EP1886589A1 - Vorrichtung zur Behandlung von in Tabakprodukten verwendeten Filtermaterialien - Google Patents

Vorrichtung zur Behandlung von in Tabakprodukten verwendeten Filtermaterialien Download PDF

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Publication number
EP1886589A1
EP1886589A1 EP07113753A EP07113753A EP1886589A1 EP 1886589 A1 EP1886589 A1 EP 1886589A1 EP 07113753 A EP07113753 A EP 07113753A EP 07113753 A EP07113753 A EP 07113753A EP 1886589 A1 EP1886589 A1 EP 1886589A1
Authority
EP
European Patent Office
Prior art keywords
stream
filter material
nozzles
table element
fluid
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.)
Granted
Application number
EP07113753A
Other languages
English (en)
French (fr)
Other versions
EP1886589B1 (de
Inventor
Fiorenzo Draghetti
Ivan Eusepi
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.)
GD SpA
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GD SpA
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Filing date
Publication date
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Publication of EP1886589A1 publication Critical patent/EP1886589A1/de
Application granted granted Critical
Publication of EP1886589B1 publication Critical patent/EP1886589B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe

Definitions

  • the present invention relates to a device for the treatment of filter material utilized in tobacco products, typically cigarettes.
  • the manufacture of filter tips for cigarettes involves processing a filter material consisting for instance in a ribbon or stream of fibrous cellulose acetate tow, which is stretched initially, then impregnated with plasticizers, and finally gathered around a central axis to form a continuous rod, which is enveloped in a paper plugwrap.
  • the impregnating step takes place as the stretched ribbon is directed through special treatment devices designed to invest the advancing material with a flow of plasticizer, typically triacetin, which at the normal operating temperature and pressure of the treatment devices will remain in the liquid state. Accordingly, the ribbon is sprayed with a flow of liquid consisting in particles of predetermined quantity and size, in such a manner that a prescribed quantity of the triacetin will be absorbed.
  • plasticizer typically triacetin
  • Prior art type devices used to implement the step in question comprise a container, or bath, holding a predetermined quantity of triacetin, and a revolving brush partly immersed in the triacetin, which when set in rotation at a normal operating speed will project a flow of liquid droplets toward a ribbon of cellulose acetate advancing in close proximity.
  • both of the aforementioned devices present a major drawback, associated with the difficulty of regulating the quantity of triacetin delivered in such a way as to maintain a uniform distribution of the plasticizer over the filter material.
  • the quantity cannot be regulated either by varying the flow rate of the plasticizer, in the case of the nozzles, or by increasing the speed of rotation in the case of the brush, as this would produce a change in the size of the triacetin particles delivered ultimately to the target.
  • the object of the present invention is to provide a device for the treatment of filter material used in tobacco products, such as will be unaffected by the drawbacks mentioned above.
  • the object of the invention is to provide a device for treating filter material used in tobacco products, such as will allow of regulating the quantity of triacetin delivered, and maintaining a uniform distribution of the plasticizer over the ribbon or stream of filter material.
  • a further object of the invention is to provide a device for the treatment of filter material used in tobacco products, having the merits of simplicity in construction and a low cost of realization.
  • numeral 1 denotes a device, in its entirety, for treating filter material used in tobacco products, in accordance with the present invention.
  • the device 1 is applicable to machines 100 used in the manufacture of filters for tobacco products, and for cigarettes in particular, substantially of the type illustrated in figure 1.
  • Such machines 100 comprise a magazine 101 holding filter material, and more exactly containing one or more bales 102 of filter material, of which one only is illustrated in figure 1.
  • Two respective fibrous tows 103 are drawn from the bales 102 and directed by means of conventional guide devices toward a station at which the filter material is processed.
  • the filter material passes through a processing station comprising at least one blower device 104 of conventional type, producing a flow of air by which the fibrous tows 103 are expanded and formed into continuous streams "F" of given width.
  • the processing station will comprise three such blower devices 104, stationed along a feed line "L" as illustrated in figure 1.
  • the aforementioned processing station further comprises a device 1 according to the present invention for treating the filter material, located downstream of the blower devices 104, by which the continuous streams "F" of fibrous tow are taken up and plasticized through impregnation with a suitable plasticizer fluid.
  • the treated streams "F" advance thereafter toward a transfer device 105 by which the continuous tows are taken up on the infeed side, gathered each about a respective centre axis, and caused to emerge on the outfeed side in the form of ropes 106, each advancing above a corresponding web 107 of previously gummed paper, and finally wrapped in the gummed webs 107 to fashion respective rods 108 of filter material.
  • the rods 108 obtained in this way are fed toward a device 109 that will test their density, thence to a cutter head 110 by which the selfsame rods 108 are divided transversely into respective successions of plugs, not illustrated.
  • the device 1 according to the present invention for treating filter material used in tobacco products indicated in the central part of figure 1, will now be described in detail.
  • the device 1 comprises feed means (conventional in embodiment and therefore not illustrated in detail) by which the continuous stream "F" of fibrous tow is caused to advance along a predetermined path denoted "A".
  • the device 1 further comprises at least one delivery unit 3 from which a plasticizer fluid "P”, such as triacetin, is directed at a surface 2 of the stream "F".
  • a plasticizer fluid "P" such as triacetin
  • the delivery unit 3 is placed below the stream "F” of fibrous tow, so as to project the fluid "P” upwardly at the stream “F” as it advances in a longitudinal feed direction denoted "A" in figure 2.
  • control means 4 serving to regulate the quantity of fluid "P" directed at the stream “F” of fibrous tow, acting on the delivery unit 3 in such a way as to adjust its position relative to the path followed by the stream "F".
  • Such control means 4 comprise at least one table element 5, also a plurality of spray nozzles 6 carried by the table element and forming part of the delivery unit 3, by which the aforementioned fluid "P" is projected at the stream "F” of fibrous tow as an array of respective liquid cones.
  • the table element 5 is capable of movement between a first operating position, in which the nozzles 6 lie entirely within the transverse dimensional limits of the stream "F" (figure 3c), as defined by two longitudinal edges 7 of the selfsame stream "F", and at least a second operating position in which at least certain of the nozzles 6 are located outside the selfsame transverse dimensional limits (figures 3a and 3b).
  • the table element 5 presents a surface 8 directed toward the aforementioned surface 2 of the stream "F”, and referable to a predominating longitudinal dimension that extends transversely to the longitudinal feed direction "A".
  • the multiple spray nozzles 6 carried by the table element 5 are arranged in close order along the full length of the surface 8 presented by the element.
  • Figure 3c shows the table element 5 occupying the first operating position, in which all of the nozzles 6 are located within the transverse dimensional limits of the stream "F", so that a greater quantity of fluid "P" is directed at the filter material.
  • Figure 3b shows the table element 5 occupying an intermediate operating position, in which more of the nozzles 6 are located within the transverse dimensional limits of the stream "F" than is the case in the second position.
  • the movement of the table element 5 is effected by inducing rotation about a respective fulcrum point 10, in such a way as to position the ends 9 internally or externally of the longitudinal edges 7 of the stream "F".
  • control means 4 include motion-inducing means 11 by which the table element 5 is made to rotate between the first and second position, pivoting on the fulcrum point 10, the fulcrum being located on a median line of the table element 5.
  • such motion-inducing means 11 present a substantially vertical shaft 12 of which a first end 12a is fixed to the table element 5 at the fulcrum point 10, and a second end 12b opposite to the first end 12a is associated with a respective motor 13.
  • the device 1 comprises a collection tank 14 positioned with an open cavity facing toward the advancing stream "F" of fibrous tow.
  • the tank 14 functions as a channel 15 in which to catch the fluid "P" delivered by the nozzles 6 when not absorbed by the stream "F".
  • the device 1 further comprises a pair of apron elements 16, each interposed between one end 9 of the surface 8 and a longitudinal edge 7 of the stream "F".
  • each apron element 16 is associated with a relative side wall of the tank 14 and located below the level of the stream "F", presenting one respective edge 16a in alignment with the corresponding longitudinal edge 7.
  • each apron element 16 is directed toward the nozzles 6 located at one respective end 9 of the table element 5 when in the second operating position.
  • the quantity of fluid "P" directed at the stream “F” of fibrous tow is regulated by inducing motion in the table element 5.
  • the table 5 it becomes possible to include a greater or lesser number of nozzles 6 within the transverse dimensional limits of the stream "F", and at the same time increase or reduce the overlap between areas targeted by the single spray cones. Accordingly, the quantity of fluid "P" directed at the stream “F” can be regulated without altering the flow rate, thus maintaining a uniform distribution of the fluid "P" along and across the stream.
  • the device 1 is structurally simple, as also is the step of regulating the flow of plasticizer fluid, accomplished simply by rotating the table element 5.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP07113753A 2006-08-11 2007-08-03 Vorrichtung zur Behandlung von in Tabakprodukten verwendeten Filtermaterialien Not-in-force EP1886589B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000601A ITBO20060601A1 (it) 2006-08-11 2006-08-11 Dispositivo per il trattamento di materiale filtrante per articoli da fumo.

Publications (2)

Publication Number Publication Date
EP1886589A1 true EP1886589A1 (de) 2008-02-13
EP1886589B1 EP1886589B1 (de) 2010-04-14

Family

ID=38666882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07113753A Not-in-force EP1886589B1 (de) 2006-08-11 2007-08-03 Vorrichtung zur Behandlung von in Tabakprodukten verwendeten Filtermaterialien

Country Status (4)

Country Link
EP (1) EP1886589B1 (de)
AT (1) ATE463965T1 (de)
DE (1) DE602007005882D1 (de)
IT (1) ITBO20060601A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110272A1 (it) * 2011-05-16 2012-11-17 Gd Spa Dipositivo per il trattamento di materiale filtrante per articoli da fumo.
WO2016009555A1 (ja) * 2014-07-18 2016-01-21 日本たばこ産業株式会社 シガレットフィルタの製造装置および製造方法
EP3011847A1 (de) * 2014-10-24 2016-04-27 G.D Societa' per Azioni Einheit und verfahren zum aufbringen eines zusatzstoffes auf eine maschine zur herstellung von zigarettenfiltern

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041482A1 (de) 1980-05-30 1981-12-09 TABU S.p.A. Einrichtung zum Sprühen von Klebstoff oder Farbe auf kontinuierlich durchlaufendes Tafelmaterial
EP1106087A2 (de) * 1999-12-08 2001-06-13 Hauni Maschinenbau AG Verfahren und Vorrichtung zum Zuführen eines vorzugsweise flüssigen Zusatzstoffes
EP1389433A1 (de) * 2002-08-16 2004-02-18 Hauni Maschinenbau AG Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial
WO2005035141A1 (en) * 2003-10-13 2005-04-21 Cos.T.A. S.R.L. Method for the continuous application of a compound on a moving body and a corresponding system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041482A1 (de) 1980-05-30 1981-12-09 TABU S.p.A. Einrichtung zum Sprühen von Klebstoff oder Farbe auf kontinuierlich durchlaufendes Tafelmaterial
EP1106087A2 (de) * 1999-12-08 2001-06-13 Hauni Maschinenbau AG Verfahren und Vorrichtung zum Zuführen eines vorzugsweise flüssigen Zusatzstoffes
EP1389433A1 (de) * 2002-08-16 2004-02-18 Hauni Maschinenbau AG Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial
WO2005035141A1 (en) * 2003-10-13 2005-04-21 Cos.T.A. S.R.L. Method for the continuous application of a compound on a moving body and a corresponding system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110272A1 (it) * 2011-05-16 2012-11-17 Gd Spa Dipositivo per il trattamento di materiale filtrante per articoli da fumo.
WO2012156911A1 (en) * 2011-05-16 2012-11-22 G.D S.P.A. Device for the treatment of filter material for tobacco products
CN103648309A (zh) * 2011-05-16 2014-03-19 吉地股份公司 用于处理烟草制品用的滤嘴材料的装置
CN103648309B (zh) * 2011-05-16 2015-10-07 吉地股份公司 用于处理烟草制品用的滤嘴材料的装置
RU2606079C2 (ru) * 2011-05-16 2017-01-10 Г.Д С.П.А. Устройство для обработки фильтрующего материала для табачных изделий
WO2016009555A1 (ja) * 2014-07-18 2016-01-21 日本たばこ産業株式会社 シガレットフィルタの製造装置および製造方法
CN106572697A (zh) * 2014-07-18 2017-04-19 日本烟草产业株式会社 香烟过滤嘴的制造装置以及制造方法
JPWO2016009555A1 (ja) * 2014-07-18 2017-04-27 日本たばこ産業株式会社 シガレットフィルタの製造装置および製造方法
EP3170411A4 (de) * 2014-07-18 2018-03-14 Japan Tobacco, Inc. Vorrichtung und verfahren zur herstellung eines zigarettenfilters
EA033296B1 (ru) * 2014-07-18 2019-09-30 Джапан Тобакко Инк. Устройство для изготовления и способ изготовления сигаретного фильтра
EP3011847A1 (de) * 2014-10-24 2016-04-27 G.D Societa' per Azioni Einheit und verfahren zum aufbringen eines zusatzstoffes auf eine maschine zur herstellung von zigarettenfiltern

Also Published As

Publication number Publication date
ITBO20060601A1 (it) 2006-11-10
EP1886589B1 (de) 2010-04-14
DE602007005882D1 (de) 2010-05-27
ATE463965T1 (de) 2010-04-15

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