EP1754418B1 - Méthode et appareil pour appliquer un additif sur une bande de matériau filtrant - Google Patents

Méthode et appareil pour appliquer un additif sur une bande de matériau filtrant Download PDF

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Publication number
EP1754418B1
EP1754418B1 EP06014315A EP06014315A EP1754418B1 EP 1754418 B1 EP1754418 B1 EP 1754418B1 EP 06014315 A EP06014315 A EP 06014315A EP 06014315 A EP06014315 A EP 06014315A EP 1754418 B1 EP1754418 B1 EP 1754418B1
Authority
EP
European Patent Office
Prior art keywords
web
additive
width
filter material
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.)
Not-in-force
Application number
EP06014315A
Other languages
German (de)
English (en)
Other versions
EP1754418A1 (fr
Inventor
Stephan Wolff
Franz-Peter Koch
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
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
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL06014315T priority Critical patent/PL1754418T3/pl
Publication of EP1754418A1 publication Critical patent/EP1754418A1/fr
Application granted granted Critical
Publication of EP1754418B1 publication Critical patent/EP1754418B1/fr
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
    • A24D3/0295—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 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. 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 stock here is usually a filter material bales or cellulose acetate bales with a weight between 400 and 1000 kg, usually 600 kg.
  • the filter tow is made of a fabric of loose together adherent threads which are pulled apart to form a wide and mostly flat web so that the threads are moved side by side and substantially in parallel.
  • the propagation of the web takes place in a spreader nozzle.
  • the singling of the threads takes place in a stretching zone which is formed by two roller pairs revolving at different peripheral speeds, of which at least one roller is grooved on its surface.
  • an additive which is usually liquid and consists for example of triacetin droplets, supplied in finely divided form.
  • the triacetin dissolves the threads, so that the threads adhere permanently to each other after being gathered into a round strand and wrapping with a filter paper strip in a filter rod machine, ie are crosslinked.
  • an additive consisting of a finely divided powdery substance can also be used. Preparation equipment of the prescribed type are in the patents US 5 060 664 A and US 4 511 420 A described.
  • From the EP 1 389 433 A1 are 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, wherein the additive is supplied via an application surface or an opening in an application device, wherein the size of the application surface or opening is adjusted.
  • the additive is supplied via an application surface or an opening in an application device, wherein the size of the application surface or opening is adjusted.
  • GB 2 042 375 A discloses a device for applying liquid to cigarette filter tow. Due to variations in the width of the towelette, the liquid which does not reach the tow is collected again and additionally supplied to the application element, namely a brush, in order subsequently to apply more liquid to the tow. The amount of liquid to be applied to the tow is kept constant.
  • GB 2 109 273 A discloses an apparatus and method for applying a plasticizer to fibrous filter material wherein the flow rate of the plasticizer to an applicator element, a rotating brush, is controlled as a function of the speed of the filter belt.
  • the feeding of the plasticizer is independent of the change in the width of the filter material.
  • GB 1 328 151 A discloses an apparatus in which a liquid is applied to a continuously agitated, elongated material, wherein excess liquid is returned and the amount of liquid provided is controlled in dependence on the speed of the material to which the liquid is applied.
  • excess liquid is returned and the amount of liquid provided is controlled in dependence on the speed of the material to which the liquid is applied.
  • the liquid is then returned to a reservoir, the has an increased level. This causes a pump to be driven at a higher speed to reduce the level of the reservoir. It should be necessary to provide a constant level as possible of the reservoir to allow a uniform application of liquid to the filter tow.
  • GB 1 290 346 A shows a device for applying liquid to a continuously moving, elongated material. It is stated that the amount of material taken up is greater with a larger width than with a smaller width of the filter material.
  • a method for supplying a, preferably liquid, additive to a moving, spread web of filter material of the tobacco processing industry by at least one applicator organ is further developed in that the amount of the supplied to the web per unit area additive in Depending on the width of the web is controlled, wherein the width of the filter material web via a scanner, a camera line, a laser sensor and / or detected by photoelectric sensors.
  • filter material in the form of filter material bales, for example cellulose acetate towballs, which are usually conditioned to have a typical width and thickness for a bale or batch prior to spraying with an additive, after appropriate stretching and spreading, which may vary accordingly from batch to batch.
  • more additive is applied to the web per unit area, if the width decreases or less additive is applied as the width increases. More additive is applied to the web per unit area as the application area is increased in the longitudinal direction of the fiber web. Less additive is applied to the web per unit area as the application area is reduced in the longitudinal direction of the fibrous web.
  • the amount of the additive preferably the mass that is supplied, should be as constant as possible in relation to the amount of the filter material, preferably to the mass. It is convenient to keep an applied base amount of the additive substantially constant for each batch of filter material.
  • the base quantity can be determined at the beginning of each batch based on the width and then kept constant. Appropriately, a constant amount per unit time and / or per unit weight of the filter material is provided. It is particularly expedient to provide a long-term control, so that, for each batch or for each filter material bale, a value determined for the batch essentially results for the amount or basic amount of the added additive. In this case, it may be sufficient to measure the width only at the beginning of the use of a batch or a filter material bale, and accordingly to control the amount of added additive.
  • an additional control of the supply of the additive on the density of the filter material web is provided.
  • short-term fluctuations in the density of the filter material web in the amount supplied can be taken into account, in which case preferably a method and a device according to the DE 199 50 034 A1 Use finds.
  • the base amount is then increased or decreased by one, in particular small, further amount of additive, depending on the density of the web.
  • the application surface which in the context of the invention can also be referred to as a passage surface or passage opening, has a constant width, which is arranged transversely to the conveying direction of the filter material web. This width is suitably larger than the width of the filter material web.
  • the application surface has a variable length along the axial direction of the conveying direction of the filter material web. Due to the variable length with constant width, the application surface can be adjusted. If so controlled that the size of the application surface is adjusted such that the additive-loaded web surface is constant, in particular at one or more times, a correspondingly simple and efficient control of the amount of the additive supplied to the web depending on the width of the web.
  • the application surface is changed by means of at least one cover.
  • the width of the filter material web is particularly easy to adjust via a scanner, a camera line, a laser sensor and / or via light barriers. As a result, the accuracy of the width determination of the web is increased.
  • the width of the filter material web is measured prior to entry into an additive application area.
  • additive application area is understood in particular to mean an additive application device or an additive application chamber.
  • the object is further achieved by a device for supplying a, preferably liquid, additive to a moving, spread web of filter material of the tobacco-processing industry by means of aumpsorgans, wherein a Web width measuring device and a control device are provided, wherein the amount of the supplied to the web per unit area additive is controllable in dependence of the determinable by the web width measuring device width of the web by the control device, wherein the web width measuring device comprises an electromagnetic radiation sensitive sensor.
  • the sensor is preferably sensitive to light.
  • the web width measuring device comprises an electromagnetic radiation source.
  • This is in particular a light source.
  • the web width measuring device expediently comprises a scanner, a camera, a laser sensor and / or at least one light barrier.
  • a scanner is to be understood in particular as an apparatus which is used, for example, in a conventional copier.
  • This is a device that has a light line on the one hand and a sensor that detects brightness differences on a light-sensitive line.
  • the line here is preferably transversely, in particular substantially perpendicular to the conveying direction of the filter material web.
  • a web density measuring device is further provided.
  • a very simple control is possible if the additive can be supplied via an application surface and the size of the application surface is adjustable.
  • a structurally simple device is provided when the application surface is variable by means of a cover.
  • the size of the application surface is adjustable, that the web surface acted upon by the additive is constant.
  • the delivery conditions for the additive are constant.
  • the nozzle parameters for a constant droplet size, a constant maintained droplet mist, an equal kinetic energy of the droplets and a constant spray angle can be such that the same amount is delivered from the nozzle at the same temperature and at the same pressure.
  • the size of the application surface is adjustable so that the area acted upon by the additive web surface is constant.
  • the web width measuring device is arranged upstream, in particular immediately after an additive application area.
  • the additive application area is preferably an additive application chamber or is comprised or arranged in such a chamber.
  • a device for producing filter rods for rod-shaped articles of the tobacco-processing industry is provided with a device according to the invention which has been described above.
  • Fig. 1 is a device for applying a plasticizer, z.
  • a plasticizer z.
  • 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.
  • a fine mist-like hollow cone atomization of a plasticizer is achieved.
  • axial hollow cone nozzles from Lechler GmbH & Co. KG, Metzingen, Germany are suitable.
  • 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 tow 2 transported over 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 appearance 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 0.
  • 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 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 Towraum or conveying direction F or against the Towraum or the conveying direction F.
  • a drive device 23rd provided, which is controlled by a control device 22 via a cable 24 '.
  • the control device 22 receives a width signal via a cable 24 from a width measuring device 20.
  • the width measuring device 20 emits a light cone 21 and receives the reflected light, in particular at the edges of the filter tow.
  • the drive device 23 is driven and the cover plate 7 is moved such that the application surface 12 is smaller or larger or remains constant.
  • the control is done such that with smaller width of the filter tow 2, the application area is increased and with larger width of the filter tow 2, the application area is reduced.
  • a circumferential band 5 is formed over the entire length of the device 1, which rotates about the roller 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 after a deflection under a scraper edge 6 along to dissipate the excess triacetin on the belt 5.
  • the speed of the belt is preferably below the limit at which a drop of the plasticizer would dissolve during the deflection.
  • spray deflectors 8 arranged parallel to one another are formed, which cause as little plasticizer as possible to escape from the device 1.
  • the device 1 or feeder 1 is preferably provided with a housing or, as in the embodiment of Fig. 1 , at least partially provided with a housing.
  • the housing comprises, in particular, the spray chamber 25. Via a return 11, the excess application quantity is removed and returned to the storage container from which the spray nozzles are fed.
  • FIG. 3 shows schematic perspective views of the supply device 1, with corresponding parts being omitted for better understanding and for better 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 scraping edge 6 on the upper side of the band 5 is arranged transversely to the running direction of the band 5, so that the liquid absorbed by the band 5 is led to at least one side of the band 5 and runs down there and is collected in a collecting basin or a collecting trough.
  • Fig. 3 shows schematic perspective views of the supply device 1, with corresponding parts being omitted for better understanding and for better 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
  • the filter tow 2 usually has a width that is smaller than the width of the application surface 12.
  • the width measuring device 20 is arranged transversely to the conveying direction F of the filter tow 2 and can also be arranged substantially perpendicular thereto.
  • Fig. 3 shows a schematic plan view of another embodiment of a feed device 1 according to the invention, wherein the width measuring device 20 comprises two laser sensors 26, 26 ', which are arranged in the region of the sides of the filter tow 2 and upstream immediately before the spray chamber 25.
  • the filter tow 2 passes via a pair of rollers 28 in the area of a spreader nozzle 27 and then in the range of the laser sensors 26, 26 ', whereby the positions of the edges of the filter tow 2 are determined and from this the width can be calculated.
  • Fig. 3 also the application surface 12 shown and an applied web surface 31.
  • the applied web surface 31 is limited by the boundaries of the application surface 12, which are arranged transversely to the conveying direction F of the filter tow 2 and by the edges of the filter tow 2, which are shown in phantom at this point.
  • the filter tow 2 passes to a pair of rollers 29, and then into an inlet funnel 29 of a known in the cigarette industry filter rod machine, z. B. the type KDF of the applicant, to be supplied.
  • Fig. 4 is a schematic side view of a part of the embodiment of the Fig. 3 shown.
  • the width measuring device 20 with two laser sensors 26, 26 'and the filter tow 2 over the entire width B can be seen particularly well.
  • the conveying direction F is out of the plane of the drawing sheet out to the viewer.
  • the reflections of the laser beam are absorbed by the filter tow 2 in the laser sensor 26, 26 '.
  • the corresponding laser beam as indicated in the laser beam 30, 30 ''', is reflected.
  • the edge of the filter tow 2 can be determined very accurately and the width B can be calculated via known distances of the two laser sensors 26, 26 '.
  • a camera system can also be used, a scanner which detects the tow width sensitive to light reflection, or a scan of the width by means of light barriers.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)

Claims (17)

  1. Procédé de charge d'un additif, de préférence liquide, sur une bande déployée de matériau filtre en mouvement (2) de l'industrie de transformation du tabac au moyen d'au moins un organe d'application (3), caractérisé en ce que la quantité d'additif chargée sur la bande (2) par unité de surface est commandée en fonction de la largeur (B) de la bande (2), la largeur (B) de la bande (2) de matériau filtre étant déterminée via un scanner, une rangée de caméras, un capteur laser (26, 26') et/ou via des barrières lumineuses.
  2. Procédé selon la revendication 1, caractérisé en ce que l'on dépose une plus grande quantité d'additif sur la bande (2) par unité de surface lorsque la largeur (B) diminue ou une plus petite quantité d'additif lorsque la largeur (B) augmente.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la quantité de base d'additif déposée pour chaque charge de matériau filtre (2), est sensiblement constante.
  4. Procédé selon l'une ou plusieurs des revendications 1 à 3, caractérisé en ce qu'une commande supplémentaire de charge d'additif est fonction de la densité de la bande de matériau filtre.
  5. Procédé selon l'une ou plusieurs des revendications 1 à 3, caractérisé en ce que l'additif est chargé sur une surface d'application et en ce que la dimension de la surface d'application est réglée.
  6. Procédé selon la revendication 5, caractérisé en ce que la commande est opérée de manière à régler la dimension de la surface d'application (12) de telle façon que la surface (31) de la bande chargée en additif soit constante.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que la surface d'application (12) est modifiée au moyen d'au moins un élément de recouvrement (7).
  8. Procédé selon l'une ou plusieurs des revendications 1 à 7, caractérisé en ce que la largeur (B) de la bande (2) de matériau filtre est mesurée avant l'entrée dans une zone (25) d'application de l'additif.
  9. Dispositif (1) de charge d'un additif, de préférence liquide, sur une bande déployée de matériau filtre en mouvement (2) de l'industrie de transformation du tabac au moyen d'un organe d'application (3), caractérisé en ce que sont prévus un dispositif de mesure de largeur de bande (20) et un dispositif de commande (12), la quantité d'additif chargée sur la bande (2) par unité de surface pouvant être commandée en fonction de la largeur (B) de la bande (2), déterminable au moyen du dispositif de mesure de largeur de bande (20), par le dispositif de commande (22), le dispositif de mesure de largeur de bande (20) comprenant un capteur (26, 26') sensible au rayonnement électromagnétique.
  10. Dispositif selon la revendication 9, caractérisé en ce que le dispositif de mesure de largeur de bande (20) comprend une source de rayonnement électromagnétique (26, 26').
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que le dispositif de mesure de largeur de bande (20) comporte un scanner, une rangée de caméras, un capteur laser (26, 26') et/ou au moins une barrière lumineuse.
  12. Dispositif selon l'une ou plusieurs des revendications 9 à 11, caractérisé en ce qu'est prévu un dispositif de mesure de densité de la bande.
  13. Dispositif selon l'une ou plusieurs des revendications 9 à 12, caractérisé en ce que l'additif peut être chargé sur une surface d'application (12) et en ce que la dimension de la surface d'application (12) est réglable.
  14. Dispositif selon la revendication 13, caractérisé en ce que la surface d'application (12) est modifiable au moyen d'un élément de recouvrement (7).
  15. Dispositif selon la revendication 13 ou 14, caractérisé en ce que la dimension de la surface d'application (12) est réglable de telle façon que la surface (31) de la bande chargée en additif soit constante.
  16. Dispositif selon l'une ou plusieurs des revendications 9 à 15, caractérisé en ce que le dispositif de mesure de largeur de bande (20) est disposé en amont de, en particulier sur un plan directement adjacent à une zone d'application (25) de l'additif.
  17. Dispositif de fabrication de tiges de filtres pour des articles en forme de tiges de l'industrie de transformation du tabac, comprenant un dispositif (1) selon l'une ou plusieurs des revendications 9 à 16.
EP06014315A 2005-08-15 2006-07-11 Méthode et appareil pour appliquer un additif sur une bande de matériau filtrant Not-in-force EP1754418B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06014315T PL1754418T3 (pl) 2005-08-15 2006-07-11 Sposób i urządzenie do doprowadzania substancji pomocniczej na wstęgę materiału filtracyjnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005038728A DE102005038728B3 (de) 2005-08-15 2005-08-15 Verfahren und Einrichtung zur Zufuhr eines Zusatzstoffes auf eine Filtermaterialbahn

Publications (2)

Publication Number Publication Date
EP1754418A1 EP1754418A1 (fr) 2007-02-21
EP1754418B1 true EP1754418B1 (fr) 2010-07-07

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Family Applications (1)

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EP06014315A Not-in-force EP1754418B1 (fr) 2005-08-15 2006-07-11 Méthode et appareil pour appliquer un additif sur une bande de matériau filtrant

Country Status (4)

Country Link
EP (1) EP1754418B1 (fr)
AT (1) ATE472946T1 (fr)
DE (2) DE102005038728B3 (fr)
PL (1) PL1754418T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009016500B4 (de) * 2009-04-08 2024-02-08 Körber Technologies Gmbh Verfahren zum Betrieb einer Filterstrangmaschine und Filterstrangmaschine
ITBO20110272A1 (it) * 2011-05-16 2012-11-17 Gd Spa Dipositivo per il trattamento di materiale filtrante per articoli da fumo.
EP3011847B1 (fr) * 2014-10-24 2017-09-13 G.D Societa' per Azioni Unité et procédé d'application d'un additif sur une machine de fabrication de filtre de cigarettes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290346A (fr) * 1969-11-22 1972-09-27
GB1328151A (en) * 1970-07-17 1973-08-30 Cigarette Components Ltd Apparatus for applying a liquid
AU5293879A (en) * 1978-12-04 1982-05-13 Celanese Corporation Applying liquid to filamentary material
US4511420A (en) * 1980-12-16 1985-04-16 Molins, Ltd. Continuous rod manufacture
US4497276A (en) * 1981-11-16 1985-02-05 Brown & Williamson Tobacco Corporation Apparatus and method for applying plasticizers to fibrous filter material
IT1235463B (it) * 1986-11-28 1992-07-30 Hauni Werke Koerber & Co Kg Procedimento e dispositivo per produrre un filone di fibre dell'industria di lavorazione del tabacco
DE4209606A1 (de) * 1992-03-25 1993-09-30 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Behandeln mindestens einer Bahn von Fäden aufweisenden Filtermaterial für Zigarettenfilter
DE19950034B4 (de) 1999-10-16 2019-09-26 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung einer Bremsanlage
DE19959034B4 (de) * 1999-12-08 2008-01-17 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Zuführen eines vorzugsweise flüssigen Zusatzstoffes auf eine bewegte Bahn
ATE377361T1 (de) * 2002-08-16 2007-11-15 Hauni Maschinenbau Ag Verfahren und einrichtung zum zuführen eines, vorzugsweise flüssigen, zusatzstoffes auf eine bewegte, ausgebreitete bahn aus filtermaterial

Also Published As

Publication number Publication date
ATE472946T1 (de) 2010-07-15
PL1754418T3 (pl) 2010-12-31
DE502006007358D1 (de) 2010-08-19
EP1754418A1 (fr) 2007-02-21
DE102005038728B3 (de) 2007-03-29

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