EP1389433B1 - Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial - Google Patents

Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial Download PDF

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Publication number
EP1389433B1
EP1389433B1 EP02018460A EP02018460A EP1389433B1 EP 1389433 B1 EP1389433 B1 EP 1389433B1 EP 02018460 A EP02018460 A EP 02018460A EP 02018460 A EP02018460 A EP 02018460A EP 1389433 B1 EP1389433 B1 EP 1389433B1
Authority
EP
European Patent Office
Prior art keywords
additive
filter material
filter
application
nozzle
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.)
Expired - Lifetime
Application number
EP02018460A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1389433A1 (de
Inventor
Jürgen Pehmöller
Stephan Wolff
Irene Maurer
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30470271&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1389433(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to AT02018460T priority Critical patent/ATE377361T1/de
Priority to EP02018460A priority patent/EP1389433B1/de
Priority to DE50211168T priority patent/DE50211168D1/de
Priority to JP2003281952A priority patent/JP4384882B2/ja
Priority to PL361584A priority patent/PL208639B1/pl
Priority to CNB031540740A priority patent/CN100425172C/zh
Priority to US10/641,159 priority patent/US7261681B2/en
Publication of EP1389433A1 publication Critical patent/EP1389433A1/de
Publication of EP1389433B1 publication Critical patent/EP1389433B1/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A24D3/0204—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

Definitions

  • the invention relates to a method and a device for supplying a, preferably liquid, additive to a moving, spread web of filter material of the tobacco processing industry by means of at least one applicator member, wherein the additive is supplied via an application surface or can be fed. Furthermore, the invention relates to an apparatus for producing filter rods for rod-shaped articles of the tobacco processing industry.
  • Filter Tov which consists mostly of cellulose acetate, withdrawn from a supply as an endless strip and treated.
  • the filter tow consists of a fabric of loosely adhering threads, which are pulled apart to form a broad and mostly flat web, so that the threads are moved side by side and substantially parallel.
  • the propagation of the web takes place in a spreader nozzle.
  • the web is fed an additive, which is usually liquid and consists for example of triacetin droplets, in finely divided form.
  • the droplets dissolve the threads, so that the threads after their summary to a round strand and wrapping with a filter paper strip in a filter rod machine permanently adhering to each other, that are networked.
  • an additive consisting of a finely divided powdery substance can also be used. Processing equipment of the type described above are in the patents US 5 060 664 and US 4 511 420 described.
  • a device for the application of an intermediate fiber binder liquid is described on a sliver, wherein the application by means of a spraying device for spraying the binder liquid in a chamber against the running through a transport means sliver takes place.
  • a spraying device for spraying the binder liquid in a chamber against the running through a transport means sliver takes place.
  • shutters for limiting a spraying area in the zone are provided between the spraying device and a cylinder arranged in which the sliver is in contact with the cylinder.
  • the apertures are adjustable to limit the area of the zone where the tape is sprayed with the binder.
  • the object underlying the invention is to provide the filter material uniformly with an additive, wherein it should be possible to easily adjust the application rate of the additive to the respective application or the filter material, and wherein the consumption of additive are kept low can and the additive can be applied finely dosed.
  • the size of the application surface is adjusted by means of a movable cover member.
  • the invention is based on the idea that the order quantity of the additive can be adapted to the filter material or to the filter to be produced.
  • the term "application surface” is understood in particular to mean the surface of an (open) region within which the additive is applied to the filter material conducted past the region.
  • the invention provides that the size of this area can be predetermined and varied.
  • the application surface in particular by means of at least one cover, changed so that, for example.
  • a dry filter removal can, for example, be made by completely closing or sealing off the application surface.
  • the order area has the size zero.
  • Dry filters are filters without additives. At the same time a promotion of the additive can take place, wherein the additive is not applied by the partitioning on the filter material.
  • the additive is uniformly applied to the filter material when the amount of additive applied to the filter material per unit of time and / or per application surface is kept constant.
  • the additive not absorbed by the filter material is derived and / or collected.
  • Adhesion between filter material and additive is enhanced when charge is applied to the filter material and / or the additive.
  • a uniform application of the additive to the filter material is achieved by spraying the additive from at least one nozzle onto at least one side of the web of filter material.
  • a plurality of nozzles are provided on one side.
  • the nozzles can be arranged in several rows.
  • a homogenization of the order on the filter material is carried out when the at least one nozzle is subjected to a constant pressure. Consistent system pressure achieves optimum droplet size and / or velocity of the additive.
  • the sprays may overlap in the form of spray cones or spray patches.
  • triacetin is applied to the filter material as an additive.
  • Triacetin has proven to be a useful plasticizer and crosslinker in the production of filter rods.
  • the object is further achieved by a device of the type mentioned, which is further developed in that the size of the application surface is adjustable by means of a movable cover.
  • the application surface in particular by means of at least one cover, changeable.
  • At least one means for discharging and / or at least one collection means are provided for the additive not received by the filter material.
  • the invention provides that at least one voltage source is provided for charging the filter material and / or the additive with charge.
  • At least one nozzle is further provided on at least one side of the web of filter material.
  • a plurality of nozzles are arranged on one side, in particular in a plurality of rows.
  • a uniform application of the additive to the filter material is particularly possible if the at least one nozzle can be acted upon by a constant pressure.
  • At least one exit barrier is provided.
  • Excess unabsorbed additive may be recycled to the device if the deriving means is formed as a band member.
  • the collecting means for unadapted additive is designed as a scraping edge and / or as a basin.
  • a housing is provided for the device.
  • the device also achieves the object of the invention by a device described above.
  • the plasticizer e.g. Triacetin
  • the amount of additive to be applied is adjusted via an adjustable application surface, whereby the excess not absorbed by the filter material is dissipated.
  • the unobstructed plasticizer can be absorbed by a circulating belt and stripped off by a scraping edge.
  • the application of the plasticizer may be assisted by the application of opposite charges to the filter tow or to the additive.
  • a means 1 for applying a plasticizer e.g. Triacetin, shown on a spread filter tow 2 or on a strip of filter material.
  • the filter tow 2 is transported according to the conveying direction F from right to left.
  • spray nozzles 3 are arranged at a predetermined distance from each other.
  • the spray nozzles 3 each generate a spray cone 4.
  • the spray nozzles are arranged to produce a uniform and constant spray pattern preferably equidistant and flat.
  • By means of the spray nozzles 3 is a achieved fine, fog-like Hohlkegelzerstäubung a plasticizer.
  • Axial hollow cone nozzles from the company Lechler GmbH & Co. KG, Metzingen, Germany are particularly suitable for this purpose.
  • the spray nozzles 3 are supplied with a constant system pressure from one or more delivery sources to ensure optimum droplet size and velocity.
  • the spray cone 4 can cover.
  • the spray nozzles 3 are arranged below the filter tow 2 and spray the filter towed over 2 from below.
  • a movable, in particular motor-driven, cover plate 7 is arranged so that the spray surface of the spray cone 4 is limited and the application of the plasticizer takes place via an application surface 12.
  • the application surface 12 is variable in size and has, for example. In a dry filter removal an area of zero.
  • the spray 4 is completely sealed off from an order on the filter tow 2.
  • the size of the application surface 12 can be increased or reduced depending on the application and filter tow type or amount of filter tow, the spray nozzles 3 are still acted upon by a constant discharge pressure. This produces an overall constant spray pattern.
  • a voltage source 10 in particular a high voltage source, is further provided, so that the spray particles are provided with a charge.
  • the loading of the filter tow 2 with electrical charges is, for example, in the published patent application DE-A-42 09 606 disclosed.
  • the regulation of the order quantity of the plasticizer on the filter tow 2 is effected by the movable cover plate 7, which covers more or less spray area of the spray cone 4 as required.
  • the cover plate 7 is formed, for example, as a flexible spring plate and is moved by motor and / or spindle in the direction of tow.
  • a circumferential band 5 is formed over the entire length of the device 1, which rotates about the rollers 9.
  • the band 5 receives on its the filter tow 2 facing surface on the not absorbed by the filter tow 2 plasticizer.
  • the band 5 is guided along a deflecting under a scraper edge 6 to dissipate the excess triacetin on the belt 5.
  • the speed of the belt 5 is preferably below the limit at which a drop of the plasticizer would dissolve during the deflection.
  • the belt speed is thus preferably considerably below the filter speed.
  • At the outlet of the device 1 are arranged parallel to each other spray barrier 8, which cause as little as possible plasticizer from the device 1 exits.
  • the device 1 is provided with a housing.
  • the quantity of plasticizer received by the band 5 is scraped off via the scraping edge 6 arranged transversely to the band 5.
  • the plasticizer liquid passes back into the lower region of the device 1.
  • the liquid is collected at the bottom in a kind of basin or tub, which may also be provided with a slope.
  • a return 11 the excess application amount is removed and returned to the reservoir from which the spray nozzles are fed.
  • FIGS. 2 a and 2 b show schematic, perspective views of the device 1, with corresponding parts being omitted for better understanding and illustration.
  • the spray nozzles 3 are arranged at regular intervals below the filter tow 2 and produce a two-dimensional spray surface or application surface 12. Due to the constant delivery pressure of the plasticizer, a uniform application of the plasticizer to the filter tow 2 is achieved by means of the spray nozzles 3.
  • the scraper edge 6 on the upper side of the belt 5 is arranged transversely to the running direction of the belt 5, so that the liquid picked up by the belt 5 is directed to at least one side of the belt and runs down the belt and is collected in a catch basin or trough.
  • the cover plate 7 is movable, so that the application surface 12 can be increased or decreased.
  • the application of the plasticizer can also be carried out from above onto the filter tow 2.
  • the not absorbed by the filter tow 2 amount of plasticizer is discharged from the cover plate to the sides, and discharged into the lower sump 13. About the return 11, the excess amount of plasticizer is fed back to the feed tank.
  • the application of the plasticizer takes place from the side, the filter tow 2 being spread vertically.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Filtering Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
EP02018460A 2002-08-16 2002-08-16 Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial Expired - Lifetime EP1389433B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT02018460T ATE377361T1 (de) 2002-08-16 2002-08-16 Verfahren und einrichtung zum zuführen eines, vorzugsweise flüssigen, zusatzstoffes auf eine bewegte, ausgebreitete bahn aus filtermaterial
EP02018460A EP1389433B1 (de) 2002-08-16 2002-08-16 Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial
DE50211168T DE50211168D1 (de) 2002-08-16 2002-08-16 Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial
JP2003281952A JP4384882B2 (ja) 2002-08-16 2003-07-29 移動されて拡張されたフィルタ材料製連続体に特に液体添加剤を供給する方法と装置
PL361584A PL208639B1 (pl) 2002-08-16 2003-08-08 Sposób i urządzenie do doprowadzania, korzystnie płynnego, dodatku na ruchome rozpostarte pasmo przetwarzanego w przemyśle tytoniowym materiału filtrowego
CNB031540740A CN100425172C (zh) 2002-08-16 2003-08-15 将一种添加剂输送到过滤介质移动展平带上的方法和装置
US10/641,159 US7261681B2 (en) 2002-08-16 2003-08-15 Method and apparatus for applying additive to a moving, spread-out filter material web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02018460A EP1389433B1 (de) 2002-08-16 2002-08-16 Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial

Publications (2)

Publication Number Publication Date
EP1389433A1 EP1389433A1 (de) 2004-02-18
EP1389433B1 true EP1389433B1 (de) 2007-11-07

Family

ID=30470271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02018460A Expired - Lifetime EP1389433B1 (de) 2002-08-16 2002-08-16 Verfahren und Einrichtung zum Zuführen eines, vorzugsweise flüssigen, Zusatzstoffes auf eine bewegte, ausgebreitete Bahn aus Filtermaterial

Country Status (7)

Country Link
US (1) US7261681B2 (US07576130-20090818-C00114.png)
EP (1) EP1389433B1 (US07576130-20090818-C00114.png)
JP (1) JP4384882B2 (US07576130-20090818-C00114.png)
CN (1) CN100425172C (US07576130-20090818-C00114.png)
AT (1) ATE377361T1 (US07576130-20090818-C00114.png)
DE (1) DE50211168D1 (US07576130-20090818-C00114.png)
PL (1) PL208639B1 (US07576130-20090818-C00114.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1843238B (zh) * 2005-04-06 2011-05-18 豪尼机械制造股份公司 将醋精涂覆到过滤材料带上的方法和装置

Families Citing this family (16)

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US20040200491A1 (en) * 2003-04-09 2004-10-14 Karles Georgios D. On line formation of recessed cigarette filter
DE10354924B4 (de) * 2003-11-25 2024-01-18 Körber Technologies Gmbh Vorrichtung zum Aufbereiten von Filtertowmaterial sowie Vorrichtung zur Herstellung von Filtern
CN1913791B (zh) * 2004-03-16 2010-11-10 日本烟草产业株式会社 制滤咀机
DE102004021773B4 (de) * 2004-04-30 2007-02-22 Hauni Maschinenbau Ag Abstreifelement und Besprüheinrichtung für Filtertow
DE102005038728B3 (de) * 2005-08-15 2007-03-29 Hauni Maschinenbau Ag Verfahren und Einrichtung zur Zufuhr eines Zusatzstoffes auf eine Filtermaterialbahn
GB0517551D0 (en) * 2005-08-27 2005-10-05 Acetate Products Ltd Process for making filter tow
ITBO20060601A1 (it) * 2006-08-11 2006-11-10 Gd Spa Dispositivo per il trattamento di materiale filtrante per articoli da fumo.
RU2562784C2 (ru) 2010-08-05 2015-09-10 Олтриа Клайент Сервисиз Инк. Композитные бездымные табачные изделия, системы и способы
WO2012019025A2 (en) 2010-08-05 2012-02-09 Frank Scott Atchley Fabric having tobacco entangled with structural fibers
WO2013124984A1 (ja) * 2012-02-22 2013-08-29 日本たばこ産業株式会社 フィルタトウへの添加装置
US9414624B2 (en) 2013-03-14 2016-08-16 Altria Client Services Llc Fiber-wrapped smokeless tobacco product
US10039309B2 (en) 2013-03-15 2018-08-07 Altria Client Services Llc Pouch material for smokeless tobacco and tobacco substitute products
CA2942870C (en) 2014-03-14 2023-01-31 Altria Client Services Llc Polymer encased smokeless tobacco products
EA033296B1 (ru) * 2014-07-18 2019-09-30 Джапан Тобакко Инк. Устройство для изготовления и способ изготовления сигаретного фильтра
EP3011847B1 (en) * 2014-10-24 2017-09-13 G.D Societa' per Azioni Unit and method for applying an additive on a cigarette filter manufacturing machine
IT201600126777A1 (it) * 2016-12-15 2018-06-15 Gd Spa Dispositivo per l'applicazione di un additivo.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1843238B (zh) * 2005-04-06 2011-05-18 豪尼机械制造股份公司 将醋精涂覆到过滤材料带上的方法和装置

Also Published As

Publication number Publication date
US7261681B2 (en) 2007-08-28
PL361584A1 (en) 2004-02-23
ATE377361T1 (de) 2007-11-15
CN1486644A (zh) 2004-04-07
JP2004073194A (ja) 2004-03-11
PL208639B1 (pl) 2011-05-31
EP1389433A1 (de) 2004-02-18
CN100425172C (zh) 2008-10-15
JP4384882B2 (ja) 2009-12-16
US20040038790A1 (en) 2004-02-26
DE50211168D1 (de) 2007-12-20

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