EP1088595A2 - Dispositif pour l'application d'un produit de revêtement abrasif sur une bande en défilement - Google Patents

Dispositif pour l'application d'un produit de revêtement abrasif sur une bande en défilement Download PDF

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Publication number
EP1088595A2
EP1088595A2 EP00116909A EP00116909A EP1088595A2 EP 1088595 A2 EP1088595 A2 EP 1088595A2 EP 00116909 A EP00116909 A EP 00116909A EP 00116909 A EP00116909 A EP 00116909A EP 1088595 A2 EP1088595 A2 EP 1088595A2
Authority
EP
European Patent Office
Prior art keywords
roller
paper web
leveling
metering
deflection
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
EP00116909A
Other languages
German (de)
English (en)
Other versions
EP1088595A3 (fr
EP1088595B1 (fr
Inventor
Gisbert Krossa
Walter Müller
Ernst Klas
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.)
VITS VERWALTUNGS GMBH
Original Assignee
Vits Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vits Maschinenbau GmbH filed Critical Vits Maschinenbau GmbH
Publication of EP1088595A2 publication Critical patent/EP1088595A2/fr
Publication of EP1088595A3 publication Critical patent/EP1088595A3/fr
Application granted granted Critical
Publication of EP1088595B1 publication Critical patent/EP1088595B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0245—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
    • D21H23/72—Plural serial stages only
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • D21H27/28—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather

Definitions

  • the invention relates to a device for applying a liquid resin and fine-grained abrasive material, especially corundum, existing Coating compound on a continuous paper web, which is used for the manufacture of abrasion-resistant laminates is determined, according to the preamble of Claim 1.
  • DE 195 08 797 C1 describes a process for the production of decorative paper for use in the production of abrasion-resistant laminates.
  • a viscous mixture of melamine resin and alpha-cellulose, to which corundum particles have been added, is applied as a coating material to the visible surface of a decorative paper.
  • the alpha cellulose serves as a stiffening and suspending agent.
  • the corundum particles have a grain size of 15 - 50 ⁇ m.
  • the amount applied is 80-200 g / m 2 , so that a layer thickness of 20-65 ⁇ m results after the final moisture has been reached.
  • the coating compound should be applied using a wire doctor, a reverse coating system or an anilox roller.
  • a leveling device namely a doctor blade consisting of a substantially rectangular tab Made of a flexible rubber-like material attached to its back, to the Axes of the two rollers parallel edge fixed on one side to a holding bar is and slack on the upper run of the deflecting roller Paper web rests.
  • the invention has for its object a device according to the preamble of claim 1 to develop further, so that they are difficult to use processable coating compositions evenly coated papers without provides visible stripes.
  • the leveling device comprises at least one structural roller, the enveloping surface of which has a thread-like structure.
  • a paper web 1 that has already been pre-impregnated with resin is if necessary, has already dried in the horizontal direction Deflection roller 2 supplied. It wraps around the deflection roller 2 in the area of a Arc of 180 °, which is approximately in the six o'clock position through the stop line 3 and in the Zwölschreib position is limited by drain line 4. Then the runs Paper web 1 in the horizontal direction, as symbolized by arrow 5 a dryer, not shown.
  • a metering roller 6 with a smooth outer surface arranged. It has the same in the illustrated embodiment Diameter as the deflection roller 2.
  • the axes of the deflection roller 2 and Metering roller 6 are parallel to each other at the same height in a, not shown Machine frame stored.
  • the storage of one of the two rollers 2, 6 is in slidable horizontally so that the width of the between the two Rolls 2, 6 existing narrow gap is variable.
  • the metering roller 6 is as well as the deflection roller 2 provided with a drive.
  • the drives of the two Rollers 2, 6 are mechanically or electrically coupled, so that the rollers 2, 6 circulate synchronously or approximately synchronously, that is preferably with coinciding surface speed, which is the conveying speed of the Paper web corresponds.
  • a slot nozzle 7 for applying the Coating compound Under the deflection roller 2 is a slot nozzle 7 for applying the Coating compound arranged.
  • the slot nozzle 7 is the ramp line 3 adjacent.
  • a leveling device 8 At a short distance from the drain line 4 is above the running upper run Paper web 1 arranged a leveling device 8. It comprises a structure roller 9 and a smooth roller 10, which is behind the structure roller 9 in the web running direction is arranged.
  • the structure roller 9 and the smooth roller 10 are adjustable in height, so that their distances from the paper web 1 are variable.
  • a support roller 11 In a short distance, which corresponds approximately to the distance of the roller 10 from the run-up line 4 is in the direction of the arrow 5 behind the leveling device 8 under the paper web 1 a support roller 11 arranged.
  • the enveloping surface of the structure roller 9 has a thread-like structure.
  • the in Figure 5 The illustrated structural roller has a helical groove 12 provided, which essentially correspond to the working width over the whole Length of the structural roller 9 extends.
  • the one between neighboring corridors remaining web 13 is rectangular in section and has approximately the same width as the groove 12.
  • the envelope surface therefore has the structure of a single thread.
  • the structure roller illustrated in FIG. 6 differs from this in that that they have a multi-start, namely with a three-start thread is provided. As a result, the cross-section of the grooves and webs remains unchanged Pitch increased accordingly, as well as the pitch angle.
  • the structure roller illustrated in FIG. 7 is with a system of helical grooves of the same pitch with opposite Screw sense provided.
  • the system comprises three right-handed and three left-handed grooves.
  • the left-hand grooves correspond to those in FIG. 6 illustrated grooves. Due to the intersecting grooves, the roller becomes a flat relief of diamond-shaped islands 14, reminiscent of a tile covering worked out, whose one diagonal is parallel to the roller axis. The second diagonal is at right angles to it.
  • the paper web 1 runs with one in operation Speed between about 10 and 70 m / min, preferably between 20 and 50 m / min through.
  • Coating compound which consists of liquid resin and fine corundum particles suspended in it Excess applied directly to the paper web.
  • the layer thus formed is in split the narrow gap between the deflection roller 2 and the metering roller 6, so that part of the coating compound sticks to the paper, the other part is carried by the metering roller 6. Excess coating mass is in stuck in the gap and drips. Because the surface speeds of the two Rollers 2, 6 have the same direction and preferably at least approximately are the same size, cause the abrasives contained in the coating material Particles no significant wear on the metering roller 6.
  • the layer ⁇ adhering to the paper web on average about 30 to 100 g / m 2 - is initially uneven, so that longitudinal stripes are clearly visible.
  • the stripes can be explained by the fact that the liquid coating composition tends to contract due to the surface tension when the layer is split up in the nip due to the fact that it contracts at certain points, more or less evenly distributed over the width.
  • the profile of the layer adhering to the paper web has maxima, which appear as narrow strips.
  • the width of a strip is usually around 5 mm.
  • the distance between two adjacent strips is usually between about 10 and 30 mm.
  • the unwanted stripe pattern sometimes changes in an unpredictable way.
  • the structure roller 9 is set so that it touches the paper web.
  • the quick rotating structure roller 9 in the embodiment according to FIG. 5 or FIG. 6 exercises ⁇ mit comparable to a snail - the one accumulated in the strips Coating composition in the direction of its axis, that is to say transversely to the paper web 1 promoting effect.
  • the prerequisite is, of course, that the Surface speed of the structural roller 9 in the engagement area considerably the speed at which the paper web 1 deviates in the direction of the arrow 5 deviates emotional.
  • the one-sided promotional effect the other edge of the paper web. Through the promotional effect thickened strips blurred in the transverse direction, so to speak.
  • the structure roller 9 therefore has only a comparative effect, but no influence on the dosage. Out For this reason, the structure roller 9 is different than the metering roller 6- does not depend on extreme dimensional accuracy. There is hardly any wear Influence on the effectiveness of the structural roller 9. Therefore, the structural roller causes 9 not particularly high costs.
  • the downstream smooth roller 10 which is also at high speed rotates, causes a further equalization.
  • a roller can also be used as the structural roller 9 can be used, the envelope surface has the structure illustrated in Figure 7.
  • the coating material accumulated in the strips is separated by the ⁇ in Direction of surface speed seen- front, in relation to the Surface velocity of oblique-angled edges of diamond-shaped islands 14 partly removed to one side and partly to the other side. This will make one even distribution achieved.
  • the exemplary embodiment illustrated in FIG. 2 is characterized in particular by that the leveling device 8 two structure rollers 9, 9a arranged one behind the other includes. Another difference is that the slot nozzle 7 of Dosing roller 6 is assigned.
  • the leveling device comprises a Doctor blade 15, which is arranged in the web run in front of the structural roller 9. It exists from a substantially rectangular tab 16 made of flexible, rubber-like Material on its rear edge parallel to the axis of the structural roller 9 is attached on one side to a retaining bar 17 and slack on the by the Deflection roller 2 running upper strand of the paper web 1 rests. Rag 16 already causes a certain amount of pre-legalization.
  • This also differs Embodiment according to Figure 3 of the previously discussed embodiments in that the metering roller 6 is assigned a similar doctor blade 18.
  • the associated holding bar 19 is arranged obliquely above the metering roller 6, namely on the side facing away from the deflection roller 2.
  • FIG. 3 a differs from that of Figure 3 in that the doctor blade 15 formerly seen in the direction of travel - behind the Structural roller 9 is arranged so that the tab 16 on the support roller 11 the paper web 1 rests. Any oblique lines that are still visible behind the structural roller 9 running strips are smoothed by the tab 16.
  • the metering roller 6 is almost vertical ⁇ About the deflection roller 2 in the Elzen position. Therefore goes through the paper web between dosing and leveling only a relatively short distance and only requires a correspondingly short time interval. That has, like attempts have shown a positive influence on the equalization.

Landscapes

  • Coating Apparatus (AREA)
  • Paper (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP00116909A 1999-09-28 2000-08-05 Dispositif pour l'application d'un produit de revêtement abrasif sur une bande en défilement Expired - Lifetime EP1088595B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19946325 1999-09-28
DE19946325A DE19946325A1 (de) 1999-09-28 1999-09-28 Vorrichtung zum Auftragen einer abrasiven Beschichtungsmasse auf eine durchlaufende Papierbahn

Publications (3)

Publication Number Publication Date
EP1088595A2 true EP1088595A2 (fr) 2001-04-04
EP1088595A3 EP1088595A3 (fr) 2004-07-14
EP1088595B1 EP1088595B1 (fr) 2006-08-23

Family

ID=7923499

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00116909A Expired - Lifetime EP1088595B1 (fr) 1999-09-28 2000-08-05 Dispositif pour l'application d'un produit de revêtement abrasif sur une bande en défilement

Country Status (5)

Country Link
US (1) US6471776B1 (fr)
EP (1) EP1088595B1 (fr)
AT (1) ATE337106T1 (fr)
DE (2) DE19946325A1 (fr)
ES (1) ES2270767T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002055220A1 (fr) * 2001-01-10 2002-07-18 3M Innovative Properties Company Dispositif et procede d'application de revetement utilisant des tiges bobinees
US6899922B2 (en) 2001-01-10 2005-05-31 3M Innovative Properties Company Method for coating a limited length substrate using rotating support and at least one pick-and-place roll
EP2740546A2 (fr) * 2012-12-06 2014-06-11 Thomas Schäfer Système à rouleau pour l'application d'un matériau sur un support

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1162718C (zh) * 2000-07-11 2004-08-18 奥普逖娃公司 用于偏振镜生产的工艺装置
RU2226285C2 (ru) * 2000-07-11 2004-03-27 ОПТИВА, Инк. Устройство формирования поляризатора, устройство локального удаления материала пленки поляризатора и технологическая линия формирования поляризаторов
DE602005021292D1 (de) * 2004-02-20 2010-07-01 Panasonic Corp Verfahren zum herstellen einer lithium-ionen-sekundärbatterie
DE102004063043B3 (de) * 2004-12-22 2006-07-20 Vits Systems Gmbh Vorrichtung zum Auftragen einer Beschichtungsmasse auf eine Papierbahn
JP4536555B2 (ja) * 2005-03-02 2010-09-01 三菱電機株式会社 検索表示装置
KR20170143314A (ko) * 2016-06-21 2017-12-29 에스케이이노베이션 주식회사 초광폭 연속 코팅 장치 및 이를 이용한 분리막의 제조방법
GB2560577B (en) * 2017-03-17 2022-06-22 Chesterfelt Ltd Apparatus for the production of a waterproof membrane
CN112074351B (zh) * 2018-03-15 2022-10-14 Io技术集团公司 多材料分配和涂覆系统
CN112030601A (zh) * 2020-08-21 2020-12-04 南通凯迪自动机械有限公司 一种耐磨纸生产装置
BE1028869B1 (nl) 2020-12-09 2022-07-11 Ecochem Int Nv Niet-halogeen brandvertragende samenstelling en gebruik van deze samenstelling voor directe en indirecte brandbeveiligingslagen op ondergronden
CA3204473A1 (fr) 2020-12-09 2022-06-16 Ecochem International Nv Utilisation d'une composition ignifuge non halogenee pour des couches de protection contre le feu indirectes sur des substrats

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Publication number Priority date Publication date Assignee Title
US1939012A (en) 1931-12-24 1933-12-12 Armstrong Cork Co Strike for brick molds
DE19508797C1 (de) 1995-03-15 1996-08-29 Graudenz & Partner Consultatio Verfahren zur Herstellung von Dekorpapier zur Verwendung bei der Herstellung von abriebfesten Laminaten
DE19541000A1 (de) 1995-11-03 1997-05-07 Babcock Bsh Gmbh Vorrichtung zum Glätten von durchlaufenden Gipsfaserplatten
DE19814212C1 (de) 1998-03-31 1999-09-02 Vits Maschinenbau Gmbh Vorrichtung zum Auftragen einer abrasiven Beschichtungsmasse auf eine durchlaufende Papierbahn

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GB1123128A (en) * 1966-05-17 1968-08-14 Interchem Corp Wire wound spreading rods for coating processes
FR1564894A (fr) * 1968-03-14 1969-04-25
ATA287276A (de) * 1976-03-31 1979-02-15 Caratsch Hans Peter Verfahren und einrichtung zum aufbringen von kunstharzpulver in einer rasterfoermigen beschichtung auf bahnmaterial
JPS57156066A (en) * 1981-03-20 1982-09-27 Fuji Photo Film Co Ltd Method and device for coating
FI78404C (fi) * 1987-08-04 1989-08-10 Valmet Paper Machinery Inc Foerfarande och anordning foer dosering av bestrykningsmedel pao roerligt underlag.
SE463078B (sv) * 1988-09-27 1990-10-08 Btg Kaelle Inventing Ab Paafoeringsanordning foer en- eller tvaasidig belaeggning av en loepande bana
DE3841494A1 (de) * 1988-12-09 1990-06-13 Jagenberg Ag Rakelwelle zum volumetrischen dosieren von beschichtungsmaterial
JPH0880467A (ja) * 1994-09-13 1996-03-26 Dainippon Printing Co Ltd メタリングロール
SE503836C2 (sv) * 1994-12-22 1996-09-16 Btg Kaelle Inventing Ab Påföringsanordning och förfarande vid denna
DE19751697A1 (de) * 1997-11-21 1999-05-27 Voith Sulzer Papiertech Patent Vorrichtung zum indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine Materialbahn, insbesondere aus Papier oder Karton

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1939012A (en) 1931-12-24 1933-12-12 Armstrong Cork Co Strike for brick molds
DE19508797C1 (de) 1995-03-15 1996-08-29 Graudenz & Partner Consultatio Verfahren zur Herstellung von Dekorpapier zur Verwendung bei der Herstellung von abriebfesten Laminaten
DE19541000A1 (de) 1995-11-03 1997-05-07 Babcock Bsh Gmbh Vorrichtung zum Glätten von durchlaufenden Gipsfaserplatten
DE19814212C1 (de) 1998-03-31 1999-09-02 Vits Maschinenbau Gmbh Vorrichtung zum Auftragen einer abrasiven Beschichtungsmasse auf eine durchlaufende Papierbahn

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002055220A1 (fr) * 2001-01-10 2002-07-18 3M Innovative Properties Company Dispositif et procede d'application de revetement utilisant des tiges bobinees
US6737113B2 (en) * 2001-01-10 2004-05-18 3M Innovative Properties Company Method for improving the uniformity of a wet coating on a substrate using pick-and-place devices
US6855374B2 (en) 2001-01-10 2005-02-15 3M Innovative Properties Company Method for improving the uniformity of a wet coating on a substrate using at least two wire-wound rods
US6878408B2 (en) 2001-01-10 2005-04-12 3M Innovative Properties Company Coating device and method using pick-and-place devices having equal or substantially equal periods
US6899922B2 (en) 2001-01-10 2005-05-31 3M Innovative Properties Company Method for coating a limited length substrate using rotating support and at least one pick-and-place roll
US7311780B2 (en) 2001-01-10 2007-12-25 3M Innovative Properties Company Coating device and method using pick-and-place devices having equal or substantially equal periods
EP2740546A2 (fr) * 2012-12-06 2014-06-11 Thomas Schäfer Système à rouleau pour l'application d'un matériau sur un support

Also Published As

Publication number Publication date
DE19946325A1 (de) 2001-04-05
ATE337106T1 (de) 2006-09-15
DE50013349D1 (de) 2006-10-05
EP1088595A3 (fr) 2004-07-14
ES2270767T3 (es) 2007-04-16
EP1088595B1 (fr) 2006-08-23
US6471776B1 (en) 2002-10-29

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