EP1152086A2 - Procédé et dispositif de fabrication d'une feuille fibreuse multicouche et/ou multijet - Google Patents

Procédé et dispositif de fabrication d'une feuille fibreuse multicouche et/ou multijet Download PDF

Info

Publication number
EP1152086A2
EP1152086A2 EP01106092A EP01106092A EP1152086A2 EP 1152086 A2 EP1152086 A2 EP 1152086A2 EP 01106092 A EP01106092 A EP 01106092A EP 01106092 A EP01106092 A EP 01106092A EP 1152086 A2 EP1152086 A2 EP 1152086A2
Authority
EP
European Patent Office
Prior art keywords
additive
fiber material
layers
fiber
layer
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
EP01106092A
Other languages
German (de)
English (en)
Other versions
EP1152086B1 (fr
EP1152086A3 (fr
Inventor
Herbert Holik
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.)
Voith Patent GmbH
Original Assignee
Voith Paper Patent 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 Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP1152086A2 publication Critical patent/EP1152086A2/fr
Publication of EP1152086A3 publication Critical patent/EP1152086A3/fr
Application granted granted Critical
Publication of EP1152086B1 publication Critical patent/EP1152086B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • D21H27/38Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets

Definitions

  • the invention relates to a method for forming a multilayer and / or multi-layer fibrous web, in particular paper or cardboard web. It also relates to a device according to the preamble of the claim 17th
  • the aim of the invention is to provide an improved method and an improved To create device of the type mentioned, in which the previously mentioned disadvantages are eliminated and in a more economical manner in particular an increase in the enrichment of the outer layers of the Fibrous web with fillers possible beyond the previous limits is.
  • this object is achieved according to the invention solved that at least one of the two outer layers and / or layers the fibrous web is produced using fiber material whose wetted fiber surfaces at least partially contain at least one additive, preferably filler, or its fibers at least partially with at least one additive, in particular filler, were loaded.
  • dry fiber surfaces can mean all wetted surfaces of the individual fibers. This is especially the case Case recorded in which the fibers with the additive or filler both are loaded on their outer surface and inside (lumen).
  • This Binding of the fillers to the fiber surface is relatively strong. Thereby there is a high retention of the filler of the outer layers or -Layers of the paper with little white water pollution and relatively less Filler concentration of the suspension in the outer layers or layers in the headbox. If necessary, you can also use conventional Way to further increase the filler content of the layers or layers.
  • the invention is not only in the formation of a fibrous web from in the z direction, i.e.
  • coated fiber suspensions with different additive or filler contents but basically even when a fibrous web is formed from layers layered in the z direction Fibrous suspensions with the same filler content can be used.
  • the invention can be used not only in the preferred multilayer sheet formation, but basically also in the conventional multi-layer sheet formation are used. It is essential that for the substances in a so-called "fiber loading" is used in the outer layers or layers described as such in US-A-5,223,090. When in this The process described in the publication will apply to the entire fabric accordingly treated. Otherwise, when storing additional or
  • the additive is expediently on the outer surfaces of the Hollow fibers attached, wherein he preferably also both in the inner Cavities as well as embedded in the walls of the hollow fibers becomes.
  • the additive is thus applied to the "wetted" fiber surface, So both on the outer surface and on the inside Cavities and also deposited in the walls of the hollow fibers.
  • Processes are used to form at least two and in particular at least three-layer or three-layer fibrous web both or only one of the outer layers or layers of the fibrous web produced using fiber material, on the wetted Fiber surfaces at least partially at least one additive has been. Both or only one outer layer or - location of the fibrous web are produced using fiber material, the hollow fibers at least partially with at least one additive were loaded, preferably again both on the outer surfaces the fibers as well as in the interior.
  • the additive can in particular comprise at least one filler.
  • At least two and in particular at least three-layer or layered fibrous web at least one of the two outer layers or layers with a higher additional or.
  • Filler content generated as the at least one middle layer or layer.
  • the process uses calcium carbonate as an additive or filler wetted fiber surfaces.
  • a preferred advantageous embodiment is characterized in that a calcium oxide and / or calcium hydroxide agent is added to a moist, disintegrated fiber material so that at least some of it is associated with the water present in the fiber material, and that the treated material is added to the moist, disintegrated fiber material Carbon dioxide is applied to the fiber material in such a way that the addition of calcium carbonate to the wetted fiber surfaces results from a corresponding chemical reaction. This does not mean that 2 water of the fibrous suspension to be chemically reacted by addition of CaO and / or Ca (OH).
  • the agent containing calcium oxide and / or calcium hydroxide expediently in a proportion of approximately 0.1 to approximately 50% by weight based on the dry weight of the fiber material in question.
  • the fiber material is advantageously closed Containers loaded with carbon dioxide containing the carbon dioxide gas in question is put under pressure accordingly.
  • the fiber material during a mixing process to which it is exposed to a particularly high shear effect with Carbon dioxide is applied.
  • the mixing process is expediently carried out with a shear effect that is at least so high that an energy input of at least about 10 to 50 watt-hours per kilogram Fiber on a dry weight basis.
  • the fiber material is preferred on the one hand pulp dissolved in a pulper or waste paper dissolved with additives and on the other hand non-dried fiber ("never dried pulp ”) is used. Both uses bring depending on the application both process engineering (including short process times), process engineering (including good controllability) as well as cost-effective (including cost saving potential) Benefits.
  • the device according to the invention is accordingly characterized in that that at least one to form an outer layer and / or The outer layer of the fibrous web provides the stock suspension feed can be loaded with fiber material, at least on the fiber surfaces partially at least one additive is deposited.
  • the device comprises at least one multilayer headbox, which is used to form two Layers or to form two outer layers and at least one interposed inner layer at least two or at least has three stock suspension feeders and in which only one or only the two stock suspension feeds used to form a respective outer layer are loaded with fiber material, at the Fiber surfaces at least partially at least one additive has been.
  • Headboxes include and that only one or only two of education a headbox serving with a respective outer layer with fiber material can be acted upon, at least partially on the fiber surfaces thereof an additive is attached.
  • the additive or filler can again be calcium carbonate, for example act.
  • the device comprises at least one multilayer headbox which is used for Formation of two layers has two stock suspension feeders and in which only one of these two stock suspension feeds with fiber material can be acted on, on the fiber surfaces at least partially at least one additive is deposited in the manner described above has been.
  • the device comprises to form several layers at least two headboxes, from which can be loaded with at least one fiber material, at the wetted fiber surfaces at least partially at least one additive in the manner described above.
  • the fiber material is preferred on the one hand pulp dissolved in a pulper or waste paper dissolved with additives and on the other hand non-dried fiber ("never dried pulp ”) can be used.
  • Figure 1 shows a simplified process diagram for possible treatment of pulp, which is then used to form at least one of the two outer layers of a multilayer fibrous web used becomes.
  • the fibrous web can in particular be a paper or Trade cardboard web.
  • the wetted fiber surfaces of the fiber material in question are used at least partially at least one additive, preferably a filler, attached.
  • the filler is deposited on the outer surfaces of the hollow fibers as well as an intercalation in the wetted internal cavities (lumens) and the walls of the Hollow fibers.
  • the present fibrous stock material 10 is processed in a pulper 12 to a fibrous material 14 in which the fibers are then at least essentially already separated, that is to say separated from one another.
  • the fiber material 14 at least partially contains water. This can be between the fibers as well as in the interior (lumens) and in the walls of the hollow fibers.
  • the fiber material 14 can be provided, for example, in the form of a so-called "dewatered crumb pulp" (cf. US Pat. No. 5,223,090), which means that although water is stored in the hollow fibers of the fiber material 14, there is no free one in the fiber material Water is included.
  • the pulp 12 can be used, on the one hand, preferably pulp 12 or pulp paper with additives, and on the other hand non-dried pulp (“never dried pulp”).
  • the fiber material 14 is then fed to a collecting container 16 or the like, in which an agent 18 containing calcium oxide and / or calcium hydroxide (slaked lime) is added in such a way that at least a part thereof coincides with that in the fiber material, ie between the fibers, in the hollow fibers and associated in their walls, existing water.
  • an agent 18 containing calcium oxide and / or calcium hydroxide slaked lime
  • the fiber material 14 is fed to a "fiber loading” reactor 24.
  • the fiber material 14 is then exposed to carbon dioxide (CO 2 ) in such a way that calcium carbonate (CaCO 3 ) is deposited on the wetted fiber surfaces.
  • CO 2 carbon dioxide
  • CaCO 3 calcium carbonate
  • valve 26 designed as a rotary valve suitably treated fiber material 14 then the respective one outer layer assigned stock suspension feed of the headbox 28 of the paper machine 30 in question.
  • the calcium oxide and / or calcium hydroxide can be in the collecting container 16 contained means 18, for example, in a proportion of about 0.1 up to about 50% by weight based on the dry weight of the fiber material in question be added.
  • the reactor 24 expediently comprises a closed container, pressurized with the relevant carbon dioxide gas becomes.
  • the fiber material 14 in this reactor 24 can be one Be subjected to mixing process, in which there is a particularly higher Is exposed to shear. The exposure to carbon dioxide then takes place during the mixing process.
  • This mixing process can for example with a shear effect, at least so It is high that there is an energy input of at least about 10 to about 50 Watt hours per kilogram of fiber on a dry weight basis.
  • FIG. 3 shows a possible embodiment of a headbox 28 in FIG paper machine 30 shown in FIG. 1.
  • the headbox 28 is in the z direction, i.e. in the thickness direction of the to be formed Fiber web 34, sectioned.
  • sections are three arranged one above the other Stock suspension feeders 36, 38 and 40 are provided, respectively into a corresponding section of a section divided by slats 42 Chamber 44 of the headbox 28 open.
  • the headbox 28 has a turbulence generator 48.
  • the fins 42 also extend into the turbulence generator 48, so that this is also sectioned accordingly.
  • Nozzle 46 Even the interior of the Nozzle 46 can be sectioned accordingly, for which purpose in the present case for example, slats 50 can be provided. This results in a Multi-layer headbox to form a multi-layer, in the present Case of a three-layer fibrous web 34.
  • Each of the transversely y resultant section is respectively assigned to a mixer section 52 in which a portion of the suspension flow Q H is a partial suspension stream Q L admixed.
  • These two partial suspension streams can have a different consistency, for example.
  • the suspension partial flow Q H fed to the headbox 28, for example via a transverse distributor line 54 is fed to the various section mixers 52 via branch lines 56.
  • the suspension partial flow Q L fed to the headbox 28 via a transverse distributor line 58 is fed to the various section mixers 52 via branch lines 60 and corresponding metering devices 62.
  • the metering device 62 can comprise corresponding valves, for example.
  • the mixed flow Q M obtained by a respective section mixer 52 is divided between the three stock suspension feeds 36, 38 and 40 of a respective section.
  • each fiber material is supplied, in the hollow fibers, an additive, preferably a filler that is stored.
  • the fiber material in question can a distributor line 68 running in the transverse direction is supplied, from that of a respective section resulting in the transverse direction branch the lines 64 assigned to the headbox 28.
  • the various supply lines 64 each open at an angle ⁇ a feed line 70, via which the fiber material, preferably filled with filler a further additive, preferably diluent or White water, can be mixed.
  • This additive can also be used for example again via transverse distribution lines 72 are fed, of which the various, the individual are in Branch off the supply lines 70 assigned to the transverse direction of the sections.
  • a valve 74 is provided in each of the feed lines 70.
  • the angle ⁇ is expediently chosen so that the respective Dosing device 66 of the substance suspension feed 36 in question or 40 total current supplied remains constant regardless of the ratio, in which the dilution water is added.
  • the various branch lines 60 can each open into the relevant section mixer 52 at such an angle that the mixed flow Q M resulting at the outlet of the respective mixer 52 remains constant irrespective of the ratio in which the two partial substreams Q H and Q L to the headbox 28 are supplied.
  • valves can also be provided, for example, between the cross line 54 and the section mixers 52, the mixed flow Q M in the event of a change in the ratio between the two partial suspension flows Q H and Q L then being actuated accordingly by both these valves and the valves 62 is kept constant.

Landscapes

  • Paper (AREA)
  • Multicomponent Fibers (AREA)
  • Nonwoven Fabrics (AREA)
EP01106092A 2000-05-05 2001-03-13 Procédé de fabrication d'une feuille fibreuse multicouche et/ou multijet Expired - Lifetime EP1152086B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10021979A DE10021979A1 (de) 2000-05-05 2000-05-05 Verfahren sowie Vorrichtung zur Bildung einer mehrschichtigen und/oder mehrlagigen Faserstoffbahn
DE10021979 2000-05-05

Publications (3)

Publication Number Publication Date
EP1152086A2 true EP1152086A2 (fr) 2001-11-07
EP1152086A3 EP1152086A3 (fr) 2002-08-07
EP1152086B1 EP1152086B1 (fr) 2004-06-02

Family

ID=7640928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106092A Expired - Lifetime EP1152086B1 (fr) 2000-05-05 2001-03-13 Procédé de fabrication d'une feuille fibreuse multicouche et/ou multijet

Country Status (5)

Country Link
US (1) US6627042B2 (fr)
EP (1) EP1152086B1 (fr)
AT (1) ATE268411T1 (fr)
CA (1) CA2345600A1 (fr)
DE (2) DE10021979A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011151525A1 (fr) * 2010-06-03 2011-12-08 Nordkalk Oy Ab Procédé de fabrication de papier ou de carton

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10117236A1 (de) * 2001-04-06 2002-10-17 Voith Paper Patent Gmbh Verfahren und Vorrichtung zur Bildung einer Faserstoffbahn
WO2002099191A1 (fr) * 2001-06-06 2002-12-12 Kemira Chemicals Oy Procede de fabrication d'un produit de pulpe multicouche comprenant une charge entre les couches
FI122074B (fi) * 2002-10-24 2011-08-15 M Real Oyj Menetelmä kuitutuotteen valmistamiseksi
SE534151C2 (sv) * 2009-02-16 2011-05-10 Stora Enso Ab Process för tillverkning av papper eller kartong
FI124831B (fi) * 2010-03-10 2015-02-13 Upm Kymmene Oyj Menetelmä ja reaktori kalsiumkarbonaatin in-line-valmistamiseksi paperimassavirtaukseen
FI125278B (fi) * 2010-08-20 2015-08-14 Upm Kymmene Corp Menetelmä kalsiumkarbonaatin saostamiseksi sekä menetelmän käyttö
FI124859B (fi) * 2011-06-21 2015-02-27 Upm Kymmene Corp Painopaperituote sekä menetelmä ja järjestelmä painopaperituotteen valmistamiseksi
US10280565B2 (en) 2016-02-26 2019-05-07 Ecolab Usa Inc. Drainage management in multi-ply papermaking
DE102016121039A1 (de) * 2016-11-04 2018-05-09 Voith Patent Gmbh Vorrichtung und Verfahren zur Herstellung einer Faserstoffbahn

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1940321A1 (de) * 1968-08-08 1970-07-30 Salomon Neumann Verfahren zur Herstellung eines faserigen Fuellmaterials
FI75200B (fi) 1986-07-04 1988-01-29 Valmet Oy Foerfarande vid pappersframstaellningsprocess foer foerbaettring av egenskaper hos papperet, saerskilt dess retention.
US5223090A (en) * 1991-03-06 1993-06-29 The United States Of America As Represented By The Secretary Of Agriculture Method for fiber loading a chemical compound
FR2689530B1 (fr) 1992-04-07 1996-12-13 Aussedat Rey Nouveau produit complexe a base de fibres et de charges, et procede de fabrication d'un tel nouveau produit.
DE4237309A1 (fr) 1992-11-05 1993-04-08 Voith Gmbh J M
FI92729C (fi) * 1993-10-29 1994-12-27 Valmet Paper Machinery Inc Monikerrosperälaatikon massansyöttöjärjestelmä ja menetelmä monikerrosperälaatikkokäytössä
DE4436317C2 (de) * 1994-10-11 1998-10-29 Nalco Chemical Co Verfahren zur Verbesserung der Retention von Mineral-Füllstoffen und Cellulosefasern auf einem Cellulose-Faserbogen
US5665205A (en) * 1995-01-19 1997-09-09 International Paper Company Method for improving brightness and cleanliness of secondary fibers for paper and paperboard manufacture
US6210535B1 (en) * 1995-06-01 2001-04-03 Valmet Corporation Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
DE19627669C2 (de) 1996-07-10 2001-03-01 Stora Enso Publication Paper A Verfahren zur Verbesserung von Druckpapieren
FI115646B (fi) * 1996-11-26 2005-06-15 Metso Paper Inc Paperikoneen/kartonkikoneen monikerrosperälaatikko
CA2324459A1 (fr) * 1998-03-23 1999-09-30 Pulp And Paper Research Institute Of Canada Procede de production de pate a papier et de papier au moyen d'une charge de carbonate de calcium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011151525A1 (fr) * 2010-06-03 2011-12-08 Nordkalk Oy Ab Procédé de fabrication de papier ou de carton
US8758566B2 (en) 2010-06-03 2014-06-24 Nordkalk Oy Ab Process for manufacturing paper or board
AU2011260153B2 (en) * 2010-06-03 2014-07-03 Nordkalk Oy Ab Process for manufacturing paper or board

Also Published As

Publication number Publication date
US20010045265A1 (en) 2001-11-29
US6627042B2 (en) 2003-09-30
EP1152086B1 (fr) 2004-06-02
DE50102455D1 (de) 2004-07-08
EP1152086A3 (fr) 2002-08-07
CA2345600A1 (fr) 2001-11-05
DE10021979A1 (de) 2001-11-08
ATE268411T1 (de) 2004-06-15

Similar Documents

Publication Publication Date Title
DE60106253T2 (de) Verfahren zur papierherstellung mittels faser- und füllstoff-komplexen
DE69806168T2 (de) Kraftpapier und verfahren zu seiner herstellung
EP1172478B1 (fr) Procédé pour le chargement de fibres avec carbonate de calcium
DE2731934A1 (de) Verfahren zum herstellen von papier oder dergleichen
DE112004001313T5 (de) Verfahren zur Herstellung von Papier und Papier
EP1828478A1 (fr) Procede et dispositif de chargement de fibres ou de cellulose contenues dans une suspension au moyen d'une charge
EP1152086B1 (fr) Procédé de fabrication d'une feuille fibreuse multicouche et/ou multijet
EP2038477A1 (fr) Procede pour ajouter une charge a une suspension de fibres
DE60109193T2 (de) Verfahren zur herstellung von papier mit konstantem füllstoffgehalt
EP1682722A1 (fr) Procede pour charger une suspension fibreuse et systeme pour mettre ledit procede en oeuvre
DE19828952B4 (de) Verfahren zur Erzeugung von satiniertem Papier
EP1618253A2 (fr) Procede de fabrication d'une substance fibreuse determinee pour produire une bande de tissu ou une bande a usage hygienique
DE10135699A1 (de) Verfahren zur Aufbereitung von Trockenausschuss
EP4328381A1 (fr) Procédé de fabrication d'un récipient contenant des fibres et dispositif pour la mise en oeuvre du procédé
WO2022129052A9 (fr) Procédé de séparation de matières fines cellulosiques contenues dans des suspensions fibreuses et/ou des filtrats
DE69737300T3 (de) Verfahren zur herstellung einer materialbahn
DE3035634C2 (de) Verfahren zur Herstellung eines Calciumcarbonat als Füllstoff enthaltenden massegeleimten Papiers oder Kartons
EP1243693A2 (fr) Procédé pour charger des fibres en suspension avec un additif
DE102007029688A1 (de) Verfahren zum Bilden von Füllstoffen, insbesondere Calciumcarbonat in einer Suspension
EP0989230B1 (fr) Procédé et dispositif pour tenir propre ou pour nettoyer le conduit de la faible consistance d'un système de caisse de tête
DE102007007295A1 (de) Verfahren zum Bilden von Füllstoffen, insbesondere Calciumcarbonat in einer Faserstoffsuspension
EP1397551A2 (fr) Procede de fabrication de cellulose
DE102007018726A1 (de) Verfahren zum Bilden von Füllstoffen, insbesondere Calciumcarbonat in einer Faserstoffsuspension
DE102007018240A1 (de) Verfahren zur Bildung von Calciumcarbonat in einer Faserstoffsuspension
DE102006034003A1 (de) Verfahren zum Ausfällen von Füllstoffen, insbesondere Calciumcarbonat in einer wässrigen Flüssigkeit

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RIC1 Information provided on ipc code assigned before grant

Free format text: 7D 21H 27/38 A, 7D 21F 11/04 B, 7D 21H 23/20 B, 7D 21H 17/00 B

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20030207

AKX Designation fees paid

Designated state(s): AT DE FI SE

17Q First examination report despatched

Effective date: 20030325

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RTI1 Title (correction)

Free format text: PROCESS FOR MAKING A MULTIPLY AND /OR MULTILAYER FIBROUS WEB

RTI1 Title (correction)

Free format text: PROCESS FOR MAKING A MULTIPLY AND /OR MULTILAYER FIBROUS WEB

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT DE FI SE

REF Corresponds to:

Ref document number: 50102455

Country of ref document: DE

Date of ref document: 20040708

Kind code of ref document: P

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: GERMAN

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050303

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20080314

Year of fee payment: 8

Ref country code: SE

Payment date: 20080313

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20080314

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080321

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090313

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090313

EUG Se: european patent has lapsed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20091001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090314