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EP3784065B1 - Verfahren und maschine zur detektion von mindestens einer eigenschaft von artikeln der tabakindustrie mit zumindest teilweise metallischer beschichtung - Google Patents

Verfahren und maschine zur detektion von mindestens einer eigenschaft von artikeln der tabakindustrie mit zumindest teilweise metallischer beschichtung Download PDF

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Publication number
EP3784065B1
EP3784065B1 EP19726497.1A EP19726497A EP3784065B1 EP 3784065 B1 EP3784065 B1 EP 3784065B1 EP 19726497 A EP19726497 A EP 19726497A EP 3784065 B1 EP3784065 B1 EP 3784065B1
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EP
European Patent Office
Prior art keywords
continuous rod
web
station
semi
finished product
Prior art date
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Application number
EP19726497.1A
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English (en)
French (fr)
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EP3784065A1 (de
Inventor
Fausto Mengoli
Ivan Eusepi
Eros Stivani
Massimo Sartoni
Luca Federici
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GD SpA
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GD SpA
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    • 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
    • A24C5/1807—Forming the rod with compressing means, e.g. garniture
    • 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
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields
    • 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
    • A24C5/60—Final treatment of cigarettes, e.g. marking, printing, branding, decorating
    • A24C5/608—Treating cigarettes with a liquid or viscous solution

Definitions

  • This invention relates to a method and a machine for detecting at least one property of articles of the tobacco industry having an at least partly metallic coating.
  • the object of this invention is to inspect a semi-finished product of the tobacco industry consisting of a continuous rod wrapped in a tube of wrapping material, where the wrapping material is at least partly metallic.
  • a strongly felt need in the industry is that of being able to efficiently check some of the properties of the semi-finished product, such as weight or density, so as to ensure that the production process of the rod, and ultimately of the finished product, complies with one or more quality parameters associated with the properties measured.
  • This need is normally satisfied by taking measurements of the rod after the rod has been formed; that is to say, when the semi-finished product has been wrapped completely in a web of wrapping material, in order to check that it has been filled correctly.
  • Measuring is performed by non-invasive and/or contactless measuring means such as sensors which use electromagnetic waves that are capable of passing through the continuous rod to measure one or more properties of the semi-finished product.
  • non-invasive and/or contactless measuring means such as sensors which use electromagnetic waves that are capable of passing through the continuous rod to measure one or more properties of the semi-finished product.
  • machines for making continuous rods of tobacco involve the use of a substantially vertical duct which is fed from below with a continuous flow of tobacco particles and at the top end of which there is a suction belt on which a continuous mass of tobacco is formed.
  • the suction belt is adapted to feed the semi-finished, continuous mass of tobacco along a predetermined path defined by the suction belt itself to a preforming device, which produces a continuous stream, and then to a station for forming a continuous tobacco rod where a web of wrapping material is wrapped around the continuous tobacco stream to form a continuous rod or cylinder of the tobacco industry, such as a cigarette rod, which is then cut into segments by a suitable cutting device.
  • the continuous stream of tobacco is suitably preformed and progressively compacted by the preforming device.
  • This feature guarantees that the continuous mass of tobacco can be measured without interference from metallic components applied to the web of wrapping material.
  • this solution is not capable of providing an accurate measurement of the quantity/weight of the mass of tobacco which is transferred to subsequent production steps because some of the tobacco measured continues to be held by suction on the suction belt and falls off the belt by gravity or on account of the mechanical vibrations before being actually transferred to the processes downstream.
  • the material held by the suction belt is, in effect, a "suspended" mass and produces a level of uncertainty which negatively affects measurement precision.
  • this problem also affects other tobacco industry production processes in which a continuous rod is formed by wrapping a semi-finished product, such as a mass of tobacco fibre, a stream of filter material, a uniform or non-uniform succession of segments of filter material, of aerosol-generating material or of flavour-generating material, or a stream of homogenized or regenerated tobacco, in a web of wrapping material comprising metallic particles.
  • a semi-finished product such as a mass of tobacco fibre, a stream of filter material, a uniform or non-uniform succession of segments of filter material, of aerosol-generating material or of flavour-generating material, or a stream of homogenized or regenerated tobacco
  • the technical purpose which forms the basis of this invention is to overcome at least some of the above mentioned drawbacks of the prior art by proposing a method and a machine for detecting at least one property of articles of the tobacco industry having an at least partly metallic coating.
  • this invention has for an aim to provide a method and a machine for detecting at least one property of articles of the tobacco industry having an at least partly metallic coating, allowing the properties of the product to be correctly measured using an electromagnetic wave detector even when the products made are wrapped in material which is at least partly metallized or which contains metallic parts.
  • This invention discloses a method of detection for articles of the tobacco industry having an at least partly metallic coating, comprising the following steps:
  • the present method allows ensuring that the properties of the semi-finished product being processed are correctly assessed by removing the risk, on the one hand, of metallic particles possibly interfering with the electromagnetic detector and, on the other, of obtaining false measurements on account of possible accidental variations which the semi-finished product might undergo immediately after being measured.
  • This invention also has for an object a machine for making a continuous rod of the tobacco industry and comprising a forming station, a detection station and a processing station.
  • the forming station is adapted to receive a web of wrapping material and a semi-finished product of the tobacco industry from respective feed means and comprises a forming beam on which the semi-finished product is placed on top of the web of wrapping material.
  • the forming station is configured to progressively wrap the web of wrapping material round the semi-finished product, thereby defining a continuous rod of material of the tobacco industry.
  • the detection station located downstream of the forming beam comprises at least one electromagnetic detector to detect one or more properties of the continuous rod.
  • the processing station is located downstream of the detection station and is configured to apply an at least partly metallic or metallized coating on the continuous rod.
  • the present machine provides an efficient and effective inspection tool for accurately assessing the structural integrity and inherent properties of the semi-finished product being processed, thus guaranteeing that the end product made using that semi-finished product attains an optimum quality level.
  • the numeral 100 in the accompanying drawings denotes in its entirety a machine for making at least one continuous rod of the tobacco industry.
  • the machine 100 comprises a forming station 10, adapted to receive a web of wrapping material 11 from means for feeding the web of wrapping material 11 and a semi-finished product 12 of the tobacco industry from means for feeding the semi-finished product, located preferably upstream of the forming station 10.
  • the forming station 10 in turn comprises a forming beam 13 on which the semi-finished product 12 is placed on the web of wrapping material 11, preferably to rest thereon.
  • the semi-finished product 12 may comprise a continuous stream of tobacco fibre, a stream obtained by crimping a web of tobacco, a stream of filter material, of aerosol-generating material or of flavour-generating material, or more generally speaking, a preferably continuous stream intended to be wrapped in the web of wrapping material 11.
  • the forming station 10 is configured to receive the web of wrapping material 11 and the semi-finished product 12 in such a way that these are fed together to the forming beam 13, specifically with the semi-finished product 12 placed on top of the web of wrapping material 11.
  • the forming beam 13 is configured to progressively wrap the web of wrapping material 11 round the semi-finished product 12 to define a continuous rod "B" of material of the tobacco industry.
  • the web of wrapping material 11 is made of materials that do not in any way generate any interference, distortion or noise in the electromagnetic signals used to inspect the properties of the semi-finished product 12, even after the latter has been wrapped completely in the web of wrapping material 11.
  • the machine 100 also comprises a detection station 20 located downstream of the forming beam and comprising at least one electromagnetic detector 21 to detect one or more properties of the continuous rod "B".
  • property is meant one or more features of interest, depending on the type of filling material being measured.
  • These properties may comprise, for example, those in the following, non-exhaustive list: weight, density, humidity, correct inclusion of additional elements.
  • electromagnetic detector 21 is used to denote any detector capable of performing a non destructive measurement through the thickness of the semi-finished product 12 using electromagnetic waves, specifically electromagnetic waves whose frequency is such as to be susceptible of interference from, or to be masked/distorted by, interaction with metallic particles.
  • the electromagnetic detector 21 is a microwave detector operating at a wavelength of between 10 9 and 10 12 Hz.
  • the detection station 20 is located immediately downstream of the forming station, that is to say, without other processing units being interposed between them.
  • the machine 100 also comprises a processing station 30 configured to apply an at least partly metallic or metallized coating on the continuous rod "B".
  • the processing station 30 is located downstream of the detection station 20 and is thus configured to receive the continuous rod "B" therefrom and to apply the coating on the rod.
  • the machine 100 comprises the forming station 10, the detection station 20 and the processing station 30 in sequence.
  • the forming station 10 receives the web of wrapping material 11 and the semi-finished product 12 and, by means of the forming beam 13, wraps the web of wrapping material 11 completely round the semi-finished product 12 to make the continuous rod "B" which is then fed into the detection station 20.
  • the electromagnetic detector 21 performs a non-destructive measurement on the continuous rod "B" to detect/measure one or more of its characteristic properties and then sends it on to the processing station 30.
  • the machine 100 for making at least one continuous rod of the tobacco industry of this invention allows overcoming the drawbacks of prior art devices because it can accurately and precisely measure the properties of the continuous rod "B" without the risk of the measurement being influenced or distorted by the presence of metallic particles and performing the measurement only after it is certain that the semi-finished product 12 will not undergo unwanted/unpredictable variations.
  • the processing station 30 is located immediately downstream of the detection station 20, that is to say, without other processing units being interposed between them.
  • processing station 30 and the detection station 20 may be separated from each other by the presence of further processing units of the tobacco industry adapted to subject the continuous rod "B" to further processes before the coating is applied by the processing station 30.
  • the detection station 20 and the processing station 30 might be separated from each other by an intermediate processing unit configured to cut the continuous rod "B" into a plurality of segments which are then fed into the processing station 30 where the coating is applied on each individual segment.
  • the processing station 30 is adapted to receive a web of an at least partly metallic or metallized overwrapping material 31 from means for feeding the web of overwrapping material and the continuous rod "B" from the detection station 20.
  • the processing station 30 also comprises a forming beam 32 on which the continuous rod "B" is placed on the web of overwrapping material 31 and which progressively wraps the continuous rod "B” in the web of overwrapping material "31".
  • the processing station 30 performs a function similar to that of the forming station 10 in that it wraps the semi-finished product 12 in a wrapping material, specifically a second web of overwrapping material 31 which is at least partly metallic or metallized.
  • the forming station 10 and the processing station 30 are provided with respective forming beams 13, 32 which, as shown in detail in Figure 1 , may be adjacent to each other and separated only by the detection station 20 so that the latter receives the continuous rod "B" immediately after the semi-finished product 12 has been wrapped completely in the web of wrapping material 11 and feeds the rod to the processing station 30 immediately after one or more of its characteristic properties have been detected.
  • the processing station 30 is a spraying station configured to spray an at least partly metallic or metallized varnish on the continuous rod "B" to coat the latter at least partly.
  • This invention also has for an object a method of detection for articles of the tobacco industry having an at least partly metallic coating.
  • the method comprises forming a continuous rod "B" of material of the tobacco industry; as described above, the continuous rod "B” is defined by a semi-finished product 12 of the tobacco industry, wrapped in a tube of wrapping material 11.
  • an electromagnetic detector 21 is used to detect at least one property of at least one portion of the continuous rod "B”.
  • step of detecting is performed after the web of wrapping material 11 has been completely wrapped around the semi-finished product 12.
  • an at least partly metallic or metallized coating is applied on the continuous rod "B" in such a way as to make it unsuitable for combustion.
  • the method disclosed herein allows dividing the process of wrapping the semi-finished product 12 into two or more distinct steps separate from the measuring process.
  • This technical feature ensures obtaining a precise and accurate measurement of the properties of the semi-finished product 12 because the measurement is performed before the metallic particles are applied, thus eliminating the risk of the metallic particles interfering with the electromagnetic detector 21, and after wrapping in a first web of wrapping material 11 which does not interfere with measuring operations, thus substantially eliminating the risk of the semi-finished product 12 undergoing unwanted, unpredictable changes/variations after being measured.
  • the method of this invention is directed to performing measurements on semi-finished products of the tobacco industry such as: a mass of tobacco fibre, a stream of filter material, a uniform or non-uniform succession of segments of filter material, aerosol- or flavour-generating material, a stream of homogenized or regenerated tobacco.
  • the measuring process is performed by an electromagnetic detector 21 such as, for example, a microwave detector, preferably configured to operate between 10 9 and 10 12 Hz.
  • an electromagnetic detector 21 such as, for example, a microwave detector, preferably configured to operate between 10 9 and 10 12 Hz.
  • use of the electromagnetic detector 21 makes it possible to obtain multiple data values of interest regarding the semi-finished product 12 being processed, as for example: weight, humidity, density and correct inclusion of additional elements in the semi-finished product 12.
  • the metallic particle coating is applied on the continuous rod "B" immediately after performing the step of measuring it.
  • the continuous rod "B" is immediately sent on to the next step of applying the at least partly metallic or metallized coating.
  • the step of detecting is followed by a step of cutting the continuous rod "B" into a plurality of segments before the coating is applied.
  • the coating is not applied on the continuous rod "B" but on each individual segment.
  • this invention achieves the preset aims and overcomes the above mentioned drawbacks of the prior art by providing the user with a method and a machine for detecting at least one property of articles of the tobacco industry having an at least partly metallic coating to guarantee correctly analysing the quality of the product being processed.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Claims (10)

  1. Verfahren zur Detektion von Artikeln der Tabakindustrie mit zumindest teilweise metallischer Beschichtung, umfassend die folgenden Schritte:
    - Formen eines durchgehenden Stabs (B) aus Material der Tabakindustrie, wobei der durchgehende Stab (B) durch ein Halbfertigerzeugnis (12) der Tabakindustrie definiert ist, das in ein Rohr eingewickelt ist, definiert durch eine Bahn aus Einwickelmaterial;
    - Detektieren von mindestens einer Eigenschaft eines Abschnitts des durchgehenden Stabs (B) mit einem elektromagnetischen Detektor, wobei der Schritt zum Detektieren durchgeführt wird, nachdem die Bahn aus Einwickelmaterial (11) vollständig rund um das Halbfertigerzeugnis (12) gewickelt wurde;
    - nach dem Schritt zum Detektieren, Anbringen einer mindestens teilweise metallischen oder metallisierten Beschichtung auf dem durchgehenden Stab (B), sodass ein durchgehender Stab (B) hergestellt wird, der ungeeignet für die Verbrennung ist.
  2. Verfahren nach Anspruch 1, wobei der elektromagnetische Detektor (21) ausgelegt ist, um mindestens eine Eigenschaft des durchgehenden Stabs (B) zu detektieren, die aus Folgendem ausgewählt ist: Gewicht, Feuchtigkeit, Dichte.
  3. Verfahren nach Anspruch 1 oder 2, wobei das Halbfertigerzeugnis (12) aus Folgendem ausgewählt ist: eine Tabakfasermasse, ein Filtermaterialstrom, eine einheitliche oder nicht einheitliche Abfolge von Filtermaterialsegmenten, ein Aerosol- oder Aromaerzeugendes Material, ein Strom aus homogenisiertem oder regeneriertem Tabak.
  4. Verfahren nach einem oder mehreren der vorhergehenden Ansprüche, wobei der elektromagnetische Detektor (21) ein Mikrowellendetektor ist, wobei der Mikrowellendetektor vorzugsweise ausgelegt ist, um zwischen 109 und 1012 Hz zu arbeiten.
  5. Verfahren nach einem oder mehreren der vorhergehenden Ansprüche, umfassend nach dem Schritt zum Detektieren einen Schritt zum Trennen des durchgehenden Stabs (B) in eine Vielzahl von Segmenten des durchgehenden Stabs (B) und den Schritt zum Anbringen einer mindestens teilweise metallischen oder metallisierten Beschichtung auf dem durchgehenden Stab (B), der durchgeführt wird, indem die Beschichtung auf jedem Segment des durchgehenden Stabs (B) angebracht wird.
  6. Maschine zur Herstellung eines durchgehenden Stabs (B) der Tabakindustrie, umfassend:
    - eine Formungsstation (10), die ausgelegt ist, um eine Bahn aus Einwickelmaterial (11) von Mitteln zum Zuführen der Bahn aus Einwickelmaterial (11) und ein Halbfertigerzeugnis (12) der Tabakindustrie von Mitteln zum Zuführen des Halbfertigerzeugnisses (12) zu empfangen, wobei die Station einen Formungsbalken (13) umfasst, auf dem das Halbfertigerzeugnis (12) auf der Bahn aus Einwickelmaterial (11) platziert wird, und wobei die Formungsstation (10) ausgelegt ist, um die Bahn aus Einwickelmaterial (11) rund um das Halbfertigerzeugnis (12) zu wickeln, um einen durchgehenden Stab (B) aus Material der Tabakindustrie zu formen;
    - eine Detektionsstation (20), die nach dem Formungsbalken angeordnet ist und mindestens einen elektromagnetischen Detektor (21) umfasst, um eine oder mehrere Eigenschaften des durchgehenden Stabs (B) zu erfassen,
    dadurch gekennzeichnet, dass sie eine Bearbeitungsstation (30) umfasst, die ausgelegt ist, um eine mindestens teilweise metallische oder metallisierte Beschichtung auf dem durchgehenden Stab (B) anzubringen, wobei die Bearbeitungsstation (30) nach der Detektionsstation (20) angeordnet ist.
  7. Maschine nach Anspruch 6, wobei die Bearbeitungsstation (30) dazu bestimmt ist, eine Bahn eines mindestens teilweise metallischen oder metallisierten Umhüllungsmaterials (31) von Mitteln zum Zuführen der Bahn aus Umhüllungsmaterial (31) und den durchgehenden Stab (B) von der Detektionsstation (20) zu empfangen, wobei die Bearbeitungsstation (30) einen Formungsbalken (32) umfasst, auf dem der durchgehenden Stab (B) auf der Bahn aus Umhüllungsmaterial (31) platziert ist, wobei die Bearbeitungsstation (30) ausgelegt ist, um den durchgehenden Stab (B) stufenweise in die Bahn aus Umhüllungsmaterial (31) einzuwickeln.
  8. Maschine nach Anspruch 6, wobei die Bearbeitungsstation (30) eine Sprühstation ist, die ausgelegt ist, um einen mindestens teilweise metallischen oder metallisierten Lack auf den durchgehenden Stab (B) zu sprühen, um diesen zumindest teilweise zu beschichten.
  9. Maschine nach einem der Ansprüche 6 bis 8, wobei die Bearbeitungsstation (30) unmittelbar nach der Detektionsstation (20) angeordnet ist, d. h., ohne dass andere Bearbeitungseinheiten zwischen ihnen eingesetzt sind.
  10. Maschine nach einem der Ansprüche 6 bis 9, wobei die Detektionsstation (20) unmittelbar nach der Formungsstation (10) angeordnet ist, d. h., ohne dass andere Bearbeitungseinheiten zwischen ihnen eingesetzt sind.
EP19726497.1A 2018-04-24 2019-04-19 Verfahren und maschine zur detektion von mindestens einer eigenschaft von artikeln der tabakindustrie mit zumindest teilweise metallischer beschichtung Active EP3784065B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000004724A IT201800004724A1 (it) 2018-04-24 2018-04-24 Metodo e macchina per la rilevazione di almeno una proprietà di articoli del settore del tabacco aventi un rivestimento almeno parzialmente metallico
PCT/IB2019/053255 WO2019207442A1 (en) 2018-04-24 2019-04-19 Method and machine for detecting at least one property of articles of the tobacco industry having an at least partly metallic coating

Publications (2)

Publication Number Publication Date
EP3784065A1 EP3784065A1 (de) 2021-03-03
EP3784065B1 true EP3784065B1 (de) 2022-06-08

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EP19726497.1A Active EP3784065B1 (de) 2018-04-24 2019-04-19 Verfahren und maschine zur detektion von mindestens einer eigenschaft von artikeln der tabakindustrie mit zumindest teilweise metallischer beschichtung

Country Status (4)

Country Link
EP (1) EP3784065B1 (de)
IT (1) IT201800004724A1 (de)
PL (1) PL3784065T3 (de)
WO (1) WO2019207442A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469871A (en) * 1992-09-17 1995-11-28 R. J. Reynolds Tobacco Company Cigarette and method of making same
ITBO20020038A1 (it) * 2002-01-24 2003-07-24 Gd Spa Metodo per il rilevamento e l'eliminazione di corpi estranei in un flusso di tabacco
DE102011082625A1 (de) * 2011-09-13 2013-03-14 Hauni Maschinenbau Ag Regelungsvorrichtung zur Regelung mindestens eines Parameters eines Artikels der Tabak verarbeitenden Industrie

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EP3784065A1 (de) 2021-03-03
WO2019207442A1 (en) 2019-10-31
IT201800004724A1 (it) 2019-10-24
PL3784065T3 (pl) 2022-09-19

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