WO2003095311A1 - A packaging system and a method of packaging compressible objects - Google Patents

A packaging system and a method of packaging compressible objects Download PDF

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Publication number
WO2003095311A1
WO2003095311A1 PCT/DK2003/000293 DK0300293W WO03095311A1 WO 2003095311 A1 WO2003095311 A1 WO 2003095311A1 DK 0300293 W DK0300293 W DK 0300293W WO 03095311 A1 WO03095311 A1 WO 03095311A1
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WO
WIPO (PCT)
Prior art keywords
mouthpiece
film
joined
casing
conveyed
Prior art date
Application number
PCT/DK2003/000293
Other languages
French (fr)
Inventor
Per Brodersen Nissen
Original Assignee
Seelen A/S
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 A/S filed Critical Seelen A/S
Priority to AU2003222737A priority Critical patent/AU2003222737A1/en
Publication of WO2003095311A1 publication Critical patent/WO2003095311A1/en

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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
    • B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
    • B65B63/02—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for compressing or compacting articles or materials prior to wrapping or insertion in containers or receptacles
    • 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
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/026—Enclosing successive articles, or quantities of material between opposed webs the webs forming a curtain

Definitions

  • the invention relates to a method of packaging at least one compressible object, eg one or more pieces of insulation material and a packaging system for exercising such method.
  • the novel and characterising aspect of the method comprises steps, wherein the object is compressed and introduced into a cylindrical mouthpiece, which mouthpiece is shrouded in film; film being advanced from two separate rolls; wherein the sheets of film from the rolls are, prior to use, joined to one coherent piece, and wherein the film is conveyed from the one side of the mouthpiece and each their way around the mouthpiece to its opposite side, on which side the film is either joined or cut off within the expanse of the joining, or joined along two parallel lines and cut off between the lines, such that the unused film remains coherent; and wherein the film shrouding the mouthpiece forms an essentially cylindrical casing, in which the compressed object is displaced out of the mouthpiece, while simultaneously the casing is displaced correspondingly by the mouthpiece and at least partially encloses the object such that compression of the object is at least partially maintained.
  • the objects can be packed in and immobilised by the film, and that the unused film remains coherent, whereby the method can be exercised as a continuous process, wherein it is not necessary to join film from the two rolls by separate means, but wherein this procedure is integrated in the method.
  • the costs of packaging are reduced compared to the use of finished bags.
  • the film is altematingly conveyed from a first side of the mouthpiece and joined on a second opposite side, and conveyed from the second side and joined on the first side, respectively.
  • the film does not have to be moved back to its starting position, but it can be applied altematingly from side to side, whereby time is saved and the packaging frequency can be accelerated, if desired.
  • Displacement of the compressed object out of the mouthpiece enables arrangement of the mouthpiece such that it protrudes a distance beyond the end of the mouthpiece, following which a flap of the protruding part of the casing is bent and pressed towards the object, at least at the beginning, while the object is displaced out of the mouthpiece.
  • a flap of the protruding part of the casing is bent and pressed towards the object, at least at the beginning, while the object is displaced out of the mouthpiece.
  • the casing being located so as to protrude a distance beyond the end of the mouthpiece, and opposite sections or flaps of the protruding part of the casing being joined or secured to the object, a second embodiment is obtained of an easy and inexpensive, synchronized pulling-off of the casing.
  • the object can be displaced out of the mouthpiece by means of a piston.
  • the object can be displaced out of the mouthpiece by means of at least one conveyor, said conveyor extending at least partially into the mouthpiece.
  • the object can be compressed between two conveyors that are displaced in a direction towards each other around the object, prior to the object being located in the mouthpiece.
  • the two conveyors can, upon the desired compression, convey the object into the mouthpiece. Thereby careful conveyance is accomplished.
  • the film from the rolls can be conveyed across a number of carrier rolls and between two sets of co-operating parallel welding elements.
  • the one and the other sets of welding elements can be activated altematingly, depending on to which side of the mouthpiece the welding is to be performed.
  • the cylindrical mouthpiece can be of rectangular cross-section with rounded edges. Thereby a convenient shape is accomplished for the wrapping of several objects at a time.
  • the novel and characterising aspects of the packaging system according to the invention relates to the packaging system that comprises: - an essentially cylindrical mouthpiece; - at least two rolls of film, said films being conveyed across a number of carrier rolls and through two sets of cooperating parallel welding elements, and which films are joined to one piece;
  • the mouthpiece is configured for introduction of at least one compressed object and shrouding with film
  • the welding elements are adapted for being conveyed each their way around the mouthpiece to the opposite side thereof, on which side the film can either be joined via the welding elements and cut off by means of a blade within the expanse of the joining, or can be joined by means of the welding elements along two parallel lines and cut off by means of a blade between the lines, such that the unused film remains coherent
  • the film shrouding the mouthpiece is able to form an essentially cylindrical casing; and wherein the compressed object is displaceable out of the mouthpiece, while simultaneously the casing can be displaced correspondingly out of the mouthpiece and at least partially enclose the object in such a manner that the compression of the object is at least partially maintained.
  • the objects can be packaged and immobilised by the film; and that the unused film remains coherent, whereby the packaging system is able to exercise the wrapping as a continuous process, wherein it is not necessary to join film from the two rolls by separate means, but wherein this procedure is integrated in the method.
  • the packaging system is able to exercise the wrapping as a continuous process, wherein it is not necessary to join film from the two rolls by separate means, but wherein this procedure is integrated in the method.
  • the system may be intended for successive packaging of objects, wherein the film can altematingly be conveyed from a first side of the mouthpiece and joined on a second, opposite side, and be conveyed from the second side and joined on the first side, respectively.
  • the film does not have to be moved back to its starting position; it can rather be applied altematingly from side to side, whereby time is saved, and the packaging frequency can be increased, if desired.
  • the cylindrical mouthpiece can be of an essentially rectangular cross section with rounded edges. Thereby a convenient shape for wrapping of several objects at a time is accomplished.
  • Figures 1 -6 are schematic views of the invention, seen in the longitudinal expanse of the mouthpiece;
  • Figures 7-8 show a packaging system, seen in the longitudinal expanse of the mouthpiece
  • Figure 9 shows a packaging system, seen transversally of the mouthpiece.
  • Figures 1-3 show a cylindrical mouthpiece 2 that is of an essentially rectangular cross-section.
  • a number of compressed objects 1 are located as well as two conveyors 14 that are intended for displacing the objects 1 out of the mouthpiece 2.
  • a film 4 is shown that is advanced in one coherent piece across a number of carrier rolls 16.
  • the film 4 is conveyed between two sets of welding elements 20, 22, 24, 26.
  • two blades 28 and 30 are arranged for cutting off the film 4 in respective situations.
  • Figure 1 shows the starting position, wherein welding elements 20, 22, 24, 26 are to be moved in the direction of the arrows, whereby they bring along the film 4.
  • FIG 2 shows how the film 4 is pulled around the mouthpiece 2, whereby the welding elements 20, 22, 24, 26 have passed by the mouthpiece 2, following which they are to assemble in the direction of the arrows.
  • Figure 3 shows the end, wherein the welding elements 20, 22, 24, 26 are taken together, such that the welding elements 20 and 24 join the film 4.
  • the joining can take place by the methods commonly known by the person skilled in the art. While the joining takes place or immediately after, the film 4 is cut off with the blade 28. The cutting off takes place either within the zone of joining or a double joining is employed, wherein the cutting off is accomplished between the joinings, such that the unused film 4 remains coherent.
  • By the cutting off there is thus formed a cylindrical casing 10. This casing is displaced by the mouthpiece 2, while simultaneously the objects 1 are displaced out of the mouthpiece, whereby the objects 1 are shrouded by the casing 10 that thus prevents the objects 1 from losing their compressed state and wraps the objects.
  • FIGs 4-6 show how the process according to figures 1-3 takes place in the opposite direction.
  • a film 4 has been conveyed across a number of carrier rolls 16 through two sets of co-operating welding elements 20, 22, 24, 26 in one coherent piece.
  • blades 28 and 30 are located.
  • the blades can also be located at welding elements 24 and 26 or in another combination, or be located and activated independently of the welding elements.
  • Within a cylindrical mouthpiece 2 a number of compressed objects 1 are located.
  • the film 4 is pulled around the mouthpiece 2. From Figure 5 it will appear that the welding elements 20, 22, 24, 26 have passed by the mouthpiece. Then the welding elements are brought towards each other as indicated by the arrows.
  • FIGs 7 and 8 show a packaging system comprising a cylindrical mouthpiece 2 that is intended for a number of compressed elements being located within it, which elements are to be packaged.
  • An amount of film 4 is wound on rolls 6 and 7, from where the film 4 is conveyed across a number of carrier rolls 16 and through two sets of cooperating welding elements 20, 22, 24 and 26.
  • welding elements 20 and 22 blades 28 and 30 are located.
  • conveyance means 32 and 34 are arranged.
  • the technique is merely given schematically for description of its principles and for understanding of the invention.
  • the welding elements 20, 22, 24, 26 and the film are arranged at a first side A of the mouthpiece 2 and in Figure 8 they are located at another side B.
  • Figure 9 shows a packaging system in which objects 1 are compressed in a compression station 36 and by means of a piston are displaced in compressed state into a cylindrical mouthpiece 2.
  • the mouthpiece may comprise a conical inlet for facilitating the introduction of the objects 1.
  • the figure shows a transparent film 4 and welding elements 20,
  • conveyance means 32 and 34 are arranged.
  • the piston 12 ejects the objects 1 out of the mouthpiece 2.
  • the film 4 is arranged to protrude a distance beyond the end of the mouthpiece 2, such that the withholder means 40 is able to bend a flap of loose film upwards towards the objects 1 and withhold. Thereby the objects 1 will, when pushed out by the piston 12, bring the film along, whereby the objects will be packaged.
  • the withholder means may eg be a pneumatic cylinder coupled via a release valve having a suitable setting, whereby a suitable, constant withholder force is applied to the flap towards the objects when the latter are displaced from the mouthpiece.
  • a suitable, constant withholder force is applied to the flap towards the objects when the latter are displaced from the mouthpiece.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

The invention relates to a method of packaging at least one compressible object (1), eg one or more pieces of insulation material, wherein the object is compressed and introduced into a cylindrical mouthpiece (2), which mouthpiece is shrouded in film (4); film being advanced from two separate rolls (7, 8); wherein the sheets of film from the rolls are, prior to use, joined to one coherent piece, and wherein the film is conveyed from one side of the mouthpiece and each their way around the mouthpiece to its opposite side, on which side the film is either joined or cut off within the expanse of the joining, or joined along two parallel lines, and cut off between the lines, such that the unused film remains coherent; and wherein the film shrouding the mouthpiece forms an essentially cylindrical casing (10), in which the compressed object is displaced out of the mouthpiece, while simultaneously the casing is displaced correspondingly by the mouthpiece and at least partially encloses the object such that compression of the object is at least partially maintained.

Description

A packaging system and a method of packaging compressible objects
The invention relates to a method of packaging at least one compressible object, eg one or more pieces of insulation material and a packaging system for exercising such method.
It is already known to wind or stack pieces of insulation material to form bales, following which the bales are compressed and loaded into finished plastics bags of such size that the compression is maintained. The plastics bags are mounted on a metal mouthpiece used as funnel for loading the compressed bales. Such plastics bags are comparatively expensive and presuppose complex handling equipment for application on the mouthpiece.
It is an object of the method to provide a method of packaging a number of compressed objects, wherein the use of finished plastics bags is obviated.
The novel and characterising aspect of the method comprises steps, wherein the object is compressed and introduced into a cylindrical mouthpiece, which mouthpiece is shrouded in film; film being advanced from two separate rolls; wherein the sheets of film from the rolls are, prior to use, joined to one coherent piece, and wherein the film is conveyed from the one side of the mouthpiece and each their way around the mouthpiece to its opposite side, on which side the film is either joined or cut off within the expanse of the joining, or joined along two parallel lines and cut off between the lines, such that the unused film remains coherent; and wherein the film shrouding the mouthpiece forms an essentially cylindrical casing, in which the compressed object is displaced out of the mouthpiece, while simultaneously the casing is displaced correspondingly by the mouthpiece and at least partially encloses the object such that compression of the object is at least partially maintained. On the basis of the novel and characterising aspects it is achieved that the objects can be packed in and immobilised by the film, and that the unused film remains coherent, whereby the method can be exercised as a continuous process, wherein it is not necessary to join film from the two rolls by separate means, but wherein this procedure is integrated in the method. By using film on rolls the costs of packaging are reduced compared to the use of finished bags.
It is possible to successively pack objects, wherein the film is altematingly conveyed from a first side of the mouthpiece and joined on a second opposite side, and conveyed from the second side and joined on the first side, respectively. Thereby the film does not have to be moved back to its starting position, but it can be applied altematingly from side to side, whereby time is saved and the packaging frequency can be accelerated, if desired.
Displacement of the compressed object out of the mouthpiece enables arrangement of the mouthpiece such that it protrudes a distance beyond the end of the mouthpiece, following which a flap of the protruding part of the casing is bent and pressed towards the object, at least at the beginning, while the object is displaced out of the mouthpiece. Thereby it is obtained that the casing is pulled along by the object and thus an easy and inexpensive synchronized pulling-off of the casing is provided.
The casing being located so as to protrude a distance beyond the end of the mouthpiece, and opposite sections or flaps of the protruding part of the casing being joined or secured to the object, a second embodiment is obtained of an easy and inexpensive, synchronized pulling-off of the casing.
According to a convenient embodiment it is possible to blow in air between the mouthpiece and the casing for reducing the friction there between. Thereby the pulling-off of the casing is facilitated and the functionality becomes more reliable.
According to yet a convenient embodiment the object can be displaced out of the mouthpiece by means of a piston.
According to a further convenient embodiment the object can be displaced out of the mouthpiece by means of at least one conveyor, said conveyor extending at least partially into the mouthpiece.
According to yet a convenient embodiment the object can be compressed between two conveyors that are displaced in a direction towards each other around the object, prior to the object being located in the mouthpiece.
According to a further convenient embodiment the two conveyors can, upon the desired compression, convey the object into the mouthpiece. Thereby careful conveyance is accomplished.
According to a preferred embodiment the film from the rolls can be conveyed across a number of carrier rolls and between two sets of co-operating parallel welding elements. Thereby the one and the other sets of welding elements can be activated altematingly, depending on to which side of the mouthpiece the welding is to be performed.
The cylindrical mouthpiece can be of rectangular cross-section with rounded edges. Thereby a convenient shape is accomplished for the wrapping of several objects at a time.
The novel and characterising aspects of the packaging system according to the invention relates to the packaging system that comprises: - an essentially cylindrical mouthpiece; - at least two rolls of film, said films being conveyed across a number of carrier rolls and through two sets of cooperating parallel welding elements, and which films are joined to one piece;
- at least two blades for cutting off film, said blades being located at the welding elements;
- means for manipulating and controlling the welding elements; wherein the mouthpiece is configured for introduction of at least one compressed object and shrouding with film, wherein the welding elements are adapted for being conveyed each their way around the mouthpiece to the opposite side thereof, on which side the film can either be joined via the welding elements and cut off by means of a blade within the expanse of the joining, or can be joined by means of the welding elements along two parallel lines and cut off by means of a blade between the lines, such that the unused film remains coherent; and wherein the film shrouding the mouthpiece is able to form an essentially cylindrical casing; and wherein the compressed object is displaceable out of the mouthpiece, while simultaneously the casing can be displaced correspondingly out of the mouthpiece and at least partially enclose the object in such a manner that the compression of the object is at least partially maintained.
From these novel and characterising aspects it is accomplished that the objects can be packaged and immobilised by the film; and that the unused film remains coherent, whereby the packaging system is able to exercise the wrapping as a continuous process, wherein it is not necessary to join film from the two rolls by separate means, but wherein this procedure is integrated in the method. By using film directly off the roll, the costs of packaging are reduced compared to the use of finished bags.
According to a preferred embodiment the system may be intended for successive packaging of objects, wherein the film can altematingly be conveyed from a first side of the mouthpiece and joined on a second, opposite side, and be conveyed from the second side and joined on the first side, respectively. Thereby the film does not have to be moved back to its starting position; it can rather be applied altematingly from side to side, whereby time is saved, and the packaging frequency can be increased, if desired.
The cylindrical mouthpiece can be of an essentially rectangular cross section with rounded edges. Thereby a convenient shape for wrapping of several objects at a time is accomplished.
In the following, the invention will be described in further detail with reference to figures that point to exemplary embodiments of the invention, wherein:
Figures 1 -6 are schematic views of the invention, seen in the longitudinal expanse of the mouthpiece;
Figures 7-8 show a packaging system, seen in the longitudinal expanse of the mouthpiece;
Figure 9 shows a packaging system, seen transversally of the mouthpiece.
Figures 1-3 show a cylindrical mouthpiece 2 that is of an essentially rectangular cross-section. Within the mouthpiece 2, a number of compressed objects 1 are located as well as two conveyors 14 that are intended for displacing the objects 1 out of the mouthpiece 2. Moreover a film 4 is shown that is advanced in one coherent piece across a number of carrier rolls 16. The film 4 is conveyed between two sets of welding elements 20, 22, 24, 26. At welding elements 20 and 22 two blades 28 and 30 are arranged for cutting off the film 4 in respective situations. Figure 1 shows the starting position, wherein welding elements 20, 22, 24, 26 are to be moved in the direction of the arrows, whereby they bring along the film 4. Figure 2 shows how the film 4 is pulled around the mouthpiece 2, whereby the welding elements 20, 22, 24, 26 have passed by the mouthpiece 2, following which they are to assemble in the direction of the arrows. Figure 3 shows the end, wherein the welding elements 20, 22, 24, 26 are taken together, such that the welding elements 20 and 24 join the film 4. The joining can take place by the methods commonly known by the person skilled in the art. While the joining takes place or immediately after, the film 4 is cut off with the blade 28. The cutting off takes place either within the zone of joining or a double joining is employed, wherein the cutting off is accomplished between the joinings, such that the unused film 4 remains coherent. By the cutting off there is thus formed a cylindrical casing 10. This casing is displaced by the mouthpiece 2, while simultaneously the objects 1 are displaced out of the mouthpiece, whereby the objects 1 are shrouded by the casing 10 that thus prevents the objects 1 from losing their compressed state and wraps the objects.
Figures 4-6 show how the process according to figures 1-3 takes place in the opposite direction. A film 4 has been conveyed across a number of carrier rolls 16 through two sets of co-operating welding elements 20, 22, 24, 26 in one coherent piece. At the welding elements 20 and 22, blades 28 and 30 are located. The blades can also be located at welding elements 24 and 26 or in another combination, or be located and activated independently of the welding elements. Within a cylindrical mouthpiece 2, a number of compressed objects 1 are located. As the welding elements 20, 22, 24, 26 are moved in the direction of the arrows, the film 4 is pulled around the mouthpiece 2. From Figure 5 it will appear that the welding elements 20, 22, 24, 26 have passed by the mouthpiece. Then the welding elements are brought towards each other as indicated by the arrows. From Figure 6 it will appear that the welding elements 22 and 26 have been conveyed towards each other for joining of the film 4. Simultaneously therewith or immediately afterwards the film 4 is cut off by means of the blade 30. The cutting off takes place within the zone of joining or a double joining may be made, eg along two parallel lines, wherein cutting is performed between the joinings, such that the unused film 4 continues to be coherent. Simultaneously a cylindrical casing 10 is formed that enshrouds the mouthpiece 2. The packaging of the objects 1 is accomplished in the same manner as explained above.
As will appear from Figures 1-6 the process of providing casings 10 from the film 4 can be accomplished altematingly from one side to the other and vice versa. Thereby it is possible to increase the packaging frequency.
Figures 7 and 8 show a packaging system comprising a cylindrical mouthpiece 2 that is intended for a number of compressed elements being located within it, which elements are to be packaged. An amount of film 4 is wound on rolls 6 and 7, from where the film 4 is conveyed across a number of carrier rolls 16 and through two sets of cooperating welding elements 20, 22, 24 and 26. By the welding elements 20 and 22 blades 28 and 30 are located. For conveying the welding elements back and forth and up and down, conveyance means 32 and 34 are arranged. In the figure the technique is merely given schematically for description of its principles and for understanding of the invention. In Figure 7 the welding elements 20, 22, 24, 26 and the film are arranged at a first side A of the mouthpiece 2 and in Figure 8 they are located at another side B. Between the positions at A and B, conveyance, joining and cutting off is performed, as shown in Figures 1-6 and explained above. Figure 9 shows a packaging system in which objects 1 are compressed in a compression station 36 and by means of a piston are displaced in compressed state into a cylindrical mouthpiece 2. The mouthpiece may comprise a conical inlet for facilitating the introduction of the objects 1. Besides, the figure shows a transparent film 4 and welding elements 20,
22, 24 and 26 and blades 28 and 30 for cutting. For conveying the welding elements back and forth and up and down, conveyance means 32 and 34 are arranged. When a casing 10 is formed, as described above, the piston 12 ejects the objects 1 out of the mouthpiece 2. The film 4 is arranged to protrude a distance beyond the end of the mouthpiece 2, such that the withholder means 40 is able to bend a flap of loose film upwards towards the objects 1 and withhold. Thereby the objects 1 will, when pushed out by the piston 12, bring the film along, whereby the objects will be packaged. The withholder means may eg be a pneumatic cylinder coupled via a release valve having a suitable setting, whereby a suitable, constant withholder force is applied to the flap towards the objects when the latter are displaced from the mouthpiece. When a certain portion' of the objects 1 have left the mouthpiece 2 they expand slightly, which obviates the need for the withholding force due to the friction that occurs between the objects 1 and the film 4. Upon final ejection, the objects 1 are transferred in their packaged state to the conveyor 38.

Claims

C l a i m s
1. A method of packaging at least one compressible object (1 ), eg one or more pieces of insulation material, characterised in that the method comprises steps in which the object is compressed and introduced into a cylindrical mouthpiece (2), which mouthpiece is shrouded in film (4); film being advanced from two separate rolls (7, 8); wherein the sheets of film from the rolls are, prior to use, joined to one coherent piece, and wherein the film is conveyed from the one side of the mouthpiece and each their way around the mouthpiece to its opposite side, on which side the film is either joined or cut off within the expanse of the joining, or joined along two parallel lines and cut off between the lines, such that the unused film remains coherent; and wherein the film shrouding the mouthpiece forms an essentially cylindrical casing (10), in which the compressed object is displaced out of the mouthpiece, while simultaneously the casing is displaced correspondingly by the mouthpiece and at least partially encloses the object such that compression of the object is at least partially maintained.
2. A method according to claim 1 , characterised in that objects are successively packaged, wherein the film is altematingly conveyed from a first side (A) of the mouthpiece and joined on a second, opposite side (B), and is conveyed from the second side (B) and joined on the first side (A), respectively.
3. A method according to claim 1 or 2, characterised in that by displacement of the compressed object (1 ) out of the mouthpiece (2), the casing (10) is located such as to protrude a distance beyond the end of the mouthpiece, following which a flap of the protruding part of the casing is bent and pressed towards the object, at least at the beginning, while the object is displaced out of the mouthpiece.
4. A method according to one or more of claims 1-3, characterised in that the casing (10) is arranged to protrude a distance beyond the end of the mouthpiece, and that opposed sections or flaps of the protruding part of the casing are joined to or attached to the object.
5. A method according to one or more of claims 1-4, characterised in that air is blown in between the mouthpiece (2) and the casing (10) for reducing the friction there between.
6. A method according to one or more of claims 1-5, characterised in that the object (1 ) is displaced out of the mouthpiece (2) by means of a piston (12).
7. A method according to one or more of claims 1-6, characterised in that the object (1 ) is displaced out of the mouthpiece (2) by means of at least one conveyor (14), which conveyor extends at least partially into the mouthpiece.
8. A method according to one or more of claims 1-7, characterised in that the object (1 ) is compressed between two conveyors that are displaced towards each other around the object.
9. A method according to claim 8, characterised in that the two conveyors will, upon the desired compression, convey the object (1 ) into the mouthpiece (2).
10. A method according to one or more of claims 1-9, characterised in that the film (4) from the rolls (6,7) is conveyed across a number of carrier rolls (16) and between two sets of cooperating, parallel welding elements (20, 22, 24, 26).
11. A method according to one or more of claims 1-10, characterised in that the cylindrical mouthpiece (2) is of an essentially rectangular cross- section with rounded edges.
12. A packaging system for packaging at least one compressible object (1 ), eg one or more pieces of insulation material, characterised in that the packaging system comprises:
- an essentially cylindrical mouthpiece (2); - at least two rolls (6, 7) of film (4), said films being conveyed across a number of carrier rolls (16) and through two sets of cooperating parallel welding elements (20, 22, 24, 26), and which films are joined to one piece;
- at least two blades (28, 30) for cutting off film, said blades being located at the welding elements;
- means for manipulating and controlling the welding elements; wherein the mouthpiece (2) is configured for introduction of at least one compressed object (1 ) and shrouding with film, wherein the welding elements are adapted for being conveyed each their way around the mouthpiece to the opposite side thereof, on which side the film can either be joined via the welding elements and cut off by means of a blade within the expanse of the joining, or can be joined by means of the welding elements along two parallel lines and cut off by means of a blade between the lines, such that the unused film remains coherent; and wherein the film shrouding the mouthpiece is able to form an essentially cylindrical casing (10); and wherein the compressed object is displaceable out of the mouthpiece, while simultaneously the casing can be displaced correspondingly out of the mouthpiece and at least partially enclose the object in such a manner that the compression of the object is at least partially maintained.
13. A packaging system according to claim 12, characterised in that the system is intended for successively wrapping objects (1), wherein the film (4) can altematingly be conveyed from a first side (A) of the mouthpiece (2) and joined on a second, opposite side (B), and be conveyed from the second side (B) and joined on the first side (A), respectively.
14. A packaging system according to claim 12 or 13, characterised in that the cylindrical mouthpiece is of an essentially rectangular cross section with rounded edges.
PCT/DK2003/000293 2002-05-08 2003-05-06 A packaging system and a method of packaging compressible objects WO2003095311A1 (en)

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Application Number Priority Date Filing Date Title
AU2003222737A AU2003222737A1 (en) 2002-05-08 2003-05-06 A packaging system and a method of packaging compressible objects

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DKPA200200705 2002-05-08
DK200200705A DK200200705A (en) 2002-05-08 2002-05-08 Packing system and method for packing compressible items

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747743A (en) * 1971-04-07 1973-07-24 Certain Teed St Gobain Insulation package
US4094130A (en) * 1977-04-19 1978-06-13 Fiberglas Canada Limited Apparatus for compressing and packaging articles
US4592193A (en) * 1982-08-26 1986-06-03 Gustavsson Olov Erland Apparatus for packaging resiliently compressible articles
US5226269A (en) * 1992-05-22 1993-07-13 Haybuster Manufacturing Inc. Apparatus and method for automatically baling loose fibrous material
WO2003035481A1 (en) * 2001-10-24 2003-05-01 Matsumoto System Engineering Co., Ltd. Method and device for packaging load body
US6571694B1 (en) * 1999-02-22 2003-06-03 Glenn Gustafsson Device for stacking and compressing soft elements

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747743A (en) * 1971-04-07 1973-07-24 Certain Teed St Gobain Insulation package
US4094130A (en) * 1977-04-19 1978-06-13 Fiberglas Canada Limited Apparatus for compressing and packaging articles
US4592193A (en) * 1982-08-26 1986-06-03 Gustavsson Olov Erland Apparatus for packaging resiliently compressible articles
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