EP4008639B1 - Procédé de cerclage de colis et machine de cerclage associée - Google Patents

Procédé de cerclage de colis et machine de cerclage associée

Info

Publication number
EP4008639B1
EP4008639B1 EP21211720.4A EP21211720A EP4008639B1 EP 4008639 B1 EP4008639 B1 EP 4008639B1 EP 21211720 A EP21211720 A EP 21211720A EP 4008639 B1 EP4008639 B1 EP 4008639B1
Authority
EP
European Patent Office
Prior art keywords
stretch
strap
extremal
bending
package
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21211720.4A
Other languages
German (de)
English (en)
Other versions
EP4008639A1 (fr
Inventor
Luca IACARUSO
Michele IACARUSO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LK Lab SRL
Original Assignee
LK Lab SRL
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 LK Lab SRL filed Critical LK Lab SRL
Publication of EP4008639A1 publication Critical patent/EP4008639A1/fr
Application granted granted Critical
Publication of EP4008639B1 publication Critical patent/EP4008639B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65B13/00Bundling articles
    • B65B13/02Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00Bundling articles
    • B65B13/18Details of, or auxiliary devices used in, bundling machines or bundling tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00Bundling articles
    • B65B13/18Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24Securing ends of binding material
    • B65B13/30Securing ends of binding material by deforming the overlapping ends of the strip or band

Definitions

  • the present invention relates to a process for the strapping of packages and a related strapping machine.
  • strapping machines In the field of packaging machines, strapping machines are known intended to wind a package with a strip, called strap, made of a flexible material, in order to give greater strength to the package itself.
  • packages are generally made of paperboard material and are closed by gluing the edges or using adhesive tape.
  • this type of packaging is easily subject to wear and tear, especially if the products it contains are particularly heavy.
  • the strapping process carried out by means of strapping machines of known type involves winding the strap around a package, tensioning the strap so that it is tightened around the package, cutting the strap and closing the strap to form a closed loop.
  • the known techniques provide for the use of a strap made of plastic material which is closed by thermo-sealing the relevant extremal portions together.
  • the sealing of straps made of plastic material is particularly practical and quick and allows optimal sealing of the closed loop.
  • US 4 154 158 A discloses a process for the strapping of packages which comprises the phases of: supplying a strap having one free end, wrapping the strap around a package, tensioning the strap, cutting the strap to obtain a second free end and closing the strap to form a closed loop.
  • the main aim of the present invention is to devise a process for the strapping of packages and a related strapping machine which allow reducing the environmental impact and are sustainable.
  • Another object of the present invention is to devise a process for the strapping of packages and a related strapping machine which allow the use of easily recyclable and low cost materials.
  • a further object of the present invention is to devise a process for the strapping of packages and a related strapping machine which enable the packages to be strengthened and give them a high resistance to breakage events.
  • Another object of the present invention is to devise a process for the strapping of packages and a related strapping machine, which allow the aforementioned drawbacks of the prior art to be overcome within a simple, rational, easy and effective to use as well as affordable solution.
  • reference numeral 1 globally indicates a strapping machine for the strapping of packages.
  • the strapping machine 1 comprises at least one basic frame 2 positionable at a line of forward movement L of at least one package P.
  • the expression "package” means a wrapping adapted to package manufactured articles.
  • the package P is made of a paperboard material. It cannot, however, be ruled out that the packaging is made of a different material.
  • the line of forward movement L is adapted to move the package P with respect to the strapping machine 1 in order to perform a strapping process.
  • the line of forward movement L is of the type of, e.g., a conveyor belt, a roller conveyor or the like.
  • the strapping machine 1 comprises at least one strapping head 3 associated with the basic frame 2 and adapted to wind and tension a strap 4, having a first free end 5, around the package P.
  • the strap 4 is a strip made of a flexible material and intended to be wrapped around the package P to give the latter greater strength.
  • the strap 4 comprises a first surface 17 intended to be turned towards the package P and a second surface 18, opposite the first surface 17 and intended to face towards the outside.
  • the strapping machine 1 also comprises supply means 6 adapted to provide the strap 4 to the strapping head 3.
  • the supply means 6 comprise at least one supporting assembly 7 of a strapping roll 8 and at least one movement assembly 9 of the strap 4 towards the strapping head 3.
  • the strapping head 3 comprises:
  • winding means 10 and the tensioning means 11 are of the type known to the person skilled in the art and will not be described in detail in the remainder of the present disclosure.
  • the winding means 10 and the tensioning means 11 may comprise a series of motorized rollers and wheels adapted to make the strap 4 slide coming out of the strapping head 3, during a winding phase of the package P, and to allow it to return into the strapping head itself, during a tensioning phase.
  • the strapping machine 1 comprises at least one guiding arch 29 associated with the basic frame 2 and along which the strapping head 3 is positioned.
  • the guiding arch 29 has the function of automatically winding the strap 4 around the package P.
  • the winding means 10 comprise dragging means, not shown in detail in the figures, adapted to drag the first end 5 along the guiding arch 29 to wind the package P.
  • the guiding arch 29 is arranged on a substantially vertical plane. In this way, the closed loop around the packaging also lies on a substantially vertical plane.
  • Embodiments wherein the guiding arch 29 is arranged on a substantially horizontal or inclined plane cannot however be ruled out.
  • the strapping head 3 is arranged above the line of forward movement L and the guiding arch 29 extends below the strapping head itself.
  • the strapping head 3 is arranged along the guiding arch 29, laterally to the line of forward movement L. Also embodiments cannot be ruled out from the scope of the present invention wherein the strapping machine 1 is without the guiding arch 29 and the winding of the package P with the strap 4 is carried out manually by an operator.
  • the strap 4 is fitted again into the strapping head 3 through the first end 5 and held so as to allow tensioning.
  • the cutting means 12 are adapted to cut the strap 4 so as to obtain a portion of strap 4 wrapped and tensioned around the package P, having the second end 13 opposite the first end 5.
  • the cutting operation defines a new first free end 5, in the strap 4 still connected to the supply means 6.
  • the strap 4 is made of a metal material and the closing means 14 comprise bending means 19,20 of the extremal portions 15,16 of the strap 4 comprising the free ends 5,13, one on top of the other.
  • the special feature of providing a strap 4 made of a metal material makes it possible to do without the plastic materials and to reduce the environmental impact, making the strapping machine 1 and the related strapping process extremely sustainable.
  • the metal material is aluminum.
  • aluminum is an extremely light, ductile and malleable material and is, therefore, easy to wind around the package P.
  • aluminum is a mechanically resistant material and makes it possible to give a high degree of strength to the loop closed around the package P.
  • aluminum is an easily recyclable material and can be recovered easily and at a low cost.
  • the closure of the extremal portions 15,16 is, therefore, carried out by bending them, so as to ensure good seal of the closed loop.
  • the strapping head 3 comprises coupling means 21 of the extremal portions 15,16.
  • the extremal portions 15,16 Prior to closure, in fact, the extremal portions 15,16 must be suitably positioned and arranged in contact with each other.
  • the coupling means 21 are adapted to bring the relevant first surfaces 17 of the extremal portions 15,16 in contact with each other.
  • the extremal portions 15,16 comprise an outer extremal portion 15 and an inner extremal portion 16.
  • the coupling phase is carried out so that the outer extremal portion 15 has a protruding stretch 22 with respect to the inner extremal portion 16.
  • the outer extremal portion 15 comprises the first end 5 and the inner extremal portion 16 comprises the second end 13.
  • the first bending means 19 comprise, e.g., a plurality of rollers and/or punches arranged between them in succession so as to define a passage gap of the strap 4 between them. More particularly, the rollers/punches are mutually movable to bend the protruding stretch 22. It cannot, however, be ruled out that the first bending means 19 are of a different type.
  • the first surface 17 of the protruding stretch 22 is placed facing the second surface 18 of the inner stretch 23.
  • the closing means 14 also comprise second bending means 20 adapted to bend the first binding 24 on a further stretch 26 of the inner extremal portion 16 to define a final binding 27.
  • the second bending means 20 are adapted to carry out a second bending below the end 5 of the protruding stretch 22.
  • first bending and the second bending are carried out in the same direction of bending V.
  • the final binding 27 is provided with high resistance to mechanical pulls.
  • the operation of the strapping machine 1 in carrying out the process according to the invention is as follows.
  • the process comprises, first of all, a supply of a strap 4 having at least a first free end 5.
  • the process comprises a phase of winding the strap 4 around a package P.
  • the winding phase is carried out so as to encircle the package P with the strap 4.
  • the winding phase is carried out by the winding means 10.
  • winding is carried out along a direction of winding A.
  • Figure 3 In the particular embodiment shown in the figures, winding is carried out with the aid of the dragging means along the guiding arch 29.
  • the process Prior to tensioning, the process comprises a phase of retaining the strap 4 through the first end 5.
  • the tensioning phase is carried out by means of the tensioning means 11.
  • the cutting phase is carried out by means of the cutting means 12.
  • the closing phase comprises at least one phase of bending the extremal portions 15,16 of the strap 4 one on top of the other comprising the free ends 5,13.
  • the process comprises a phase of coupling the extremal portions 15,16.
  • the coupling phase is carried out by superimposing the extremal portions 15,16 so as to bring the relevant first surfaces 17 into contact with each other.
  • phase of coupling is carried out so that the outer extremal portion 15 has a protruding stretch 22 with respect to the inner extremal portion 16.
  • the present process and the relevant strapping machine allow for the use of easily recyclable and low-cost materials, such as aluminum.
  • the process and the strapping machine according to the invention allow strengthening the packages and giving them high resistance to breakage events. This is achieved by bending the extremal portions to obtain a remarkably firm and strong final binding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (5)

  1. - Procédé de cerclage de colis, comprenant les phases consistant à :
    - fournir un feuillard (4) ayant au moins une première extrémité libre (5) ;
    - enrouler ledit feuillard (4) autour d'un colis (P) ;
    - tendre ledit feuillard (4) autour dudit colis (P) ;
    - couper ledit feuillard (4) pour obtenir une seconde extrémité libre (13) ;
    - fermer ledit feuillard (4) pour former une boucle fermée ;
    dans lequel ledit feuillard (4) est fait d'un matériau métallique, et dans lequel ladite fermeture comprend au moins une phase de pliage des parties extrêmes (15, 15) dudit feuillard (4) l'une sur l'autre comprenant lesdites extrémités libres (5, 13),
    caractérisé par le fait que ledit feuillard (4) comprend une première surface (17) destinée à être tournée vers ledit colis (P) et une seconde surface (18), opposée à ladite première surface (17) et destinée à être tournée vers l'extérieur, ladite phase de couplage étant réalisée par superposition desdites parties extrêmes (15, 16) de manière à mettre en contact les premières surfaces concernées (17),
    par le fait que
    lesdites parties extrêmes (15,16) comprennent une partie extrême externe (15) et une partie extrême interne (16), ladite phase de couplage étant réalisée de telle sorte que ladite partie extrême externe (15) présente un tronçon en saillie (22) par rapport à ladite partie extrême interne (16), ladite fermeture comprenant au moins une première phase de pliage dans laquelle ledit tronçon en saillie (22) est plié sur ladite partie extrême interne (16) pour définir une première liaison (24),
    que ladite première liaison (24) comprend deux tronçons consécutifs (22,25) de la partie extrême externe (15) pliés l'un sur l'autre, dont un premier tronçon correspondant audit tronçon en saillie (22) et un deuxième tronçon (25), et un tronçon interne (23) de ladite partie extrême interne (16) positionné entre lesdits tronçons consécutifs (22,25), la première surface (17) dudit tronçon en saillie (22) étant disposée en regard de la seconde surface (18) dudit tronçon interne (23),
    où ladite fermeture comprend au moins une seconde phase de pliage dans laquelle ladite première liaison (24) est pliée sur un autre tronçon (26) de ladite partie extrême interne (16) pour définir une liaison finale (27),
    et caractérisé par le fait que ladite liaison finale (27) comprend un troisième tronçon (28) de ladite partie extrême externe (15) consécutif audit deuxième tronçon (25), ledit deuxième tronçon (25) et le troisième tronçon (28) étant tournés vers l'extérieur, et entre lesquels sont positionnés, dans l'ordre, à partir dudit deuxième tronçon (25), ledit tronçon interne (23), ledit tronçon en saillie (22) et ledit autre tronçon (26).
  2. - Procédé selon la revendication 1, caractérisé par le fait que ledit second pliage est effectué de telle sorte que la seconde surface (18) dudit tronçon en saillie (22) soit en face de la seconde surface (18) dudit autre tronçon (26).
  3. - Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé par le fait que ledit second pliage est réalisé au-dessous de l'extrémité (5,13) dudit tronçon en saillie (22).
  4. - Procédé selon l'une ou plusieurs des revendications précédentes, caractérisé par le fait que ledit premier pliage et ledit second pliage sont réalisés dans le même sens de pliage (V).
  5. - Machine à cercler (1) pour le cerclage de colis, comprenant :
    - au moins un cadre de base (2) positionnable sur une ligne de déplacement vers l'avant (L) d'au moins un colis (P) ;
    - au moins une tête de cerclage (3) associée audit cadre de base (2) et apte à enrouler et tendre un feuillard (4), ayant une première extrémité libre (5), autour dudit colis (P), ladite tête de cerclage comprenant :
    - des moyens d'enroulement (10) dudit feuillard (4) autour dudit colis (P) ;
    - des moyens de tension (11) dudit feuillard (4) autour dudit colis (P) ;
    - des moyens de coupe (12) dudit feuillard (4) pour obtenir une seconde extrémité libre (13) ; et
    - des moyens de fermeture (14) dudit feuillard (4) pour former une boucle fermée ;
    - des moyens d'alimentation (6) aptes à adresser ledit feuillard (4) à ladite tête de cerclage (3) ;
    dans laquelle ledit feuillard (4) est fait d'un matériau métallique et dans laquelle lesdits moyens de fermeture (14) comprennent des moyens de pliage (19, 20) des parties extrêmes (15, 16) dudit feuillard (4) comprenant lesdites extrémités libres (5, 13), l'une sur l'autre et
    dans laquelle la tête de cerclage (3) comprend des moyens de couplage (21) desdites parties extrêmes (15, 16),
    caractérisée par le fait que ledit feuillard (4) comprend une première surface (17) destinée à être tournée vers ledit colis (P) et une seconde surface (18), opposée à ladite première surface (17) et destinée à être tournée vers l'extérieur, lesdits moyens de couplage (21) étant aptes à mettre en contact l'une avec l'autre les premières surfaces concernées (17) desdites parties extrêmes (15, 16),
    par le fait que lesdites parties extrêmes (15, 16) comprennent une partie extrême externe (15) et une partie extrême interne (16), ladite partie extrême externe (15) ayant un tronçon en saillie (22) par rapport à ladite partie extrême interne (16), lesdits moyens de fermeture (14) comprenant des premiers moyens de pliage (19) aptes à plier ledit tronçon en saillie (22) sur ladite partie extrême interne (16) afin de définir une première liaison (24),
    ladite première liaison (24) comprenant deux tronçons consécutifs (22,25) de la partie extrême externe (15) pliés l'un sur l'autre, dont un premier tronçon correspondant audit tronçon en saillie (22) et un deuxième tronçon (25), et un tronçon interne (23) de ladite partie extrême interne (16) positionné entre lesdits tronçons consécutifs (22,25), la première surface (17) dudit tronçon en saillie (22) étant disposée en regard de la seconde surface (18) dudit tronçon interne (23),
    par le fait que lesdits moyens de fermeture (14) comprennent des seconds moyens de pliage (20) aptes à plier ladite première liaison (24) pour définir une liaison finale (27),
    où ladite liaison finale (27) comprend un troisième tronçon (28) de ladite partie extrême externe (15) consécutive audit deuxième tronçon (25), ledit deuxième tronçon (25) et ledit troisième tronçon (28) étant tournés vers l'extérieur, et entre lesquels sont positionnés, dans l'ordre, à partir dudit deuxième tronçon (25), ledit tronçon interne (23), ledit tronçon en saillie (22) et ledit autre tronçon (26),
    et par le fait qu'il comprend au moins une arche de guidage (29) associée audit cadre de base (2) et le long de laquelle est positionnée ladite tête de cerclage (3), lesdits moyens d'enroulement (10) étant aptes à traîner ladite première extrémité (5) le long de ladite arche de guidage (29), où ladite arche de guidage (29) est agencée pour entourer ladite ligne de déplacement vers l'avant (L) qui est interrompue à l'arche de guidage elle-même pour permettre le passage dudit feuillard (4) sous le colis (P).
EP21211720.4A 2020-12-01 2021-12-01 Procédé de cerclage de colis et machine de cerclage associée Active EP4008639B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000029252A IT202000029252A1 (it) 2020-12-01 2020-12-01 Procedimento per la reggiatura di imballaggi e relativa macchina reggiatrice

Publications (2)

Publication Number Publication Date
EP4008639A1 EP4008639A1 (fr) 2022-06-08
EP4008639B1 true EP4008639B1 (fr) 2025-08-13

Family

ID=74592606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21211720.4A Active EP4008639B1 (fr) 2020-12-01 2021-12-01 Procédé de cerclage de colis et machine de cerclage associée

Country Status (2)

Country Link
EP (1) EP4008639B1 (fr)
IT (1) IT202000029252A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025131396A1 (fr) * 2023-12-22 2025-06-26 Bobst Mex Sa Module de transfert pour une machine de conversion
CN119389522B (zh) * 2025-01-03 2025-03-28 常州美杰医疗用品有限公司 一种水胶体敷料生产设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4154158A (en) * 1977-09-22 1979-05-15 Signode Corporation Method and apparatus for binding an article with a loop of tensioned strap
JPH08337211A (ja) * 1995-06-07 1996-12-24 Yamamoto Seiki:Kk 圧縮型の荷造装置

Also Published As

Publication number Publication date
IT202000029252A1 (it) 2022-06-01
EP4008639A1 (fr) 2022-06-08

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