EP1197155B1 - Procédé et dispositif de formation d'une tige de tabac - Google Patents

Procédé et dispositif de formation d'une tige de tabac Download PDF

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Publication number
EP1197155B1
EP1197155B1 EP01122991A EP01122991A EP1197155B1 EP 1197155 B1 EP1197155 B1 EP 1197155B1 EP 01122991 A EP01122991 A EP 01122991A EP 01122991 A EP01122991 A EP 01122991A EP 1197155 B1 EP1197155 B1 EP 1197155B1
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EP
European Patent Office
Prior art keywords
dust
tobacco
rod
negative
rod conveyor
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
EP01122991A
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German (de)
English (en)
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EP1197155A3 (fr
EP1197155A2 (fr
Inventor
Uwe Heitmann
Heinz-Christen Lorenzen
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.)
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Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP1197155A2 publication Critical patent/EP1197155A2/fr
Publication of EP1197155A3 publication Critical patent/EP1197155A3/fr
Application granted granted Critical
Publication of EP1197155B1 publication Critical patent/EP1197155B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1835—Multiple rod making devices

Definitions

  • the invention relates to a method for forming at least one tobacco rod, in which tobacco fibers are fed in a broad shower at least one air-permeable strand conveyor and are held on this conveyor by means of suction, further dust contained in this air sucked by the strand conveyor largely completely from the air and this separated dust is partially added back to the tobacco rod.
  • the invention further relates to an apparatus for forming at least one tobacco rod having a distributor device for forming a broad shower of tobacco fibers, at least one air-permeable endlessly circulating strand conveyor for conveying the at least one tobacco rod formed from the shower, feeding means for feeding the shower to the at least one strand conveyor a first vacuum chamber for applying a negative pressure to a first portion of the side facing away from the tobacco strand of the at least one strand conveyor, first suction means for sucking through the at least one strand conveyor in the first negative pressure chamber passing air, a separating device for separating the dust contained in this extracted air and transport means with at least one discharge opening for transporting the separated dust to the at least one strand conveyor.
  • tobacco processing machines are machines for the production of cigarettes to understand, but also machines for the production of tobacco cartridges, cigarillos or cigars, as far as they use the said process of strand formation.
  • tobacco is removed by a distribution device from a stock and spread to a shower of largely isolated tobacco fibers.
  • This tobacco shower is usually accelerated and deflected by transport air and finally piled up on or under a revolving air-permeable strand conveyor to an endless tobacco rod.
  • This strand is held on the strand conveyor by negative pressure, which is applied by means of a first vacuum chamber to the strand side facing away from the strand conveyor.
  • the passing through the tobacco rod and the strand conveyor air is sucked by suction from the first vacuum chamber.
  • the tobacco is supplied with an excess, which is later trimmed by a leveler.
  • a corresponding distributor device is z. B. in DE 39 19 720 A1 of the applicant described.
  • the extracted in the relevant machines from the first vacuum chamber air is heavily contaminated with dust.
  • the said dust consists of fine dust, which adheres to the tobacco fibers and is removed during processing in the distribution device of these, from foreign components such.
  • EP 0 738 477 A1 discloses a method and a device in which the entire dust is separated from the exhaust air of a cigarette rod machine and divided into a coarse and a fine fraction by means of an elaborate separating filter, the coarse fraction being returned to the working process while the fine fraction is fed to a central dedusting.
  • the task is to develop another method in which the coarse dust particles are added to the tobacco rod and at the same time there is no risk of accumulation of fine dust.
  • the object is to develop a device which enables the implementation of this method.
  • the object is achieved by the method according to claim 1.
  • the return transport of the separated dust to the strand conveyor is preferably carried out pneumatically.
  • the entire separated dust is divided into several sub-streams.
  • a partial stream of the dust is supplied to each tobacco rod to be produced.
  • the division is preferably carried out before or during transport to the strand conveyors.
  • the screening effect can be exploited particularly advantageously if the addition of the dust takes place over a width which is smaller than the width of the tobacco smoke, wherein the air passing through the strand conveyor in the region of the dust addition is sucked off separately together with the fine dust contained in it and a central dedusting system is supplied.
  • the width of the tobacco shower is to be understood to mean its extent in the conveying direction of the strand conveyor.
  • the dust is added to the strand conveyor before the supply of the tobacco smoke or the tobacco shower directly before its application to the strand conveyor, it is advantageous to give the dust a component of movement in the conveying direction of the strand conveyor.
  • a particularly reliable function of the method is achieved in that the amount of separately extracted air is controlled.
  • the control is preferably carried out by a control loop, which advantageously ensures that the negative pressure along the strand conveyor runs steadily.
  • the object is achieved in that assigned in the region of the addition of the deposited dust to the at least one strand conveyor this at least a second vacuum chamber for applying a negative pressure to a second portion of the tobacco rod side facing away from at least one strand conveyor is, to which second suction means are connected, to suck the passing through the at least one strand conveyor in the at least one second negative pressure chamber air.
  • the tobacco shower supply means include special means for dividing the shower into a plurality of partial showers from which a tobacco rod is piled on a plurality of string conveyors
  • the deposited dust transport means also includes means for dividing the dust into a plurality of partial streams , which are supplied through a plurality of discharge openings the individual strand conveyors.
  • each individual strand conveyor in the region of the corresponding discharge opening of the transport means is associated with a respective second vacuum chamber.
  • the device for dividing the dust contains adjusting means by which the proportions of the individual partial streams of the dust can be controlled.
  • the means of transport for the separated dust are preferably designed as pneumatic conveying lines.
  • the extent of the second vacuum chamber in the conveying direction of the strand conveyor is substantially smaller than that of the first vacuum chamber.
  • the second vacuum chamber in the conveying direction of the strand conveyor of the first vacuum chamber upstream or integrated into this is
  • the second vacuum chamber in the conveying direction of the strand conveyor is greater than the discharge opening of the transport. Further optimization is achieved by the second vacuum chamber is offset against the discharge opening of the transport in the conveying direction of the strand conveyor.
  • the device becomes structurally particularly simple if, in a further embodiment, the transport means open with its discharge opening into the supply means for the tobacco shower.
  • the device runs particularly securely when the delivery opening of the transport means arranged in the immediate vicinity of the strand conveyor is aligned with a component in the conveying direction of the at least one strand conveyor.
  • pressure sensors are located in the second vacuum chamber and / or in the first vacuum chamber.
  • actuating means are preferably provided for the control of the amount of air extracted by the second suction means.
  • a control unit for controlling this amount of air is preferably provided.
  • the device shown in Figure 1 consists of a distribution device 1, which are arranged downstream of feeding 2 for guiding a tobacco showers 3.
  • a distribution device is z. B. described in DE 39 19 720 A1 of the applicant and component z.
  • PROTOS 2 As the marketed by the Applicant cigarette production machine PROTOS 2.
  • separating means 4 for dividing the tobacco show 3 in two part showers 5, 6 are arranged.
  • the feeding means 2 lead to two endless strand conveyors 7, 8, which are guided around deflection rollers 9, 10, 11, 12 and rotate in the direction of arrows 13, 14.
  • the strand conveyors 7, 8 delimit a first vacuum chamber 15 positioned opposite to the feed means 2.
  • each equalizer 16, 17 is assigned to each of the strand conveyors 7, 8.
  • first suction means 20 are connected via a first exhaust duct 18 and a dust collector.
  • a dust separator 19 As a dust separator 19 z. B. a Mahle industrial filter type SFK 1560 of Knecht Filterwerke GmbH, ⁇ hringen, use.
  • a delivery line 21 leads to separating means 22 for dividing a stream of dust on two further pneumatic conveying lines 23, 24.
  • the separating means 22 may be configured as a shared collecting shaft with subsequent pneumatic conveying, such an embodiment is shown in Figure 2.
  • the separating means 22 may also be configured as a fork of a pneumatic conveying line, in this case, the conveying line 21 is also a pneumatic conveying line, which is preceded by an ejector 25.
  • the conveying line 21 is also a pneumatic conveying line, which is preceded by an ejector 25.
  • discharge openings 26, 27 are arranged.
  • the discharge openings, represented by 26a, 27a, open into the supply means 2, or the discharge openings, represented by 26b, 27b, are arranged upstream of the supply means 2 in the conveying direction of the strand conveyors 7, 8.
  • the mouth of the discharge ports 26a, 27a may be preferable be arranged in close proximity to the strand conveyors 7, 8, or at another location between the distributor device 1 and the strand conveyors 7, 8, if it is structurally particularly easily accessible in the relevant machine.
  • Each of the discharge openings 26, 27 is assigned, on the opposite side of the strand conveyors 7, 8, a second vacuum chamber 28, 29 which, depending on the position of the discharge openings 26, 27, either within the first vacuum chamber 15, represented by 28a, 29a, or, represented by 28b, 29b, the first vacuum chamber 15 in the conveying direction of the strand conveyors 7, 8 are arranged upstream.
  • second suction means 35 are connected via second exhaust ducts 30, 31, 32 and adjusting means 33, 34.
  • adjusting means 33, 34 z. B. throttle valves are used.
  • pressure sensors 36, 37, 38 are arranged, which are connected to a control unit 39, which in turn by control lines 40, 41, 42 with the adjusting means 33, 34 and the second suction means 35th connected is.
  • Tobacco to be processed is spread in the distribution device 1 to a broad tobacco shower 3, which is discharged into the supply means 2.
  • the separation means 4 of the shower 3 is divided into two partial showers 5, 6. These are fed to the strand conveyors 7, 8 and accumulated thereon by the negative pressure applied by means of the first vacuum chamber 15 to tobacco strands 43, 44, which are conveyed away in the conveying direction of the strand conveyors 7, 8.
  • the equalizers 16 17 excess portions 45, 46 separated from the tobacco strands 43, 44.
  • vacuum passes with dust 47 laden air through the tobacco strands 43, 44 and the strand conveyors 7, 8 in the first vacuum chamber 15.
  • This air is conveyed by means of the first suction means 20 through the first exhaust duct 18 into the dust separator 19, where the dust contained in it is deposited and transferred into the conveying line 21.
  • the dust is then divided according to the description of the figures 2 or 3 into two partial streams, which are introduced into the pneumatic conveying lines 23, 24.
  • the dust 48, 49 exits through the corresponding discharge openings 26, 27 in the direction of the corresponding strand conveyors 7, 8.
  • the dust is piled up together with the part showers 5, 6 made of tobacco on the strand conveyors 7, 8.
  • a fine fraction 52, 53 passes through the corresponding tobacco rod 43, 44 and the corresponding strand conveyor 7, 8 into the respective second vacuum chamber 28a, 29a due to the negative pressure prevailing in the second vacuum chambers 28a, 29a. From there, the fine dust fraction 52, 53 is sucked by means of the second suction means 35 through the second exhaust air lines 30, 31, 32.
  • the operation of the release agent shown in Figure 2 is as follows: In a supplied through a line 102 air flow dust is separated by a dust separator 101 from the air and through a lock 104, which z. B. can be configured as a rotary valve, transferred into a collecting container 105. The purified air is discharged through a line 103. The falling from the lock 104 into the collecting container 105 dust is divided by a pivotable partition 106 into two partial streams, each of which is fed by one of two ejectors 108, 109 in one of two associated pneumatic conveying lines 110, 111. By pivoting the partition wall 106 by means of a lever 107, the quantitative ratio of the partial flows of the dust can be adjusted. Instead of the manually operated lever 107 may also be an automatic, z. B. electromotive, adjustment.
  • a supplied in a feeding pneumatic conveying line 201 dust flow is divided in a branching region 203 by the pivotal end 205 of a partition 204 into two partial streams, which are transported away by the discharging pneumatic conveying lines 202, 203 ,
  • the pivotable end 205 of the partition 204 By pivoting the pivotable end 205 of the partition 204, the quantitative ratio of the partial flows can be adjusted.
  • This adjustment as in the case of the means shown in Figure 2 manually by means of a lever, not shown, or automatically, for. B. electromotive, done.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Manufacture Of Tobacco Products (AREA)

Claims (25)

  1. Procédé pour former au moins un boudin de tabac, selon lequel des fibres de tabac sont amenées en une large gerbe à au moins un transporteur de boudin perméable à l'air et sont maintenues au contact de ce transporteur au moyen d'air aspirant, de la poussière contenue dans cet air aspiré à travers le transporteur de boudin est, en outre, extraite complètement, dans une très large mesure, de l'air et cette poussière extraite est à nouveau apportée, en partie, au boudin de tabac, la poussière étant divisée en une fraction grossière et une fraction fine et la fraction grossière étant apportée au boudin de tabac, pendant que la fraction fine est amenée à un système de dépoussiérage central, caractérisé en ce que la totalité de la poussière extraite est ré-envoyée sur le au moins un transporteur de boudin et la division de la poussière en les fractions citées s'effectue sous l'effet de l'action de tamisage du transporteur de boudin et éventuellement du tabac déjà répandu sur ce dernier.
  2. Procédé selon la revendication 1, caractérisé en ce que la poussière extraite est acheminée par voie pneumatique au transporteur de boudin.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce qu'au moins deux boudins de tabac sont formés simultanément et la poussière, extraite de l'air d'échappement, est divisée en au moins deux flux partiels avant la division en les fractions.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce qu'à chaque transporteur de boudin est amené un flux partiel de la poussière extraite.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la poussière est envoyée au transporteur de boudin sur une largeur qui est nettement plus petite que la largeur de la gerbe de fibres de tabac, l'air passant à travers le transporteur de boudin, dans la région où est envoyée la poussière, étant alors évacué séparément par aspiration conjointement avec la poussière fine qu'il contient.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que la poussière est envoyée sur le transporteur de boudin avant la gerbe de fibres de tabac.
  7. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que la poussière est envoyée à la gerbe de fibres de tabac avant que cette dernière soit répandue, conjointement avec la poussière, sur le transporteur de boudin.
  8. Procédé selon la revendication 7, caractérisé en ce que la poussière est amenée à la gerbe de fibres de tabac d'une façon telle, que la fraction grossière de la poussière soit extraite dans une région du boudin de tabac qui n'est pas, dans une étape suivante du procédé, détachée par arasement, en tant qu'excédent, du boudin de tabac.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce qu'à la poussière est communiquée, avant qu'elle soit envoyée sur le transporteur de boudin ou à la gerbe de fibres de tabac, une composante de déplacement dans la direction de transport du transporteur de boudin.
  10. Procédé selon l'une des revendications 5 à 9, caractérisé en ce que le débit de l'air évacué séparément par aspiration est régulé de telle façon que la dépression s'appliquant au transporteur de boudin se développe en permanence dans la direction de transport du transporteur de boudin.
  11. Dispositif pour la formation d'au moins un boudin de tabac (43, 44), comportant un distributeur (1) destiné à former une large gerbe (3) de fibres de tabac, au moins un transporteur de boudin (7, 8) à circulation continue, perméable à l'air, destiné à évacuer le au moins un boudin de tabac (43, 44) formé à partir de la gerbe, des moyens d'amenée (2) destinés à amener la gerbe au au moins un transporteur de boudin (7, 8), une première chambre de dépression (15) destinée à appliquer une dépression à un premier tronçon de la face, tournée à l'opposé du boudin de tabac (43, 44), du transporteur de boudin (7, 8), des premiers moyens d'aspiration (20) destinés à évacuer par aspiration l'air entrant dans la première chambre de dépression (15) à travers le transporteur de boudin (7, 8), un extracteur de poussière (19) destiné à extraire la poussière (47) contenue dans cet air évacué par aspiration, et des conduits de transport (21, 23, 24) comportant au moins une ouverture de délivrance (26, 27) pour l'acheminement de la poussière extraite (47) au transporteur de boudin (7, 8), caractérisé en ce que, dans la région où la poussière extraite (47) est envoyée sur le transporteur de boudin (7, 8), est associée à celui-ci, en vue de l'application d'une dépression à un second tronçon de la face, tournée à l'opposé du boudin de tabac (43, 44), du transporteur de boudin (7, 8), au moins une seconde chambre de dépression (28, 29), à laquelle des seconds moyens d'aspiration (35) sont raccordés, afin d'évacuer par aspiration l'air entrant dans la seconde chambre de dépression (28, 29) à travers le transporteur de boudin (7, 8).
  12. Dispositif selon la revendication 11, caractérisé en ce que les moyens d'amenée (2) comprennent des moyens de séparation (4) pour diviser la gerbe de tabac (3) en au moins deux gerbes partielles (5, 6), qui sont amenées à au moins deux transporteurs de boudin (7, 8), les conduits de transport (21, 23, 24) comprennent des moyens de séparation (22) pour diviser le flux de poussière extraite (47) en au moins deux flux partiels (48, 49), qui sont chacun envoyés, à travers une ouverture de délivrance (26, 27) des conduits de transport (23, 24), à un boudin de tabac (43, 44), et en ce qu'à chaque transporteur de boudin (7, 8), est associée, dans la région de l'ouverture de délivrance (26, 27) correspondante des conduits de transport (23, 24), une seconde chambre de dépression (28, 29).
  13. Dispositif selon la revendication 12, caractérisé en ce que les moyens pour diviser le flux de poussière comprennent des moyens de réglage (107) destinés à commander les conditions de débit des flux partiels.
  14. Dispositif selon l'une des revendications 11 à 13, caractérisé en ce qu'au moins quelques-uns des conduits de transport (21, 23, 24) sont des conduits de transport pneumatiques.
  15. Dispositif selon l'une des revendications 11 à 14, caractérisé en ce que la seconde chambre de dépression (28, 29) présente, dans la direction de transport du transporteur de boudin (7, 8), une dimension nettement plus petite que la première chambre de dépression (15).
  16. Dispositif selon l'une des revendications 11 à 15, caractérisé en ce que la seconde chambre de dépression (28b, 29b) est disposée en amont de la première chambre de dépression (15), dans la direction de transport du transporteur de boudin (7,8).
  17. Dispositif selon l'une des revendications 11 à 15, caractérisé en ce que la seconde chambre de dépression (28a, 29a) est disposée à l'intérieur de la première chambre de dépression (15).
  18. Dispositif selon l'une des revendications 11 à 17, caractérisé en ce que la dimension de la seconde chambre de dépression (28, 29) dans la direction de transport du transporteur de boudin (7, 8) est plus grande que la dimension de l'ouverture de délivrance (26, 27) des conduits de transport (23,24).
  19. Dispositif selon l'une des revendications 11 à 18, caractérisé en ce que la seconde chambre de dépression (28, 29) est décalée, dans la direction de transport du transporteur de boudin (7, 8), par rapport à la au moins une ouverture de délivrance (26, 27) des conduits de transport (23,24).
  20. Dispositif selon l'une des revendications 11 à 19, caractérisé en ce que l'ouverture de délivrance (26a, 27a) des conduits de transport (23, 24) débouche dans les moyens d'amenée (2) destinés à amener la gerbe de tabac.
  21. Dispositif selon l'une des revendications 11 à 20, caractérisé en ce que l'orientation de l'ouverture de délivrance (26, 27) des conduits de transport (23, 24) présente une composante dans la direction de transport du transporteur de boudin (7, 8).
  22. Dispositif selon l'une des revendications 11 à 21, caractérisé en ce que dans la seconde chambre de dépression (28, 29) est disposé au moins un capteur (36, 37) pour la mesure de la dépression.
  23. Dispositif selon l'une des revendications 11 à 22, caractérisé en ce que dans la première chambre de dépression (15) est disposé un capteur (38) pour la mesure de la dépression.
  24. Dispositif selon l'une des revendications 11 à 23, caractérisé en ce que des moyens de réglage (33, 34) sont associés aux seconds moyens d'aspiration (35), pour commander le débit de l'air évacué par aspiration de la seconde chambre de dépression (28, 29).
  25. Dispositif selon la revendication 24, caractérisé en ce qu'en vue de la commande du débit d'air évacué par aspiration, il est prévu une unité de commande (39), qui est reliée aux capteurs de pression (36, 37, 38) et aux moyens de réglage (33, 34).
EP01122991A 2000-10-14 2001-09-26 Procédé et dispositif de formation d'une tige de tabac Expired - Lifetime EP1197155B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10051031A DE10051031A1 (de) 2000-10-14 2000-10-14 Verfahren und Vorrichtung zum Bilden eines Tabakstranges
DE10051031 2000-10-14

Publications (3)

Publication Number Publication Date
EP1197155A2 EP1197155A2 (fr) 2002-04-17
EP1197155A3 EP1197155A3 (fr) 2005-06-15
EP1197155B1 true EP1197155B1 (fr) 2006-07-26

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EP01122991A Expired - Lifetime EP1197155B1 (fr) 2000-10-14 2001-09-26 Procédé et dispositif de formation d'une tige de tabac

Country Status (8)

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US (2) US6877515B2 (fr)
EP (1) EP1197155B1 (fr)
JP (1) JP2002125650A (fr)
CN (1) CN1192727C (fr)
AT (1) ATE333805T1 (fr)
DE (2) DE10051031A1 (fr)
ES (1) ES2266065T3 (fr)
PL (1) PL203996B1 (fr)

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CA2499853C (fr) * 2004-03-15 2012-11-13 Universal Leaf Tobacco Company, Inc. Appareil et methode de balayage et de tri de feuilles de tabac
DE102005015781A1 (de) * 2005-04-01 2006-10-05 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Trocknen eines faserförmigen Gutes
DE102009015501B4 (de) * 2009-04-02 2011-03-31 Hauni Maschinenbau Ag Unterdruckversorgung an einer Maschine der Tabak verarbeitenden Industrie
US8281931B2 (en) * 2009-09-18 2012-10-09 Key Technology, Inc. Apparatus and method for post-threshing inspection and sorting of tobacco lamina
DE102010054098A1 (de) * 2010-12-10 2012-06-14 Riedel Filtertechnik Gmbh Regelungsanordnung für eine Zigarettenherstellungsmaschine sowie Verfahren zur Regelung des Transports des Zigarettenfüllstoffs
ES1078301Y (es) * 2012-08-06 2013-03-20 Univ Alicante Dispositivo de incorporación de aditivos sólidos insolubles pulverulentos al tabaco
DE102014223300A1 (de) * 2014-11-14 2016-05-19 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Bilden eines Tabakstranges aus zugeführten Tabakfasern
CN105639720B (zh) * 2016-03-24 2018-02-13 龙岩烟草工业有限责任公司 一种风力送丝系统的物料损失测量系统及方法

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Also Published As

Publication number Publication date
EP1197155A3 (fr) 2005-06-15
PL350074A1 (en) 2002-04-22
US6877515B2 (en) 2005-04-12
EP1197155A2 (fr) 2002-04-17
DE10051031A1 (de) 2002-04-18
ES2266065T3 (es) 2007-03-01
DE50110533D1 (de) 2006-09-07
ATE333805T1 (de) 2006-08-15
US20020043268A1 (en) 2002-04-18
CN1192727C (zh) 2005-03-16
US6814080B2 (en) 2004-11-09
JP2002125650A (ja) 2002-05-08
US20040060570A1 (en) 2004-04-01
PL203996B1 (pl) 2009-11-30
CN1347669A (zh) 2002-05-08

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