EP2745719A1 - Dispositif de mesure et procédé de mesures pour un segment de tige de filtre de l'industrie de traitement du tabac, machine de fabrication de tiges de filtre, machine et installation de fabrication d'un produit de filtre multi-segments - Google Patents

Dispositif de mesure et procédé de mesures pour un segment de tige de filtre de l'industrie de traitement du tabac, machine de fabrication de tiges de filtre, machine et installation de fabrication d'un produit de filtre multi-segments Download PDF

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Publication number
EP2745719A1
EP2745719A1 EP13196823.2A EP13196823A EP2745719A1 EP 2745719 A1 EP2745719 A1 EP 2745719A1 EP 13196823 A EP13196823 A EP 13196823A EP 2745719 A1 EP2745719 A1 EP 2745719A1
Authority
EP
European Patent Office
Prior art keywords
filter
coloring
segment
measuring device
filter rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13196823.2A
Other languages
German (de)
English (en)
Inventor
Hans-Jürgen Greve
Dierk SCHRÖDER
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.)
Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2745719A1 publication Critical patent/EP2745719A1/fr
Withdrawn legal-status Critical Current

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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
    • A24C5/32—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
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0295—Process control means

Definitions

  • the invention relates to a measuring arrangement for a filter rod segment in the tobacco processing industry, comprising an optical measuring device for detecting a property of a longitudinally axially conveyed filter rod segment.
  • the invention further relates to a corresponding measuring method, a machine for producing filter rods, and a machine and a plant for producing a multi-segment filter product.
  • An optical measuring apparatus for controlling a cutter in a multi-segment filter manufacturing machine is, for example from the EP 1 557 100 B1 known.
  • some combinations of filter segments in particular white-white filter segment combinations, do not provide a sufficient difference in contrast, so that the individual filter segments can not be distinguished by the optical measuring device. In these cases, the cutter of the multi-segment filter manufacturing machine can not be controlled with the desired accuracy.
  • the object of the invention is to provide a measuring arrangement, a filter manufacturing machine, a multi-segment filter production machine, a system and a measuring method which enable a more reliable determination of the product property to be measured, in particular for low-contrast filter segment combinations.
  • the invention solves this problem with the features of the independent claims.
  • coloring a component of the filter rod segment with a coloring that significantly changes the optical absorption of light of the optical measuring device, the property to be measured, in particular position in the axial direction, of the colored filter rod segment can be measured with sufficient quality by means of the optical measuring device.
  • the contrast between different filter rod segments, and thereby the quality or accuracy of the measurement by the optical measuring device can be significantly increased.
  • this allows a cutting position control with the desired accuracy especially in low-contrast filter segment combinations, such as white-white filter segment combinations.
  • the optical measuring device measures in particular in the visible wavelength range.
  • the coloration preferably has a wavelength that differs significantly from the measurement wavelength.
  • Significant coloration deviating from the measurement wavelength means that the wavelength of the coloration advantageously deviates from the measurement wavelength by at least 50 nm, preferably by at least 100 nm.
  • Wavelengths are to be understood in the context of the present application as wavelengths in air or vacuum.
  • it is a coloring complementary to the measuring wavelength.
  • the measurement contrast due to the coloring is maximum.
  • coloring is at least in the area covered by the measuring device monochrome and / or homogeneous.
  • the invention more generally also includes colorations which can not be characterized by means of a color wavelength, for example gray colorations. It is only important that the coloration leads to a significant change in the optical absorption of the filter rod or filter rod segment provided with the colored component, in particular in the visible wavelength range, in comparison to a non-colored, in particular white, component.
  • the optical measuring device is not limited to monochromatic light or a narrow wavelength range around a measurement wavelength. For example, the optical measuring device may use white light.
  • the measuring wavelength of the measuring device may, for example, be in the red wavelength range and be at least 630 nm.
  • the wavelength of coloration is preferably at most 580 nm, and is preferably in the range between 420 and 580 nm, more preferably in the range between 450 and 550 nm.
  • the color of the coloration is cyan (about 490 nm) or a cyan adjacent color ( ⁇ 25 nm).
  • a preferred alternative is a blue dye with a wavelength less than 490 nm, for example an indigo dye such as indigo carmine or indigotine.
  • the component of the filter rod segment is colored in a region which is not visible from the outside on the end product, in particular the cigarette. In this way it is ensured that the coloring does not disturb the consumer.
  • coloring a wrapping strip this is advantageously achieved by coloring only the inside, preferably the entire inside of the wrapping strip, while leaving the outside of the wrapping strip undyed.
  • the optical measuring device advantageously measures in the transmission method on a filter strand or on longitudinally axially conveyed filter rods or filter rod segments, and comprises a light source, preferably a laser light source, and a light receiver, preferably with a lens and a photosensitive sensor.
  • a light source preferably a laser light source
  • a light receiver preferably with a lens and a photosensitive sensor.
  • MPC sensor designated optical measuring device of the applicant is for example from the EP 1 557 100 B1 the disclosure of which is incorporated in full in the present application.
  • Lens-free light receivers are possible, for example optical fibers or contact receivers.
  • the application is also not limited to laser light sources.
  • the multi-segment filter manufacturing machine 3 shown comprises a strand forming apparatus 1, a cross-sectional group forming apparatus 2 for assembling the filter elements processed in the strand forming apparatus 1, and a transfer unit 62 for transferring the filter elements to the strand forming apparatus 1.
  • the multi-segment filter manufacturing machine 3 is preferably a two-strand machine.
  • multi-segment filters for cigarettes can be produced which have four or here six filter elements or segments.
  • the group-forming device 2 comprises a plurality, in this case for example three segment feed units 604, 605.1, 605.2 for assembling and feeding different filter segments to the strand forming device 1.
  • a respective reservoir 53.1, 53.2, 53.3 is provided for the corresponding filter segments.
  • the segment feed units 604, 605.1, 605.2 preferably each have an assembly drum 64.1, 64.2 and a transfer drum 63.5, 63.6.
  • the filter segments supplied by means of the segment feed units 604, 605.1, 605.2 are here soft elements, but the supply of hard elements is not excluded.
  • the filter rod groups are arranged in a transfer unit 62, the further transfer drums 63.1, 63.2, 63.3, by means of a turning drum 28 along the axial direction of the conveying direction and continuously continuously on a wrapping strip, which is withdrawn from a arranged on a Bobinenhalterung 30 bobbin and by means of at least one gluing device 32nd , 37 is glued from at least one glue reservoir 33, 38, passed to the strand forming device 1.
  • the filter bar groups fixed in a continuous row then pass through a format chamber 44 in which the wrapping strip is wrapped around the filter bar groups so that a continuous filter segment strand is formed.
  • the filter strand can be cut off, wherein cut off, not further processed filter strand sections, which are incurred for example during start / stop operations, slip over a chute into a collecting container 56.
  • the sealed and sealed filter strand is cut by means of a cutting device 48 in multiple filter rods of preferably multiple use length, for example, 2-, 4- or here 6 times the use length.
  • a push-in drum 57 the multiple filter rods for further processing, in particular for assembly with tobacco sticks, in another machine, in particular a cigarette making machine, be pushed or transferred to intermediate transfer systems.
  • the position of the cuts produced by the cutting device 48 is controlled on the basis of a signal from an optical measuring device 10, which is set up to determine the contact position of two successive filter rod segments.
  • the optical measuring device 10 is arranged in the strand unit 1 in the conveying direction adjacent to, preferably in front of the cutting device 48.
  • the optical measuring device 10 therefore measures at the longitudinal axially promoted filter segment strand.
  • a separate associated measuring device 10 is provided for each filter strand.
  • FIG. 2 A preferred embodiment of the optical measuring device 10 is shown in FIG FIG. 2 shown in a cross section through the filter strand 20.
  • the measuring device 10 comprises at least one, preferably a plurality, in particular two measuring devices 11, 12, whose optical axes in cross section as in FIG. 2 shown a non-zero angle of preferably at least 30 °, more preferably at least 45 °, here for example about 65 °.
  • two measuring devices 11, 12 with different optical axes, systematic measurement errors can be eliminated.
  • Each measuring device 11, 12 comprises a light source 22, in particular a laser light source, for generating a transverse to the filter strand 20 passing therethrough light beam, and a light receiver 14 arranged opposite to the light source 22, having a light-sensitive sensor for detecting the light beam which has passed or scattered through the filter strand 20.
  • the optical measuring device 10 thus operates in the transmission method. It is alternatively conceivable to use an optical measuring device operating in the reflection method.
  • the light receiver 14 includes a lens 26 for detecting a range of a brightness range generated by the light source in the filter string 20 on the exit side of the filter string 20. In the light receiver 14 may be between the sensor and the lens 26 is preferably a in FIG. 2 not designated aperture be arranged.
  • the optical measuring device 10 advantageously comprises a strand guide tube 27 provided between the light source 22 and the light receiver 14 and made of a suitable material, preferably glass or a suitable transparent plastic.
  • a strand guide tube 27 made of sapphire glass offers the following advantages: abrasion resistance, smooth passage of the filter strand 20 for good cleaning, dustproofness, visual suitability due to transparency and aging resistance.
  • the contrast may not be sufficient to detect the transition between the segments by means of the optical measuring device 10 sufficiently reliable.
  • at least one sort of filter segments ie the filter segments supplied by at least one of the segment feed units 604, 605.1, 605.2, before processing in the multi-segment filter manufacturing machine 3, or at the latest before a compilation and / or Group, about even in a magazine and / or in the field of a transport drum, at least partially colored.
  • the coloring preferably takes place in an upstream filter-making machine for producing the corresponding filter segments.
  • Different variants for the coloring of filter segment components are based on the in FIG. 3 illustrated filter manufacturing machine 40 exemplified.
  • the filter manufacturing machine 40 consists in a conventional manner of a filter fabric preparation unit 51 and a filter strand forming unit 52, which is provided with a housing 52 a.
  • the filter fabric preparation unit 51 comprises a roller pair 73 for endless removal of a filter tow strip 4 from a bale 6. After removal from the bale 6, the filter tow strip 4 passed over a deflection roller 5 passes, for example, two air nozzles 7, 8 which are used to spread and loosen the fabric of the filter tow strip 4 serve.
  • a climate chamber 70 may be provided for the treatment of the filter tow 4 with water vapor or hot air.
  • an applicator 72 for example in the form of one or more rotating brushes, nozzles and / or rows of nozzles for applying a plasticizer, in particular triacetin, on the filter tow 4.
  • the supply of the plasticizer to the applicator 72 by means of a metering pump 93 via a supply line 34 from a plasticizer supply 36.
  • the metering pump 93 can be controlled by a control device 43 via a control line 93a.
  • the prepared, with softener sprayed filter tow 4 passes through the pair of rollers 71 from the Filtertowaufkungsaku 51 in an inlet hopper 17 of the filter strand forming unit 52, in which the filter tow 4 summarized and withdrawn from a reel 18 and by means of a gluing device 80, in particular at least one gluing nozzle, glued wrapping strips 21 is placed.
  • the wrapping strip 21, in particular an endless filter paper strip, and a filter material strand 4a formed by combining the filter tow strip 4 reach a format strip 23 which guides both components through a format 23a.
  • the format 23a places the wrapping strip 21 around the filter material strand 4a, thereby forming an endless filter strand 24.
  • the speed of the format strip 23 is controlled by a control device 25 via a control line 25a and to the drives also controlled by the control device 25 via control lines 25b, 25c the roller pairs 9, 71 tuned.
  • the filter strand 24 passes through a seam plate 76, in which the adhesive seam is dried and / or hardened, for example by means of cooling when using hot glue.
  • filter rods 78 are continuously cut off from the filter strand 24 by means of a knife apparatus 77, which are transferred by an accelerator 29 into a discharge drum 31, in which they are conveyed in the transverse-axial conveying direction. From the Ablegertrommel 31 the filter rods 78 reach a Ablegerband 82, from which they are fed to a further processing or intermediate storage.
  • the filter rods 78 as filter segments of one of the reservoir 53.1, 53.2, 53.3 of the multi-segment filter manufacturing machine 3 from FIG. 1 be supplied.
  • a microwave or high frequency measuring device 37 for measuring the proportions of the components of the filter strand, namely dry filter tow, water or moisture and / or plasticizer provided.
  • the corresponding measured values are transmitted via a data line 37a to an evaluation device 42.
  • the evaluation device 42 is connected downstream of the control device 43.
  • the signals of the evaluation device 42 are compared as actual values with predetermined, stored nominal values. In the event of a deviation from a desired value, the control device 43 outputs a control signal to a corresponding control device.
  • control device 43 determines that the actual value of the plasticizer component in the filter train 24 deviates from the stored desired value, the control device 43 controls the metering pump 93 via the control line 93a in accordance with the actual value towards the setpoint. If the control device 43 determines, for example, that the actual value of the dry filter tow determined by the measuring device 37 in the filter strand 24 deviates from the stored desired value, the control device 43 controls the roller pair 73 via the control line 73a in order to determine the actual value. Value to be changed in the direction of the setpoint.
  • control device 43 determines, for example, that the actual value of the humidity of the filter string 24 determined by the measuring device 37 deviates from the stored desired value, the control device 43 controls the climate chamber 70 via the control line 70a in order to obtain the actual value in Change direction to the setpoint.
  • a component of the filter bars or filter bar segments 78 having a color that significantly changes the optical absorption of visible light preferably one of the measuring wavelength of the optical measuring device 10 (see FIGS. 1 and 2 ) significantly different wavelength dyed.
  • the wavelength of the coloration is preferably less than 580 nm, more preferably less than 530 nm, and most preferably about 490 nm corresponding to cyan coloration.
  • a preferred alternative is a blue dye with wavelength less than 490 nm, for example an indigo dye such as indigo carmine or indigotine.
  • the component of the filter rod or filter rod segment 78 to be inked can preferably be the wrapping strip 21.
  • the filter manufacturing machine 40 comprises an inking device 19, for example at least one inking nozzle, for coloring the wrapping strip 21 with a preferably homogeneous, uniform and / or monochrome paint application.
  • an inking device 19 for example at least one inking nozzle, for coloring the wrapping strip 21 with a preferably homogeneous, uniform and / or monochrome paint application.
  • the coloring is preferably carried out continuously from one side edge to the opposite side edge, or to reduce the ink consumption discontinuously with intermittent interruptions, which ensures a reliable detection, even in the later processing process changed rotational angle position.
  • the inking device 19 is arranged with respect to the inside of the wrapping strip 21.
  • the outside of the Envelope strip 21 preferably not colored, so that the coloring for the consumer of the finished product does not interfere.
  • the inking device 19 preferably comprises a paint nozzle 99 and an example electrically or pneumatically operated inking pump 92.
  • the wrapping strip 21 is placed over a deflecting device 95 on the endless format tape 23.
  • the endless filter material fiber strand 4a is placed on the deflected wrapping strip 21 from above.
  • the format strip 23 is guided over a second deflection device 96 on a format background and serves to transport the wrapping strip 21 with the applied filter material fiber strand 4a during the further movement on the format background.
  • the format base itself is including unillustrated, arranged thereon cover strips with a shape through which a total shaping channel is formed by the wrapping strip 21 is wrapped around during the transport movement to the filter material fiber strand 4a and then glued together for fixing to the superimposed edges.
  • the gluing device 80 preferably comprises a glue nozzle 98 and an example electrically or pneumatically operated glue application pump 91.
  • a glue trace may be inked on the wrapping strip 21.
  • the gluing device 80 is adapted to apply colored glue or glue and paint.
  • the plasticizer for the filter tow can be colored.
  • the softening feeder 93, 36 is adapted to apply dyed plasticizer or plasticizer and paint. A trace-wise application of colored plasticizer, preferably through a nozzle or nozzle row, can reduce the ink consumption and still ensure reliable detection.
  • an already colored component of the filter rod manufacturing machine can be supplied, for example, an already colored wrapper strip or an already colored filler material.
  • the filter manufacturing machine 40 preferably comprises at least one in the conveying direction behind the device 19 for coloring the filter component arranged sensor 81, in particular a color sensor for detecting the coloration, in particular the strength, coverage and / or wavelength of the paint application.
  • the sensor 81 may be, for example, an optical sensor. By means of the sensor 81, the quality of the paint application can be monitored and advantageously regulated.
  • the signals detected by the sensor 81 are transmitted to the evaluation device 42 via a data line 81a for this purpose. If the control device 43 determines that the actual value of the ink application determined by the sensor 81 deviates from the stored desired value, the control device 43 advantageously controls the inking device 19 via the control line 19a in order to increase the actual value in the direction of the To change the setpoint.
  • the filter manufacturing machine 40 further preferably comprises a capsule sensor arranged, for example, in the region of the sensor 81 for detecting an aroma capsule arranged in the filter rod segment 78.
  • the filter manufacturing machine 40 is preferably a two-strand machine.
  • a separate associated dyeing device 19 and / or a separate associated color sensor 81 is provided for each filter strand.
  • a plant 100 for producing a multi-segment filter product from a plurality of filter rods is disclosed in US Pat FIG. 5 shown.
  • the plant 100 comprises a multi-segment filter production machine 3, which, for example, according to FIG. 1 and in particular comprises an optical measuring device 10, and in this case two filter rod or filter segment manufacturing machines 40a, 40b, which are provided for producing the different filter segments to be processed in the multi-segment filter manufacturing machine 3 into a filter.
  • At least one of the filter segment production machines 40a, 40b in this case has an inking device 19 for coloring a component of the corresponding filter rod or filter segment with a color that differs significantly from the optical absorption of visible light, in particular light of the optical measuring device 10, and is for example according to FIG FIG. 3 executed.
  • the system 100 may comprise an inclined bearing 101 with a handling means 102 for handling supports, entrances 105 mounted in the inclined bearing 101 and outlets 106 for emergencies and optionally at least one lifting and / or rotating station 108.
  • Each filter segment manufacturing machine 40a, 40b and the multi-segment filter manufacturing machine 3 is associated with a corresponding tray filler 103a, 103b, 104.
  • the multi-segment filter production machine 3 comprises three tray emptiers 107 for filling the storage containers 53.1, 53.2, 53.3 (see FIG FIG. 1 ) with filter rods from appropriate Schragen.
  • the multi-segment filter production machine 3 preferably comprises at least one sensor arrangement 87 in the group-forming device 2, ie in the filter rod segments cross-axially conveying section for detecting properties of individual filter rod segments for the purpose of an input control for the strand forming device 1.
  • the sensor assembly 87 comprises in particular a sensor 81 as in FIG. 3 to check if a filter rod segment to be processed is properly colored.
  • the sensor arrangement 87 preferably further comprises a capsule sensor for detecting an aroma capsule arranged in a filter rod segment.
  • the sensor arrangement 87 is in the example of FIG. 1 in the transfer unit 62 between each associated with a filter segment type Segmentzuzhouiseren 604, 605.1, 605.2 and the strand forming device 1.
  • one or more corresponding sensor arrangements 87 can be arranged in one or more segment feed units 604, 605.1, 605.2.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP13196823.2A 2012-12-20 2013-12-12 Dispositif de mesure et procédé de mesures pour un segment de tige de filtre de l'industrie de traitement du tabac, machine de fabrication de tiges de filtre, machine et installation de fabrication d'un produit de filtre multi-segments Withdrawn EP2745719A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012224089.6A DE102012224089A1 (de) 2012-12-20 2012-12-20 Messanordnung und Messverfahren für ein Filterstabsegment in der Tabak verarbeitenden Industrie, Maschine zum Herstellen von Filterstäben, Maschine und Anlage zur Herstellung eines Multisegmentfilterprodukts

Publications (1)

Publication Number Publication Date
EP2745719A1 true EP2745719A1 (fr) 2014-06-25

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EP13196823.2A Withdrawn EP2745719A1 (fr) 2012-12-20 2013-12-12 Dispositif de mesure et procédé de mesures pour un segment de tige de filtre de l'industrie de traitement du tabac, machine de fabrication de tiges de filtre, machine et installation de fabrication d'un produit de filtre multi-segments

Country Status (3)

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EP (1) EP2745719A1 (fr)
CN (1) CN103876279A (fr)
DE (1) DE102012224089A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015106347A1 (de) * 2015-04-24 2016-10-27 Hauni Maschinenbau Gmbh Strangmaschine der Tabak verarbeitenden Industrie und Verfahren zum Herstellen von Multisegmentstäben
EP3733000A4 (fr) * 2017-12-26 2021-08-18 Japan Tobacco Inc. Segment à filtres multiples, article à fumer pourvu d'un segment à filtres multiples et procédé d'inspection de segment à filtres multiples

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107303013B (zh) * 2016-04-20 2019-11-26 上海烟草集团有限责任公司 胶囊滤棒剥离装置、剥离方法以及胶囊位置检测方法
CN111074359B (zh) * 2017-12-25 2022-05-13 湖北金叶玉阳化纤有限公司 一种烟用过滤嘴棒过程中的彩色聚乳酸纤维的调节装置

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FR1257680A (fr) * 1960-02-20 1961-04-07 Rhodiaceta Procédé de fabrication de filtres colorés pour la fumée de tabac
CH372235A (de) * 1959-07-06 1963-09-30 Ver Tabakfabriken Ag Filter für Raucherwaren mit mindestens zwei verschiedenen, hintereinander angeordneten Abschnitten sowie Verfahren zu dessen Herstellung und Vorrichtung zur Durchführung des Verfahrens
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GB1443370A (en) * 1973-02-06 1976-07-21 Monsanto Ltd Cigarette filters
EP0246107A2 (fr) * 1986-05-14 1987-11-19 R.J. Reynolds Tobacco Company Tiges de cigarette et filtres avec des fibres obtenues à partir de matériaux en forme de feuille
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EP1427299B1 (fr) 2001-09-18 2006-10-04 Hauni Maschinenbau AG Dispositif pour l'assemblage de groupes de segments de filtre pour produire des filtres multisegments de l'industrie du tabac et tambour a auges
EP1557100B1 (fr) 2004-01-22 2008-10-08 Hauni Maschinenbau AG Inspection d'une tige de filtre
WO2009010380A2 (fr) * 2007-07-17 2009-01-22 British American Tobacco (Investments) Limited Filtre
US20120010059A1 (en) * 2010-07-08 2012-01-12 G.D S.P.A. Machine and method for manufacturing composite filters

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GB677156A (en) * 1949-12-13 1952-08-13 Paul Schechner Improvements in and relating to the manufacture of elements comprising a tube-enclosed core, e.g., plugs for cigarettes
CH372235A (de) * 1959-07-06 1963-09-30 Ver Tabakfabriken Ag Filter für Raucherwaren mit mindestens zwei verschiedenen, hintereinander angeordneten Abschnitten sowie Verfahren zu dessen Herstellung und Vorrichtung zur Durchführung des Verfahrens
FR1257680A (fr) * 1960-02-20 1961-04-07 Rhodiaceta Procédé de fabrication de filtres colorés pour la fumée de tabac
GB1030686A (en) * 1962-08-14 1966-05-25 Celanese Corp Process and apparatus for spraying liquids
GB1443370A (en) * 1973-02-06 1976-07-21 Monsanto Ltd Cigarette filters
EP0246107A2 (fr) * 1986-05-14 1987-11-19 R.J. Reynolds Tobacco Company Tiges de cigarette et filtres avec des fibres obtenues à partir de matériaux en forme de feuille
EP1427299B1 (fr) 2001-09-18 2006-10-04 Hauni Maschinenbau AG Dispositif pour l'assemblage de groupes de segments de filtre pour produire des filtres multisegments de l'industrie du tabac et tambour a auges
WO2003055338A2 (fr) * 2001-12-27 2003-07-10 Hauni Maschinenbau Ag Dispositif et systeme pour mesurer des proprietes de filtres a segments multiples et procede correspondant
US20050070409A1 (en) * 2003-09-12 2005-03-31 Deal Philip Andrew Method and apparatus for incorporating objects into cigarette filters
EP1557100B1 (fr) 2004-01-22 2008-10-08 Hauni Maschinenbau AG Inspection d'une tige de filtre
WO2009010380A2 (fr) * 2007-07-17 2009-01-22 British American Tobacco (Investments) Limited Filtre
US20120010059A1 (en) * 2010-07-08 2012-01-12 G.D S.P.A. Machine and method for manufacturing composite filters

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Publication number Priority date Publication date Assignee Title
DE102015106347A1 (de) * 2015-04-24 2016-10-27 Hauni Maschinenbau Gmbh Strangmaschine der Tabak verarbeitenden Industrie und Verfahren zum Herstellen von Multisegmentstäben
EP3085253B1 (fr) 2015-04-24 2018-05-02 Hauni Maschinenbau GmbH Machine de fabrication de tiges de l'industrie de traitement du tabac et procédé de fabrication de tiges a plusieurs segments
EP3733000A4 (fr) * 2017-12-26 2021-08-18 Japan Tobacco Inc. Segment à filtres multiples, article à fumer pourvu d'un segment à filtres multiples et procédé d'inspection de segment à filtres multiples
US11871782B2 (en) 2017-12-26 2024-01-16 Japan Tobacco Inc. Multifilter segment, smoking article with multifilter segment, and multifilter segment inspection method

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CN103876279A (zh) 2014-06-25

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