EP2233399B1 - Horizontale Verpackungsmaschine mit einem Abwickler mit einer Spleißvorrichtung zum Tauschen der Rollen ohne ein Anhalten der Maschine sowie eine mit besagter Maschine verwendbare Bandzuführeinheit - Google Patents

Horizontale Verpackungsmaschine mit einem Abwickler mit einer Spleißvorrichtung zum Tauschen der Rollen ohne ein Anhalten der Maschine sowie eine mit besagter Maschine verwendbare Bandzuführeinheit Download PDF

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Publication number
EP2233399B1
EP2233399B1 EP10380030.6A EP10380030A EP2233399B1 EP 2233399 B1 EP2233399 B1 EP 2233399B1 EP 10380030 A EP10380030 A EP 10380030A EP 2233399 B1 EP2233399 B1 EP 2233399B1
Authority
EP
European Patent Office
Prior art keywords
sheet material
working
band
reel
replacement
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.)
Not-in-force
Application number
EP10380030.6A
Other languages
English (en)
French (fr)
Other versions
EP2233399A1 (de
Inventor
Enric Marti Roche
Menna Fite Sala
Francisco Mora Flores
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.)
Mespack SL
Original Assignee
Mespack SL
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 Mespack SL filed Critical Mespack SL
Publication of EP2233399A1 publication Critical patent/EP2233399A1/de
Application granted granted Critical
Publication of EP2233399B1 publication Critical patent/EP2233399B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02—Machines characterised by the incorporation of means for making the 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to a predetermined diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/415—Unwinding
    • B65H2301/4152—Finishing unwinding process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/4601—Splicing special splicing features or applications
    • B65H2301/46018—Splicing special splicing features or applications involving location or further processing of splice
    • B65H2301/460186—Splicing special splicing features or applications involving location or further processing of splice detect location of splice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • B65H2301/46176—Processing webs in splicing process after splicing cutting webs in splicing process cutting both spliced webs simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4631—Adhesive tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
    • B65H2403/725—Brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/217—Accumulators of rollers type, e.g. with at least one fixed and one movable roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2551/00—Means for control to be used by operator; User interfaces
    • B65H2551/20—Display means; Information output means
    • B65H2551/21—Monitors; Displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2551/00—Means for control to be used by operator; User interfaces
    • B65H2551/20—Display means; Information output means
    • B65H2551/24—Sound or voice generating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/81—Packaging machines

Definitions

  • the present invention relates to a horizontal packaging machine of the type comprising a band supply unit, a container forming unit, and a filling unit, in which the mentioned band supply unit includes an unwinder with two reels and a splicing device which allow changing reels without needing to stop the machine.
  • Horizontal packaging machines are known, which machines comprise a line for filling and closing pouch-type containers, also known in the art as pouches.
  • the mentioned containers are generally made from a band of sheet material that is folded, heat-welded and cut, and some of the horizontal packaging machines incorporate, as an integral part thereof, a band supply unit for supplying said band of sheet material from a reel, a container forming unit, to form the containers from said band of sheet material, and a filling unit to fill the containers coming from said container forming unit.
  • the band supply unit is configured to house a single reel, in which case, when the reel is used up it is necessary to stop the machine long enough to allow replacing the reel and splicing an initial portion of the sheet material of the replacement reel with an end portion of the sheet material of the used up reel. These operations can last about ten minutes.
  • the band supply unit is configured to house two reels, one acting as a working reel from which the band of sheet material which is fed into the container forming unit is extracted and the other one acting as a replacement reel. If the unit does not include a splicing device, the time necessary for changing reels and splicing can be about 5 minutes, during which time the machine will be stopped.
  • Patent ES-A-2 275 381 discloses a device for splicing the end portions of the bands of sheet material during a change of reels applicable to a horizontal packaging machine provided with a band supply unit configured to house two reels without needing to stop the machine.
  • the splicing device comprises a clamp formed by two planar jaws covering the entire width of the bands of sheet material. During normal operation of the machine, the clamp is open and the working band of sheet material passes between both jaws whereas an initial portion of the replacement band of sheet material is folded over one of the jaws, fixed thereto by means of clips and prepared with an adhesive material, such as two-sided adhesive tape, or flexible silicone.
  • a traction device located between the splicing device and an accumulator device, stops and the clamp closes, adhering the initial portion of the replacement band of sheet material on the end portion of the working band of sheet material.
  • a drawback of this type of splicing is that it leaves non-adhered excess initial and end portions adjacent to an overlapping and adhered region of the two bands of sheet material, which can cause catching and misalignments in the successive units of the machine which make it necessary to stop the machine in order to perform the corresponding arrangements and adjustments.
  • Dual-reel unwinders with an automatic splicing device are known on the market, and they can be coupled to any of the previously described horizontal machines.
  • end and initial ends of the bands of sheet material are also spliced by means of overlapping, generating the problems described above.
  • being a unit that is independent from the machine they have the drawback that they take up more space than an unwinder built into the machine itself.
  • Document EP 1002727 A2 discloses a A continuous bag forming and filling machine wherein bags are continuously formed from a continuous web of bag material, cut, filled with a product, folded and then sealed.
  • the machine includes a web supply unit provided with a dual-reel support unwinder, an accumulator device, and an automatic splicing device located between the unwinder and the accumulator device.
  • brake devices comprise generally a brake shoe that is thrust against a corresponding surface of the core of the reel by a thrusting device, such as, for example, a mechanical spring applied on a brake lever without any type of regulation, or a pneumatic cylinder with manual pressure regulation but without any type of proportional control that can be adapted to the operating conditions of the packaging machine.
  • a thrusting device formed by a pneumatic cylinder with proportional mechanical regulation is known, which device adapts to the tension of the band of sheet material, i.e., to the speed of the machine, but without any control over the inertia caused by the reel. In this case, given that the diameter of the reel decreases progressively as the band of sheet material is extracted therefrom, the inertia caused by the reel also decreases without this having any effect on the control of the braking force.
  • the present invention contributes to overcoming the aforementioned and other drawbacks by providing a horizontal packaging machine including an unwinder with a splicing device for changing reels without stopping the machine.
  • the machine of the present invention is of the type comprising a band supply unit for supplying a band of sheet material from a reel, a container forming unit for forming containers from said band of sheet material, and a filling unit for filling said containers coming from said container forming unit, closing them and delivering them to an outfeed conveyor, said units being arranged consecutively in the forward movement direction of the band of sheet material.
  • the mentioned band supply unit comprises supports for rotatably supporting two reels which act alternately as a working reel and a replacement reel, and a plurality of rollers for directing one of the two bands of sheet material, more specifically a working band of sheet material coming from said working reel, to said container forming unit through a known type of accumulator device. Downstream of said accumulator device there is arranged a traction device which pulls on said working band of sheet material for unwinding the working reel. Between the working reel and the accumulator device there is located a splicing device which serves for splicing an end portion of the working band of sheet material with an initial portion of a replacement band of sheet material coming from said replacement reel while the traction device extracts the working band of sheet material from the accumulator device.
  • the machine of the present invention is characterized in that said splicing device comprises a splicing table on which the working band of sheet material circulates, with at least one adhesive tape supply device adjacent to an edge of the working band of sheet material, a working band holding device for holding an end portion of the working band of sheet material on said splicing table, and a replacement band holding device for holding an initial portion of said replacement band of sheet material on the splicing table, both initial and end portions of the working and replacement bands of sheet material being mutually superimposed in the splicing table.
  • both working and replacement bands of sheet material are cut transversely at the same time by a cutting tool and, once excess cut portions are removed from both bands of sheet material, they are butt spliced by means of adhesive tape supplied from said adhesive tape supply device.
  • the splicing performed by means of the splicing device of the machine of the present invention is clean and strong and has no overlapping and non-adhered portions of sheet material that can cause catching and misalignments in successive members or units of the machine. Furthermore, it can be done in a short period of time during which the working band of sheet material is extracted from the accumulator device, and therefore without needing to stop the machine.
  • the mentioned working band holding device is operated by actuating means, and automatically activated in response to a signal generated by an end-of-reel detector arranged, for example, to detect the end of the reel, i.e., the absence of the working band of sheet material, whereas said replacement band holding device is operated manually and activated by an operator responsible for the splicing.
  • the splicing device furthermore comprises first and second auxiliary replacement band holding devices for alternately holding the initial portion of the band of sheet material coming from the one of the two reels acting as a replacement reel in a position prepared for splicing adjacent to the splicing table, such that the operator has fast and easy access to the initial portion of the replacement band of sheet material, which must be arranged on the splicing table and held against it by the replacement band holding device.
  • first and second auxiliary replacement band holding devices are operated by actuating means and activated in response to a control actuated by the operator.
  • the working band holding device and the first and second auxiliary replacement band holding devices can comprise known pneumatically operated inflatable holding membranes.
  • the splicing table preferably includes a cutting guide, for example in the form of a slit formed through the splicing table in a direction transverse to the forward movement direction of the working band of sheet material.
  • This slit has a width sized to receive a cutting blade of the mentioned cutting tool, and a length greater than the width of the band of sheet material, such that the slit projects from both side edges of the working and replacement bands of sheet material.
  • the cutting tool is a knife or the like handled manually by the operator responsible for splicing.
  • the machine preferably comprises a sound and/or light warning device which is activated in response to a signal generated by a diameter detector associated with the working reel and arranged to detect a diameter indicating that the end of the reel is approaching. The activation of said warning device indicates to the operator that he must be prepared to perform splicing.
  • the operator has enough time to manually perform splicing, which is proportional to the amount of band of sheet material accumulated in the accumulator device.
  • the operator manually releases the replacement band holding device and operates a push button which releases the working band holding device, such that the machine returns to normal operation extracting the working band of sheet material from the replacement reel, which now acts as the working reel.
  • the empty reel can be replaced and the initial portion of the replacement band of sheet material can be placed in said position prepared for splicing and held by the corresponding first or second auxiliary replacement band holding device.
  • a splice detector for example, in the form of an optical detector arranged to detect, for example, the adhesive tape forming the splice.
  • a splice detector for example, in the form of an optical detector arranged to detect, for example, the adhesive tape forming the splice.
  • the splicing table preferably has associated thereto a second cutting guide and a second adhesive tape supply device aligned with said second cutting guide, in which both first and second cutting guides are mutually parallel and are separated by a distance different from the separation between the sites where the band will be heat-welded and cut, i.e., different from the width of the containers to be made. Therefore, if one of the cutting guides coincides with one of the sites where the band will be heat-welded and cut, the operator will choose the other cutting guide.
  • the horizontal packaging machine of the present invention likewise comprises brake devices for applying a brake to the rotation of that reel acting as the working reel during normal machine operation.
  • Each of said brake devices comprises a brake shoe thrust against a corresponding surface of the core of the corresponding reel by a pneumatic actuator.
  • the thrust force of the mentioned pneumatic actuator is controlled by an electro-pneumatic proportional pressure regulator which acts at least in response to a signal representative of the tension of the working band of sheet material and to a signal representative of the diameter of the working reel.
  • the mentioned signal representative of the tension of the working band of sheet material is generated by a tension detector device arranged to detect the tension of the working band of sheet material downstream of the traction device.
  • this tension detector device comprises a pivoting arm supporting one or more of the mentioned rollers on which the working band of sheet material passes, adjacent to other fixed rollers on which the working band of sheet material also passes.
  • the pivoting arm is moved against the force of an elastic means due to the variations in the tension of the working band of sheet material, and the movements of the pivoting arm operate a positional detector, such as a potentiometer, arranged to generate said signal representative of the tension of the working band of sheet material.
  • the signal representative of the diameter of the working reel is generated by at least one diameter detector arranged adjacent to the working reel to detect when, upon unwinding, such reel reaches a predetermined diameter that is less than the diameter of the complete working reel.
  • the different diameters of the working reel correspond with different degrees of inertia thereof. Accordingly, the braking force is controlled depending on the tension of the working band of sheet material downstream of the traction device and on at least two degrees of inertia of the working reel. Obviously, by arranging a plurality of diameter detectors for detecting successive decreasing diameters of the working reel, the braking force could be controlled according to a plurality of degrees of inertia of the working reel.
  • the horizontal packaging machine of the present invention comprises, according to one embodiment, a band supply unit 100 for supplying a working band of sheet material 1 from a working reel 6, a container forming unit 200 for forming containers 3 from said working band of sheet material 1, and a filling unit 300 for filling said containers 3 coming from said container forming unit 200, closing them and delivering them to an outfeed conveyor 30.
  • the three units mentioned are arranged consecutively one after the other in a forward movement direction of the working band of sheet material 1 indicated by means of an arrow D.
  • the band supply unit 100 comprises an unwinder for a second reel 7, such that the two reels act alternately as a working reel 6 and a replacement reel 7, and includes a splicing device 50 which allows changing reels without stopping machine operation.
  • the band supply unit 100 will be described in detail below in relation to Figure 2 .
  • the container forming unit 200 comprises consecutively in the forward movement direction D, and as is known, a folding station 51 in which the working band of sheet material 1 is folded over itself in a V or W shape, a lower welding station 52 and a subsequent lower cooling station 53 in which a bottom for the containers is formed, a vertical welding station 54 and a subsequent ironing station 55 in which side edges for the containers are formed, an inspection station provided with at least one photocell 56, and finally a cutting station 58 in which the folded and heat-welded working band of sheet material 1 is cut for producing the individual containers 3, which are then delivered to the filling unit 300.
  • the cutting station 58 makes vertical cuts between two vertical adjacent welding lines, which form opposite vertical edges of two consecutive containers 3.
  • a traction device 57 is arranged immediately before the cutting station 58 for performing the forward movement of the working band of sheet material 1 along the container forming unit 200.
  • the containers 3 are gripped, conveyed and handled individually by a series of sets of vises (not shown).
  • the filling unit 300 comprises consecutively in the forward movement direction D, and as is also known, a pouch opening station 59 in which an upper opening of the containers 3 is opened by means of suction devices cooperating with the vises gripping the containers 3, first, second and third metering stations 60, 61, 62 in which the containers 3 are filled with up to three products that can be identical or different, a drawing station 63 in which the containers are drawn for closing the upper opening thereof, and finally an upper welding station 64 and subsequent upper cooling stations 65, 66 in which the upper opening of the containers 3 is sealed by welding.
  • the filled and sealed containers 3 are then delivered to an outfeed conveyor 30. Those defective containers 3 detected, for example, by the mentioned photocell 56 in the inspection station, or by other detection means, are rejected through a rejection ramp 67, such that they are not delivered to the outfeed conveyor 30.
  • the band supply unit 100 comprises a frame 31 in which supports 4, 5 are installed for rotatably supporting two identical reels 6, 7 of a band of sheet material, although from only one of them, which is the one acting as a working reel 6, the working band of sheet material 1 which will be supplied to the container forming unit 200 will be extracted, whereas the other reel acts as a replacement reel 7 providing a replacement band of sheet material 2.
  • the reel placed in the support 4 in the upper part of the drawing is the one acting as the working reel 6 and the reel placed in the support 5 in the lower part of the drawing is the one acting as the replacement reel 7, although when the working band of sheet material 1 coming from the working reel 6 in the upper support 4 is used up it will be replaced by the replacement band of sheet material 2 coming from the replacement reel 7 in the lower support 5, which will then act as the working reel 6, and the used up previous working reel 6 will be replaced by a new replacement reel 7 in the upper support 4, and so on and so forth, the two reels act alternately as a working reel 6 and a replacement reel 7.
  • working reel 6 shall refer to the reel supplying the working band of sheet material 1
  • replacement reel 7 shall refer to the reel carrying the replacement band of sheet material 2, regardless of if they are installed in the upper or lower support 4, 5 of the machine.
  • a traction device 8 is arranged for unwinding the working reel 6 by pulling on said working band of sheet material 1 in a forward movement direction indicated by means of an arrow D, and the working band of sheet material 1 is directed by means of a plurality of rollers 20 to the container forming unit 200 passing through an accumulator device 14 of a known type.
  • this accumulator device 14 comprises a plurality of stationary rollers 20a alternating with a plurality of mobile rollers 20b installed in a mobile support 32, and the working band of sheet material 1 is passed over said alternating stationary and mobile rollers 20a, 20b, such that when the mobile support 32 keeps the mobile rollers 20b away from the stationary rollers a large amount of the working band of sheet material 1 is located in the accumulator device 14.
  • the mentioned traction device 8 is arranged downstream of the accumulator device 14.
  • the splicing device 50 comprises, among other members which will be described below, a splicing table 9 and first and second auxiliary replacement band holding devices 16, 17 for holding the initial portion 2a of the replacement band of sheet material 2 in a position prepared for splicing, adjacent to said splicing table 9.
  • the reel installed in the lower support 5 acts as the replacement reel 7 and the initial portion 2a of the replacement band of sheet material 2 is held in the position prepared for splicing by the second auxiliary replacement band holding device 17.
  • the initial portion 2a of the replacement band of sheet material 2 would be held in the position prepared for splicing by the first auxiliary replacement band holding device 16.
  • the first and second auxiliary replacement band holding devices 16, 17 can include, for example, as is well known in the art, pneumatically inflatable holding membranes on one side of the band of sheet material and a fixed surface on the opposite side of the band of sheet material. When the membrane is deflated, the band of sheet material can pass freely between , the membrane and the fixed surface. When the membrane is inflated, the band of sheet material is held between the membrane and the corresponding fixed surface.
  • the activation and deactivation of the auxiliary replacement band holding devices 16, 17 is optionally done by an operator responsible for splicing by acting on corresponding controls, for example push buttons (not shown).
  • the operator has more than enough time to install the replacement reel 7 in the corresponding support 4, 5, in order to pass a portion of the replacement band of sheet material 2 through corresponding rollers 20 and hold the initial portion 2a of the replacement band of sheet material 2 in the position prepared for splicing by means of the corresponding auxiliary replacement band holding device 16, 17.
  • Each support 4, 5 has associated therewith a corresponding diameter detector 35, 36 arranged to detect a diameter indicating the proximity of the end of the reel for that reel acting as the working reel 6.
  • said diameter detector 35, 36 detects that the working reel 6 is close to being used up, it generates a signal from which a sound and/or light warning device (not shown) is activated, which indicates to an operator that he must be prepared to splice an end portion 1a of the working band of sheet material 1 with an initial portion 2a of the replacement band of sheet material 2 by means of the splicing device 50.
  • Each reel 6, 7 has associated therewith an end-of-reel detector 18, 19, for example in the form of a photocell installed on a pivoting arm and arranged to detect the end of the reel or absence of working band of sheet material 1 in that reel acting as the working reel 6.
  • said end-of-reel detector 18, 19 detects the end of the reel it generates a signal from which a working band holding device 12 is activated, said working band holding device 12 being arranged for holding the working band of sheet material 1 against said splicing table 9 such that said end portion 1a of the working band of sheet material 1 is arranged on the splicing table 9.
  • the traction device 8 without stopping, starts to extract the working band of sheet material 1 from the accumulator device 14 while the mobile support 32 gradually approximates the mobile rollers 20b to the stationary rollers 20a, providing the operator with the time necessary to perform splicing by means of the splicing device 50 without the machine being stopped.
  • the frame 31 of the band supply unit 100 has side windows (not shown) for providing comfortable access to the splicing device 50 for the operator responsible for splicing.
  • Figure 3 shows the mentioned splicing table 9, which has a surface 9a on which the working band of sheet material 1 circulates in the forward movement direction D during normal machine operation.
  • the mentioned working band holding device 12 which can be of the type provided with one or more pneumatically inflatable holding membranes, similar to that described above in relation to the first and second auxiliary replacement band holding devices 16, 17.
  • a replacement band holding device 13 which can be operated manually by the operator responsible for splicing for holding said initial portion 2a of the replacement band of sheet material 2 on the splicing table 9.
  • the working and replacement band holding devices 12, 13 are located such that both initial and end portions 1a, 2a of the working and replacement bands of sheet material 1, 2 are, once held, mutually superimposed on a portion of the surface 9a of the splicing table 9 between the working and replacement band holding devices 12, 13, in which there is preferably located a cutting guide 10.
  • the mentioned cutting guide 10 comprises a slit formed through the splicing table 9 in a direction transverse to the working band of sheet material 1. This slit has a width sized to receive a blade of a cutting tool 21 ( Figure 6 ) and a length greater than the width of the working and replacement bands of sheet material 1, 2.
  • an adhesive tape supply device 11 adjacent to an edge of the working band of sheet material 1 and aligned with the cutting guide 10.
  • the replacement band holding device 13 comprises, for example, a bar articulated at one end and connected at the opposite end to a cam mechanism that can be operated by a lever 13a. So, when the working band of sheet material 1 is held to the splicing table 9 by the working band holding device 12, the operator can deactivate the corresponding auxiliary replacement band holding device 16, 17, grip the initial portion 2a of the replacement band of sheet material 2 which is in the prepared position and pass it under the bar of the replacement band holding device 13 to place it in position on the splicing table, overlapping the end portion 1a of the working band of sheet material 1 previously held, and then operating the replacement band holding device 13 for holding the initial portion 2a of the replacement band of sheet material 2 to the splicing table 9.
  • Figure 5 shows the working and replacement bands of sheet material 1, 2 held to the splicing table 9 in the splicing position, with the initial portion 2a of the replacement band of sheet material 2 superimposed on the end portion 1a of the replacement band of sheet material 2. Then, as is shown in Figure 6 , the operator will cut both initial and end portions 1a, 2a of the working and replacement bands of sheet material 1, 2 on the splicing table 9 inserting a cutting blade of the mentioned cutting tool 21 into the slit forming the cutting guide and moving it along the cutting guide 10, as is shown in Figure 6 .
  • the cutting tool 21 can be, for example, a manual tool, such as a cutter, handled by the operator.
  • the operator will act on a completed splice control (not shown), and as a consequence of a signal generated thereby the working band holding device 12 will be deactivated and the traction device 8 will start to extract the working band of sheet material 1 from the replacement reel 7, which now acts as the working reel 6, while the accumulator device 14 is gradually recovered under the action of an actuator 33 moving the mobile support 32 to move the mobile rollers 20b away from the stationary rollers 20a. Then, the empty previous working reel 6 can be replaced with a new replacement reel 7 in the upper support 4, and so on and so forth.
  • Figure 4 shows a splicing table 9 according to an alternative embodiment, which is similar to the one described above in relation to Figure 3 , but with the addition of a second cutting guide 10 and a second adhesive tape supply device 11 aligned with said second cutting guide 10.
  • Both first and second cutting guides 10 are mutually parallel and are separated by a distance different from the width of the containers to subsequently be made in said container forming unit 200 from the working band of sheet material 1. Therefore, the operator will choose one or the other of the first and second cutting guides 10 so that the splice does not coincide with one of the sites where the band will be heat-welded and cut after being folded in the container forming unit so as to not create problems in the container forming unit 200. Accordingly, the splice will always be included in one of the containers 3.
  • a splice detector is arranged downstream of the splicing device 50, and said filling unit 300 has means for rejecting the container including the splice towards the mentioned rejection ramp 67 in response to a signal coming from said splice detector.
  • the photocell 56 for example, arranged in the inspection station of the container forming unit 200 can be used as a splice detector.
  • the cutting guide 10, or each of the two cutting guides 10, may have other configurations, for example a rail along which a slide carrying the cutting tool 21 would shift.
  • the cutting guide 10, or the two cutting guides 10, could be omitted if the surface 9a of the splicing table 9 was suitable for withstanding the action of the cutting blade of the cutting tool 21, such that a trained operator could make the transverse cut of the two end and initial portions 1a, 2a of the working and replacement bands of sheet material 1, 2 manually, given that the possible lack of straightness of the cut would be absorbed by the width of the adhesive tape 11a.
  • the band supply unit 100 comprises brake devices 22, 23 for applying a brake to the rotation of the reel acting as the working reel 6.
  • Each of said brake devices 22, 23 comprises a brake shoe 22a, 23a, which is thrust against a surface of the core of the corresponding reel by the action of a corresponding pneumatic actuator 24, 25.
  • the thrust force exerted by said pneumatic actuator 24, 25, and accordingly the braking force is controlled by an electro-pneumatic proportional pressure regulator (not shown) configured to adapt the pneumatic pressure supplied to the pneumatic actuator 24, 25 to machine operating conditions during production work.
  • the band supply unit 100 comprises a tension detector device 26 arranged to detect the tension of the working band of sheet material 1 downstream of the traction device 8 and a diameter detector 37, 38 arranged to detect a diameter of the partially unwound working reel 6 that is less than the diameter of the complete working reel 6, and the mentioned electro-pneumatic proportional pressure regulator adapts the braking force in response to a signal representative of the tension of the working band of sheet material 1 generated by said tension detector device 26 and to a signal representative of the diameter of the working reel 6 generated by said diameter detector 37, 38.
  • the tension detector device 26 comprises a plurality of stationary rollers 20c alternating with a plurality of mobile rollers 20d installed on a pivoting arm 27, and the working band of sheet material 1 is passed over said alternating stationary and mobile rollers 20c, 20d, such that the tension of the working band of sheet material 1 thrusts said pivoting arm 27 towards a direction which tends to move the mobile rollers 20d closer to the stationary rollers 20c, and elastic means 28, such as a pneumatic cylinder, are arranged to thrust the pivoting arm 27 towards the opposite direction.
  • Variations in the tension of the working band of sheet material 1 cause swinging movements of the pivoting arm 27, and said movements of the mentioned pivoting arm 27 are transmitted, for example through a linkage 34, to a positional detector 29, which generates said signal representative of the tension of the working band of sheet material 1.
  • the mentioned positional detector 29 can be, for example, a potentiometer.
  • the embodiment shown in Figure 2 shows one of said diameter detectors 37, 38 arranged in relation to each of the supports 4, 5 to detect the diameter of the working reel 6 regardless of the support 4, 5 on which it is installed.
  • Each diameter detector 37, 38 can be, for example, a photocell facing a side surface of the working reel 6 formed by the successive layers of the working band of sheet material 1 and at a pre-determined distance from the axis of the reel. As the working band of sheet material 1 is extracted from the working reel 6, the diameter thereof decreases and when the side surface of the reel disappears from in front of the diameter detector 37, 38, the latter generates the mentioned signal representative of the diameter reached by the working reel 6.
  • Two ranges of diameters of the reel are detected with a single diameter detector 37, 38: a first range between the diameter of the complete reel and the detected diameter; and a second range between the detected diameter and the diameter of the empty reel, and given that the different diameters are proportional to different degrees of inertia of the working reel 6, the braking force can be controlled depending on two degrees of inertia of the working reel 6 in addition to the degree of variable tension of the working band of sheet material 1.
  • the braking force could be controlled depending on a larger number of degrees of inertia.
  • the same diameter detectors 35, 36 used to detect the diameter indicating the proximity of the end of the reel can be used as diameter detectors for the control of the braking force.
  • the band supply unit 100 could be an independent unit that can be coupled to any container forming unit or horizontal packaging machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (12)

  1. Horizontale Verpackungsmaschine aufweisend einen Abwickler mit einer Verbindungsvorrichtung für den Austausch von Spulen ohne die Maschine anhalten zu müssen, der Art umfassend eine Bandversorgungseinheit (100) für die Versorgung von einem Band aus Folienmaterial (1, 2) aus einer Spule, eine Behälterbildungseinheit (200) für die Bildung von Behältern (3) aus dem genannten Band aus Folienmaterial (1, 2) und eine Füllungseinheit (300) für die Füllung der genannten Behälter (3), welche aus der genannten Behälterbildungseinheit (200) kommen, den Verschluss und die Abgabe derselben an einen Auslaufförderer, wobei die genannten Einheiten nacheinander in der Vorwärtsbewegungsrichtung des Bands aus Folienmaterial angeordnet sind, wobei die genannte Bandversorgungseinheit (100) Folgendes umfasst:
    Träger (4, 5) zum drehbaren Tragen von zwei Spulen, welche abwechselnd als Arbeitsspule (6) und als Ersatzspule (7) wirken;
    eine Vielzahl von Rollen (20), um ein Arbeitsband aus Folienmaterial (1),
    welches aus der genannten Arbeitsspule (6) kommt, zur genannten Behälterbildungseinheit (200) durch eine Sammlervorrichtung (14) zu führen;
    eine Zugvorrichtung (8), welche stromabwärts von der genannten Sammlervorrichtung (14) für die Abwicklung der Arbeitsspule (6) durch Ziehen von dem genannten Arbeitsband aus Folienmaterial (1) angeordnet ist; und
    eine Verbindungsvorrichtung (50), welche sich zwischen der Arbeitsspule (6) und
    der Sammlervorrichtung (14) befindet, um einen Endteil (1a) von dem Arbeitsband aus Folienmaterial (1) mit einem Anfangsteil (2a) von einem Ersatzband aus Folienmaterial (2), welches von der genannten Ersatzspule (7) kommt, während die genannte Zugvorrichtung (8) das Arbeitsband aus Folienmaterial (1) von der Sammlervorrichtung (14) abzieht, zu verbinden,
    dadurch gekennzeichnet, dass die genannte Verbindungsvorrichtung (50) Folgendes umfasst:
    einen Verbindungstisch (9), auf welchen das Arbeitsband aus Folienmaterial (1) während dem normalen Maschinenbetrieb läuft, wobei zumindest eine Klebebandversorgungsvorrichtung (11) an einen Rand von dem Arbeitsband aus Folienmaterial (1) angrenzt;
    eine Arbeitsbandhaltevorrichtung (12) zum Halten des genannten Endteils (1a) von dem Arbeitsband aus Folienmaterial (1) auf dem Verbindungstisch (9); und
    eine Ersatzbandhaltevorrichtung (13) zum Halten des genannten Anfangsteils (2a) von dem Ersatzband aus Folienmaterial (2) auf dem Verbindungstisch (9), wobei der Anfangsteil (2a) und der Endteil (1a) von dem Arbeitsband und dem Ersatzband aus Folienmaterial (1, 2) auf dem Verbindungstisch (9) einander überlagert werden,
    so dass sowohl das Arbeitsband als auch das Ersatzband aus Folienmaterial (1, 2) mit einem Schneidwerkzeug (21) gleichzeitig transversal geschnitten werden und, wenn die geschnittenen überschüssigen Teile (1b, 2b) von beiden Bändern aus Folienmaterial (1, 2) entnommen worden sind, werden diese einer Stossverbindung mittels Klebeband (11a), welches von der genannten Klebebandversorgungsvorrichtung (11) versorgt wird, unterworfen,
    wobei die Verbindungsvorrichtung (50) zusätzlich eine erste und eine zweite Hilfsersatzbandhaltevorrichtung (16, 17) zum abwechselnden Halten des Anfangsteils (2a) von dem Band aus Folienmaterial (2), welches aus einer von beiden Spulen kommt, welche als Ersatzspule (7) wirkt, in einer für die Verbindung eingerichtete an den Verbindungstisch (9) angrenzende Stellung, umfasst.
  2. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass die genannte Arbeitsbandhaltevorrichtung (12) als Antwort auf ein von einem Spulenendedetektor (18, 19) erzeugtes Signal betrieben und automatisch aktiviert wird, und dass die genannte Ersatzbandhaltevorrichtung (13) von einem Betreiber betrieben und manuell aktiviert wird.
  3. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass die genannte erste und die genannte zweite Hilfsersatzbandhaltevorrichtung (16, 17) von Betätigungsmitteln betrieben und als Antwort auf eine von einem Betreiber betätigten Steuerung aktiviert werden.
  4. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass der Verbindungstisch (9) zumindest mit einer Schneideführung (10) assoziiert ist, welche zum Arbeitsband aus Folienmaterial (1) transversal ist und mit der Klebebandversorgungsvorrichtung (11) ausgerichtet ist.
  5. Maschine nach Anspruch 4, dadurch gekennzeichnet, dass der Verbindungstisch (9) mit einer zweiten Schneideführung (10) und einer zweiten Klebebandversorgungsvorrichtung (11) assoziiert ist, welche an einen Rand von dem Arbeitsband aus Folienmaterial (1) angrenzt und mit der genannten zweiten Schneideführung (10) ausgerichtet ist, wobei die erste und die zweite Schneideführung (10) untereinander parallel und durch einen Abstand getrennt sind, welcher von der Breite der Behälter, welche aus dem Arbeitsband aus Folienmaterial (1) in der genannten Behälterbildungseinheit (200) herzustellen sind, verschieden ist.
  6. Maschine nach Anspruch 1, 4 oder 5, dadurch gekennzeichnet, dass ein Verbindungsdetektor stromabwärts von der Verbindungsvorrichtung (50) angeordnet ist und die genannte Behälterbildungseinheit (200) oder die genannte Füllungseinheit (300) Mittel aufweist, um einen Behälter, welcher aus dem Anfangsteil (2a) und dem Endteil (1a) von dem Arbeitsband und dem Ersatzband aus Folienmaterial (1, 2) gebildet wird, welche mittels Klebeband (11) gefügt sind, als Antwort auf ein von dem genannten Verbindungsdetektor kommendes Signal abzustoßen.
  7. Maschine nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die genannte Schneideführung (10) eine Nut umfasst, welche durch den Verbindungstisch (9) in einer zum Arbeitsband aus Folienmaterial (1) transversalen Richtung gebildet wird, wobei die genannte Nut eine Breite aufweist, die dazu ausgelegt ist, um ein Blatt des genannten Schneidwerkzeugs (21) aufzunehmen und eine Länge aufweist, die größer als die Breite von dem Arbeitsband und dem Ersatzband aus Folienmaterial (1, 2) ist.
  8. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass das Schneidwerkzeug (21) ein manuelles Werkzeug ist, welches von einem Betreiber gehandhabt wird.
  9. Maschine nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie eine akustische und/oder leuchtende Warnungsvorrichtung umfasst, welche als Antwort auf ein von einem Durchmesserdetektor (35, 36) erzeugtes Signal aktiviert wird, welcher dazu vorgesehen ist, einen Durchmesser zu erfassen, welcher die Nähe von dem Spulenende in der Arbeitsspule (6) angibt.
  10. Maschine nach Anspruch 1, dadurch gekennzeichnet, dass sie Bremsvorrichtungen (22, 23) umfasst, welche die Rotation der Spule, welche als Arbeitsspule (6) wirkt, bremst, wobei jede der genannten Bremsvorrichtungen (22, 23) einen Bremsbacken (22a, 23a) umfasst, welcher gegen eine Fläche der entsprechenden Spule mittels einem pneumatischen Stellglied (24, 25) geschoben wird, und einen elektropneumatischen Proportionalen-Druckregler umfasst, welcher für die Steuerung der Schubkraft des genannten pneumatischen Stellglieds (24, 25) als Antwort auf ein die Spannung von dem Arbeitsband aus Folienmaterial (1) darstellendes Signal und ein den Durchmesser der Arbeitsspule (6) darstellendes Signal angeordnet ist.
  11. Maschine nach Anspruch 10, dadurch gekennzeichnet, dass das genannte die Spannung von dem Arbeitsband aus Folienmaterial (1) darstellende Signal von einer Spannungsdetektorvorrichtung (26) erzeugt wird, welche dazu angeordnet ist, die Spannung von dem Arbeitsband aus Folienmaterial (1) stromabwärts von der Zugvorrichtung (8) zu erfassen, und dass das genannte den Durchmesser der Arbeitsspule (6) darstellende Signal von zumindest einem Durchmesserdetektor (37, 38) erzeugt wird, welcher dazu angeordnet ist, einen Durchmesser der teilweise abgewickelten Arbeitsspule (6) zu erfassen, welcher kleiner als der Durchmesser der vollständigen Arbeitsspule (6) ist, wobei die genannten Durchmesser verschiedenen Trägheiten der Arbeitsspule (6) entsprechen.
  12. Bandversorgungseinheit, welche in einer horizontalen Verpackungsmaschine anwendbar ist, der Art umfassend:
    Träger (4, 5) zum drehbaren Tragen von zwei Spulen, welche abwechselnd als Arbeitsspule (6) und als Ersatzspule (7) wirken;
    eine Vielzahl von Rollen (20), um ein Arbeitsband aus Folienmaterial (1),
    welches aus der genannten Arbeitsspule (6) kommt, zu einer späteren Einheit durch eine Sammlervorrichtung (14) zu führen;
    eine Zugvorrichtung (8), welche stromabwärts von der genannten Sammlervorrichtung (14) für die Abwicklung der Arbeitsspule (6) durch Ziehen von dem genannten Arbeitsband aus Folienmaterial (1) angeordnet ist; und
    eine Verbindungsvorrichtung (50), welche sich zwischen der Arbeitsspule (6) und
    der Sammlervorrichtung (14) befindet, um einen Endteil (1a) von dem Arbeitsband aus Folienmaterial (1) mit einem Anfangsteil (2a) von einem Ersatzband aus Folienmaterial (2), welches von der genannten Ersatzspule (7) kommt, während die genannte Zugvorrichtung (8) das Arbeitsband aus Folienmaterial (1) von der Sammlervorrichtung (14) abzieht, zu verbinden,
    dadurch gekennzeichnet, dass die genannte Verbindungsvorrichtung (50) Folgendes umfasst:
    einen Verbindungstisch (9), auf welchen das Arbeitsband aus Folienmaterial (1) läuft, wobei zumindest eine Klebebandversorgungsvorrichtung (11) an einen Rand von dem Arbeitsband aus Folienmaterial (1) angrenzt;
    eine Arbeitsbandhaltevorrichtung (12) zum Halten des genannten Endteils (1a) von dem Arbeitsband aus Folienmaterial (1) auf dem Verbindungstisch (9); und
    eine Ersatzbandhaltevorrichtung (13) zum Halten des genannten Anfangsteils (2a) von dem genannten Ersatzband aus Folienmaterial (2) auf dem Verbindungstisch (9), wobei der Anfangsteil (2a) und der Endteil (1a) von dem Arbeitsband und dem Ersatzband aus Folienmaterial (1, 2) auf dem Verbindungstisch (9) einander überlagert werden,
    so dass sowohl das Arbeitsband als auch das Ersatzband aus Folienmaterial (1, 2) mit einem Schneidwerkzeug (21) gleichzeitig transversal geschnitten werden und, wenn die geschnittenen überschüssigen Teile (1b, 2b) von beiden Bändern aus Folienmaterial (1, 2) entnommen worden sind, werden diese einer Stossverbindung mittels Klebeband (11a), welches von der genannten Klebebandversorgungsvorrichtung (11) versorgt wird, unterworfen,
    wobei die Verbindungsvorrichtung (50) zusätzlich eine erste und eine zweite Hilfsersatzbandhaltevorrichtung (16, 17) zum abwechselnden Halten des Anfangsteils (2a) von dem Band aus Folienmaterial (2), welches aus einer von beiden Spulen kommt, welche als Ersatzspule (7) wirkt, in einer für die Verbindung eingerichtete an den Verbindungstisch (9) angrenzende Stellung, umfasst.
EP10380030.6A 2009-03-23 2010-03-08 Horizontale Verpackungsmaschine mit einem Abwickler mit einer Spleißvorrichtung zum Tauschen der Rollen ohne ein Anhalten der Maschine sowie eine mit besagter Maschine verwendbare Bandzuführeinheit Not-in-force EP2233399B1 (de)

Applications Claiming Priority (1)

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ES200900779A ES2369459B1 (es) 2009-03-23 2009-03-23 Máquina envasadora horizontal incluyendo desenrollador con dispositivo de empalme para cambio de bobina sin paro de la máquina, y unidad de suministro de banda aplicable a dicha máquina.

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EP2233399A1 EP2233399A1 (de) 2010-09-29
EP2233399B1 true EP2233399B1 (de) 2013-05-29

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ES2395272B1 (es) * 2011-04-20 2013-12-05 Mespack, S.L. Unidad desdevanadora de banda de film a partir de bobina
ES2460467B1 (es) 2012-11-09 2015-06-30 Mespack, Sl Máquina horizontal formadora y llenadora de envases flexibles, y método de control de un dispositivo de corte de dicha máquina
DE102014222170A1 (de) * 2014-10-30 2016-05-04 Krones Aktiengesellschaft Verfahren und Vorrichtung zur Handhabung von auf Rollen gewickeltem Flach- und/oder Folienmaterial
DE102014116615A1 (de) * 2014-11-13 2016-05-19 Packsys Global Ag Substratzuführvorrichtung für ein Verpackungstubenherstellungsprozess sowie Substratzuführverfahren
ES2755191T3 (es) * 2017-04-21 2020-04-21 Mespack S L Máquina formadora de envases flexibles para envasado horizontal y método de fabricación de los mismos
CN108832189B (zh) * 2018-07-25 2023-11-03 广东茜恩自动化设备有限公司 一种电池切折烫三合一折边机
RU2741139C1 (ru) * 2020-09-07 2021-01-22 Виктор Леонидович Жавнер Способ формования упаковочного материала
GB202105917D0 (en) * 2021-04-26 2021-06-09 Carlton Packaging Llp Improvements to apparatus for the dispensing of sheet material
IT202100031487A1 (it) 2021-12-15 2023-06-15 P I T S R L Apparecchiatura per il cambio automatico di bobine di materiale in nastro
US20230405656A1 (en) * 2022-06-14 2023-12-21 Niagara Bottling, Llc System for reducing rolled stock waste
IT202200014725A1 (it) * 2022-07-13 2024-01-13 Ims Tech S P A Macchina per il converting con magazzino di accumulo del nastro di materiale
IT202200018882A1 (it) 2022-09-15 2024-03-15 P I T S R L Metodo e apparecchiatura per la giunzione automatica di bobine di materiale in nastro

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EP1002727A3 (de) * 1998-10-30 2000-10-25 Langen Packaging Inc. Vorrichtung zum Herstellen und Fördern, insbesondere für eine Verpackungsanlage
JP4402494B2 (ja) * 2004-03-26 2010-01-20 大成ラミック株式会社 フィルム供給ロールの交換方法とその交換装置
ES2275381B1 (es) 2005-01-03 2008-04-16 Eficiencia Y Tecnologia, S.A. (Effytec) Dispositivo empalmador de extremos de laminas de material plastico.
US8052832B2 (en) * 2005-06-07 2011-11-08 Sony Corporation Splicing assembly and method

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