EP1291462A1 - Clamping connection in an extended-nip press roll - Google Patents

Clamping connection in an extended-nip press roll Download PDF

Info

Publication number
EP1291462A1
EP1291462A1 EP02019752A EP02019752A EP1291462A1 EP 1291462 A1 EP1291462 A1 EP 1291462A1 EP 02019752 A EP02019752 A EP 02019752A EP 02019752 A EP02019752 A EP 02019752A EP 1291462 A1 EP1291462 A1 EP 1291462A1
Authority
EP
European Patent Office
Prior art keywords
ring
clamping
nip
long
press
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
EP02019752A
Other languages
German (de)
French (fr)
Other versions
EP1291462B1 (en
Inventor
Bernhard Dr. Brendel
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.)
Andritz Kuesters GmbH
Original Assignee
Eduard Kuesters Maschinenfabrik GmbH and Co KG
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 Eduard Kuesters Maschinenfabrik GmbH and Co KG filed Critical Eduard Kuesters Maschinenfabrik GmbH and Co KG
Publication of EP1291462A1 publication Critical patent/EP1291462A1/en
Application granted granted Critical
Publication of EP1291462B1 publication Critical patent/EP1291462B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0218—Shoe presses
    • D21F3/0227—Belts or sleeves therefor
    • D21F3/0245—Means for fixing the sleeve to the roller end

Definitions

  • the invention relates to an extended-nip roller press for dewatering a Fibrous web according to the preamble of claim 1.
  • Such an extended-nip roller press is known, for example, from DE 297 02 362 U1 known.
  • a clamping ring is provided, which on a section cylindrical part of the end wall is axially displaceable.
  • the bulkhead is also assigned an outer ring, so that in the peripheral region of the end wall to the opposite other end wall open ring groove is formed, the radially inward through the axially extending inside the roll cylindrical part of the end wall and radially outwards through a Inner peripheral surface of the outer ring is limited.
  • the clamping ring includes one Wedge section with a conical outer peripheral surface with which this in the Ring groove engages.
  • An elastic expansion ring is also inserted in the ring groove, whose inner peripheral surface is one with the conical outer peripheral surface of the Clamping ring cooperating conical counter surface.
  • the outer peripheral surface of the expansion ring is cylindrical and with Grooves to increase grip.
  • rubber-elastic sealing material may be used.
  • the object of the invention is therefore to provide an extended-nip roller press Preamble of claim 1 to create, in which the attachment of the respective End portion of the roll shell ensures a reliable seal.
  • This task is characterized by the characteristics of the characteristic part of the Claim 1 solved.
  • Fig. 1 shows the upper half of the right part of an extended-nip press roll 1, the with a rotating counter roll, not shown, a press nip Dewatering a web of material in an extended-nip roller press.
  • the extended-nip press roll 1 comprises a fixed support, not shown and a roll shell 2 rotatable about the carrier, which consists of a flexible Material, e.g. There is rubber or plastic.
  • the roll shell 2 is tubular and in between the two roller ends located, with the counter roll forming the nip area at least one support element, not shown, the so-called press shoe, supported. Between the inside of the roll shell and the press shoe is on A lubricating film is generated hydrodynamically or hydrostatically.
  • This expansion ring 5 has a cylindrical Outer peripheral surface 6 and an at least partially conical Inner peripheral surface 7.
  • This conical inner peripheral surface 7 of the Spreading ring 5 forms one with a conical outer peripheral surface 8 Clamping ring 9 cooperating conical counter surfaces.
  • the clamping ring 9 is on an at least partially cylindrical part 10 of the end wall 3 axially slidably mounted.
  • This sectionally cylindrical part 10 extends starting from a flange 11 of the end wall 3 axially into the inside of the roll.
  • the end wall 3 has an annular groove 12 into which the clamping ring 9 and the expansion ring 5 are used.
  • an actuating device 13 provided, which is designed here as a bolt or screw and with a Shank section from the roller end through an axial through hole 14 in Flange 11 extends.
  • the through hole 14 has a stop for this the bolt or screw head.
  • a threaded section 15 engages Actuating device 13 into an axial threaded bore 16 in the clamping ring 9.
  • the expansion ring 5, which together with the clamping ring 9 into the annular groove 12 is used, has a radially extending end face 18 with which the Spreading ring 5 slidably on a head side 17 of the flange 11 supported.
  • the end wall 3 is also assigned an outer ring 19 which is secured by means of screws 30 is releasably connectable to the end wall 3.
  • the clamping ring 9 has an axially tapering wedge section on, which forms the conical outer peripheral surface 8, which with the conical Inner circumferential surface 7 of the expansion ring cooperates.
  • FIG. 1 forms the outer peripheral surface the flange 11 with a clamping piece 22 an annular groove 23 for receiving a Sealing ring 24, which is preferably made of a solid elastomer, for. B. Rubber.
  • the sealing ring 24 preferably has in the unloaded state a round cross section.
  • the clamping piece 22 is axially movable on the flange 11 led, what this at least on the side facing away from the inside of the roller Sectionally cylindrical portion 25 on which a cylindrical Counter surface 26 of the clamping piece 22 is axially movable to the annular groove 24 in to be able to reduce their axial dimension.
  • the sealing ring 24 pressed together, whereby this is elastically deformed and radial extended, as shown in Fig. 3.
  • the sealing ring 24 is by the Clamping piece 22 clamped in such a way that the end section 4 of the Roll jacket 2 sealing on the inner circumferential surface 20 of the outer ring 19 clamps.
  • the clamping piece 22 is by means of a second actuator 21, the works separately from the first actuator 13 against one End of the flange 11 facing the roller end can be moved.
  • the second Actuating device 21 here corresponds to the first actuating device 13 designed as a bolt or screw, which with its threaded shaft 27 in a axial threaded bore 28 engages in the flange 11.
  • the clamping piece 22 has one Through hole 29 with a stop for receiving the second Actuator 21 on.
  • Fig. 3 shows the parallel clamp and seal.
  • the roll shell 2 can be in the edge side Retaining pins 31 can be used. Furthermore, a protective cover 32 can be provided on the edge be attached.
  • the sealing ring on the the side of the flange facing the inside of the roller, while the clamping ring with expansion ring then on the side facing the roller end the flange is arranged as shown in Fig. 4 ..

Landscapes

  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Gasket Seals (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The long-gap roller press (1), to extract water from a web material in a press gap between a rotating counter roller and a long-gap press roller, has a press shoe for a flexible mantle (2) at the press gap. The rotating end walls (3) at the carrier are clamped with sealing with a clamping ring (9), as an elastic expanding ring (5) with a cylindrical outer surface (6), which is pressed radially against an outer ring (19) to clamp an end section (4) of the roller mantle. A sealing ring (24), in one piece of an elastomer material e.g. rubber, is next to the clamping ring at each end wall, which has a radial distortion against the outer ring by pressing an axial section of the roller mantle end section against the outer ring. The clamping ring is set by screw bolts (13), and screw bolts (30) hold the outer ring.

Description

Die Erfindung betrifft eine Langspalt-Walzenpresse zum Entwässern einer Faserstoffbahn nach dem Oberbegriff des Anspruchs 1.The invention relates to an extended-nip roller press for dewatering a Fibrous web according to the preamble of claim 1.

Eine derartige Langspalt-Walzenpresse ist beispielsweise aus DE 297 02 362 U1 bekannt. Danach ist zum Festklemmen des jeweiligen Endabschnitts des Walzenmantels ein Klemmring vorgesehen, der auf einem abschnittsweise zylindrischen Teil der Stirnwand axial verschiebbar gelagert ist. Der Stimwand ist ferner ein Außenring zugeordnet, so daß im Umfangsbereich der Stirnwand eine zur gegenüberliegenden anderen Stirnwand hin offene Ringnut gebildet wird, die radial nach innen durch den sich axial ins Walzeninnere erstreckenden zylindrischen Teil der Stirnwand und radial nach außen durch eine Innenumfangsfläche des Außenringes begrenzt wird. Der Klemmring umfaßt einen Keilabschnitt mit einer konischen Außenumfangsfläche, mit der dieser in die Ringnut eingreift. In die Ringnut ist zusätzlich ein elastischer Spreizring eingesetzt, dessen Innenumfangsfläche eine mit der konischen Außenumfangsfläche des Klemmringes zusammenwirkende konische Gegenfläche bildet. Die Außenumfangsfläche des Spreizringes ist dagegen zylindrisch ausgebildet und mit Rillen versehen, um die Haftung zu erhöhen. In diese Rillen kann beispielsweise gummielastisches Dichtmaterial eingesetzt sein. In einer Klemmstellung des Klemmringes, bei der der Spreizring aufgrund eines Wirkeingriffs der Keilflächen radial aufgeweitet ist, wird der Endabschnitt des Walzenmantels dichtend in einem Klemmspalt festgeklemmt, der durch die zylindrische Außenumfangsfläche des Spreizringes und die zylindrische Innenumfangsfläche des Außenringes gebildet wird. Der Walzenmantel wird dadurch gegen die zylindrische Innenfläche des Außenringes gepreßt.Such an extended-nip roller press is known, for example, from DE 297 02 362 U1 known. Thereafter, to clamp the respective end section of the Roll sleeve a clamping ring is provided, which on a section cylindrical part of the end wall is axially displaceable. The bulkhead is also assigned an outer ring, so that in the peripheral region of the end wall to the opposite other end wall open ring groove is formed, the radially inward through the axially extending inside the roll cylindrical part of the end wall and radially outwards through a Inner peripheral surface of the outer ring is limited. The clamping ring includes one Wedge section with a conical outer peripheral surface with which this in the Ring groove engages. An elastic expansion ring is also inserted in the ring groove, whose inner peripheral surface is one with the conical outer peripheral surface of the Clamping ring cooperating conical counter surface. The The outer peripheral surface of the expansion ring, however, is cylindrical and with Grooves to increase grip. For example, in these grooves rubber-elastic sealing material may be used. In a clamped position of the Clamping ring in which the expansion ring due to an active engagement of the wedge surfaces is radially expanded, the end portion of the roll shell is sealed in one Clamping gap clamped by the cylindrical outer peripheral surface of the Spreading ring and the cylindrical inner peripheral surface of the outer ring formed becomes. The roll shell is thereby against the cylindrical inner surface of the Outer ring pressed.

Als nachteilig erwiesen hat sich jedoch, daß die Dichtwirkung in der Klemmstellung nicht hinreichend gut ist.It has proven disadvantageous, however, that the sealing effect in the Clamping position is not sufficiently good.

Aufgabe der Erfindung ist es daher, eine Langspalt-Walzenpresse nach dem Oberbegriff des Anspruchs 1 zu schaffen, bei der die Befestigung des jeweiligen Endabschnitts des Walzenmantels eine zuverlässige Abdichtung gewährleistet.The object of the invention is therefore to provide an extended-nip roller press Preamble of claim 1 to create, in which the attachment of the respective End portion of the roll shell ensures a reliable seal.

Diese Aufgabe wird durch die Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst.This task is characterized by the characteristics of the characteristic part of the Claim 1 solved.

Hierdurch wird eine Langspalt-Walzenpresse geschaffen, bei der der Klemmeingriff und der Dichtungseingriff funktionell getrennt sind. Mittels separat wirkender Betätigungseinrichtungen werden der Klemmring und der Dichtring getrennt angezogen. Ein individuelles Einstellen und/oder Nachstellen des Klemmringes und des Dichtringes sind jeweils bedarfsbezogen möglich.This creates an extended-nip roller press in which the Clamping engagement and the sealing engagement are functionally separated. By means of separately Acting actuators are the clamping ring and the sealing ring dressed separately. An individual adjustment and / or readjustment of the The clamping ring and the sealing ring are each possible depending on requirements.

Weitere Vorteile und Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen. Further advantages and refinements of the invention are as follows Description and the dependent claims.

Die Erfindung wird nachstehend anhand der in den beigefügten Abbildungen dargestellten Ausführungsbeispiele näher erläutert.

  • Fig. 1 zeigt schematisch einen Teilschnitt durch ein Ende einer Langspalt-Preßwalze mit Klemmring und Dichtring in Außereingriffsstellung,
  • Fig. 2 zeigt schematisch einen Teilschnitt durch ein Ende einer Langspalt-Preßwalze mit Klemmring in Eingriffsstellung und Dichtring in Außereingriffsstellung,
  • Fig. 3 zeigt schematisch einen Teilschnitt durch ein Ende einer Langspalt-Preßwalze mit Klemmring und Dichtring in Eingriffsstellung.
  • Fig. 4 zeigt schematisch einen Teilschnitt eines zweiten Ausführungsbeispiels.
    • The invention is explained in more detail below on the basis of the exemplary embodiments illustrated in the attached figures.
  • 1 schematically shows a partial section through one end of an extended-nip press roll with clamping ring and sealing ring in the disengaged position,
  • 2 schematically shows a partial section through one end of an extended nip press roll with clamping ring in the engaged position and sealing ring in the disengaged position,
  • Fig. 3 shows schematically a partial section through one end of an extended-nip press roll with clamping ring and sealing ring in the engaged position.
  • Fig. 4 shows schematically a partial section of a second embodiment.

    • Fig. 1 zeigt die obere Hälfte des rechten Teils einer Langspalt-Preßwalze 1, die mit einer nicht dargestellten rotierenden Gegenwalze einen Preßspalt zum Entwässern einer Materialbahn in einer Langspalt-Walzenpresse bildet.Fig. 1 shows the upper half of the right part of an extended-nip press roll 1, the with a rotating counter roll, not shown, a press nip Dewatering a web of material in an extended-nip roller press.

    Die Langspalt-Preßwalze 1 umfaßt einen nicht dargestellten, feststehenden Träger und einen um den Träger drehbaren Walzenmantel 2, der aus einem flexiblen Material, z.B. Gummi oder Kunststoff besteht. Der Walzenmantel 2 ist schlauchförmig ausgebildet und im zwischen den beiden Walzenenden gelegenen, mit der Gegenwalze den Preßspalt bildenden Bereich durch wenigstens ein nicht dargestelltes Stützelement, dem sogenannten Preßschuh, abgestützt. Zwischen der Walzenmantelinnenseite und dem Preßschuh wird auf hydrodynamischer bzw. hydrostatischer Weise ein Schmierfilm erzeugt. The extended-nip press roll 1 comprises a fixed support, not shown and a roll shell 2 rotatable about the carrier, which consists of a flexible Material, e.g. There is rubber or plastic. The roll shell 2 is tubular and in between the two roller ends located, with the counter roll forming the nip area at least one support element, not shown, the so-called press shoe, supported. Between the inside of the roll shell and the press shoe is on A lubricating film is generated hydrodynamically or hydrostatically.

    An dem Träger sind zwei Stirnwände 3 abgestützt, von denen lediglich die rechte gezeigt ist. An diesen Stirnwänden 3 sind die beiden Endabschnitte 4 des Walzenmantels 2 luft- und öldicht befestigt. Hierzu sind die Endabschnitte 4 an der zugehörigen Stirnwand 3 festgeklemmt, wie dies nachstehend unter Bezugnahme auf die Figuren 1 bis 3 erläutert wird.Two end walls 3 are supported on the carrier, of which only the right one is shown. On these end walls 3, the two end portions 4 of the Roll shell 2 attached airtight and oilproof. For this purpose, the end sections 4 on the associated end wall 3 clamped, as below with reference on the figures 1 to 3 is explained.

    Zum Festklemmen des jeweiligen Endabschnitts 4 des Walzenmantels 2 ist ein Spreizring 5 vorgesehen. Dieser Spreizring 5 weist eine zylindrische Außenumfangsfläche 6 und eine zumindest abschnittsweise konische Innenumfangsfläche 7 auf. Diese konische Innenumfangsfläche 7 des Spreizringes 5 bildet mit einer konischen Außenumfangsfläche 8 eines Klemmringes 9 zusammenwirkende konische Gegenflächen. Der Klemmring 9 ist auf einem zumindest abschnittsweise zylindrischen Teil 10 der Stirnwand 3 axial verschiebbar gelagert. Dieser abschnittsweise zylindrische Teil 10 erstreckt sich ausgehend von einem Flansch 11 der Stirnwand 3 axial ins Walzeninnere. Zum Walzeninneren begrenzt der Flansch 11 zusammen mit dem zylindrischen Teil 10 der Stirnwand 3 eine Ringnut 12, in die der Klemmring 9 und der Spreizring 5 eingesetzt sind.To clamp the respective end section 4 of the roll shell 2 is a Spreading ring 5 is provided. This expansion ring 5 has a cylindrical Outer peripheral surface 6 and an at least partially conical Inner peripheral surface 7. This conical inner peripheral surface 7 of the Spreading ring 5 forms one with a conical outer peripheral surface 8 Clamping ring 9 cooperating conical counter surfaces. The clamping ring 9 is on an at least partially cylindrical part 10 of the end wall 3 axially slidably mounted. This sectionally cylindrical part 10 extends starting from a flange 11 of the end wall 3 axially into the inside of the roll. To the The flange 11 delimits the inside of the roll together with the cylindrical part 10 the end wall 3 has an annular groove 12 into which the clamping ring 9 and the expansion ring 5 are used.

    Um den Klemmring 9 axial zu verfahren, ist eine Betätigungseinrichtung 13 vorgesehen, die hier als Bolzen oder Schraube ausgebildet ist und sich mit einem Schaftabschnitt vom Walzenende her durch eine axiale Durchgangsbohrung 14 im Flansch 11 erstreckt. Die Durchgangsbohrung 14 weist dazu einen Anschlag für den Bolzen- oder Schraubenkopf auf. Mit einem Gewindeabschnitt 15 greift die Betätigungseinrichtung 13 in eine axiale Gewindebohrung 16 im Klemmring 9 ein. Mittels der Betätigungseinrichtung 13, d.h drehen der Schraube oder des Bolzens, ist der Klemmring 9 gegenüber dem Flansch 11 verfahrbar, also auf diesen zubewegbar für ein Festklemmen der Endabschnitte 4 des Walzenmantels 2 oder von diesem wegbewegbar für ein Lösen der Klemmung. In order to move the clamping ring 9 axially, an actuating device 13 provided, which is designed here as a bolt or screw and with a Shank section from the roller end through an axial through hole 14 in Flange 11 extends. The through hole 14 has a stop for this the bolt or screw head. With a threaded section 15 engages Actuating device 13 into an axial threaded bore 16 in the clamping ring 9. By means of the actuating device 13, i.e. turning the screw or the bolt, the clamping ring 9 is movable relative to the flange 11, that is to say on the latter moveable for clamping the end sections 4 of the roll shell 2 or movable away from this for releasing the clamping.

    Der Spreizring 5, der zusammen mit dem Klemmring 9 in die Ringnut 12 eingesetzt ist, besitzt eine radial sich erstreckende Stirnfläche 18, mit der der Spreizring 5 sich an einer Kopfseite 17 des Flansches 11 gleitverschieblich abstützt.The expansion ring 5, which together with the clamping ring 9 into the annular groove 12 is used, has a radially extending end face 18 with which the Spreading ring 5 slidably on a head side 17 of the flange 11 supported.

    Der Stirnwand 3 ist ferner ein Außenring 19 zugeordnet, der mittels Schrauben 30 lösbar mit der Stirnwand 3 verbindbar ist.The end wall 3 is also assigned an outer ring 19 which is secured by means of screws 30 is releasably connectable to the end wall 3.

    Der Klemmring 9 weist einen sich axial nach außen verjüngenden Keilabschnitt auf, der die konische Außenumfangsfläche 8 bildet, die mit der konischen Innenumfangsfläche 7 des Spreizringes zusammenwirkt. Wird demzufolge der Klemmring 9 mittels der Betätigungseinrichtung 13 gegen den Flansch 11 gezogen, weitet sich der Spreizring 5 in radialer Richtung, geführt durch die Flächen 8 und 18, und bewegt sich in eine Klemmstellung, wie sie in Fig. 2 dargestellt ist. In der in Fig. 2 dargestellten Klemmstellung wird der Endabschnitt 4 des Walzenmantels 2 in einem Klemmspalt festgeklemmt, der durch die zylindrische Außenumfangsfläche 6 des Spreizringes 5 und die zylindrische Innenumfangsfläche 20 des Außenringes 19 gebildet wird.The clamping ring 9 has an axially tapering wedge section on, which forms the conical outer peripheral surface 8, which with the conical Inner circumferential surface 7 of the expansion ring cooperates. As a result, the Clamping ring 9 against the flange 11 by means of the actuating device 13 pulled, the expansion ring 5 widens in the radial direction, guided by the Surfaces 8 and 18, and moves into a clamping position, as shown in Fig. 2nd is shown. In the clamping position shown in FIG. 2, the end section 4 of the roll shell 2 clamped in a nip, which by the cylindrical outer peripheral surface 6 of the expansion ring 5 and the cylindrical Inner peripheral surface 20 of the outer ring 19 is formed.

    Räumlich getrennt von diesem Festklemmen des jeweiligen Endabschnitts 4 ist ein Abdichten des Klemmspaltes. Wie Fig. 1 zeigt, bildet die Außenumfangsfläche des Flansches 11 mit einem Klemmstück 22 eine Ringnut 23 zur Aufnahme eines Dichtringes 24, der vorzugsweise aus einem vollstückigen Elastomer, z. B. Gummi, besteht. Der Dichtring 24 besitzt im unbelasteten Zustand vorzugsweise einen runden Querschnitt. Das Klemmstück 22 ist axial verfahrbar am Flansch 11 geführt, wozu dieser an der dem Walzeninneren abgewandten Seite ein zumindest abschnittsweise zylindrisches Teilstück 25 aufweist, auf dem eine zylindrische Gegenfläche 26 des Klemmstückes 22 axial verfahrbar ist, um die Ringnut 24 in ihrer axialen Abmessung verkleinern zu können. Hierdurch wird der Dichtring 24 zusammengepreßt, wodurch dieser elastisch deformiert wird und sich radial verlängert, wie dies in Fig. 3 dargestellt ist. Der Dichtring 24 wird durch das Klemmstück 22 derart eingespannt, daß dieser den Endabschnitt 4 des Walzenmantels 2 dichtend an der Innenumfangsfläche 20 des Außenrings 19 einspannt.Is spatially separate from this clamping of the respective end section 4 sealing the clamping gap. As shown in Fig. 1, forms the outer peripheral surface the flange 11 with a clamping piece 22 an annular groove 23 for receiving a Sealing ring 24, which is preferably made of a solid elastomer, for. B. Rubber. The sealing ring 24 preferably has in the unloaded state a round cross section. The clamping piece 22 is axially movable on the flange 11 led, what this at least on the side facing away from the inside of the roller Sectionally cylindrical portion 25 on which a cylindrical Counter surface 26 of the clamping piece 22 is axially movable to the annular groove 24 in to be able to reduce their axial dimension. As a result, the sealing ring 24 pressed together, whereby this is elastically deformed and radial extended, as shown in Fig. 3. The sealing ring 24 is by the Clamping piece 22 clamped in such a way that the end section 4 of the Roll jacket 2 sealing on the inner circumferential surface 20 of the outer ring 19 clamps.

    Das Klemmstück 22 ist mittels einer zweiten Betätigungseinrichtung 21, die getrennt von der ersten Betätigungseinrichtung 13 arbeitet, gegen eine dem Walzenende zugewandte Stirnseite des Flansches 11 verfahrbar. Die zweite Betätigungseinrichtung 21 ist hier entsprechend der ersten Betätigungseinrichtung 13 als Bolzen bzw. Schraube ausgebildet, die mit ihrem Gewindeschaft 27 in eine axiale Gewindebohrung 28 im Flansch 11 eingreift. Das Klemmstück 22 weist eine Durchgangsbohrung 29 mit Anschlag zur Aufnahme der zweiten Betätigungseinrichtung 21 auf.The clamping piece 22 is by means of a second actuator 21, the works separately from the first actuator 13 against one End of the flange 11 facing the roller end can be moved. The second Actuating device 21 here corresponds to the first actuating device 13 designed as a bolt or screw, which with its threaded shaft 27 in a axial threaded bore 28 engages in the flange 11. The clamping piece 22 has one Through hole 29 with a stop for receiving the second Actuator 21 on.

    Fig. 3 zeigt die parallel ausgebildete Klemmung und Dichtung.Fig. 3 shows the parallel clamp and seal.

    Als zusätzliche Sicherung für den Walzenmantel 2 können in diesen randseitig Haltestifte 31 einsetzbar sein. Ferner kann randseitig ein Schutzdeckel 32 befestigt sein.As an additional safeguard for the roll shell 2 can be in the edge side Retaining pins 31 can be used. Furthermore, a protective cover 32 can be provided on the edge be attached.

    Alternativ zu dem vorstehenden Ausführungsbeispiel kann der Dichtring an der dem Walzeninneren zugewandten Seite des Flansches angeordnet sein, während der Klemmring mit Spreizring dann an der dem Walzenende zugewandten Seite des Flansches angeordnet ist, wie in Fig. 4 dargestellt ist..As an alternative to the above exemplary embodiment, the sealing ring on the the side of the flange facing the inside of the roller, while the clamping ring with expansion ring then on the side facing the roller end the flange is arranged as shown in Fig. 4 ..

    Claims (9)

    Langspalt-Walzenpresse zum Entwässern einer Materialbahn in einem Preßspalt, der einerseits von einer rotierenden Gegenwalze und andererseits von einer Langspalt-Preßwalze gebildet ist, und die Langspalt-Preßwalze einen feststehenden Träger und einen um den Träger drehbaren, flexiblen Walzenmantel aufweist, der im Bereich des Preßspaltes auf einem am Träger angeordneten Preßschuh abgestützt ist, der Walzenmantel Endabschnitte aufweist, die an am Träger drehbar gelagerten Stirnwänden dichtend festgeklemmt sind mittels jeweils eines an einer Stirnwand axial verschiebbar geführten und auf eine erste Betätigungseinrichtung ansprechenden Klemmrings, der einen elastischen Spreizring mit einer zylindrischen Außenfläche radial gegen einen fest mit den Stirnwänden verbindbaren Außenring unter Einklemmen eines Endabschnitts des Walzenmantels klemmt, dadurch gekennzeichnet, daß jeweils benachbart der Klemmringe (9) ein Dichtring (24) an jeder Stirnwand (3) angeordnet ist, der mittels einer getrennt von der Betätigung des Klemmringes (9) wirkenden zweiten Betätigungseinrichtung (21) gegen den Außenring (19) radial verformbar ist unter Andrücken eines axialen Teilstücks des jeweiligen Endabschnitts (4) des Walzenmantels (2) an den Außenring (19).Long-nip roller press for dewatering a material web in a press nip, which is formed on the one hand by a rotating counter roll and on the other hand by an extended-nip press roll, and the extended-nip press roll has a fixed support and a flexible roll jacket which can be rotated around the support and which in the region of Press nip is supported on a press shoe arranged on the carrier, the roller jacket has end sections which are tightly clamped to end walls rotatably mounted on the carrier by means of a clamping ring which is axially displaceably guided on an end wall and which responds to a first actuating device and which has an elastic expanding ring with a cylindrical outer surface Clamping radially against an outer ring which can be fixedly connected to the end walls by clamping an end section of the roller shell, characterized in that a sealing ring (24) is arranged on each end wall (3) adjacent to the clamping rings (9) By means of a second actuating device (21), which acts separately from the actuation of the clamping ring (9), can be radially deformed against the outer ring (19) by pressing an axial section of the respective end section (4) of the roller shell (2) against the outer ring (19). Langspalt-Walzenpresse nach Anspruch 1, dadurch gekennzeichnet, daß der Klemmring (9) eine konische Außenumfangsfläche (8) aufweist, die verfahrbar ist gegen eine, eine konische Gegenfläche bildende Innenumfangsfläche (7) eines Spreizringes (5).Long-nip roller press according to claim 1, characterized in that the clamping ring (9) has a conical outer peripheral surface (8) which can be moved against an inner peripheral surface (7) of a spreading ring (5) forming a conical counter surface. Langspalt-Walzenpresse nach Anspruch 2, dadurch gekennzeichnet, daß der Klemmring (9) eine zylindrische Innenumfangsfläche und der Spreizring (5) eine zylindrische Außenumfangsfläche aufweist. Long-nip roller press according to claim 2, characterized in that the clamping ring (9) has a cylindrical inner peripheral surface and the expanding ring (5) has a cylindrical outer peripheral surface. Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Dichtring (24) mittels eines von der zweiten Betätigungseinrichtung (21) verfahrbaren Klemmstücks (22) radial verformbar ist.Long-nip roller press according to one of Claims 1 to 3, characterized in that the sealing ring (24) can be radially deformed by means of a clamping piece (22) which can be moved by the second actuating device (21). Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die erste und zweite Betätigungseinrichtung (13, 21) jeweils als getrennt angeordnete Schrauben ausgebildet sind, die jeweils durch eine Durchgangsbohrung steckbar sind und in eine Gewindebohrung (16, 28) eingreifen, wobei eine dieser Bohrungen jeweils in dem Klemmring (9) und dem Klemmstück (22) und die zugeordnete Bohrung in der Stirnwand (3) angeordnet ist.Long-nip roller press according to one of Claims 1 to 4, characterized in that the first and second actuating devices (13, 21) are each designed as separately arranged screws which can each be inserted through a through hole and engage in a threaded hole (16, 28) , one of these bores in each case in the clamping ring (9) and the clamping piece (22) and the associated bore in the end wall (3). Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Dichtring (24) aus einem vollstückigen Elastomer besteht.Long-nip roller press according to one of claims 1 to 5, characterized in that the sealing ring (24) consists of a solid elastomer. Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Dichtring (24) im unbelasteten Zustand einen runden Querschnitt besitzt.Long-nip roller press according to one of claims 1 to 6, characterized in that the sealing ring (24) has a round cross-section in the unloaded state. Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Dichtring (24) jeweils zum Walzeninneren hin benachbart dem Klemmring (9) angeordnet ist.Long-nip roll press according to one of claims 1 to 7, characterized in that the sealing ring (24) is arranged adjacent to the clamping ring (9) in each case towards the inside of the roll. Langspalt-Walzenpresse nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Dichtring (24) jeweils zum Walzenende hin benachbart dem Klemmring (9) angeordnet ist.Long-nip roller press according to one of Claims 1 to 7, characterized in that the sealing ring (24) is arranged adjacent to the clamping ring (9) in each case towards the end of the roller.
    EP02019752A 2001-09-07 2002-09-04 Clamping connection in an extended-nip press roll Expired - Lifetime EP1291462B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE20114857U DE20114857U1 (en) 2001-09-07 2001-09-07 Long nip roller press for dewatering a fibrous web
    DE20114857U 2001-09-07

    Publications (2)

    Publication Number Publication Date
    EP1291462A1 true EP1291462A1 (en) 2003-03-12
    EP1291462B1 EP1291462B1 (en) 2006-06-28

    Family

    ID=7961483

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02019752A Expired - Lifetime EP1291462B1 (en) 2001-09-07 2002-09-04 Clamping connection in an extended-nip press roll

    Country Status (7)

    Country Link
    US (1) US6782811B2 (en)
    EP (1) EP1291462B1 (en)
    JP (1) JP2003166187A (en)
    AT (1) ATE331837T1 (en)
    CA (1) CA2401801A1 (en)
    DE (3) DE20114857U1 (en)
    ES (1) ES2267910T3 (en)

    Families Citing this family (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE10319668A1 (en) * 2003-05-02 2004-11-18 Voith Paper Patent Gmbh Papermaking industry rotating drum mantle and end-plate clamp project radially no more than 15 mm beyond drum maximum diameter
    FR2878186B1 (en) * 2004-11-24 2007-02-23 Allimand Sa SOFT SQUEEGEE PRESSER CYLINDER FOR SHOT PRESS
    DE102005013024B3 (en) * 2005-03-22 2006-07-20 Eduard Küsters Maschinenfabrik GmbH & Co. KG Twin roller arrangement for paper mill drums has elongated gap formed by hydraulic clamp and seal
    CN111607926A (en) * 2020-06-03 2020-09-01 嘉善龙翔人造毛绒有限公司 Discharging and dewatering device of airflow dyeing machine

    Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0442257A1 (en) * 1990-01-16 1991-08-21 Valmet Paper Machinery Inc. Press roll
    EP0619399A1 (en) * 1993-03-24 1994-10-12 Valmet Corporation Method for opening a nip in an extended-nip press and equipment for opening a nip in an extended-nip press
    DE29702362U1 (en) * 1996-04-29 1997-05-15 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Press roll
    US5700357A (en) * 1996-10-16 1997-12-23 Beloit Technologies, Inc. Mechanical blanket clamp in rotating head assembly
    EP1043446A2 (en) * 1996-10-18 2000-10-11 Valmet-Karlstad AB Press roll
    WO2002064885A1 (en) * 2001-02-13 2002-08-22 Pmt Italia Paper Machinery Technology Spa An anchor device for anchoring a peripheral edge of a press blanket

    Family Cites Families (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FI71979B (en) * 1981-06-24 1986-11-28 Escher Wyss Ag PRESSVALS
    DE3805350A1 (en) * 1988-02-20 1989-08-31 Voith Gmbh J M PRESS ROLLER FOR TREATING RAIL-SHAPED GOODS
    DE19522761C2 (en) * 1995-06-27 2000-11-16 Voith Sulzer Papiermasch Gmbh Shoe press device
    US6010443A (en) * 1996-10-22 2000-01-04 Valmet-Karlstad Ab Clamping ring for an enclosed shoe press
    SE508591C2 (en) * 1996-10-22 1998-10-19 Valmet Karlstad Ab Elastic clamp ring for a shoe press roller and shoe press roller fitted with an elastic clamp ring
    DE19645407A1 (en) * 1996-11-04 1998-05-07 Voith Sulzer Papiermasch Gmbh Shoe press

    Patent Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0442257A1 (en) * 1990-01-16 1991-08-21 Valmet Paper Machinery Inc. Press roll
    EP0619399A1 (en) * 1993-03-24 1994-10-12 Valmet Corporation Method for opening a nip in an extended-nip press and equipment for opening a nip in an extended-nip press
    DE29702362U1 (en) * 1996-04-29 1997-05-15 Voith Sulzer Papiermaschinen GmbH, 89522 Heidenheim Press roll
    US5700357A (en) * 1996-10-16 1997-12-23 Beloit Technologies, Inc. Mechanical blanket clamp in rotating head assembly
    EP1043446A2 (en) * 1996-10-18 2000-10-11 Valmet-Karlstad AB Press roll
    WO2002064885A1 (en) * 2001-02-13 2002-08-22 Pmt Italia Paper Machinery Technology Spa An anchor device for anchoring a peripheral edge of a press blanket

    Also Published As

    Publication number Publication date
    US6782811B2 (en) 2004-08-31
    EP1291462B1 (en) 2006-06-28
    JP2003166187A (en) 2003-06-13
    US20030061946A1 (en) 2003-04-03
    CA2401801A1 (en) 2003-03-07
    ATE331837T1 (en) 2006-07-15
    DE20114857U1 (en) 2003-01-16
    DE10153674A1 (en) 2003-04-03
    DE50207368D1 (en) 2006-08-10
    ES2267910T3 (en) 2007-03-16

    Similar Documents

    Publication Publication Date Title
    EP0496965B1 (en) Press section
    DE2832007A1 (en) SLEEVE ARRANGEMENT FOR SEALING A PISTON AGAINST A HOUSING, ESPECIALLY ON A DISC BRAKE
    DE2629654A1 (en) SLEEVE SEAL AND ASSEMBLED GUIDE ASSEMBLY
    DE202011050262U1 (en) Clamping device for a workpiece or tool
    DE69001674T2 (en) CLOSED PRESSING DEVICE WITH EXTENDED PRESS ZONE.
    DE4435845C1 (en) Press roller esp. with flexible shell and internal press shoe
    DE29702362U1 (en) Press roll
    DE60007980T2 (en) HOLE LOCKING BY FRICTION
    DE102007024768B4 (en) Clamping cone for holding different types of material rolls in a roll changer
    DE4029940C2 (en)
    DE19831164B4 (en) Valve guide structure
    EP1291462B1 (en) Clamping connection in an extended-nip press roll
    EP1749926B1 (en) Pressing arrangement
    DE10138526A1 (en) Flexible press mantle, for a shoe press roller at a papermaking or cardboard production machine, has an additional reinforcement at the end zones to fit over a carrier e.g. an expanding ring
    EP0463366B1 (en) Press-roll with adjustable deflection
    DE2415552A1 (en) SPRING BRAKE ACTUATOR
    DE69422276T2 (en) DRAWN HYDRAULIC VEHICLE CLUTCH
    EP1619299B1 (en) Extended-nip press
    DE9219190U1 (en) Roller, in particular press roller for a paper machine
    WO2013014025A1 (en) Shoe roll, method for replacing a jacket on a shoe roll, and elastic ring for a shoe roll
    EP0082945A1 (en) Printing machine with a cylinder which can be coupled to a driving device
    DE10348310A1 (en) Plate cylinder with a cylinder body and at least one jacket element
    EP1705390B1 (en) Mounting and sealing of a roll mantle with clamping rings to the end discs of a shoe roll of a device providing a longitudinal gap
    DE10244944A1 (en) Clamping device to fix flexible clothing on printing cylinder has clamping body with center of gravity movable in two non-parallel directions
    DE10204286B4 (en) Calender and method of operating a calender

    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: A1

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

    AX Request for extension of the european patent

    Extension state: AL LT LV MK RO SI

    17P Request for examination filed

    Effective date: 20030826

    AKX Designation fees paid

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

    17Q First examination report despatched

    Effective date: 20050307

    GRAP Despatch of communication of intention to grant a patent

    Free format text: ORIGINAL CODE: EPIDOSNIGR1

    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 BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

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

    Ref country code: IE

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

    Ref country code: CZ

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

    Ref country code: SK

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

    Ref country code: NL

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

    REG Reference to a national code

    Ref country code: GB

    Ref legal event code: FG4D

    Free format text: NOT ENGLISH

    REG Reference to a national code

    Ref country code: CH

    Ref legal event code: EP

    REG Reference to a national code

    Ref country code: IE

    Ref legal event code: FG4D

    Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

    REF Corresponds to:

    Ref document number: 50207368

    Country of ref document: DE

    Date of ref document: 20060810

    Kind code of ref document: P

    RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

    Owner name: ANDRITZ KUESTERS GMBH & CO. KG

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

    Ref country code: DK

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060928

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

    Ref country code: CH

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

    Effective date: 20060930

    Ref country code: BE

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

    Effective date: 20060930

    Ref country code: MC

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

    Effective date: 20060930

    Ref country code: LI

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

    Effective date: 20060930

    REG Reference to a national code

    Ref country code: SE

    Ref legal event code: TRGR

    GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

    Effective date: 20061004

    NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

    Owner name: ANDRITZ KUESTERS GMBH & CO. KG

    Effective date: 20060906

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

    Ref country code: PT

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20061128

    NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
    REG Reference to a national code

    Ref country code: GB

    Ref legal event code: 732E

    ET Fr: translation filed
    REG Reference to a national code

    Ref country code: IE

    Ref legal event code: FD4D

    REG Reference to a national code

    Ref country code: ES

    Ref legal event code: FG2A

    Ref document number: 2267910

    Country of ref document: ES

    Kind code of ref document: T3

    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

    REG Reference to a national code

    Ref country code: CH

    Ref legal event code: PL

    26N No opposition filed

    Effective date: 20070329

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

    Ref country code: ES

    Payment date: 20070927

    Year of fee payment: 6

    BERE Be: lapsed

    Owner name: EDUARD KUSTERS MASCHINENFABRIK G.M.B.H. & CO. KG

    Effective date: 20060930

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

    Ref country code: GB

    Payment date: 20070914

    Year of fee payment: 6

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

    Ref country code: SE

    Payment date: 20070913

    Year of fee payment: 6

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

    Ref country code: GR

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060929

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

    Ref country code: EE

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

    Ref country code: BG

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060928

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

    Ref country code: LU

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

    Effective date: 20060904

    Ref country code: TR

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

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

    Ref country code: CY

    Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

    Effective date: 20060628

    GBPC Gb: european patent ceased through non-payment of renewal fee

    Effective date: 20080904

    REG Reference to a national code

    Ref country code: ES

    Ref legal event code: FD2A

    Effective date: 20080905

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

    Ref country code: GB

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

    Effective date: 20080904

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

    Ref country code: AT

    Payment date: 20090916

    Year of fee payment: 8

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

    Ref country code: ES

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

    Effective date: 20080905

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

    Ref country code: IT

    Payment date: 20090926

    Year of fee payment: 8

    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: 20080905

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

    Ref country code: DE

    Payment date: 20101125

    Year of fee payment: 9

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

    Ref country code: IT

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

    Effective date: 20100904

    REG Reference to a national code

    Ref country code: FR

    Ref legal event code: ST

    Effective date: 20110531

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

    Ref country code: FR

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

    Effective date: 20100930

    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: 20100904

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

    Ref country code: FR

    Payment date: 20091001

    Year of fee payment: 8

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

    Ref country code: FI

    Payment date: 20110914

    Year of fee payment: 10

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

    Ref country code: FI

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

    Effective date: 20120904

    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: 20130403

    REG Reference to a national code

    Ref country code: DE

    Ref legal event code: R119

    Ref document number: 50207368

    Country of ref document: DE

    Effective date: 20130403