EP2286681B1 - Dispositif et procédé de formation d'un boudin de filtre de l'industrie de traitement du tabac - Google Patents

Dispositif et procédé de formation d'un boudin de filtre de l'industrie de traitement du tabac Download PDF

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Publication number
EP2286681B1
EP2286681B1 EP20100173019 EP10173019A EP2286681B1 EP 2286681 B1 EP2286681 B1 EP 2286681B1 EP 20100173019 EP20100173019 EP 20100173019 EP 10173019 A EP10173019 A EP 10173019A EP 2286681 B1 EP2286681 B1 EP 2286681B1
Authority
EP
European Patent Office
Prior art keywords
filter segments
suction
filter
wrapping material
recess
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
EP20100173019
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German (de)
English (en)
Other versions
EP2286681A1 (fr
Inventor
Jürgen Pehmöller
Jürgen Fiedler
Heiko Hoffleit
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
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2286681A1 publication Critical patent/EP2286681A1/fr
Application granted granted Critical
Publication of EP2286681B1 publication Critical patent/EP2286681B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • 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
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0287—Manufacture of tobacco smoke filters for filters with special features for composite filters
    • 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
    • A24C5/24—Pasting the seam

Definitions

  • the invention relates to a device for forming a filter strand of the tobacco processing industry filter segments, with a strand inlet for feeding the filter segments to a strand forming unit for wrapping the filter segments with a wrapping material strip, and with a closure device for closing the wrapping material strip.
  • the invention further relates to a method for forming a filter strand of the tobacco processing industry from filter segments, comprising the steps of: the filter segments are fed by means of a strand run of a strand forming unit and the filter segments are wrapped in the strand forming unit with a wrapping material strip, the wrapping material strip is then closed.
  • the object of the present invention is to improve devices and methods of the aforementioned kind.
  • a device for forming a filter strand of the tobacco processing industry from filter segments in particular for forming a Multifilterstrangs at least partially carbon filter particles and / or other granules having filter segments, with a strand inlet for feeding the filter segments to a strand forming unit for wrapping the filter segments with a Envelope material strip, and with a closing device for closing the wrapping material strip, characterized by a suction device arranged in front of the closing device for sucking air from the environment of the filter segments, wherein the suction device in the region of Strangeinlaufs, in particular in the region of an inlet finger of the strand inlet, further in particular seen in the conveying direction between a beginning of the inlet finger and the closing device, arranged, wherein the inlet finger on the one hand to the leading filter segments n facing guide side, which has a surface curvature of the leading filter segments adapted to guide surface, and on the other hand has a recess formed in its guide surface, wherein the recess is
  • the invention includes the recognition that particulates, in particular on the surface of the filter segments and / or on the surface of the wrapping material strip, may interfere with the closing of the wrapping material strip or at least may impair the appearance of the closed wrapping material strip, particularly in the region of its seam.
  • These particles may in particular be coal particles made of carbon particle-enriched filter segments, which are also referred to as charcoal filters, or else other granules.
  • the invention further includes the recognition that such particles adhere with a certain force to the surface of the filter segments and / or on the surface of the wrapping material strip. With the aid of the aspiration of air according to the invention from the surroundings of the filter segments, this force is now overcome, so that the particles detach from the surface of the filter segments and / or on the surface of the wrapping material strip.
  • a suction strength of the suction device is designed to suck off carbon particles, in particular adhering to the filter segments and / or the wrapping material strip, which are used in currently customary charcoal filters.
  • the invention can also be applied to today's machine speeds, in which the filter segments move in the strand intake with at least about 400m / min.
  • the number of carbon particles trapped in the seam of the wrapping material strip has been reduced by a factor of about 100.
  • the positions represent advantageous positions of the suction device, since the invention has recognized that the Flitersegmente when entering the strand inlet, in particular in the inlet fingers, forces are exposed, which in particular disturbing particles, especially the coal particles mentioned, from the filter segments, especially if this is Charcoal filter, solve. These particles therefore occur in this area increasingly, so that a suction is useful, especially in this area.
  • the suction device may advantageously have a suction tube opening into the suction channel, which is advantageously arranged in an acute angle formed between a conveying direction of the inlet finger and a conveying direction of the suction tube, preferably at an angle from 30-60 degrees, more preferably from 45-60 degrees.
  • This recess cooperates extremely advantageously with the suction device described above, since the invention has recognized that the filter segments when entering the strand inlet, in particular in the inlet finger, are acted upon by this with a pressure which is caused in particular by the so-called format strip, which Press filter segments from below on the strand inlet or inlet finger. Due to the recess according to the invention, this pressure on the filter segments is suddenly released, which results in a kind of trampoline effect. The surface of the filter segments or possibly also the surface of the wrapping material strips abruptly lifts when they enter the recess, so that the pressure on the Particle filter particles overcome the force with which they adhere to the respective surfaces and detach from the respective surfaces.
  • the negative pressure provided for suction is preferably set such that, on the one hand, only a tolerable number of particles remain on the surface of the filter segments and / or on the surface of the wrapping material strip, and on the other hand damage to the filter segments and / or the wrapping material strip is avoided by the negative pressure.
  • the invention can be developed by forming the closing device for closing the wrapping material strip along a seam, and wherein the suction device is designed to suck air from an angle section of the filter segments intended for the seam.
  • the recess preferably has a, seen in the conveying direction preferably at the beginning of the recess, the deepest depth of about 1-4 mm and / or a length of about 0.5 to 2 cm. These measures have been found to be optimal for dissolving those carbon particles found in current Charcoal filters.
  • the recess has a variable depth, preferably a downstream, more preferably continuously, decreasing variable depth.
  • a method for forming a filter strand of the tobacco processing industry from filter segments comprising the steps: the filter segments are fed by means of a strand run a strand forming unit, the filter segments are in the strand forming unit is wrapped with a wrapping material strip, the wrapping material strip is closed, characterized in that before closing the wrapping material strip, a suction of air from the environment of the filter segments is made, wherein a suction device in the region of the strand inlet, in particular in the region of an inlet finger of the strand inlet on especially in the conveying direction Seen between a start of the inlet finger and the closing device, arranged, wherein the inlet finger on the one hand to leading filter segments facing the guide side, which has a surface curvature of the filter segments to be guided adapted guide surface, and on the other has a recess formed in its guide surface, wherein
  • the reces formed in its guide surface
  • the method according to the invention can be developed by guiding the filter segments in the strand inlet by means of an inlet finger.
  • the wrapping material strip is closed along a seam and the suction of air from a section provided for the seam is carried out from the surroundings of the filter segments.
  • a pressure acting on the filter segments preferably abruptly, is changed, preferably reduced. It is advantageous if the suction is carried out in the region of the change in pressure.
  • FIG. 1 shows a schematic side view of a first embodiment of the invention.
  • the device shown is a device 1 for forming a filter strand of the tobacco processing industry from in FIG. 7
  • the device 1 has a strand inlet 2 for feeding the filter segments 3 to a strand forming unit 4 for wrapping the filter segments 3 with a in FIG. 7 shown wrapping material strip 5, wherein the strand inlet 2 itself is part of the strand forming unit 4.
  • the strand forming unit at least one further downstream, in the FIG. 1 Closing device 6 shown on the left side for closing the wrapping material strip 5.
  • the device 1 also has a suction device 8 arranged in front of the closing device 6 for sucking air from the environment of the filter segments 3 entering the strand inlet 2 of the strand forming unit 4.
  • the strand forming unit 4 further comprises a strand channel 10, which, as in FIG. 1 arranged by dots, to the left, ie downstream, can continue.
  • the suction device 8 in the region of the strand inlet 2 and in particular very front in the region of the strand inlet 2, ie in the FIG. 1 right at the beginning of the strand inlet 2, upstream of the closing device 6 is arranged.
  • the suction strength of the suction device 8 is designed to suck off carbon particles adhering to filter segments 3 and / or to wrapping material strips 5 of the tobacco processing industry.
  • the suction device 8 may also be designed to suck off other adhering to the filter segments 3 and / or the wrapping material strip 5 granules.
  • the suction device 8 has a suction tube 12.
  • the suction tube 12 of the suction device 8 opens with its strandkanal remedyen end, as in the in FIG. 2 shown perspective view from below of the suction device 8 can be seen in a suction channel 14.
  • the strand channel 10 is omitted in order to look into the suction channel 14 from below.
  • the downstream end 16 is on the right.
  • the suction channel 14 is closed only in a first portion 18 on the strand channel 10 side facing away from the opening for the suction tube 12, while the suction channel 14 is partially open in a second portion 20 on the strand channel 10 side facing away.
  • suction channel 14 at its in the FIG. 2 also shown left, upstream end also be closed.
  • the suction tube 12 of the suction device 8 opens in a manner in the suction channel 14, that the suction device 8 for sucking air from a seam, along which the wrapping material strip 5 of the closing is closed, provided angle portion of the filter segments 3 and the strand channel 10, in which the filter segments 3 move, is formed.
  • FIG. 2 illustrated embodiment sucks the suction tube 12 of the suction device 8, the air from a lying above the strand channel 10 located in the filter segments 3, about 60 degrees comprehensive angle section.
  • the suction pipe 12 of the suction device 8 is according to FIG. 1 in a strommother between in the FIG. 1 from right to left running conveying direction of the strand channel 10 and a direction indicated by the arrow 22 conveying direction of the suction tube 12 formed acute angle of about 60 degrees.
  • other acute angles of 30 to 60 degrees, preferably from 45 to 60 degrees, can be selected.
  • FIG. 3 shows a schematic side view of a part of a second embodiment of the device according to the invention.
  • the inlet finger 24 has a in the FIG. 3 right beginning 26 and one in the FIG. 3 left end 28 shown on. The beginning 26 is upstream, while the end 28 is downstream.
  • moving filter segments 3 or other articles of the tobacco processing industry come into contact with a bottom 29 of the inlet finger 24.
  • This bottom 29 is in the FIG. 4 for a front part 30 of the inlet finger 24 shown in perspective from below.
  • the underside 29 is formed as a leading to the filter segments 3 leading side or guide surface 29.
  • the guide surface on a convex surface curvature, which is adapted to leading filter segments 3. This convex surface curvature is for example in the FIG. 6 clearly visible.
  • the inlet finger 24 in the front region 30 has a trained in its guide surface 29 Recess 32.
  • the region of the recess is also a reduction in the width W of the guide surface 29 according to FIG. 4 available.
  • FIG. 5 shows a schematic sectional view of the second embodiment of the invention.
  • the suction tube 12 of the suction device 8 is located on a side of the inlet finger 24 facing away from the guide surface 29 of the inlet finger 24.
  • the suction device 8 or its suction tube 12 continues to cooperate with its suction channel 14.
  • the inlet finger 24 is for this purpose, as in FIG. 5 is shown schematically positioned in the suction channel 14.
  • the recess 32 in the inlet finger 24 is sufficiently deep to allow dissolution of carbon particles and / or other granules adhering to the filter segments 3 and / or the wrapping material strip 5.
  • the recess 32 is at least partially below the opening of the suction tube 12.
  • the deepest depth of the recess 32 is seen in the conveying direction, ie, for example, in the FIG. 5 seen from right to left, at the beginning of the recess 32 and is about 2 mm.
  • the length of the recess 32 is about 2 cm.
  • the recess 32 has a variable depth, as for example in the FIG. 3 is shown schematically. The depth of the recess 32 decreases downstream from continuously, as seen from FIG. 3 evident.
  • the filter segments 3 are fed by means of the strand inlet 2 of the strand forming unit 4, in the strand forming unit 4 with a wrapping material strip 5 is wrapped, wherein the wrapping material strip 5 is closed in the closing device 6, wherein before closing the wrapping material strip 5, a suction of air from the environment of the filter segments 3 in the strand channel 10 by means of the suction device 8 is made.
  • the suction of the air by means of the suction device 8 and in particular the suction tube 8 of the suction takes place along the seam, along which the wrapping material strip 5 is closed, the air approximately in an angular range of 60 degrees above the located in the strand channel 10 filter segments 3 in particular is made from the region of the recess 32 in the inlet finger 24 below the suction tube 12.
  • the filter segments 3 in the strand channel 10 according to FIG. 1 run in from the right and then according to FIG. 5 led from the beginning 26 of the guide surface 29 of the inlet finger 24 and also easily pressed into the strand channel 10, it comes when entering the filter segments 3 in the area below the recess 32 of the inlet finger 24 to a sudden reduction of the not in the region of the recess 32 As a result of this sudden pressure reduction, the corresponding filter segment 3 also expands abruptly in the region of the recess 32, so that correspondingly located on the filter segments 3 coal particles or other granules directed away from the filter segment 3 away Impulse in the direction of the suction tube 12 of the suction experienced, from which these particles or granules can then be sucked.
  • FIG. 6 shows a view from the front, in the FIG. 5 from the right, to the second embodiment of the invention according to FIG. 5 , Clearly visible is the convex shape of the guide surface 29 of the inlet finger 24th
  • FIG. 7 shows a schematic sectional view through a filter segment 3, which standard has an envelope strip 3a.
  • the filter segment 3 is furthermore shown with a wrapping material strip 5 wound around the filter segment 3 and almost closed along its seam. Above the resulting Seam is schematically indicated the minimum and maximum angular range, from which the air is sucked from the suction device 8.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Claims (13)

  1. Dispositif de formation d'un tube de filtre de l'industrie de transformation du tabac à partir de segments de filtre (3), en particulier pour la formation d'un tube multifiltres à partir de segments de filtre (3) présentant au moins en partie des particules de filtre à charbon, dispositif comprenant
    une entrée de tubes (2) pour acheminer les segments de filtre à une unité de formation de tubes (4) destinée à envelopper les segments de filtre au moyen d'une bande de matériau de gainage (5), et
    un dispositif de fermeture (6) destiné à fermer la bande de matériau de gainage (5),
    caractérisé par un dispositif d'aspiration (8) disposé en amont du dispositif de fermeture (6) et destiné à aspirer de l'air provenant du milieu environnant les segments de filtre,
    le dispositif d'aspiration (8) étant disposé dans la région d'un doigt d'entrée (24) de l'entrée de tubes (2),
    le doigt d'entrée présentant une face de guidage orientée vers les segments de filtre (3) à guider, laquelle présente une surface de guidage (29) adaptée à une courbure de surface des segments de filtre à guider, et
    le doigt d'entrée présentant un évidement (32) formé dans sa surface de guidage (29),
    l'évidement (32) étant suffisamment profond pour permettre un détachement des particules de charbon adhérant aux segments de filtre (3) et/ou à la bande de matériau de gainage (5).
  2. Dispositif selon la revendication 1, dans lequel le dispositif de fermeture (6) est conçu pour fermer la bande de matériau de gainage (5) le long d'un cordon, et
    dans lequel le dispositif d'aspiration (8) est conçu pour aspirer de l'air provenant d'un secteur angulaire des segments de filtre prévu pour le cordon.
  3. Dispositif selon l'une des revendications 1 ou 2, dans lequel le dispositif d'aspiration (8) est disposé dans la région de l'entrée de tubes (2).
  4. Dispositif selon l'une des revendications 1 à 3, dans lequel on déploie une force d'aspiration du dispositif d'aspiration (8) permettant d'aspirer des particules de charbon adhérant en particulier aux segments de filtre (3) et/ou à la bande de matériau de gainage (5).
  5. Dispositif selon l'une des revendications 1 à 4, dans lequel le dispositif d'aspiration (8) est disposé, vu dans la direction de transport, entre une tête (26) du doigt d'entrée (24) et le dispositif de fermeture (6).
  6. Dispositif selon l'une des revendications 1 à 5, dans lequel le doigt d'entrée présente une face de guidage orientée vers les segments de filtre (3) à guider, qui comporte une surface de guidage (29), de préférence concave, adaptée à une courbure de surface, de préférence convexe, des segments de filtre à guider, et
    dans lequel le dispositif d'aspiration (8) coopère avec un canal d'aspiration (14) formé au moins sur une face du doigt d'entrée (24) opposée à la surface de guidage (29), présentant de préférence une section transversale aussi réduite que possible, plus préférablement fermée en amont.
  7. Dispositif selon la revendication 6, dans lequel le dispositif d'aspiration (8) présente un tube d'aspiration (12) débouchant dans le canal d'aspiration (14).
  8. Dispositif selon la revendication 7, dans lequel le tube d'aspiration (12) est disposé en formant un angle aigu en aval entre une direction de transport (22) du doigt d'entrée (24) et une direction de transport (22) du tube d'aspiration (12), de préférence compris entre 30 et 60 degrés, plus préférablement entre 45 et 60 degrés,
  9. Dispositif selon l'une des revendications précédentes, dans lequel la courbure de surface des segments de filtre à guider est convexe et/ou la surface de guidage (29) est concave.
  10. Dispositif selon l'une des revendications 1 à 9, dans lequel l'évidement (32) a une profondeur maximale, au niveau de la tête (26) de l'évidement (32), vu de préférence dans la direction de transport, d'environ 1 à 4 mm et/ou une longueur d'environ 0,5 à 2 cm.
  11. Dispositif selon l'une des revendications 1 à 10, dans lequel l'évidement (32) présente une profondeur variable, de préférence une profondeur variable allant en diminuant vers l'aval, de préférence de manière continue.
  12. Dispositif selon l'une des revendications 1 à 11, dans lequel l'évidement (32) est situé dans la région du dispositif d'aspiration (8), de préférence en dessous.
  13. Procédé pour former un tube de filtre de l'industrie de transformation du tabac à partir de segments de filtre (3), en particulier pour former un tube multifiltres à partir de segments de filtre (3) présentant au moins en partie des particules de filtres à charbon et/ou du granulat, comprenant les étapes suivantes :
    - les segments de filtre sont amenés à une unité de formation de tubes (4) via une entrée de tubes (2),
    - les segments de filtre sont enveloppés d'une bande de matériau de gainage dans l'unité de formation de tubes (4),
    - la bande de matériau de gainage est fermée,
    caractérisé en ce qu'avant une fermeture de la bande de matériau de gainage (5), on procède à une aspiration d'air provenant du milieu environnant les segments de filtre,
    un dispositif d'aspiration (8) étant disposé dans la région d'un doigt d'entrée de l'entrée de tubes (2),
    le doigt d'entrée présentant une face de guidage orientée vers les segments de filtre (3) à guider, laquelle présente une surface de guidage (29) adaptée à une courbure de surface des segments de filtre à guider, et
    le doigt d'entrée présentant un évidement (32) formé dans sa surface de guidage (29),
    l'évidement (32) étant suffisamment profond pour permettre un détachement de particules de charbon adhérant aux segments de filtre (3) et/ou à la bande de matériau de gainage (5).
EP20100173019 2009-08-18 2010-08-17 Dispositif et procédé de formation d'un boudin de filtre de l'industrie de traitement du tabac Not-in-force EP2286681B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009037685A DE102009037685A1 (de) 2009-08-18 2009-08-18 Vorrichtung und Verfahren zum Bilden eines Filterstrangs der tabakverarbeitenden Industrie

Publications (2)

Publication Number Publication Date
EP2286681A1 EP2286681A1 (fr) 2011-02-23
EP2286681B1 true EP2286681B1 (fr) 2013-10-02

Family

ID=43066875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100173019 Not-in-force EP2286681B1 (fr) 2009-08-18 2010-08-17 Dispositif et procédé de formation d'un boudin de filtre de l'industrie de traitement du tabac

Country Status (4)

Country Link
EP (1) EP2286681B1 (fr)
JP (1) JP2011036245A (fr)
CN (1) CN101991190A (fr)
DE (1) DE102009037685A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018046410A1 (fr) 2016-09-06 2018-03-15 International Tobacco Machinery Poland Sp. Z O.O. Unité de nettoyage, machine utilisée dans l'industrie du tabac pour produire des tiges de filtre à segments multiples et procédé de nettoyage d'un train d'éléments de type tige

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
GB620441A (en) * 1947-01-17 1949-03-24 Felix Frederic Ruau Improvements in or relating to cigarette-making machines of the continuous rod type
GB1085654A (en) * 1963-05-09 1967-10-04 Tom Rowlands Apparatus for the production of continuous composite mouthpiece rods
DE2127293C3 (de) * 1971-06-02 1980-07-31 Hauni-Werke Koerber & Co Kg, 2050 Hamburg Vorrichtung zum Auftragen eines Weichmachers auf einen fortlaufenden Streifen von ausgebreitetem Filtertau zur Herstellung von Filtern für stabförmige Artikel der tabakverarbeitenden Industrie
CH613850A5 (fr) * 1976-11-26 1979-10-31 Baumgartner Papiers Sa
DE3742250A1 (de) 1987-12-12 1989-06-22 Hauni Werke Koerber & Co Kg Vorrichtung zum elektrischen perforieren einer bewegten huellmaterialbahn fuer zigaretten oder andere stabfoermige rauchartikel
US6511549B1 (en) * 2001-08-17 2003-01-28 Philp Morris Incorporated Vacuum cleaning wheel and vacuum applicator
US6805174B2 (en) * 2002-07-31 2004-10-19 Philip Morris Usa Inc. Dual station applicator wheels for filling cavities with metered amounts of particulate material
EP1571933B1 (fr) * 2002-12-19 2007-03-21 Filtrona International Limited Procede et appareil de remplissage a vitesse elevee de filtres composites de cigarettes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018046410A1 (fr) 2016-09-06 2018-03-15 International Tobacco Machinery Poland Sp. Z O.O. Unité de nettoyage, machine utilisée dans l'industrie du tabac pour produire des tiges de filtre à segments multiples et procédé de nettoyage d'un train d'éléments de type tige

Also Published As

Publication number Publication date
JP2011036245A (ja) 2011-02-24
CN101991190A (zh) 2011-03-30
DE102009037685A1 (de) 2011-03-03
DE102009037685A8 (de) 2011-06-01
EP2286681A1 (fr) 2011-02-23

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