DK200300278A - Method and system for wrapping items and using the method - Google Patents

Method and system for wrapping items and using the method Download PDF

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Publication number
DK200300278A
DK200300278A DK200300278A DKPA200300278A DK200300278A DK 200300278 A DK200300278 A DK 200300278A DK 200300278 A DK200300278 A DK 200300278A DK PA200300278 A DKPA200300278 A DK PA200300278A DK 200300278 A DK200300278 A DK 200300278A
Authority
DK
Denmark
Prior art keywords
film
objects
foil
following
folds
Prior art date
Application number
DK200300278A
Other languages
Danish (da)
Inventor
Petersen Poul Blom
Original Assignee
Seelen As
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 Seelen As filed Critical Seelen As
Priority to DK200300278A priority Critical patent/DK176023B1/en
Priority to US10/543,458 priority patent/US20060053750A1/en
Priority to EP04713516A priority patent/EP1597147B1/en
Priority to DE602004004634T priority patent/DE602004004634T2/en
Priority to DK04713516T priority patent/DK1597147T3/en
Priority to PCT/DK2004/000115 priority patent/WO2004074105A1/en
Priority to AT04713516T priority patent/ATE353307T1/en
Publication of DK200300278A publication Critical patent/DK200300278A/en
Application granted granted Critical
Publication of DK176023B1 publication Critical patent/DK176023B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13Enclosing 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
    • B65B9/135Enclosing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00Enclosing 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
    • B65B9/10Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13Enclosing 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
    • B65B9/14Devices for distending tubes supplied in the flattened state

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

The invention involves a method and a system and use of the method for wrapping one or more objects ( 6 ) in stretch film, said film ( 1 ) comprising a tube-like section, the diameter of which is smaller than the diameter of the object or objects to be wrapped, said film comprising a first end ( 2 ) and a second opposite end ( 4 ), wherein 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. Novel aspects comprise that the object or objects are supported and advanced essentially horizontally or under a flat angle in relation to the horizontal into the expanded film from the first free end thereof towards the second end of the film, which other end is closed, following which the film is pulled around the object or objects the folds of the film being unfolded, until the entire object or objects is/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. Hereby, compared to the prior art, it is accomplished that the object or objects is/are enclosed on all sides and hence completely.

Description

Patentkrav 1. Metode til indpakning af et eller flere emner(6) med strækfolie, hvilken folie(1) omfatter et slangeformet stykke, hvis omfang er mindre end omfanget af emnet eller emnerne(6), som skal indpakkes, hvilken folie(1) omfatter en første ende(2) og en anden modsat og lukket ende(4), hvor folien(1) åbnes ved sin første ende{2) og forsynes med et flertal af foldninger på tværs af sin længdeakse, hvorefter folien(1) ekspanderes diametralt, kendetegnet ved, at emnet eller emnerne(6) understøttes og fremføres, i hovedsagen horisontalt eller under en flad vinkel i forhold til vandret, ind i den ekspanderede folie(2) fra dennes første åbne ende(2) imod foliens anden ende(4), hvorefter folien(1) trækkes omkring emnet eller emneme(6), idet foliens foldninger udfoldes, indtil hele emnet eller emnerne(6) er indført i folien(1), hvorefter foliens første ende(2) lukkes ved sammenføjning for fuldstændig indelukning af emnet eller emnerne i folien. 2. En metode ifølge krav 1, kendetegnet ved, at folien(1), under fremføring af emnet eller emnerne(6) i folien, er placeret ved et mellemrum imellem en første og en anden understøtning, og hvor emnet eller emnerne ved fremføringen bevæges fra den første til den anden understøtning. 3. En metode ifølge krav 1 eller 2, kendetegnet ved, at emnet eller emnerne (6) placeres på den første understøtning og gribes med gribemidler, hvorefter emnet eller emnerne indføres i folien(1) og placeres på den anden understøtning, hvorefter emnet eller emnerne slippes. 4. En metode ifølge et af kravene 1-3, kendetegnet ved, at i det mindste den første understøtning omfatter midler til forskydning af emnet eller emnerne(6). 5. En metode ifølge et eller flere af de foranstående krav, kendetegnet ved, at den første understøtning er forskydelig eller omfatter en forskydelig sektion, hvor den første understøtning eller sektion forskydes og indføres i den ekspanderede folie(1) for yderligere understøtning af emnet eller emnerne(6) under bevægelse fra den første til den anden understøtning. 6. En metode ifølge et eller flere af de foranstående krav, kendetegnet ved, at folien(1) ved trækning omkring emnet eller emnerne(6) belastes for opstramning. 7. En metode ifølge krav 6, kendetegnet ved, at belastningen påfører folien(1) en permanent længdeforøgelse. 8. En metode ifølge et eller flere af de foranstående krav, kendetegnet ved, at den første, den anden og den yderligere understøtning er rullebaner og/eller transportbånd. 9. En metode ifølge et eller flere af de foranstående krav, kendetegnet ved, at sammenføjninger sker ved svejsning. 10. En metode ifølge et eller flere af de foranstående krav, kendetegnet ved, at emnet eller emneme{6) er placeret på et bæremiddel såsom en palle. 11. En metode ifølge et eller flere af de foranstående krav, kendetegnet ved, at folien(1) dispenseres fra en lagerenhed(8), hvorfra den i passende længde afkortes og lukkes i sin anden ende(4) ved sammenføjning før foldning. 12. En metode ifølge krav 11, kendetegnet ved, at folien(1) på lagerenheden(8) er forsynet med langsgående foldninger, som formindsker bredden af folien. 13. Et system til udøvelse af metoden ifølge et eller flere af kravene 1-10, hvor et eller flere emner(6) indpakkes i strækfolie, hvilken folie(1) omfatter et slangeformet stykke, hvis omfang er mindre end omfanget af emnet eller emnerne(6), som skal indpakkes, hvilken folie(1) omfatter en første ende(2) og en anden modsat og lukket ende(4), hvor systemet omfatter midler til åbning(22) af folien ved dennes første ende og midler til bevægelse(20,22) af folien ind over en hul udstrækningsenhed(IO) og forsyning af folien med et flertal af foldninger på tværs af sin længdeakse, hvilken udstrækningsenhed(IO) omfatter midler til at ekspandere folien diametralt samt midler til dannelse af modhold (20) under frigivelse af folien, kendetegnet ved, at systemet omfatter midler til understøtning(12,14,15) og en i hovedsagen horisontal, eller under en flad vinkel i forhold til vandret, fremføring af emnet eller emnerne(6) igennem udstrækningsenheden(IO), med folien(1) i ekspanderet tilstand for trækning af folien(1) omkring emnet eller emnerne(6) og fuldstændig indføring af denne eller disse i folien(1), samt midler til lukning og sammenføjning(16) af foliens første ende(2) til fuldstændig indelukning af emnet eller emnerne(6) i folien. 14. Et system ifølge krav 13, kendetegnet ved, at systemet omfatter en første rullebane(12), hvorfra emnet eller emnerne(6) fremføres til udstrækningsenheden(IO), en forskydelig rullebanesektion(15), som er forskydelig ind i udstrækningsenheden(IO), når denne har ekspanderet folien(1), samt en anden rullebane(14) til modtagelse af emnet eller emnerne. 15. Et system ifølge krav 13 eller 14, kendetegnet ved, at systemet omfatter midler til dispensering af folie fra en lagerenhed(8). 16. Et system ifølge et af kravene 13-15, kendetegnet ved, at systemet omfatter midler til svejsning(16) og midler til overskæring(18) af folien, hvilke midler er forskydelige og placeret efter udstrækningsenheden(IO). 17. Et system ifølge et eller flere af kravene 13-16, kendetegnet ved, at udstrækningsenheden(IO) omfatter drevne ruller(20) for indspoling af folie(1), hvilke ruller under trækning af folie omkring emnet eller emnerne(6) danner modhold. 18. Et system ifølge krav 17, kendetegnet ved, at rullerne(20) omfatter midler til måling af vinkeldrejning, herunder encodere. 19. Anvendelse af en metode ifølge et eller flere af kravene 1-12 til indpakning af et eller flere emner(6), hvilke emner(6) i hovedsagen er flade og langstrakte, og hvor emnet eller emnerne(6) indpakkes med den langsgående akse beliggende parallelt med en akse gående imellem foliens første og anden ende(2,4).Claim 1. A method for wrapping one or more articles (6) with stretch film, which film (1) comprises a tubular piece the size of which is smaller than the size of the article or articles (6) to be wrapped, which film (1) comprises a first end (2) and a second opposite and closed end (4), the foil (1) being opened at its first end {2) and provided with a plurality of folds across its longitudinal axis, after which the foil (1) is expanded diametrically, characterized in that the workpiece (s) (6) is supported and conveyed, generally horizontally or at a flat angle to the horizontal, into the expanded film (2) from its first open end (2) towards the other end of the film ( 4), after which the foil (1) is drawn around the blank (s) (6), the folds of the foil unfolding until the whole blank (s) (6) is inserted into the foil (1), after which the first end (2) of the foil is closed by joining completely enclosure of the item or items in the foil. A method according to claim 1, characterized in that, during the feeding of the workpiece (s) (6) in the film, the film (1) is placed at a space between a first and a second support and the workpiece (s) is moved during the feeding. from the first to the second support. A method according to claim 1 or 2, characterized in that the blank (s) (6) is placed on the first support and gripped with gripping means, after which the blank (s) is inserted into the foil (1) and placed on the second support, after which the blank or the items are released. A method according to any one of claims 1-3, characterized in that at least the first support comprises means for displacing the workpiece (s) (6). A method according to one or more of the preceding claims, characterized in that the first support is slidable or comprises a slidable section, wherein the first support or section is slidable and inserted into the expanded film (1) for further support of the workpiece or the items (6) moving from the first to the second support. A method according to one or more of the preceding claims, characterized in that the film (1) is subjected to tension for tightening around the blank (s) (6). A method according to claim 6, characterized in that the load applies a permanent length increase to the foil (1). A method according to one or more of the preceding claims, characterized in that the first, second and further supports are roller conveyors and / or conveyor belts. A method according to one or more of the preceding claims, characterized in that joints are made by welding. Method according to one or more of the preceding claims, characterized in that the workpiece (s) (6) is placed on a carrier such as a pallet. A method according to one or more of the preceding claims, characterized in that the film (1) is dispensed from a storage unit (8) from which it is cut short and closed at its other end (4) by joining before folding. A method according to claim 11, characterized in that the film (1) on the storage unit (8) is provided with longitudinal folds which reduce the width of the film. A system for carrying out the method according to any one of claims 1-10, wherein one or more articles (6) are wrapped in stretch film, said film (1) comprising a tubular piece the size of which is smaller than the size of the article or articles. (6) to be wrapped, which film (1) comprises a first end (2) and a second opposite and closed end (4), the system comprising means for opening (22) the film at its first end and means for movement (20,22) of the film over a hollow extension unit (IO) and supplying the film with a plurality of folds across its longitudinal axis, said extension unit (IO) comprising means for expanding the film diametrically as well as means for forming retention (20). ) during release of the film, characterized in that the system comprises means for supporting (12,14,15) and a generally horizontal, or at a flat angle with respect to horizontal, advance of the workpiece (s) (6) through the extension unit (IO). ), with the foil (1) in expanded t for drawing the film (1) around the article (s) (6) and fully inserting the film (s) into the film (1), and means for closing and joining (16) the first end (2) of the film to completely enclose the article or the items (6) in the foil. A system according to claim 13, characterized in that the system comprises a first runway (12) from which the workpiece (s) (6) is conveyed to the extension unit (10), a displaceable runway section (15) slidable into the extension unit (10). ), when it has expanded the foil (1), and another runway (14) for receiving the item (s). A system according to claim 13 or 14, characterized in that the system comprises means for dispensing film from a storage unit (8). A system according to any one of claims 13-15, characterized in that the system comprises means for welding (16) and means for cutting (18) of the foil, which means are displaceable and positioned according to the extension unit (10). A system according to one or more of claims 13-16, characterized in that the extension unit (10) comprises driven rollers (20) for winding foil (1), which rolls during drawing of foil around the blank (s) (6). backstop. A system according to claim 17, characterized in that the rollers (20) comprise means for measuring angular rotation, including encoders. Use of a method according to one or more of claims 1-12 for wrapping one or more blanks (6), which blanks (6) are generally flat and elongated, and wherein the blank (s) (6) is wrapped with the longitudinal axis located parallel to an axis passing between the first and second ends of the foil (2,4).

DK200300278A 2003-02-24 2003-02-24 Method and system for wrapping items and using the method DK176023B1 (en)

Priority Applications (7)

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
US10/543,458 US20060053750A1 (en) 2003-02-24 2004-02-21 Method and a system for wrapping objects and use of the method
EP04713516A EP1597147B1 (en) 2003-02-24 2004-02-23 A 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
PCT/DK2004/000115 WO2004074105A1 (en) 2003-02-24 2004-02-23 A method and a system for wrapping objects and use of the method
AT04713516T ATE353307T1 (en) 2003-02-24 2004-02-23 METHOD AND SYSTEM FOR PACKING OBJECTS AND USE OF THE METHOD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200300278 2003-02-24
DK200300278A DK176023B1 (en) 2003-02-24 2003-02-24 Method and system for wrapping items and using the method

Publications (2)

Publication Number Publication Date
DK200300278A true DK200300278A (en) 2004-08-25
DK176023B1 DK176023B1 (en) 2005-12-19

Family

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DK200300278A DK176023B1 (en) 2003-02-24 2003-02-24 Method and system for wrapping items and using the method
DK04713516T DK1597147T3 (en) 2003-02-24 2004-02-23 Method and system for wrapping items and using the method

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK04713516T DK1597147T3 (en) 2003-02-24 2004-02-23 Method and system for wrapping items and using 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)

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Also Published As

Publication number Publication date
EP1597147A1 (en) 2005-11-23
ATE353307T1 (en) 2007-02-15
WO2004074105A1 (en) 2004-09-02
US20060053750A1 (en) 2006-03-16
DE602004004634T2 (en) 2007-11-22
DK1597147T3 (en) 2007-04-30
DE602004004634D1 (en) 2007-03-22
EP1597147B1 (en) 2007-02-07
DK176023B1 (en) 2005-12-19

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