EP0919144A1 - Procédé et dispositif pour le traitement d'une bande de cordons filtrant - Google Patents

Procédé et dispositif pour le traitement d'une bande de cordons filtrant Download PDF

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Publication number
EP0919144A1
EP0919144A1 EP98121079A EP98121079A EP0919144A1 EP 0919144 A1 EP0919144 A1 EP 0919144A1 EP 98121079 A EP98121079 A EP 98121079A EP 98121079 A EP98121079 A EP 98121079A EP 0919144 A1 EP0919144 A1 EP 0919144A1
Authority
EP
European Patent Office
Prior art keywords
air
filter tow
guide channel
air outlet
blown
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
EP98121079A
Other languages
German (de)
English (en)
Other versions
EP0919144B1 (fr
EP0919144B2 (fr
Inventor
Firdausia Dr. Chehab
Stefan Fietkau
Peter-Franz Arnold
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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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7849400&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0919144(A1) "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
Publication of EP0919144A1 publication Critical patent/EP0919144A1/fr
Publication of EP0919144B1 publication Critical patent/EP0919144B1/fr
Application granted granted Critical
Publication of EP0919144B2 publication Critical patent/EP0919144B2/fr
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
    • A24D3/0229—Filter rod forming processes
    • A24D3/0233—Filter rod forming processes by means of a garniture

Definitions

  • the invention relates to a method for treating a filter tow strip during its continuous cross-sectional gathering within a guide channel, which is subsequently encased in a filter tow strand to form a filter strand with a wrapping strip from which filter rods are cut off, compressed gas being blown into the filter tow strip during gathering. which exits the gathering area downstream in an air outlet zone through channels.
  • the invention also relates to a device for treating a filter tow strip, with a guide channel, the cross section of which decreases in order to gather the strip and which has an inlet for supplying a gas under pressure and a downstream air outlet zone for discharging the air blown into the filter tow.
  • Gas is understood in particular to be air, but other gases such as CO 2 or steam can also be used.
  • Filtertow is understood to mean a fleece composed of a large number of crimped synthetic staple fibers and / or filaments, which consists, for example, of cellulose acetate, staple fibers and / or filaments.
  • Entry Guide channel is used in the technique of filter production using strand machines
  • Finger designated channel with a decreasing cross-section in the conveying direction is understood to ratify the filter tow conveyed in the channel and to reduce its cross-section until approximately the strand cross-section is reached. With the terms upstream “and downstream” is from the conveying direction of the filter tow as the Current "went out.
  • the device mentioned at the outset is characterized in that downstream the air outlet zone another inlet for supplying a gas under pressure in the guide channel and a further air outlet zone for discharging the into the Filtertow air is provided from the guide channel.
  • the surprising advantage of the method and the device according to the invention is that the homogeneity of the filter rods is still significantly improved is, as the comparison photos of Figures 5 and 6 show.
  • FIG. 1 shows an arrangement by the applicant for processing filter tow, which preferably consists of cellulose acetate, which is known under the name AF in the tobacco processing industry.
  • a strip 3 is drawn from a bale 1 of strips of filter tow made of cellulose acetate lying one above the other from a driven roller pair 2, for example consisting of a grooved roller and a rubber roller acting against it, dissolved and spread by an air nozzle 4, guided over a roller 6 and by a further air nozzle 7 spread further and loosened up.
  • a towed, ie non-driven pair of brake rollers 8 retains the web 9 formed from spread threads of filter tow somewhat.
  • a spraying device 12 Downstream of the pair of rollers 11 is a spraying device 12 in which droplets of liquid plasticizer 13, e.g. B. triazetin, are sprayed from below by means of a rotating brush 14 onto the threads of the web 9 guided in one plane from tow material.
  • liquid plasticizer 13 e.g. B. triazetin
  • the web 9 After deflection by a further driven pair of rollers 16, the web 9, while reducing its width, passes through a nozzle 17 which is pressurized with compressed air and has a compressed air connection 17a to an inlet funnel 18 of a subsequent filter rod machine KDF, not shown, for. B. of the type known in the tobacco processing industry type KDF2 or KDF3 of the applicant.
  • the arrows 19 indicate the direction of movement of the web 9.
  • a so-called format device 20 connects to the funnel 18 and has a guide channel 21 for the filter tow (hereinafter briefly Fingers ”) with a decreasing cross-section, so that the filter tow is continuously gathered when it is conveyed by narrowing the cross-section until it has approximately the cross-section of a filter rod required in the tobacco-processing industry for producing filter cigarettes.
  • the filter tow is supported by a so-called format belt 22, which is fed together with a wrapping strip 24 (eg paper strip) via a deflection roller 23, drawn through the format device 20.
  • the paper strip 24 which is glued on one edge is placed around the filter tow and then in a known manner, not shown, a filter strand From the entire format device, only the inlet part is shown with the finger 21.
  • the other parts of a format device such as the gluing chamber and the like are not shown, since they are not affected by the invention.
  • Figures 2 to 4 show a conveyor channel 21, in practice too Finger ", which narrows in the direction of arrow 19, that is to say its cross-section decreases continuously. This also reduces the cross-section of the filter tow strip, except for the thickness of the filter strand.
  • the format band 22 is shown only schematically in FIG. 2 as a bottom band, although in reality it is arched on both sides of the finger 21 and would thereby partially cover the finger, this part of the format tape is therefore omitted.
  • Compressed air at, for example, 3 bar is supplied at a first air inlet 26 and flows into the interior of the finger 21 and the filter tow moved through through slot-like channels 28 provided in the wall 27 in three rows.
  • the angle at which the air flows out of the wall 27 can be between 10 ° and 30 °, based on the longitudinal axis of the finger, for example 20 °, so that the filter material receives a conveying component through the air.
  • the blown-in air can emerge from the finger 21 through an air outlet zone 29 designed as a sieve.
  • the outlet channels 31 in the outlet zone are of the same size and in the exemplary embodiment have an approximately circular shape with a diameter of approximately 0.5 to 1.5 mm, e.g. B. of about 1 mm.
  • the outlet channels can also have other shapes and dimensions.
  • a further air inlet 32 Downstream of the air outlet zone 29 there is a further air inlet 32, through which compressed air of, for example, 2 bar is supplied, which flows into the interior of the finger 21 and the filter tow guided therein through slot-like channels 33 provided in the wall 27 in three rows. Its fibers are swirled again, which has a positive effect on the homogeneity of the filter rods produced.
  • the angle at which the air flows out of the wall 27 can also again be approximately 10 ° to 30 °, based on the longitudinal axis of the finger, for example approximately 20 °.
  • the further air that is blown in can escape from the finger 21 through a further downstream sieve-shaped air outlet zone 34.
  • the outlet channels 36 can have the same shape and dimensions as the outlet channels 31. The relatively small dimensions of the outlet channels are advantageous because practically no fibers pass out of the filter tow to the outside.
  • the pressure of the supplied air can exceed or fall below the specified values.
  • Figure 5 shows the distribution of filter tow in an open filter rod, which in a Device had been produced according to EP-B1-0269915. You can see that the distribution is non-uniform and has two bead-shaped thickenings 41, 42, between which there is a zone 43 with less material.
  • FIG. 6 shows the distribution of filter tow material in an open filter rod was produced according to the invention. You can see a very homogeneous distribution of the filter tow 44 over practically the entire area, which for a better The quality of the filter rod is the cause.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Filtering Materials (AREA)
EP98121079A 1997-11-21 1998-11-06 Procédé et dispositif pour le traitement d'une bande de cordons filtrant Expired - Lifetime EP0919144B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751598A DE19751598B4 (de) 1997-11-21 1997-11-21 Verfahren und Vorrichtung zum Behandeln eines Filtertowstreifens
DE19751598 1997-11-21

Publications (3)

Publication Number Publication Date
EP0919144A1 true EP0919144A1 (fr) 1999-06-02
EP0919144B1 EP0919144B1 (fr) 2002-08-28
EP0919144B2 EP0919144B2 (fr) 2009-04-29

Family

ID=7849400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121079A Expired - Lifetime EP0919144B2 (fr) 1997-11-21 1998-11-06 Procédé et dispositif pour le traitement d'une bande de cordons filtrant

Country Status (8)

Country Link
US (1) US6059706A (fr)
EP (1) EP0919144B2 (fr)
JP (1) JP4584371B2 (fr)
CN (1) CN1124088C (fr)
AT (1) ATE222713T1 (fr)
DE (2) DE19751598B4 (fr)
ES (1) ES2180107T5 (fr)
PL (1) PL187768B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1695636A1 (fr) * 2005-02-28 2006-08-30 Hauni Maschinenbau AG Filtre pour articles de l'industrie du tabac

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7275548B2 (en) * 2001-06-27 2007-10-02 R.J. Reynolds Tobacco Company Equipment for manufacturing cigarettes
US7073514B2 (en) * 2002-12-20 2006-07-11 R.J. Reynolds Tobacco Company Equipment and methods for manufacturing cigarettes
US7448390B2 (en) * 2003-05-16 2008-11-11 R.J. Reynolds Tobacco Company Equipment and methods for manufacturing cigarettes
US20040238136A1 (en) * 2003-05-16 2004-12-02 Pankaj Patel Materials and methods for manufacturing cigarettes
CN1295995C (zh) * 2001-12-10 2007-01-24 侯关荣 天然纤维香烟滤棒及其制造方法
US7281540B2 (en) * 2002-12-20 2007-10-16 R.J. Reynolds Tobacco Company Equipment and methods for manufacturing cigarettes
US7234471B2 (en) * 2003-10-09 2007-06-26 R. J. Reynolds Tobacco Company Cigarette and wrapping materials therefor
US7077145B2 (en) * 2002-12-20 2006-07-18 R.J. Reynolds Tobacco Company Equipment and methods for manufacturing cigarettes
US7117871B2 (en) * 2002-12-20 2006-10-10 R.J. Reynolds Tobacco Company Methods for manufacturing cigarettes
US7275549B2 (en) * 2002-12-20 2007-10-02 R.J. Reynolds Tobacco Company Garniture web control
US7195019B2 (en) * 2002-12-20 2007-03-27 R. J. Reynolds Tobacco Company Equipment for manufacturing cigarettes
US20040122547A1 (en) * 2002-12-20 2004-06-24 Seymour Sydney Keith Equipment and methods for manufacturing cigarettes
US7047982B2 (en) * 2003-05-16 2006-05-23 R.J. Reynolds Tobacco Company Method for registering pattern location on cigarette wrapping material
US7276120B2 (en) * 2003-05-16 2007-10-02 R.J. Reynolds Tobacco Company Materials and methods for manufacturing cigarettes
GB2405373B (en) * 2003-08-14 2005-08-31 Dempson Packaging Ltd Method and apparatus for manufacturing handles for bags
DE10354924B4 (de) * 2003-11-25 2024-01-18 Körber Technologies Gmbh Vorrichtung zum Aufbereiten von Filtertowmaterial sowie Vorrichtung zur Herstellung von Filtern
DE102004004688A1 (de) * 2004-01-29 2005-08-25 Hauni Maschinenbau Ag Separate Entspannung und Besprühung eines Filtertowstreifens
DE102006018111A1 (de) * 2006-04-18 2007-10-25 Hauni Maschinenbau Ag Aufbereitungseinheit zur Aufbereitung mindestens eines Filtertowstreifens für die Herstellung von Filtern für stabförmige Rauchartikel
DE102008056384B4 (de) 2008-11-10 2017-03-30 British American Tobacco (Germany) Gmbh Multifilter für einen Rauchartikel
GB0905210D0 (en) 2009-03-26 2009-05-13 British American Tobacco Co Rod for a smoking article and method and apparatus for manufacture
DE102009041318A1 (de) * 2009-09-15 2011-03-31 Hauni Maschinenbau Ag Einlegen von Filtersegmenten in Filterstränge
DE102011054057A1 (de) * 2011-09-29 2013-04-04 Hauni Maschinenbau Ag Vorrichtung für die Herstellung von Filtern der Tabak verarbeitenden Industrie
PL238487B1 (pl) * 2013-06-11 2021-08-30 Int Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia Sposób i stopka do nagniatania segmentów filtra segmentowego
CN103640923B (zh) * 2013-12-06 2016-06-08 湖南中烟工业有限责任公司 丝束和滤纸机械折叠混合的卷烟滤棒成型装置
JP6611253B2 (ja) * 2016-03-30 2019-11-27 株式会社ダイセル 繊維シート製造装置及び繊維シートの製造方法
JP6659425B2 (ja) * 2016-03-30 2020-03-04 株式会社ダイセル トウ開繊体製造装置及びトウ開繊体の製造方法
PL3600858T3 (pl) * 2017-03-24 2023-07-24 British American Tobacco (Investments) Limited Urządzenie i sposób formowania prętów z materiału włóknistego
WO2018210982A1 (fr) * 2017-05-18 2018-11-22 Philip Morris Products S.A. Procédé de mise en forme d'un matériau à bande continue en une tige

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091984A (en) * 1980-12-24 1982-08-11 Baumgartner Papiers Sa Method and apparatus for producing rod-shaped elements
WO1984002257A1 (fr) * 1982-12-13 1984-06-21 Molins Plc Fabrication de batonnets filtres
EP0269915A2 (fr) * 1986-11-29 1988-06-08 Rhone-Poulenc Rhodia Aktiengesellschaft Procédé et dispositif pour fabriquer des tiges de filtres à fumée de tabac
EP0546519A2 (fr) * 1991-12-09 1993-06-16 Mitsubishi Rayon Co., Ltd Jet d'air pour la production de bouchons filtrants pour cigarettes

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US3974007A (en) * 1970-04-11 1976-08-10 Hauni-Werke Korber & Co., Kg Method and apparatus for the production of filter rod sections or the like
US4747814A (en) * 1986-07-23 1988-05-31 American Filtrona Corporation Fiber separator
US5203757A (en) * 1986-11-29 1993-04-20 Rhone Poulenc Rhodia Ag Method and apparatus for producing tobacco smoke filter rods
US4889139A (en) * 1987-05-27 1989-12-26 Korber Ag Method of and machine for making a rod-like filler of fibrous material
DE4008475C2 (de) * 1990-03-16 2002-10-10 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Herstellen von Filterzigaretten
US5387285A (en) * 1992-06-02 1995-02-07 R. J. Reynolds Tobacco Company Apparatus for injecting a fluid into filter tow
JPH067143A (ja) * 1992-06-24 1994-01-18 Japan Tobacco Inc タバコフィルタ製造機のフィルタ搬送装置
DE4235247C1 (de) † 1992-10-20 1994-03-10 Link Wilhelm Kg Stuhl, insbesondere Bürostuhl
DE4443866A1 (de) * 1994-12-09 1996-06-13 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Bilden eines Filtertowstrangs der tabakverarbeitenden Industrie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091984A (en) * 1980-12-24 1982-08-11 Baumgartner Papiers Sa Method and apparatus for producing rod-shaped elements
WO1984002257A1 (fr) * 1982-12-13 1984-06-21 Molins Plc Fabrication de batonnets filtres
EP0269915A2 (fr) * 1986-11-29 1988-06-08 Rhone-Poulenc Rhodia Aktiengesellschaft Procédé et dispositif pour fabriquer des tiges de filtres à fumée de tabac
EP0269915B1 (fr) 1986-11-29 1992-05-20 Rhone-Poulenc Rhodia Aktiengesellschaft Procédé et dispositif pour fabriquer des tiges de filtres à fumée de tabac
EP0546519A2 (fr) * 1991-12-09 1993-06-16 Mitsubishi Rayon Co., Ltd Jet d'air pour la production de bouchons filtrants pour cigarettes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1695636A1 (fr) * 2005-02-28 2006-08-30 Hauni Maschinenbau AG Filtre pour articles de l'industrie du tabac

Also Published As

Publication number Publication date
PL329786A1 (en) 1999-05-24
DE59805299D1 (de) 2002-10-02
ES2180107T5 (es) 2009-06-23
DE19751598A1 (de) 1999-05-27
JPH11221068A (ja) 1999-08-17
EP0919144B1 (fr) 2002-08-28
ATE222713T1 (de) 2002-09-15
ES2180107T3 (es) 2003-02-01
JP4584371B2 (ja) 2010-11-17
CN1124088C (zh) 2003-10-15
US6059706A (en) 2000-05-09
CN1227733A (zh) 1999-09-08
DE19751598B4 (de) 2008-04-17
EP0919144B2 (fr) 2009-04-29
PL187768B1 (pl) 2004-10-29

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