EP3498616A1 - Unité de formage d'emballages pour former des emballages scellés - Google Patents

Unité de formage d'emballages pour former des emballages scellés Download PDF

Info

Publication number
EP3498616A1
EP3498616A1 EP18210494.3A EP18210494A EP3498616A1 EP 3498616 A1 EP3498616 A1 EP 3498616A1 EP 18210494 A EP18210494 A EP 18210494A EP 3498616 A1 EP3498616 A1 EP 3498616A1
Authority
EP
European Patent Office
Prior art keywords
tube
interaction
tabs
pair
jaw
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.)
Withdrawn
Application number
EP18210494.3A
Other languages
German (de)
English (en)
Inventor
Franco Santi
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.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
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 Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP3498616A1 publication Critical patent/EP3498616A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/306—Counter-rotating devices
    • 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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/027—Packaging in aseptic chambers
    • 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
    • B65B9/20—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 webs being formed into tubes in situ around the filling nozzles
    • B65B9/207—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 webs being formed into tubes in situ around the filling nozzles the web advancing continuously

Definitions

  • the present invention relates to a package forming unit for forming sealed packages, in particular for forming sealed packages from a tube of a web of packaging material, even more particular for forming substantially parallelepiped sealed aseptic packages.
  • the present invention relates for the particular advantage to a package forming unit for forming sealed packages for packaging a pourable product, in particular a pourable food product.
  • liquid or pourable food products such as fruit juice, UHT (ultra-high-temperature treated) milk, wine, tomato sauce, etc.
  • UHT ultra-high-temperature treated milk
  • wine tomato sauce
  • etc. are sold in packages made of sterilized packaging material.
  • a typical example is the parallelepiped-shaped package for liquid or pourable food products known as Tetra Brik Aseptic (registered trademark), which is made by sealing and folding a web of packaging material.
  • the web of packaging material has a multilayer structure comprising a base layer, e.g. of paper, covered on both sides with layers of heat-seal plastic material, e.g. polyethylene.
  • the web of packaging material also comprises a layer of oxygen-barrier material, e.g. an aluminum foil, which is superimposed on a layer of heat-seal plastic material, and is in turn covered with another layer of heat-seal plastic material forming the inner face of the package eventually contacting the food product.
  • the web of packaging material comprises a repeated pattern, in particular a plurality of equally spaced images or decorations on the face of the base layer facing the outside of the packages.
  • Packages of the sort mentioned above are normally produced on fully automatic packaging apparatuses.
  • a typical packaging apparatus comprises a conveying device for advancing a web of packaging material along an advancement path, a sterilizing unit for sterilizing the web of packaging material, a tube forming device arranged within an aseptic chamber and being adapted to form a tube from the advancing web of packaging material, a sealing device for longitudinally sealing the tube along a seam portion of the tube, a filling device for continuously filling the tube with a pourable product and a package forming unit adapted to produce single packages from the tube of packaging material.
  • WO-A-2005012102 discloses such a package forming unit for producing single packages from the continuously filled tube.
  • the package forming unit comprises:
  • Each jaw assembly of the package forming unit further comprises a pair of interaction tabs adapted to interact, in use, with the tube from opposite sides thereof for selectively exerting a pulling force on the advancing tube and for promoting the folding of the tube and being moveable between a first limit configuration and a second limit configuration.
  • each pair of interaction tabs is configured to at least partially control advancement of the tube of packaging material such that the tube of packaging material is in "register", meaning that the repeated pattern present on the web of packaging material and, accordingly, on the tube of packaging material is formed, sealed and cut so as to ensure that each repeated pattern corresponds to one respective package.
  • the position of each printed decoration with respect to the position of the jaw assemblies may vary, in use, due to the varying deformations of the packaging material by the mechanical pressures exerted on it by the jaw assemblies, and due to the pulsating pressure of the pourable food product inside the tube of packaging material.
  • each pair of interaction tabs needs to be controlled such to exert the needed pulling force onto the tube of packaging material for guaranteeing the tube of packaging material being in "register”.
  • each pair of interaction tabs is controlled such that each repeated pattern is correctly aligned with the respective jaw and counter-jaw. In this way, the tube of packaging material is sealed so that each package has the respective repeated pattern.
  • the package forming unit comprises a cam arrangement having a moveable portion and being adapted to interact with a cam follower coupled to the pair of interaction tabs of the jaw assembly so as to control the pair of interaction tabs between the first limit configuration and the second limit configuration.
  • Number 1 indicates as a whole a packaging apparatus for producing sealed packages 2 of a pourable food product, such as fruit juice, pasteurized milk, wine, tomato sauce, etc., from a tube 3 of a web 4 of packaging material.
  • a package 2 comprises a pair of transversal sealing bands 5 and a longitudinal seal 6.
  • Web 4 of packaging material has a multilayer structure (not shown), and comprises a layer of fibrous material, normally paper, covered on both sides with respective layers of heat-seal plastic material, e.g. polyethylene.
  • web 4 also comprises a layer of gas- and light-barrier material, e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film, and at least a first and a second layer of heat-seal plastic material.
  • gas- and light-barrier material e.g. aluminum foil or ethylene vinyl alcohol (EVOH) film
  • EVOH ethylene vinyl alcohol
  • the layer of gas- and light-barrier material is superimposed on the first layer of heat-seal plastic material, and is in turn covered with the second layer of heat-seal plastic material.
  • the second layer of heat-seal plastic material forms the inner face of package 2 eventually contacting the food product.
  • web 4 also comprises a repeated pattern, in particular a plurality of equally spaced images or decorations on the face of the layer of fibrous material facing the outside of the packages.
  • packaging apparatus 1 comprises:
  • packaging apparatus 1 also comprises a sterilizing unit adapted to sterilize the, in use, advancing web 4 at a sterilization station, in particular the sterilization station being arranged upstream of tube forming station 9 along path P.
  • a sterilizing unit adapted to sterilize the, in use, advancing web 4 at a sterilization station, in particular the sterilization station being arranged upstream of tube forming station 9 along path P.
  • conveying means 5 are also adapted to advance tube 3 formed by tube forming device 14 along its longitudinal axis along a respective tube advancement path Q, in particular from tube forming device 14 to package forming unit 17.
  • conveying means 5 are also adapted to at least partially advance tube 3 and any intermediate of tube 3 along path Q.
  • any configuration of web 4 is meant prior to obtaining the tube structure and after folding web 4 by tube forming device 14 has started.
  • the intermediates of tube 3 are a result of the gradual folding of web 4 so as to obtain tube 3.
  • package forming unit 17 is arranged downstream of isolation chamber 10 and of tube forming device 14 along path Q. Even more preferably, package forming unit 17 is arranged below isolation chamber 10 and tube forming device 14.
  • package forming unit 17 comprises:
  • first endless path R and second endless path S comprise respectively an operative portion R1 and an operative portion S1 at which respectively jaws 19 and counter-jaws 20 advance, in use, parallel and adjacent to and in the same direction of tube 3 and interact with, in particular contact, in use, tube 3.
  • jaws 19 advancing along operative portion R1 cooperate with the respective counter-jaws 20 advancing along operative portion S1 for forming the respective packages 2.
  • each jaw 19 and the respective counter-jaw 20 are configured to contact, in use, tube 3, in particular when advancing along respectively operative portion R1 and operative portion S1, from opposite sides thereof.
  • first endless path R and second endless path S also have respectively a return portion R2 and a return portion S2 at which respectively jaws 19 and counter-jaws 20 are distanced from tube 3 advancing along path Q.
  • each jaw 19 advancing along return portion R2 and the respective counter-jaw 20 advancing along return portion S2 are taken back to respectively operative portion R1 and operative portion S1, in particular so as to form, in use, a new package 2.
  • chain conveyor 21 and chain conveyor 22 are arranged parallel to and spaced apart from one another, in particular leaving a gap 26 through which, in use, tube 3 advances.
  • chain conveyor 21 and chain conveyor 22 each comprises a respective operative branch 27 (only partially shown) for defining respectively operative portion R1 and operative portion S1.
  • operative branches 27 face one another.
  • chain conveyor 21 and chain conveyor 22 each comprises a respective return branch 28 for defining respectively return portion R2 and return portion S2.
  • return branches 28 (only partially shown) face away from one another.
  • chain conveyor 21 comprises a plurality of elongated main bodies 29 (only one shown in Figure 2 ) each one carrying one respective jaw 19, in particular each main body 29 extends along an axis A transversal to first endless path R.
  • main bodies 29 are coupled to (connected to) one another so as to define an endless chain, in particular main bodies 29 define mutually articulated links of the above-mentioned endless chain.
  • chain conveyor 21 also comprises at least a pair of endless tracks 30 (only one shown in Figure 2 ) having a substantially vertical orientation and being arranged parallel to and spaced apart from one another and being configured to guide main bodies 29 (i.e. main bodies 29 move, in use, along endless tracks 30).
  • each endless track 30 carries a portion of the respective operative branch 27 and the respective return branch 28.
  • each main body 29 comprises a first end portion 31 and a second end portion 32 opposite to first end portion 31.
  • Each first end portion 31 is coupled to one endless track 30 and the respective second end portion 32 is coupled to the other endless track 30.
  • each main body 29 comprises a plurality of roller elements 33, arranged in the proximity of the respective first end portion 31 and the respective second end portion 32 and engaging with one respective endless track 30 of the pair of endless tracks, in particular being configured to run on (being guided by) the respective endless track 30 in a manner known as such.
  • chain conveyor 22 is similar to chain conveyor 21, we will only describe the differences between chain conveyor 21 and chain conveyor 22.
  • chain conveyor 22 differs from chain conveyor 21 in that the respective main bodies of chain conveyor 22 carry the respective counter-jaws 20. Additionally, the respective axes A are transversal to second endless path S.
  • each jaw 19 comprises a respective half-shell 34 being adapted to contact, in use, tube 3, in particular from a first side thereof
  • the respective counter-jaw 20 comprises a respective counter-half-shell 35, in particular being complementary to the respective half-shell 34, and being adapted to contact, in use, tube 3, in particular from a second side thereof opposite to the first side.
  • each half-shell 34 and the respective counter-half-shell 35 are adapted to form and shape in cooperation the respective package 2.
  • each half-shell 34 and each counter-half-shell 35 is adapted to be controlled between a respective working position in which the respective half-shell 34 and the respective counter-half-shell 35 contact, in use, tube 3 and a respective rest position in which the respective half-shell 34 and the respective counter-half-shell 35 are detached from tube 3 (they do not contact tube 3).
  • each half-shell 34 and each counter-half-shell 35 is adapted to be controlled into the working position with respectively the respective jaw 19 and the respective counter-jaw 20 advancing, in use, along respectively operative portion R1 and operative portion S1.
  • each half-shell 34 and each counter-half-shell 35 is pivotably mounted to the respective main body 29, in particular in the area of a central portion 36, in particular interposed between the respective first end portion 31 and the respective second end portion 32, of the respective main body 29.
  • each jaw 19 and each counter-jaw 20 comprises a respective cam follower element 37 coupled to the respective half-shell 34 or the respective counter-half-shell 35 and being adapted to interact with a cam body 38 (known as such and not further described) of package forming unit 17 (only partially shown in Figures 3 and 5 to the extend necessary for the comprehension of the invention) so as to control the respective half-shell 34 or the respective counter-half-shell 35 between the respective working position and the respective rest position.
  • a cam follower element 37 coupled to the respective half-shell 34 or the respective counter-half-shell 35 and being adapted to interact with a cam body 38 (known as such and not further described) of package forming unit 17 (only partially shown in Figures 3 and 5 to the extend necessary for the comprehension of the invention) so as to control the respective half-shell 34 or the respective counter-half-shell 35 between the respective working position and the respective rest position.
  • each jaw 19 also comprises one of a sealing element or a counter-sealing element (in the example shown a counter-sealing element 43 and the respective counter-jaw 20 comprises the other one of a sealing element or a counter-sealing element (in the example shown a sealing element 44).
  • each sealing element 44 and the respective counter-sealing element 43 are adapted to transversally seal tube 3 in a known manner, in use, between adjacent packages 2, in particular so as to form a common sealing band 45 between two adjacent packages 2 (see Figure 1 ).
  • each sealing element 44 and each counter-sealing element 43 is mounted to the respective main body 29, in particular in the area of the respective central portion 36.
  • each sealing element 44 and each counter-sealing element 43 is arranged downstream of respectively counter-half-shell 35 and half-shell 34 along respectively first endless path S and second endless path R.
  • each jaw 19 and the respective counter-jaw 20 also comprises one of a cutting element (not shown and known as such) or a counter-cutting element (not shown and known as such) for transversally cutting tube 3 between adjacent packages 2, in particular along the respective common sealing band 45 so as to separate adjacent packages 2 from one another and to obtain the respective sealing bands 5 of the two adjacent respective packages 2.
  • each jaw assembly 18 further comprises a pair 46 of interaction tabs 47 being adapted to interact, in use, with advancing tube 3 from opposite sides thereof, in particular for exerting a pulling force on, in use, advancing tube 3, even more particular for at least partially controlling advancement of tube 3, and being controllable (moveable) between a first limit configuration and a second limit configuration.
  • each pair 46 of interaction tabs 47 is configured to control advancement of tube 3 such that the tube of packaging material is in "register”, meaning that tube 3 is formed and sealed, and in particular cut, at the intended region of the repeated pattern (in other words, tube 3 is advanced in such a manner that the package 2 obtained after sealing and, in particular after cutting, has the respective repeated pattern).
  • each pair 46 of interaction tabs 47 is adapted to exert a controlled pulling force on tube 3 so as to "pull" tube 3 in a downstream direction along path Q.
  • interaction tabs 47 are also configured to fold tube 3 by varying amounts towards common sealing band 45.
  • the controlled pulling force is dependent on how each pair 46 of interaction tabs 47 is controlled between the respective first limit configuration and the respective second limit configuration, i.e. the position of the interaction tabs 47 between the first limit configuration and the second limit configuration.
  • the respective interaction tabs 47 are, in use, detached (distanced) from tube 3 advancing along path Q, i.e. the respective interaction tabs 47 are not in contact with tube 3 and, thus, do not exert any pulling force on tube 3.
  • the respective interaction tabs 47 are positioned such that they do not interact with tube 3 advancing along path P.
  • the respective interaction tabs 47 are, in use, in contact with tube 3 advancing along path Q, in particular when being controlled into the second limit configuration the respective interaction tabs 47 exert a maximum pulling force on tube 3.
  • each pair 46 of interaction tabs 47 is configured such to be controllable between the first limit configuration and the second limit configuration so as to control the pulling force exerted by the respective interaction tabs 47 onto tube 3.
  • each jaw assembly 18 also comprises an actuation device 48 having a respective cam follower 49 adapted to interact with a cam arrangement 50 (only partially shown to the extent necessary for the comprehension of the invention) of package forming unit 17 and being coupled to the respective pair 46 of interaction tabs 47 for controlling, in particular continuously controlling, the respective pair 46 of interaction tabs 47 between the respective first limit configuration and the respective second limit configuration.
  • actuation device 48 having a respective cam follower 49 adapted to interact with a cam arrangement 50 (only partially shown to the extent necessary for the comprehension of the invention) of package forming unit 17 and being coupled to the respective pair 46 of interaction tabs 47 for controlling, in particular continuously controlling, the respective pair 46 of interaction tabs 47 between the respective first limit configuration and the respective second limit configuration.
  • each cam follower 49 is controllable between a first limit position and a second limit position in which the respective pair 46 of interaction tabs 47 is respectively in its respective first limit configuration and its respective second limit configuration.
  • each actuation device 48 also comprises a transmission assembly 51, in particular having an articulated inverted parallelogram configuration, coupled to the respective cam follower 49 and the respective pair 46 of interaction tabs 47 and configured to simultaneously transfer movement of the respective cam follower 49 induced by the interaction with cam arrangement 50 to the respective pair 46 of interaction tabs 47.
  • a transmission assembly 51 in particular having an articulated inverted parallelogram configuration
  • each pair 46 of interaction tabs 47 and the respective actuation device 48 are associated to, in particular are part of, one of the respective jaw 19 and counter-jaw 20 (in the specific case shown of the respective jaw 19). Accordingly, each pair 46 of interaction tabs 47 and the respective actuation device 48 are configured to advance along first endless path R or second endless path S, in the specific example shown along first endless path R. In particular, each pair 46 of interaction tabs 47 is configured to interact, in use, with tube 3, when advancing along the respective operative portion R1 or the respective operative portion S1.
  • each actuation device 48 also comprises a biasing assembly configured to bias the respective pair 46 of interaction tabs 47 into the respective first limit configuration, i.e. cam arrangement 50 is configured such to control the respective pair 46 of interaction tabs 47 against the action of the respective biasing assembly between the respective first limit configuration and the second limit configuration.
  • each pair 46 of interaction tabs 47 is mounted to one respective main body 29, in particular to a front side of main body 29, which, in particular, in use, faces advancing tube 3 when, in use, the respective pair 46 of interaction tabs 47 interacts with tube 3.
  • each respective interaction tab 47 of each pair 46 is pivotally mounted to the respective main body 29.
  • each interaction tab 47 is adapted to angularly move around a respective rotation axis, in particular being normal to the respective axis A, between a respective outer limit position in which the respective interaction tab 47 is, in use, distanced from (not in contact with) tube 3 and a respective inner limit position in which the respective interaction tab 47 is, in use, in contact with tube 3.
  • each pair 46 of interaction tabs 47 is defined by the respective interaction tabs 47 being respectively in the outer limit position and the inner limit position.
  • the pulling force exerted, in use, by each pair 46 of interaction tabs 47 interacting with tube 3 is dependent on the angular position of the respective interaction tabs 47.
  • the pulling force is maximum with the respective interaction tabs 47 being angularly positioned in their respective inner limit position.
  • each pair 46 are arranged adjacent to and at opposite lateral sides of the respective half-shell 34 or the counter-half-shell 35.
  • the respective interaction tabs 47 are arranged symmetrically with respect to the respective half-shell 34 or the respective counter-half-shell 35.
  • each pair 46 are arranged along a zone interposed between the respective counter-sealing element 43 or the respective sealing element 44 (in the specific case shown, the counter-sealing element 43) and the respective half-shell 34 or the respective counter-half-shell 35 (in the specific case shown the half-shell 34).
  • each interaction tab 47 comprises a respective engagement surface 56 adapted to engage tube 3 at varying contact angles in dependence of the angular position of the respective interaction tab 47.
  • each actuation device 48 is connected to the respective main body 29, in particular at a respective back side opposite to the respective front side.
  • cam arrangement 50 comprises:
  • cam arrangement 50 is interposed between the respective endless tracks 30.
  • the main cam portion extends substantially parallel to path Q.
  • the main cam portion comprises an engagement surface along which cam followers 49 advance, in use, so as to control the pairs 46 of interaction tabs 47 between the respective first limit configurations and the second limit configurations, in particular when, in use, advancing along a downstream section of the respective operative portion R1 or the respective operative portion S1.
  • the main cam portion comprises at least one moveable section coupled to an actuation device (known as such and not further described) of cam arrangement 50 adapted to vary the position of the moveable section so as to control the angular positions of interaction tabs 47.
  • an actuation device known as such and not further described
  • cam arrangement 50 adapted to vary the position of the moveable section so as to control the angular positions of interaction tabs 47.
  • initial cam portion 57 is configured to interact with cam followers 49 such that interaction tabs 47 are arranged at a defined angular position in which interaction tabs 47 are detached from tube 3.
  • initial cam portion 57 is configured to position cam followers 49 in the respective first limit position.
  • initial cam portion 57 comprises:
  • delimiting surface 59 allows to limit movement of cam followers 49 so as to ensure that pairs 46 of interaction tabs 47 remain in the first limit configuration (and do not accidentally move towards the second limit configuration).
  • delimiting surface 59 allows to limit movement of cam followers 49 so as to ensure that interaction tabs 47 remain in an angular position in which interaction tabs 47 are distanced (detached / do not contact) tube 3, in particular when advancing along an upstream section of the respective operative portion R1 or the respective operative portion S1; the upstream section being arranged upstream of the respective downstream section along the respective first endless path R or the respective second endless path S.
  • delimiting surface 59 is configured to limit movement of cam follower 49 along direction D transversal to an advancement path along which cam followers 49 advance, in use (the advancement path being substantially first endless path R or second endless path S, i.e. the advancement path is determined by movement of the respective main body 29 and the interaction with cam arrangement 50).
  • guiding surface 58 is placed directly upstream of the engagement surface of the main cam portion along first endless path R or second endless path S.
  • cam followers 49 advance, in use, along their respective advancement path at first cam followers 49 engage with guiding surface 58 and then with the engagement surface of the main cam portion.
  • initial cam portion 57 comprises a first cam bar 60 carrying the guiding surface 58 and a second cam bar 61 spaced apart from and arranged substantially parallel to cam bar 60 and carrying the delimiting surface 59.
  • web 4 advances along path P through isolation chamber 10 and is formed into tube 3 advancing along path Q.
  • Tube 3 advances along path Q to and through package forming unit 17.
  • Package forming unit 17 forms packages 2 from advancing tube 3.
  • jaw assemblies 18 interact with tube 3 for forming packages 2.
  • each jaw 19 and the respective counter-jaw 20 advance along respectively first endless path R and second endless path S.
  • Each jaw 19 and the respective counter-jaw 20 interact with tube 3 while advancing respectively along operative portion R1 and operative portion S1.
  • each jaw 19 advances along operative portion R1 and while the respective counter-jaw 20 advances along operative portion S1, the respective half-shell 34 and the respective counter-half-shell 35 are controlled into the respective working position for forming in cooperation tube 3 for obtaining the respective package 2.
  • the respective sealing element 44 and the respective counter-sealing element 43 seal tube 3 so as to form the respective common sealing band 45.
  • the respective cutting element and the respective counter-cutting element cooperate so as to transversally cut tube 3 along the respective common sealing band 45 so as to separate the respective two adjacent packages 2.
  • each pair 46 of interaction tabs 47 interacts with tube 3, in particular for exerting the required pulling force for keeping the repeated patterns "in register”.
  • the respective pair 46 of interaction tabs 47 are controlled between the first limit configuration and the second limit configuration, in particular by controlling the respective cam follower 49 between the respective first limit position and the second limit position.
  • cam follower 49 interacts with cam arrangement 50 so as to control the respective pair 46 of interaction tabs 47.
  • the respective pair 46 of interaction tabs 47 Prior to interaction of the respective jaw 19 with tube 3, the respective pair 46 of interaction tabs 47 is controlled into the respective first limit configuration by the respective cam follower 49 being guided by guiding surface 58 delimiting surface 59.
  • guiding surface 58 guarantees that the respective cam follower 49 remains in the first limit position.
  • the respective cam follower 49 is guided, in particular in a controlled manner, by the engagement surface of the main cam portion so as to control the respective pair 46 of interaction tabs 47 between the respective first limit configuration and the respective second limit configuration in a manner known as such and not further described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP18210494.3A 2017-12-13 2018-12-05 Unité de formage d'emballages pour former des emballages scellés Withdrawn EP3498616A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17207015 2017-12-13

Publications (1)

Publication Number Publication Date
EP3498616A1 true EP3498616A1 (fr) 2019-06-19

Family

ID=60673368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18210494.3A Withdrawn EP3498616A1 (fr) 2017-12-13 2018-12-05 Unité de formage d'emballages pour former des emballages scellés

Country Status (3)

Country Link
EP (1) EP3498616A1 (fr)
CN (2) CN210162289U (fr)
WO (1) WO2019115315A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3943400A1 (fr) * 2020-07-23 2022-01-26 Tetra Laval Holdings & Finance S.A. Unité de formage d'emballages, appareil d'emballage doté d'une unité de formage d'emballages et procédé de formage d'emballages

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0887265A1 (fr) * 1997-06-27 1998-12-30 Tetra Laval Holdings & Finance SA Machine d'emballage pour produire en continu des emballages scellés contenant un produit alimentaire sous forme liquide, dans un matériau d'emballage tubulaire
WO2005012102A1 (fr) 2003-07-25 2005-02-10 Tetra Laval Holdings & Finance Sa Procede de formage et unite de production de paquets etanches
EP1832518A1 (fr) * 2006-03-07 2007-09-12 Tetra Laval Holdings & Finance S.A. Machine d'emballage pour former des emballages scellés contenant des produits alimentaires fluides
EP2311738A1 (fr) * 2009-10-15 2011-04-20 Tetra Laval Holdings & Finance SA Machine d' emballage pour fabriquer des emballages scellés de produits alimentaires versables

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0887265A1 (fr) * 1997-06-27 1998-12-30 Tetra Laval Holdings & Finance SA Machine d'emballage pour produire en continu des emballages scellés contenant un produit alimentaire sous forme liquide, dans un matériau d'emballage tubulaire
WO2005012102A1 (fr) 2003-07-25 2005-02-10 Tetra Laval Holdings & Finance Sa Procede de formage et unite de production de paquets etanches
EP1832518A1 (fr) * 2006-03-07 2007-09-12 Tetra Laval Holdings & Finance S.A. Machine d'emballage pour former des emballages scellés contenant des produits alimentaires fluides
EP2311738A1 (fr) * 2009-10-15 2011-04-20 Tetra Laval Holdings & Finance SA Machine d' emballage pour fabriquer des emballages scellés de produits alimentaires versables

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3943400A1 (fr) * 2020-07-23 2022-01-26 Tetra Laval Holdings & Finance S.A. Unité de formage d'emballages, appareil d'emballage doté d'une unité de formage d'emballages et procédé de formage d'emballages
WO2022017745A1 (fr) * 2020-07-23 2022-01-27 Tetra Laval Holdings & Finance S.A. Unité de mise en forme d'emballages, appareil d'emballage ayant une unité de mise en forme d'emballages, et procédé de mise en forme d'emballages

Also Published As

Publication number Publication date
CN210162289U (zh) 2020-03-20
CN109941477A (zh) 2019-06-28
WO2019115315A1 (fr) 2019-06-20

Similar Documents

Publication Publication Date Title
EP2586715B1 (fr) Unité d'alimentation de paquets scellés de produits alimentaires pouvant être versés et machine d'emballage comprenant une telle unité
US9637262B2 (en) Folding unit for pourable food product packaging machines
US10071534B2 (en) Folding unit and method for producing pourable food product packages
US9409368B2 (en) Folding unit for pourable food product packaging machines
EP2284084B1 (fr) Unité de conditionnement pour machines de conditionnement de produits alimentaires pouvant être versés
US10449728B2 (en) Forming assembly and method for forming a plurality of sealed packs for pourable food products starting from a tube of packaging material
US10195790B2 (en) Forming assembly and method for forming a plurality of sealed packs for pourable food products starting from a tube of packaging material
EP1509453B1 (fr) Machoire de formation pour la production d'une succession d'emballages scelles a partir d'un tube de materiau d'emballage en feuille
US20190160758A1 (en) A packaging apparatus for forming sealed packages from a tube of packaging material
EP3498616A1 (fr) Unité de formage d'emballages pour former des emballages scellés
EP1325868A1 (fr) Machine d'emballage pour produire en continu des emballages scellés contenant un produit alimentaire sous forme liquide, dans un matériau d'emballage tubulaire
EP3943400B1 (fr) Unité de formage d'emballages, appareil d'emballage doté d'une unité de formage d'emballages et procédé de formage d'emballages
EP3020642A1 (fr) Unité de pliage pour produire des emballages pliés à partir de paquets scellés
EP4265533A1 (fr) Convoyeur d'alimentation pour un appareil de pliage, appareil de pliage doté d'un convoyeur d'alimentation et machine d'emballage dotée d'un appareil de pliage
EP3351478A1 (fr) Élément de formage permettant de réguler le volume d'emballages de produits alimentaires pouvant être versés formés à partir d'un tube de matériau de conditionnement

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20191219

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20200424

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200905