a closed end 4 are vertically movable, and including also adaptation for closure of the open end 2 of the film following wrapping of an object.
- Figure 7 shows the stretching unit 10 in a lowered position, which corresponds to the situation shown in Figure 2.
- the film 1 must be expanded by the stretching unit 10, corresponding to Figure 3, following which the wrapping can be implemented, see Figures 3, 4 and 5.
- the vertically movable means 16 for welding are configured to close the end 2 of the film 1 , whereby complete wrapping is accomplished.
- the figures show the use of roller paths, but movement of the object or objects 6 can be accomplished in numerous ways. All it takes are two supports (locations), between which the expanded film 1 is arranged. Then the objects 6 can be moved, eg pushed by means of piston, from the first to the second support, eg sliding on the supports. Also the objects 6 can be seized with seizing means, eg configured as a set tweezers or a claw or be taken by means of forks like the forks of a forklift truck and conveyed from one support to the other.
- seizing means eg configured as a set tweezers or a claw or be taken by means of forks like the forks of a forklift truck and conveyed from one support to the other.
- the fundamental principle is that the objects 6 are conveyed, while being supported, into the expanded film 6, where the latter is pulled around the objects 6.
- the supports may be arranged with a given space there between without tilting downwards. If that is a problem, a displaceable support or part of the support, eg like a tongue, is conveyed to a position to minimize said space.
- Objects 6 may be of different lengths and yet be wrapped with the same film and stretching unit 10. The length may be controlled by measuring how much film 1 is arranged on the stretching unit. It can be accomplished ia by providing the rollers 20 with encoders.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Container Filling Or Packaging Operations (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/543,458 US20060053750A1 (en) | 2003-02-24 | 2004-02-21 | Method and a system for wrapping objects and use of the method |
DE602004004634T DE602004004634T2 (en) | 2003-02-24 | 2004-02-23 | METHOD AND SYSTEM FOR PACKAGING OBJECTS AND USE OF THE PROCESS |
DK04713516T DK1597147T3 (en) | 2003-02-24 | 2004-02-23 | Method and system for wrapping items and using the method |
EP04713516A EP1597147B1 (en) | 2003-02-24 | 2004-02-23 | A method and a system for wrapping objects and use of the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK200300278A DK176023B1 (en) | 2003-02-24 | 2003-02-24 | Method and system for wrapping items and using the method |
DKPA200300278 | 2003-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004074105A1 true WO2004074105A1 (en) | 2004-09-02 |
Family
ID=32892823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK2004/000115 WO2004074105A1 (en) | 2003-02-24 | 2004-02-23 | A method and a system for wrapping objects and use of the method |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060053750A1 (en) |
EP (1) | EP1597147B1 (en) |
AT (1) | ATE353307T1 (en) |
DE (1) | DE602004004634T2 (en) |
DK (2) | DK176023B1 (en) |
WO (1) | WO2004074105A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111094134A (en) * | 2017-08-23 | 2020-05-01 | 海福和博克公司 | Packaging system and method of packaging objects |
WO2020230046A1 (en) * | 2019-05-14 | 2020-11-19 | Tentoma A/S | Method for packing objects and packaging system |
ES2815298A1 (en) * | 2019-09-27 | 2021-03-29 | Innova Maqu Industrial S L | MACHINE FOR COLD SHEATHING OF VERTICAL AND HORIZONTAL LOADS (Machine-translation by Google Translate, not legally binding) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004113173A1 (en) * | 2003-06-20 | 2004-12-29 | Seelen A/S | A method and a system for packaging objects in tubular film |
DE102009024663A1 (en) * | 2009-06-12 | 2010-12-16 | Becklönne, Dirk | Piece-goods wrapping method, involves widening periphery of foil bag by extension device, and aligning opening of foil bag after widening in vertically formed level, so that piece-goods are conveyable in horizontal direction into foil bag |
TR201816317T4 (en) * | 2010-08-24 | 2018-11-21 | Cnh Ind Belgium Nv | Winding system and method for large cotton or biomass bales. |
DE202014102841U1 (en) * | 2014-06-23 | 2015-09-24 | MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung | Opening device for opening a gusseted in a flat folded state, in particular of a hose supply, gusseted hose |
DK178374B1 (en) * | 2014-11-04 | 2016-01-18 | Frank Bruhn Aps | HORIZONTALLY ARRANGED WRAP PACKAGING SYSTEM |
DE102017116164A1 (en) * | 2017-07-18 | 2019-01-24 | Autefa Solutions Germany Gmbh | Packaging device and packaging process |
CN108502226B (en) * | 2018-05-21 | 2023-12-05 | 浙江自力机械有限公司 | Automatic yarn section of thick bamboo film bagging machine |
DE102019216346A1 (en) * | 2019-10-23 | 2021-04-29 | Signode Industrial Group Llc | Method and device for packaging a stack of goods in a tubular stretch film |
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US4050219A (en) * | 1976-02-19 | 1977-09-27 | Comptex, Inc. | Bagging machine |
US4495751A (en) * | 1980-11-11 | 1985-01-29 | W. R. Grace & Co., Cryovac Div. | Apparatus and method for packaging articles in a flexible wrapping material |
EP0344815A1 (en) * | 1988-06-03 | 1989-12-06 | Bernhard Beumer Maschinenfabrik KG | Method and device for wrapping products, in particular stacks of products, in a stretchable film cover |
US5467576A (en) * | 1991-05-06 | 1995-11-21 | Teepak, Inc. | Machine for making a package of food casing strands |
WO2003089303A1 (en) * | 2002-04-19 | 2003-10-30 | MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung | Device and method for wrapping unit loads or packaged goods |
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US3380220A (en) * | 1963-09-03 | 1968-04-30 | Dow Chemical Co | Plastic bag tree packaging |
US3389533A (en) * | 1966-02-09 | 1968-06-25 | Rheem Mfg Co | Packaging apparatus and method |
US3650298A (en) * | 1970-08-06 | 1972-03-21 | Crystal X Corp | Cartridge pack for trash compaction machine |
US3726060A (en) * | 1971-06-23 | 1973-04-10 | Millan A Mc | Apparatus for encasing product |
US3897674A (en) * | 1973-08-31 | 1975-08-05 | Comptex | Bagging machine |
US3994116A (en) * | 1975-03-05 | 1976-11-30 | E. I. Du Pont De Nemours And Company | Bale wrapping process |
DE3244064A1 (en) * | 1982-11-27 | 1984-05-30 | Günter 6080 Groß-Gerau Kollross | METHOD AND DEVICE FOR INACTIVELY LOADING THE FILLING TUBE OF A SAUSAGE FILLER AND SEALING MACHINE WITH FULLY FINISHED HOSE SLEEVE SECTIONS |
IT1168656B (en) * | 1983-03-25 | 1987-05-20 | Sorma Srl | AUTOMATIC EQUIPMENT FOR PACKAGING OF PACKAGING SCREENING WITH SUPPORT STRIPS AND LABELS ON CONTAINERS OF FRUITS AND VEGETABLES |
NL8600498A (en) * | 1986-02-27 | 1987-09-16 | Bordex Matco Division | METHOD AND APPARATUS FOR PACKING GOODS IN A PLASTIC FOIL. |
US5400569A (en) * | 1990-03-06 | 1995-03-28 | Owens-Corning Building Products (U.K.) Limited | Packing machine |
GB9005046D0 (en) * | 1990-03-06 | 1990-05-02 | Pilkington Insulation Ltd | Packing machine |
GB9224766D0 (en) * | 1992-11-26 | 1993-01-13 | Haffield John | Method and apparatus for packaging agricultural plant material |
US5392591A (en) * | 1993-03-12 | 1995-02-28 | International Packaging Incorporated | Hay recompression and netting machine |
CA2198201A1 (en) * | 1997-02-21 | 1998-08-21 | Yves Girard | Apparatus for hermetically bagging material, e.g. lumber pieces, in a cylindrical plastic tube |
-
2003
- 2003-02-24 DK DK200300278A patent/DK176023B1/en not_active IP Right Cessation
-
2004
- 2004-02-21 US US10/543,458 patent/US20060053750A1/en not_active Abandoned
- 2004-02-23 WO PCT/DK2004/000115 patent/WO2004074105A1/en active IP Right Grant
- 2004-02-23 AT AT04713516T patent/ATE353307T1/en not_active IP Right Cessation
- 2004-02-23 DE DE602004004634T patent/DE602004004634T2/en not_active Expired - Lifetime
- 2004-02-23 EP EP04713516A patent/EP1597147B1/en not_active Expired - Lifetime
- 2004-02-23 DK DK04713516T patent/DK1597147T3/en active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US4050219A (en) * | 1976-02-19 | 1977-09-27 | Comptex, Inc. | Bagging machine |
US4495751A (en) * | 1980-11-11 | 1985-01-29 | W. R. Grace & Co., Cryovac Div. | Apparatus and method for packaging articles in a flexible wrapping material |
EP0344815A1 (en) * | 1988-06-03 | 1989-12-06 | Bernhard Beumer Maschinenfabrik KG | Method and device for wrapping products, in particular stacks of products, in a stretchable film cover |
US5467576A (en) * | 1991-05-06 | 1995-11-21 | Teepak, Inc. | Machine for making a package of food casing strands |
WO2003089303A1 (en) * | 2002-04-19 | 2003-10-30 | MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung | Device and method for wrapping unit loads or packaged goods |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111094134A (en) * | 2017-08-23 | 2020-05-01 | 海福和博克公司 | Packaging system and method of packaging objects |
CN111094134B (en) * | 2017-08-23 | 2022-03-15 | 海福和博克公司 | Packaging system and method of packaging objects |
WO2020230046A1 (en) * | 2019-05-14 | 2020-11-19 | Tentoma A/S | Method for packing objects and packaging system |
US11987411B2 (en) | 2019-05-14 | 2024-05-21 | Tentoma A/S | Method for packing objects and packaging system |
ES2815298A1 (en) * | 2019-09-27 | 2021-03-29 | Innova Maqu Industrial S L | MACHINE FOR COLD SHEATHING OF VERTICAL AND HORIZONTAL LOADS (Machine-translation by Google Translate, not legally binding) |
WO2021058850A1 (en) * | 2019-09-27 | 2021-04-01 | Innova Maquinaria Industrial S.L. | Machine for cold stretch hooding of vertical and horizontal loads |
Also Published As
Publication number | Publication date |
---|---|
EP1597147B1 (en) | 2007-02-07 |
DE602004004634T2 (en) | 2007-11-22 |
DE602004004634D1 (en) | 2007-03-22 |
DK200300278A (en) | 2004-08-25 |
ATE353307T1 (en) | 2007-02-15 |
DK1597147T3 (en) | 2007-04-30 |
DK176023B1 (en) | 2005-12-19 |
EP1597147A1 (en) | 2005-11-23 |
US20060053750A1 (en) | 2006-03-16 |
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