EP1834530B1 - Préparation d'une bande de matériau de filtre de l'industrie de traitement du tabac - Google Patents

Préparation d'une bande de matériau de filtre de l'industrie de traitement du tabac Download PDF

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Publication number
EP1834530B1
EP1834530B1 EP07002496A EP07002496A EP1834530B1 EP 1834530 B1 EP1834530 B1 EP 1834530B1 EP 07002496 A EP07002496 A EP 07002496A EP 07002496 A EP07002496 A EP 07002496A EP 1834530 B1 EP1834530 B1 EP 1834530B1
Authority
EP
European Patent Office
Prior art keywords
strip
filter
housing part
production
applicator
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.)
Active
Application number
EP07002496A
Other languages
German (de)
English (en)
Other versions
EP1834530A1 (fr
Inventor
Gerd Strohecker
Sönke Horn
Jan Peisker
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
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Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL07002496T priority Critical patent/PL1834530T3/pl
Publication of EP1834530A1 publication Critical patent/EP1834530A1/fr
Application granted granted Critical
Publication of EP1834530B1 publication Critical patent/EP1834530B1/fr
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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
    • A24D3/0295—Process control means
    • 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 for processing a strip of filter material of the tobacco-processing industry, in particular Filtertowstreiferi, which is conveyed along a conveying path, wherein in a job path by means of an applicator a, preferably liquid, additive is applied to the strip.
  • a, preferably liquid, additive is applied to the strip.
  • a strip of filter material in particular filter tow, of interconnected fibers, such as cellulose acetate, continuously withdrawn from a stock, eg from a bale, spread, stretched and with a plasticizer, such as triacetin, sprayed, laterally shirred, fed to a blown air nozzle and then fed to a hopper, fed from which the processed and compressed filter strip a filter rod machine becomes.
  • a plasticizer such as triacetin
  • the strip formed into a filter strand is enveloped continuously with a wrapping material strip, with further compression, so that filter rods are cut off from the wrapped filter strand.
  • a generic device or arrangement for processing a FiltermateriälstMails is off EP-B-0 654 224 known.
  • Proven processing equipment of the type described above are built and sold under the name AF2, AF3 and AF4 by the patent applicant.
  • Proven filter rod machines of the type described are built and sold under the name KDF2, KDF3 and KDF4 by the patent applicant.
  • Triacetin deposits in the interior of the housing of an application device or spraying chamber in the form of mist.
  • the Triacetinnebel can thereby emerge from the inlet and outlet columns of the housing and wet in the area of the order range filter material strips leading areas in the drafting system.
  • the promotion of the filter tuck is interrupted, whereby the stopped TowstMail in the order range due to the deposition in the spray chamber or outside the spray chamber with triacetin in contact.
  • the tow strip After a period of a few minutes, for example 10 minutes, the tow strip, which comes in contact with triacetin, begins to dissolve. In a subsequent start of production or machine start, it may therefore come to demolish the tow.
  • the object of the present invention is to improve the treatment process, in particular after a production stop or an interruption, wherein it should be possible that after a business interruption production in the simplest possible way can be started trouble-free ,
  • This object is achieved by a method for processing a strip of filter material of the tobacco-processing industry, in particular filter tow, which is conveyed along a conveyor line, wherein in areferssumble by means of a applicator a, preferably liquid, additive is applied to the strip, which further developed in that, upon or after the initiation of a production stop, the contact between the strip and at least one point contacting the strip within the application line is terminated.
  • a method for processing a strip of filter material of the tobacco-processing industry, in particular filter tow which is conveyed along a conveyor line, wherein in areferssumble by means of a applicator a, preferably liquid, additive is applied to the strip, which further developed in that, upon or after the initiation of a production stop, the contact between the strip and at least one point contacting the strip within the application line is terminated.
  • the invention is based on the idea that after initiation or during a stoppage of production, the strip or its section is or will be arranged freely in the area of the application line, that is to say that the strip has no contact with production facilities from the current production operation, which are provided at a standstill with Triacetinablagerungen.
  • the strip does not reach the strip of material during the downtime in the spray chamber or application device Devices, such as guide surfaces, Abstreifblechen or the like in contact, so that no carryover of deposits of triacetin takes place at the guide means, whereby the strip portion could soften.
  • contact between the stationary strip of material and contact points with amounts of triacetin in the area of the application line or application device is thus prevented.
  • the strip is lifted by means of at least one lifting device.
  • the applicator is formed with a closed spray chamber, it is necessary for this that the housing of the applicator is opened to arrange the strip by means of a lifting device, for example in the form of one or more support rods or a gripping device contactlessly to the production facilities of a job path.
  • an upper housing part and a lower housing part of the applicator are spaced apart, whereby a stationary filter material strip arranged between roller pairs of the applicator path remains stationary, while the contact-bearing and deposed stripping plates of an applicator device are removed from the stationary strip or spaced.
  • an upper housing part of the applicator is raised and / or a lower housing part of the applicator is lowered, so that the housing parts are spaced from each other.
  • lowering the lower housing part according to the invention is also achieved that the contact between the strip and the points that touch the strip in production, is terminated.
  • the application device is closed to start production.
  • the free arrangement of the stationary or stationary strip of material within the order path during the downtime has the advantage that it prevents the strip of filter material from coming in contact with triacetin for a prolonged period of time and thus does not dissolve or dissolve. Overall, this extends the service life and softening of the material strip by triacetin or the like avoided.
  • Fig. 1 the processing device for a stripped off a bale strip 2 of filter tow, eg cellulose acetate, with continuous fibers following main assemblies that passes through the strip 2 below, on: a withdrawal line 3, a Vorreckorder 4, a stretch 6, amoverssumble 7, a Raffsort 8 and a feed line 9.
  • the feed line 9 serves to feed a strip section to an inlet device of a filter rod machine 11, shown schematically, for example, from the known in the tobacco industry type KDF2, KDF3 or KDF4 of the patent applicant.
  • the withdrawal line 3 in which of a not shown here. Bales withdrawn filter material strip 2 is promoted, has a spreader nozzle 16, which receives compressed air from a compressed air source. The compressed air is used to spread the extracted filter fabric in this section.
  • a controllable spreader nozzle is eg in the US-A-4,259,769 described.
  • a deflection plate 19 of the filter tow 2 passes into the pre-stretch 4, on the one hand by a pair of rollers 21 with the rollers 22, 23, on the other hand by a pair of rollers 24 with motor-driven rollers 26, 27 is limited.
  • the rollers 22, 23 are towed from the tow strip, ie they run empty with more or less resistance. If necessary, they can be powered by a motor. They can also be pressed in a manner known per se with controllable force against each other. In the Vorrecktier 4, in which the strip portion is conveyed obliquely down, the filter tow 2 is vorgereckt.
  • the stretching line 6 connects, in which the filter tow 2 is conveyed vertically or with a vertical component from top to bottom.
  • the stretching section 6 is another pair of rollers 39 of motor-driven rollers 41, 42 whose peripheral speeds are slightly greater than the peripheral speeds of the rollers 26, 27, so that the elastic filter tow 2 is defined stretched.
  • the roller pairs 24 and 39 thus form the actual stretching device.
  • the rollers 26 and 41 have a rigid, grooved surface, each contacting a compliant surface of the rollers 27 and 42, respectively.
  • Such roll configurations are known from the aforementioned filter tup processing devices AF 2, AF 3 and AF 4 of the applicant and, for example, in US-A-3,317,965 and US-A-3 255 506 described.
  • the roller pair 39 is followed by a further pair of rollers 43 with rollers 44, 46 whose peripheral speeds are lower than those of the rollers 41, 42, so that the filter tow 2 is slightly relaxed in its promotion.
  • the pair of rollers 43 has a smooth rubber roller 44, which is in contact with the steel roller 46.
  • the roller pairs 39 and 43 thus limit the application path 7, which in the present case is arranged approximately horizontally, in which an application device (FIG. Fig. 2 , Reference numeral 47) is arranged in the form of a spraying device.
  • the applicator 47 sprays the transported filter tow 2 from one or both sides with fine droplets of a solvent for the filter tow material, eg triacetin.
  • a solvent for the filter tow material eg triacetin.
  • the application device 47 may be arranged upstream of the applicator section 7 (not shown here) spreader nozzle, so that the stretched filter tow 2 is further spread and the solvent wets a larger surface of the filter tow 2.
  • the upstream of the roller pair 21 of the Vorreckumble 4 spreader nozzles 16, 17 and optionally the spreader nozzle in the order path 7 are pressurized with compressed air.
  • the order path 7 is a shirring 8 downstream, in which the filter tow 2 is conveyed with predominantly vertical component of a motor-driven roller 53 from bottom to top.
  • the roller 53 is arranged downstream of a feed path 9.
  • a feed path 9 also known per se so-called. Stopfdüse is present. After passing through the Stopfdüse the filter tow is fed to a filter rod machine 11.
  • a plasticizer eg triacetin
  • the strip 2 of filter material is transported according to the conveying direction F from right to left.
  • a plurality of application nozzles 31, of which only one is shown, which generates a spray cone 32 with plasticizer droplets of triacetin during ongoing production are shown.
  • the strip 2 is guided through lower stripping plates 33, 34 by the applicator 47.
  • the lower stripping plates 33, 34 are arranged in the lower region of the application device 47 or of the lower housing part 13.
  • Above the filter tow 2, three stripping plates 15 are arranged in the closed housing of the application device 47 on the upper housing part 12.
  • the upper Abstreifbleche 15 are hook-shaped or V-shaped or formed in the manner of a parabola.
  • the spread-out filter tow strip 2 is transported past according to the marked conveying direction F. In this case, touching the filter tow 2 and the stripping plate 15 in the lowest point of the stripping plate 15.
  • a further stripper plate 14 is disposed above the filter tow 2 in the entry region of the strip 2 in the applicator 47.
  • triacetin By applying triacetin to the filter tow 2, for example, by means of an application nozzle or an application brush, which is not shown here, droplets of triacetin are applied to the filter tow 2. Due to the volatility of the triacetin droplets, the atmosphere in the applicator housing 47 is enriched with triacetin droplets.
  • Fig. 3 is an inventive arrangement on the applicator 47 shown in cross section according to a first embodiment.
  • the job on the application nozzles 31 is completed and the strip 2 stopped.
  • the closed housing of the applicator 47 is opened, wherein the upper housing part 12 is raised after completion of Triacetinéess and the promotion of the strip 2 upwards.
  • the lower housing part 13 remains stationary.
  • the production situation of the strip 2 is in Fig. 3 dashed lines.
  • the strip 2 By lifting the resting, ie stationary strip 2 by means of the vertically moving support rods 18, 20, the strip 2 is in the in Fig. 3 illustrated position in a rest position in which Triacetinablagerungen with the filter tow 2 do not come into contact.
  • the contacting contact between the rollers 41, 42 of the roller pair 39 can be terminated by pivoting the roller 42 away in a development. This is in Fig. 3 indicated with an arrow pointing to the left on the roller 42.
  • the input side roller pair of the stretching section (see. Fig. 1 , Reference numeral 24) is opened, so that the input-side rollers (see. Fig. 1 , Reference numerals 26, 27) are no longer in touching contact. Due to the fact that during a machine standstill the preparation of the strip 2 is also terminated by stretching, the strip 2 is in a relaxed state in the region of the application path 7 when the production is at a standstill.
  • the holding rods 18, 20 are lowered. Subsequently, the upper housing part 12 is moved downward, whereby the housing of the applicator 47 is closed. Subsequently or simultaneously, the pairs of rollers 39, 43 of the application path 7 and the stretching device are brought into touching contact, if during the downtime the corresponding rolls of the pairs of rolls have been separated from each other.
  • the strip 2 which is conveyed horizontally in the application path 7, after its stretching in the following Stretching line (cf. Fig. 1 , Reference numeral 6) in the order path with triacetin on the application nozzle 31 sprayed (see. Fig. 2 ).
  • the housing of the application device 47 consisting of an upper housing part 12 and a lower housing part 13, is opened by raising the upper housing part 12 and lowering the lower housing part 13 with respect to the strip 2, so that the between the roller pairs 39 and 43 arranged strip 2 is not in contact with the lower and upper Abstreifblechen 33, 34 and 15 device to record deposits of triacetin to the Abstreifblechen 33, 34.
  • the contact between the inlet plate 28 on the input side of the applicator 47 and the outlet plate 30 is interrupted or terminated on the output side by lowering the lower housing part 13.
  • the inlet plate 28 and the outlet plate 30 are arranged on the lower housing part 13 and point outwards.
  • the lower housing part 13 and the upper housing part 12 are moved back to their working position.

Landscapes

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

Claims (5)

  1. Procédé de préparation d'une bande (2) de matériau de filtre de l'industrie de transformation du tabac, en particulier une bande d'étoupe pour filtre (2), transportée le long d'un trajet de transport (6, 7, 8), dans lequel un additif (32), de préférence liquide, est appliqué sur la bande (2) dans une section d'application (7) au moyen d'un dispositif d'application (47, 31), caractérisé en ce qu'au début ou après le début d'un arrêt de production, le contact cesse entre la bande (2) et au moins un endroit en contact avec la bande (2) à l'intérieur de la section d'application (7).
  2. Procédé selon la revendication 1, caractérisé en ce que la bande (2) est relevée au moyen d'au moins un dispositif de levage (18, 20).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'une partie de carter supérieure (12) et une partie de carter inférieure (13) du dispositif d'application (47) sont écartées l'une de l'autre.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce qu'une partie de carter supérieure (12) du dispositif d'application (47) est relevée et/ou une partie de carter inférieure (13) du dispositif d'application (47) est abaissée.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif d'application (47) est fermé pour le démarrage en production.
EP07002496A 2006-03-10 2007-02-06 Préparation d'une bande de matériau de filtre de l'industrie de traitement du tabac Active EP1834530B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07002496T PL1834530T3 (pl) 2006-03-10 2007-02-06 Przygotowywanie taśmy materiału na filtry w przemyśle przetwórstwa tytoniu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006011599A DE102006011599B4 (de) 2006-03-10 2006-03-10 Aufbereitung eines Filtermaterialstreifens der Tabak verarbeitenden Industrie

Publications (2)

Publication Number Publication Date
EP1834530A1 EP1834530A1 (fr) 2007-09-19
EP1834530B1 true EP1834530B1 (fr) 2010-10-27

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Application Number Title Priority Date Filing Date
EP07002496A Active EP1834530B1 (fr) 2006-03-10 2007-02-06 Préparation d'une bande de matériau de filtre de l'industrie de traitement du tabac

Country Status (4)

Country Link
EP (1) EP1834530B1 (fr)
AT (1) ATE485733T1 (fr)
DE (2) DE102006011599B4 (fr)
PL (1) PL1834530T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20060646A1 (it) * 2006-09-20 2006-12-20 Gd Spa Maccchina per la produzione di filtri di sigarette

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257344A (en) * 1977-12-23 1981-03-24 Francois Coq Device for depositing a liquid binder on a fibrous sheet for manufacturing cigarette filters

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL296607A (fr) * 1962-08-14 1900-01-01
US3255506A (en) * 1963-02-20 1966-06-14 Eastman Kodak Co Tow treatment
US3317965A (en) * 1964-09-11 1967-05-09 Osaka Kiko Kabushiki Kaisha Tow filament separating apparatus
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
DE2342130A1 (de) * 1973-08-21 1975-02-27 Hauni Werke Koerber & Co Kg Verfahren und steuerungsanordnung zum herstellen von filterstaeben fuer die tabakverarbeitende industrie
DE2814681A1 (de) * 1978-04-05 1979-10-18 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum auftragen von weichmacher auf eine bewegte gewebebahn
DE2814605A1 (de) * 1978-04-05 1979-10-18 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum ausbreiten einer bewegten luftdurchlaessigen gewebebahn
US4368688A (en) * 1980-06-20 1983-01-18 Hauni-Werke Korber & Co. Kg Apparatus for applying liquid plasticizer to filamentary filter material
US5342657A (en) * 1992-11-16 1994-08-30 Philip Morris Incorporated Apparatus and method for applying fluid to a moving continuous web
DE4345569B4 (de) * 1993-11-24 2006-06-08 Hauni Maschinenbau Ag Anordnung zum Aufbereiten eines Streifens aus Filtermaterial
DE10031848B4 (de) * 2000-07-04 2008-10-30 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Herstellen von Filterstäben der tabakverarbeitenden Industrie
DE10200326A1 (de) * 2002-01-07 2003-07-17 Hauni Maschinenbau Ag Vorrichtung und Verfahren zum Aufbereiten wenigstens eines Streifens aus Filtermaterial für die tabakverarbeitende Industrie

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257344A (en) * 1977-12-23 1981-03-24 Francois Coq Device for depositing a liquid binder on a fibrous sheet for manufacturing cigarette filters

Also Published As

Publication number Publication date
EP1834530A1 (fr) 2007-09-19
DE102006011599B4 (de) 2007-12-20
DE502007005444D1 (de) 2010-12-09
ATE485733T1 (de) 2010-11-15
DE102006011599A1 (de) 2007-09-13
PL1834530T3 (pl) 2011-04-29

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