EP3552500B1 - Dispositif et procédé de fabrication de segments du tabac en forme de tige dotés respectivement d'une bande chauffante - Google Patents

Dispositif et procédé de fabrication de segments du tabac en forme de tige dotés respectivement d'une bande chauffante Download PDF

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Publication number
EP3552500B1
EP3552500B1 EP19165381.5A EP19165381A EP3552500B1 EP 3552500 B1 EP3552500 B1 EP 3552500B1 EP 19165381 A EP19165381 A EP 19165381A EP 3552500 B1 EP3552500 B1 EP 3552500B1
Authority
EP
European Patent Office
Prior art keywords
heating strip
tobacco
strip material
weak points
strand
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19165381.5A
Other languages
German (de)
English (en)
Other versions
EP3552500A1 (fr
Inventor
Torsten Mörke
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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.)
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Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP3552500A1 publication Critical patent/EP3552500A1/fr
Application granted granted Critical
Publication of EP3552500B1 publication Critical patent/EP3552500B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/01—Making cigarettes for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/28—Cutting-off the tobacco rod

Definitions

  • the present invention relates to a device for producing rod-shaped tobacco segments, each with a heating strip, with the features of the preamble of claim 1, and a method for producing rod-shaped tobacco segments with a heating strip, with the features of the preamble of claim 8.
  • Rod-shaped tobacco segments with an inserted heating strip are used in so-called Heat Not Burn products (HNB products) or similar products which are intended for inhalation by a consumer.
  • HNB products Heat Not Burn products
  • the tobacco segments can also contain essential or medicinal substances for inhalation.
  • the prefabricated tobacco segments are then put together in a further processing process with other rod-shaped segments such as filter segments, tubular cooling sections, or other flavor-influencing segments to form finished rod-shaped products and, for example, fixed in shape by a wrapping strip.
  • the tobacco segments themselves each comprise a tobacco rod which is fixed in shape by a wrapping strip and which can be formed both by loose tobacco fibers and by crimped tobacco foil.
  • the tobacco foil comprises a carrier material in which the tobacco material is arranged in the form of tobacco particles or tobacco pigments.
  • additional taste-influencing additives can be present in the tobacco film.
  • the tobacco foil is pre-embossed in a preprocessing process with a large number of crease lines running in the longitudinal direction of a tobacco rod that is subsequently to be finished, and then Folded together in a strand unit using the pre-embossed kink lines to form an endless strand with a chaotic cross-sectional distribution. Subsequently, the tobacco foil in the folded state is placed in an endless strand on an endless wrapping strip and then fixed in shape by folding over the wrapping strip and gluing the edges of the wrapping strip. If the tobacco rod is formed by tobacco fibers, the tobacco fibers are placed in a known manner in a strand unit in an endless strand on the wrapping strip and are fixed in shape by folding over and gluing the edges of the wrapping strip.
  • the inductive heating strip in the tobacco segment is used to heat the tobacco in the tobacco segment by means of a non-contact, external energy source, as a result of which the aerosols outgas from the tobacco.
  • the consumer then does not inhale the tobacco smoke generated by burning the tobacco, but instead only inhales the aerosols from the tobacco that emerge as a result of the outgassing.
  • Various materials can be used for the inductive heating strip itself, provided that they can be inductively heated. These include B. ferromagnetic metals or alloys or carbon materials with such metallic particles. So that sufficient heat is generated by the heating strip, it must have a corresponding mass and can therefore not be made as thin as desired.
  • the heating strip forms a comparison due to its material and the required minimum thickness to the tobacco material dimensionally stable core in the tobacco segment.
  • a problem to be solved in the production of such tobacco segments is the arrangement of the heating strips in the tobacco segments.
  • a disadvantage of this solution is that the heating strip material has a significantly higher cutting resistance than the tobacco fibers or the tobacco foil due to the properties described above, so that the subsequent cutting of the endless strand into the tobacco segments is made considerably more difficult by the inner heating strip material. As a result, the cutting quality of the tobacco segments is worsened and the wear on the cutting blades when cutting the tobacco segments is increased considerably.
  • FIG. 7 shows a device in which a "crimped" insert is introduced into a continuous tobacco material;
  • the “crimp” rollers 61, 62 are synchronized with the following conveyor rollers 1, 2 for the tobacco material 26, 27.
  • this document does not describe the exact point at which the cut for producing the individual tobacco segments takes place.
  • the invention is based on the object of providing a device and a method for producing rod-shaped tobacco segments, each with a heating strip, which enable cost-effective production of the tobacco segments with a high cutting quality of the tobacco segments while at the same time reducing wear on the cutting device.
  • a device with the features of claim 1 and a method with the features of claim 8 are proposed to achieve the object. Further preferred developments of the invention can be found in the dependent claims, the figures and the associated description.
  • the solution according to the invention is basically based on the principle of inserting an endless heating strip material, since this eliminates the otherwise previously required cutting process, or in other words, the heating strip material is cut in one cut together with the strand of tobacco material, like this from the WO 2016/184928 A1 is known.
  • the endless strip of heating strip material has weak points regularly arranged in the longitudinal direction, the distances between two adjacent weak points in the heating strip material corresponding to the predetermined length of the tobacco segments, the cutting device cutting the tobacco segments from the strand through a Cut in the area of the weak points of the heating strip material.
  • the heating strips can be designed with the necessary thickness and mass to fulfill their function, while the cutting is carried out in the weak points that are preferably designed for this purpose, which oppose the cutting blades of the cutting device with a lower cutting resistance, so that a cut with an improved cutting quality can be achieved with a simultaneously reduced wear of the cutting blades.
  • the weak points preferably form separation points which are specifically designed for separation and which enable the heating strips to be separated even when the cutting blades are already slightly worn.
  • the weak points indirectly specify the position of the parting lines, since the heating strip material tears or is sheared off in the weak points even if the cutting blades do not hit the weak points exactly.
  • the weak points thus form the preferred separation points of the heating strips which, through their spacing, define the lengths of the heating strips separated from the heating strip material or the length of the tobacco segments separated from the rod.
  • the inventive solution thus offers the advantage of using a endless heating strip material with a simultaneously reduced cutting resistance and a consequent reduced wear of the cutting blades, whereby the heating strips between the weak points can deliberately be dimensioned with a sufficient thickness and mass to achieve the required heating power.
  • the weak points can be formed by thin points.
  • the thin areas have a smaller cross-sectional area and can be formed either by thinning the heating strip material in relation to the thickness or in relation to the width.
  • the heating strip material can preferably have a thickness of at least 0.05 mm and the thin areas preferably have a thickness of less than 0.025 mm.
  • the weak points can also be formed by cutouts.
  • the cutouts can be formed, for example, by punching out or by a perforation, by means of which the cross-sectional area of the heating strip material is reduced similarly to the thin areas.
  • Preferred separation points of the heating strip material are formed by the cutouts, and the cutting resistance of the heating strip material is deliberately reduced at these points.
  • the cross-sectional area of the heating strip material in the area of the weak points should preferably be reduced by at least half as a result of the cutouts and / or the thin points.
  • the weak points are alternatively or additionally formed by a layer structure that differs from the basic structure of the heating strip material.
  • the heating strip material in the form of individual heating strips, which are connected to one another in the weak points by a layer of a different material or by a layer with a different layer composition, the layer or the layer composition being deliberately designed in this way in the area of the weak points is that it has a lower cutting resistance than the heating strip material between the weak points.
  • the heating strip material has a width of at least 4 mm.
  • the heating strip material can be folded into a V or W shape, with folds running in the longitudinal direction of the tobacco segment, and thus folded from an even greater width to a smaller diameter so that it can also be arranged in a tobacco segment can, which has a smaller diameter than the width of the heating strip material.
  • a larger mass of the heating strip material can be arranged in the tobacco segment and on the other hand the tobacco segment can thereby be heated more evenly over the cross section, since the heating segment has a larger surface facing the tobacco and further distributed over the cross section of the tobacco segment.
  • a sensor device that detects the weak points is provided, the cutting device being controlled as a function of the signal from the sensor device.
  • the cutting process can be synchronized in relation to the weak points, so that the heating strip material is reliably cut in the weak points provided for it.
  • the sensor device is specially set up to detect the weak points, which can be achieved, for example, by an inductive measurement or by an optical measurement.
  • the sensor device is arranged in such a way that the weak points are detected before the heating strip material is introduced into the rod or also after it has been introduced into the tobacco rod. Both solutions have advantages. Detection of the weak points before insertion into the strand is advantageous in that the heating strip material is freely accessible as a result, and can therefore be optically detected very easily. Furthermore, detection of the weak points after the heating strip material has been inserted into the strand is advantageous, since the position of the weak points is thereby fixed by the tobacco in the tobacco segment and the probability of a subsequent change is very much lower. Furthermore, a cutting plane of the strand can be defined at the same time and the cutting device can be controlled accordingly. In addition, the sensor device can thereby be arranged closer to the cutting device, so that transport-related Displacements of the strand and / or the heating strip material have a smaller influence on the accuracy of the position of the cutting planes at the respective weak points.
  • a strand-forming unit 15 can be seen, to which an endless strip of a wrapping strip 12 with an endless strip of tobacco material 1 placed thereon is fed via a driven format belt 2.
  • the tobacco material 1 can be placed either in the form of a strip of loose tobacco fibers or a crimped tobacco foil, both the tobacco fibers and the crimped tobacco foil in a preceding one Forming process can be preprocessed into a cross-sectional shape and density that is favorable for strand formation.
  • an endless strip of a heating strip material 3 is inserted into the tobacco material 1.
  • the endless heating strip material 3 is preferably inserted centrally into the tobacco material 1 at one point.
  • the heating strip material 3 is inserted practically in the middle between the crimped tobacco foil and before entering the strand forming unit 15 together with it folded into the strip shape.
  • the wrapping strip 12 is turned up on the side of the tobacco material 1 and the heating strip material 3 inserted therein, applied with glue at one edge and then fixed in shape by completely turning the edges into an endless strand 4, which is also in the Figure 5 can be seen.
  • the heating strip material 3 has weak points 5 arranged at constant intervals from one another.
  • the heating strip material 3 is prefabricated with the weak points 5 and is introduced into the tobacco material 1 in an endless strip.
  • the heating strip material 3 to be recognized has weak points 5 in the form of thin points 16 and is made from a single material.
  • the thin areas 16 have a thickness D1 of the heating strip material 3 which is reduced by 0.05 mm Thickness D2 of less than 0.025 mm.
  • the heating strip material 3 thus has a cross-sectional area reduced by at least half in the thin spots 16.
  • the thin areas 16 can be produced, for example, by embossing the heating strip material 3 in a preprocessing step.
  • the heating strip material 3 to be recognized has weak points 5 in the form of lateral cutouts 7 and is also made from a single material.
  • the cutouts 7 can be punched out of the heating strip material 3, for example, and can alternatively also have other shapes. For example, it is also conceivable to provide several smaller cutouts 7 or holes in the heating strip material 3, which complement each other to form a perforation.
  • the cutouts 7 are preferably dimensioned such that the cross-sectional area of the heating strip material 3 in the weak points 5 is reduced by at least half compared to the cross-sectional area of the heating strip material between the weak points 5.
  • the heating strip material 3 to be recognized is formed by several layers and in the weak points 5 has a weakened layer structure that differs from the layer structure of the heating strip material 3 between the weak points 5.
  • the heating strip material 3 is formed here by individual heating strips 6 which are spaced apart and are fixed in the spaced arrangement by a casing 8.
  • the casing 8 can be, for example, a cellulose layer, a film or the like. By choosing the material and / or dimensioning the thickness, the casing 8 should be thermally conductive or heat-permeable to the extent that the heat generated by the heating strips 6 penetrates into the tobacco material 1 and thereby heats the tobacco. Further the material of the jacket 8 should be chosen so that it does not release any harmful substances when heated.
  • the heating strip material 3 in the area of the weak points 5 between the heating strips 6 is formed exclusively by the jacket 8 and thus has a different weakened layer structure than in the area of the heating strips 6. Furthermore, the heating strip material 3 thus additionally has a reduced cross-sectional area in the area of the weak points 5.
  • the endless strand 4 can be seen after exiting the strand forming unit 15.
  • the endless strand 4 is transported further in the transport direction T via the format tape 2 and passes a laterally arranged sensor device 10 directed towards the endless strand 4.
  • the endless strand 4 is then guided through an abutment 17 with a slot 18 and passes a cutting device in the process 14 with one or more radially protruding cutting knives 13.
  • the sensor device 10 is signal-connected to a control device 11, which in turn is signal-connected to the cutting device 14.
  • the sensor device 10 is specially designed so that it emits a signal when it passes a weak point 5.
  • the signal can either be used directly, or it is alternatively conceivable to generate a corresponding control signal on the basis of a data evaluation of a parameter detected by the sensor device 10, the underlying parameter and its change on the different mass, the different geometry or also due to the different Composition of the heating strip material 3 in the area of the weak points 5 can be based.
  • the cutting device 14 is formed here by a rotating knife carrier, which is arranged and aligned in such a way that when it rotates with the radially protruding cutting knives 13 it passes through the slot 18 of the abutment 17 and in each case a tobacco segment 9 with a heating strip 6 arranged therein from the endless strand 4 cuts off in a weak point 5.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Manufacture Of Tobacco Products (AREA)

Claims (9)

  1. Dispositif de fabrication de segments de tabac (9) en forme de tige dotés d'une bande chauffante (6), comportant
    - une unité de formation de boudin (15), laquelle est alimentée par une bande sans fin d'une bande d'enrobage (12), d'une matière de tabac (1) et d'une matière de bande chauffante (3) dotée de points faibles (5) disposés de manière régulière dans la direction longitudinale, dans lequel les espacements respectifs de deux points faibles (5) voisins dans la matière de bande chauffante (3) correspondent à la longueur prédéterminée des segments de tabac (9), dans lequel
    - dans l'unité de formation de boudin (15), un boudin (4) sans fin fixé en forme par la bande d'enrobage (12) est formé avec la matière de tabac (1) disposée dans celle-ci et la matière de bande chauffante (3), et
    - un moyen de coupe (14), lequel coupe à partir du boudin (4) sans fin les segments de tabac (9) à une longueur prédéterminée par une coupe au niveau des points faibles (5) de la matière de bande chauffante (3),
    caractérisé en ce qu'un dispositif de capteur (10) détectant les points faibles (5) est prévu, et
    - le moyen de coupe (14) est commandé en fonction du signal du dispositif de capteur (10), et
    - le dispositif de capteur (10) est disposé de façon à détecter la position des points faibles (5) avant l'introduction de la matière de bande chauffante (3) ou après l'introduction de la matière de bande chauffante (3) dans le boudin (4).
  2. Dispositif selon la revendication 1, caractérisé en ce que
    - les points faibles (5) sont formés par des amincissements (16).
  3. Dispositif selon la revendication 2, caractérisé en ce que
    - la matière de bande chauffante (3) présente une épaisseur (D1) d'au moins 0,05 mm et les amincissements (16) présentent une épaisseur (D2) de moins de 0,025 mm.
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que
    - les points faibles (5) sont formés par des échancrures (7).
  5. Dispositif selon l'une des revendications 2 à 4, caractérisé en ce que
    - la surface de section transversale de la matière de bande chauffante (3) est réduite au moins de moitié au niveau des points faibles (5) par les échancrures (7) et/ou par les amincissements (16).
  6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que
    - les points faibles (5) sont formés par une structure des couches se différenciant de la structure de base de la matière de bande chauffante (3).
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que
    - la matière de bande chauffante (3) présente une largeur (B) d'au moins 4 mm.
  8. Procédé de fabrication de segments de tabac en forme de tige dotés d'une bande chauffante comportant un dispositif comportant
    - une unité de formation de boudin (15), laquelle est alimentée par une bande sans fin d'une bande d'enrobage (12), d'une matière de tabac (1) et d'une matière de bande chauffante (3), dans lequel
    - dans l'unité de formation de boudin (15), un boudin (4) sans fin fixé en forme par la bande d'enrobage (12) est formé avec la matière de tabac (1) disposée dans celle-ci et la matière de bande chauffante (3), et
    - un moyen de coupe (14), lequel coupe à partir du boudin (4) sans fin les segments de tabac (9) à une longueur prédéterminée,
    caractérisé en ce que
    - le boudin sans fin de matière de bande chauffante (3) présente des points faibles (5) disposés de manière régulière dans la direction longitudinale, dans lequel
    - les espacements respectifs de deux points faibles (5) voisins dans la matière de bande chauffante (3) correspondent à la longueur prédéterminée des segments de tabac (9), dans lequel
    - un dispositif de capteur (10) détectant les points faibles (5) est prévu, et
    - le moyen de coupe (14) est commandé en fonction du signal du dispositif de capteur (10).
  9. Procédé selon la revendication 8, caractérisé en ce que
    - le moyen de coupe (14) est disposé en aval du dispositif de capteur (10) par rapport au mouvement du boudin, et
    - le moyen de coupe (14) est commandé en prenant compte le temps de déplacement du point faible (5) détecté depuis le dispositif de capteur (10) jusqu'au moyen de coupe (14).
EP19165381.5A 2018-04-09 2019-03-27 Dispositif et procédé de fabrication de segments du tabac en forme de tige dotés respectivement d'une bande chauffante Active EP3552500B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018108289.4A DE102018108289A1 (de) 2018-04-09 2018-04-09 Vorrichtung und Verfahren zur Herstellung von stabförmigen Tabaksegmenten mit jeweils einem Heizstreifen

Publications (2)

Publication Number Publication Date
EP3552500A1 EP3552500A1 (fr) 2019-10-16
EP3552500B1 true EP3552500B1 (fr) 2021-04-28

Family

ID=65995494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19165381.5A Active EP3552500B1 (fr) 2018-04-09 2019-03-27 Dispositif et procédé de fabrication de segments du tabac en forme de tige dotés respectivement d'une bande chauffante

Country Status (3)

Country Link
EP (1) EP3552500B1 (fr)
CN (1) CN110353301B (fr)
DE (1) DE102018108289A1 (fr)

Cited By (1)

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DE102023111233A1 (de) * 2023-05-02 2024-11-07 Körber Technologies Gmbh Maschine der Tabak verarbeitenden Industrie, Zufuhrvorrichtung und Verwendung derselben zum Zuführen eines Heizstreifens, Verfahren zum Herstellen eines Strangs sowie stabförmiger Artikel der Tabak verarbeitenden Industrie

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PL243959B1 (pl) * 2018-07-24 2023-11-06 Int Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia Taśma do indukcyjnego podgrzewania materiałów tytoniowych, urządzenia podające oraz sposób podawania
WO2020025562A1 (fr) * 2018-07-31 2020-02-06 Philip Morris Products S.A. Article générateur d'aérosol pouvant être chauffé par induction comprenant un segment de tige de formation d'aérosol et procédé de fabrication desdits segments de tige de formation d'aérosol
GB202000687D0 (en) * 2020-01-16 2020-03-04 Nicoventures Trading Ltd Consumable for use with a non-combustible aerosol provision device
WO2021144591A1 (fr) * 2020-01-16 2021-07-22 Nicoventures Trading Limited Consommable destiné à être utilisé avec un dispositif de fourniture d'aérosol non combustible
GB202000684D0 (en) * 2020-01-16 2020-03-04 Nicoventures Trading Ltd Susceptor
DE102020102744A1 (de) 2020-02-04 2021-08-05 Hauni Maschinenbau Gmbh Herstellmaschine zur Herstellung von stabförmigen Produkten aus einem endlosen Strang eines zu einem Rohr verklebten Streifens
US20240245098A1 (en) * 2021-05-28 2024-07-25 Philip Morris Products S.A. Method for producing aerosol-generating articles including a band of susceptor material
WO2024260870A1 (fr) * 2023-06-22 2024-12-26 Körber Technologies Gmbh Système de l'industrie de traitement du tabac, utilisation dudit système et article en forme de tige

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DE102023111233A1 (de) * 2023-05-02 2024-11-07 Körber Technologies Gmbh Maschine der Tabak verarbeitenden Industrie, Zufuhrvorrichtung und Verwendung derselben zum Zuführen eines Heizstreifens, Verfahren zum Herstellen eines Strangs sowie stabförmiger Artikel der Tabak verarbeitenden Industrie

Also Published As

Publication number Publication date
EP3552500A1 (fr) 2019-10-16
CN110353301A (zh) 2019-10-22
CN110353301B (zh) 2022-11-22
DE102018108289A1 (de) 2019-10-10

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