EP1026313B1 - Bande pour la fabrication d' un materiau en bande - Google Patents

Bande pour la fabrication d' un materiau en bande Download PDF

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Publication number
EP1026313B1
EP1026313B1 EP99123453A EP99123453A EP1026313B1 EP 1026313 B1 EP1026313 B1 EP 1026313B1 EP 99123453 A EP99123453 A EP 99123453A EP 99123453 A EP99123453 A EP 99123453A EP 1026313 B1 EP1026313 B1 EP 1026313B1
Authority
EP
European Patent Office
Prior art keywords
reinforcements
band according
dimensional structure
band
filler material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99123453A
Other languages
German (de)
English (en)
Other versions
EP1026313A2 (fr
EP1026313A3 (fr
Inventor
Günter Dr. Halmschlager
Walter Dr. Holzer
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 EP1026313A2 publication Critical patent/EP1026313A2/fr
Publication of EP1026313A3 publication Critical patent/EP1026313A3/fr
Application granted granted Critical
Publication of EP1026313B1 publication Critical patent/EP1026313B1/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
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/60—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the warp or weft elements other than yarns or threads
    • D03D15/67—Metal wires
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/10—Wire-cloths
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/901—Impermeable belts for extended nip press
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/902—Woven fabric for papermaking drier section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature

Definitions

  • the invention relates to a belt for machines for producing material webs, especially paper webs.
  • EP 0 006 316 A1 which is a band, is known from the prior art discloses in which the spaces between the forming a tissue Reinforcements are filled with a material of high thermal conductivity.
  • US 3,067,779 discloses a press felt whose fabric structure is partially made of electrical conductive threads is made.
  • the band is made of a composite material which comprises a preferably comprises elongated strength members fabricated fabric comprises, in which spaces between the strength members at least partially with a Filling material are filled, wherein the strength member made of a material high Thermal conductivity are the surface of the tape forming sections of the Reinforcements are exposed.
  • the weight of the tape according to the invention can be reduced, without affect the stability and strength of the tape. Furthermore, the tape much more flexible by the composite material according to the invention.
  • the invention Band can be made in principle in any width, which is more than 2 m can amount. Another advantage is that the manufacturing costs are lower than at Bands made of solid metal.
  • the invention also makes it possible, by changing the Proportion of reinforcing elements on the overall surface the surface finish and in particular the thermal conductivity of the band and thus its To adjust heat transfer behavior targeted. Overall, the invention thus created an easy to handle, cost effective and versatile tape.
  • the composite material at least substantially fluid impermeable.
  • the tape according to the invention can be used as a sealing tape in dry areas, e.g. from Paper machines are used. That the gaps in the fabric filling material prevents moisture from the material to be dried or Paper web passing through a drying room, which is separated from the heated area e.g. one drying cylinder and the band according to the invention is guided through, Uncontrolled escape into the environment.
  • bead-like thickenings are provided in the edge regions, which are preferred are formed by the reinforcements of the sheet.
  • the band according to the invention is provided with integrated sealing beads, which are formed in the production of the fabric with can.
  • the sealing beads which may be made of metal or plastic, seal together with the heated surface and between the sealing beads lying region of the band the aforementioned drying chamber for the material web to be dried in relation to the environment from. Separate seals are therefore not required according to the invention.
  • the band according to the invention can be achieved, which at least approximately corresponds to that of a full metal band.
  • the reinforcements are interwoven.
  • the fabric formed here by a fabric can be comparatively easily manufactured and targeted and reproducible with each desired properties are provided.
  • the proportion of strength members on the overall surface of the belt and thus its heat transfer behavior be specifically influenced.
  • the fabric is dipped in liquid filler.
  • the fabric is so to speak impregnated with the filling material, making the gaps on particularly easy and fast Be filled and the fluid tightness of the strength of the carriers and the filler cured in the final state Composite material can be produced.
  • the fabric After immersion in the filler material, excess material, which covers the surfaces of the fabric, be painted off, to expose the reinforcement forming the respective surface.
  • the fabric can be treated in such a way that the reinforcement and the filler material located between the reinforcements form at least approximately smooth surfaces.
  • FIGS Drawing whose only figure in a cut side view partially a tape according to an embodiment of the invention shows.
  • the inventive band 10 shown in the figure comprises a planar Metal fabric of interwoven metal threads 12, 14, 16 as a strength carrier, preferably made of stainless steel or bronze are.
  • a strength carrier preferably made of stainless steel or bronze are.
  • according to the invention can also be made of various Metals existing threads to be processed into a tape.
  • the cross-sectional shape of the reinforcement can basically arbitrary be selected, the cross section over the length of the reinforcement can be both constant and vary.
  • the strength carriers have e.g. an approximately circular cross section, but can also For example, be formed strip or band-shaped and e.g. one Cross-section in the form of a flat rectangle with rounded corners exhibit. Also mixed cross-sectional shapes of the reinforcement within a band 10 are possible according to the invention.
  • threads 16 extend in pairs by compartments formed by perpendicularly extending threads 12, 14.
  • any weaving method according to the invention can be used be made to the metal threads or narrow strips or ribbons 12, 14, 16 produce a sheet-like sheet with the desired width.
  • the surfaces of the belt 10 become horizontal from those in the figure extending threads 12, 14 formed.
  • the paired threads 16 in such a way be embedded in the plastic 18 that an intimate connection between the threads 16 and the plastic material 18, which is the fluid impermeability of the tape 10 ensures.
  • the erfindungsgernäße Volume 10 also be prepared such that even without a intimate connection between reinforcements and plastic material the fluid-tightness is guaranteed, by a flat Bands occurring due to pressure self-sealing effect.
  • the manner in which strength supports, in particular metal threads, a Swiss Patterson exhibiting Fabric is produced, arbitrarily and in particular depending from the desired properties of the fabric selectable.
  • the metal threads can be processed or woven together in this way be that the sheet substantially closed metallic Has surfaces between which the filler, in particular Plastic, is arranged.
  • the proportion of the filler or the Plastic on the overall surface of the tape is here so very small or negligible.
  • the first Metal threads 12, 14, 16 according to the respective weaving method with each other interwoven, so to speak, serving as the skeleton of Volume 10 produce metallic fabrics.
  • This metal mesh will be followed dipped in a bath of liquid plastic to the interstices to fill in the tissue.
  • plastic material which is the Covered surfaces of the now filled with plastic metal mesh, removed to create metallic bare surfaces.
  • the preferably still liquid plastic for example by scraping eliminated or painted in near-surface spaces.
  • the surfaces can be smoothed. That's the way it works ensured that the determined by the respective weaving method share of Metal threads 12, 14, 16 on the entire surface of the belt 10 in connection to the plastic treatment and curing of the plastic is still given.
  • the band 10 of a final treatment e.g. by grinding the strip surfaces be subjected.
  • the preferred application of the tape according to the invention consists in used as a sealing tape in dry areas of paper machines.
  • the sheet-like fabric can be produced in such a way that projecting in the edge regions at least in one direction bead-like thickenings are present, which are not shown in the figure are.
  • sealing beads may e.g. produced by interweaving the metal threads and thus formed in the preparation of the fabric with become. It is also possible to apply the sealing beads through on the surface to form the surface fabric resting plastic material.
  • the sealing beads can also come from another, neither for the strength carrier still used for the filling material or a material mixture or a composite material.
  • the strip according to the invention is a drying device of the paper machine, e.g. a drying cylinder having a heatable surface, together with the paper web to be dried and one or several sieves supplied in such a way that the band, the two sealing beads of the belt and the heated surface of the drying cylinder itself over a portion of the circumference of the drying cylinder extending drying space limit.
  • a drying room In this drying room are the to be dried Paper web and the sieves.
  • the paper web can be directly on the drying cylinder rest, while the sieves between the paper web and the sealing tape according to the invention are arranged.
  • the lateral sealing bulges of the Bandes either directly on the drying cylinder or on one on the Cylinder surface lying on screen.
  • the fluid impermeability of the composite material according to the invention can not evaporate moisture from the paper web escape through the belt sealed drying room.
  • the good thermal conductivity of the band ensures rapid heat dissipation, so that the moisture condenses on and from the screen is carried out of the dry area.

Claims (17)

  1. Bande pour la fabrication de nappes de matériau, notamment de nappes de papier, qui est fabriquée à partir d'un matériau composite qui comprend une structure en nappe fabriquée à partir de supports de renforcement de préférence longitudinaux (12, 14, 16) dans laquelle des espaces intermédiaires entre les supports de renforcement (12, 14, 16) sont au moins partiellement remplis d'un matériau de charge (18),
    les supports de renforcement (12, 14, 16) étant fabriqués à partir d'un matériau de grande conductibilité thermique, caractérisée en ce que les portions des supports de renforcement (12, 14, 16) formant la surface de la bande sont exposées.
  2. Bande selon la revendication 1, caractérisée en ce que le matériau de grande conductibilité thermique est du métal, de préférence de l'acier inoxydable et/ou du bronze.
  3. Bande selon la revendication 1 ou 2, caractérisée en ce que les supports de renforcement sont prévus sous forme de fils, notamment de fils métalliques (12, 14, 16).
  4. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que les supports de renforcement (12, 14, 16) présentent une section transversale au moins approximativement circulaire et/ou sont prévus sous forme de rubans et/ou de bandes notamment étroits.
  5. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins quelques-uns des supports de renforcement présentent à chaque fois une forme en section transversale variant sur leur longueur.
  6. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que l'on prévoit comme matériau de charge (18) un plastique.
  7. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que le matériau composite est au moins essentiellement imperméable aux fluides.
  8. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que l'on prévoit dans les régions des bords, des épaississements en particulier en forme de bourrelets, qui sont formés par les supports de renforcement (12, 14, 16) de la structure en nappe, par le matériau de charge (18) et/ou au moins par un autre matériau ou au moins un mélange de matériaux.
  9. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins une surface essentiellement fermée est formée sur au moins un côté des supports de renforcement (12, 14, 16).
  10. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce qu'une surface au moins approximativement lisse est formée sur au moins un côté par les supports de renforcement (12, 14, 16) et le matériau de charge (18).
  11. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que la structure en nappe est réalisée sous forme de toile.
  12. Bande selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que les supports de renforcement (12, 14, 16) sont tissés ensemble.
  13. Procédé de fabrication d'une bande selon l'une quelconque des revendications 1 à 12, dans lequel une structure en nappe est fabriquée à partir de supports de renforcement (12, 14, 16) de préférence longitudinaux en un matériau de grande conductibilité thermique, notamment des fils métalliques, et des espaces intermédiaires entre les supports de renforcement (12, 14, 16) sont au moins partiellement remplis d'un matériau de charge (18), en particulier de plastique, caractérisé en ce que du matériau de charge (18) recouvrant les surfaces de la structure en nappe est enlevé, notamment raclé, et/ou ou enduit dans les espaces intermédiaires.
  14. Procédé selon la revendication 13, caractérisé en ce que la structure en nappe est plongée dans le matériau de charge fluide (18).
  15. Procédé selon la revendication 13 ou 14, caractérisé en ce que la structure en nappe est pulvérisée avec un matériau de charge fluide (18).
  16. Procédé selon au moins l'une quelconque des revendications 13 à 15, caractérisé en ce qu'après le traitement avec en particulier un matériau de charge fluide (18), les surfaces de la structure en nappe sont lissées et/ou la structure en nappe est soumise à un traitement de surface final, notamment par polissage des surfaces.
  17. Procédé selon au moins l'une quelconque des revendications 13 à 16, caractérisé en ce que les supports de renforcement (12, 14, 16) sont tissés ensemble, le procédé de tissage étant choisi à chaque fois en fonction de la constitution de la surface souhaitée, en particulier en fonction du comportement de perméabilité thermique souhaité.
EP99123453A 1999-01-13 1999-11-25 Bande pour la fabrication d' un materiau en bande Expired - Lifetime EP1026313B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19900989 1999-01-13
DE19900989A DE19900989A1 (de) 1999-01-13 1999-01-13 Band für Maschinen zur Herstellung von Materialbahnen

Publications (3)

Publication Number Publication Date
EP1026313A2 EP1026313A2 (fr) 2000-08-09
EP1026313A3 EP1026313A3 (fr) 2001-05-09
EP1026313B1 true EP1026313B1 (fr) 2005-04-13

Family

ID=7894112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123453A Expired - Lifetime EP1026313B1 (fr) 1999-01-13 1999-11-25 Bande pour la fabrication d' un materiau en bande

Country Status (3)

Country Link
US (1) US7005045B1 (fr)
EP (1) EP1026313B1 (fr)
DE (2) DE19900989A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043919A1 (de) 2008-11-20 2010-05-27 Voith Patent Gmbh Papiermaschinenbespannung und Verfahren zu dessen Herstellung
DE102009045213A1 (de) 2009-09-30 2011-03-31 Voith Patent Gmbh Papiermaschinenbespannung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204357B4 (de) * 2002-02-01 2006-10-26 Thomas Josef Heimbach Gmbh & Co. Preßfilz
DE50201402D1 (de) 2002-02-01 2004-12-02 Heimbach Gmbh Thomas Josef Papiermaschinenbespannung, insbesondere Pressfilz
DE10204356C1 (de) 2002-02-01 2003-08-07 Heimbach Gmbh Thomas Josef Papiermaschinenbespannung, insbesondere Preßfilz sowie ein Verfahren zur Herstellung der Papiermaschinenbespannung
EP1709242A2 (fr) * 2004-01-30 2006-10-11 Voith Patent GmbH Systeme de deshydratation avance
DE102005035030A1 (de) * 2005-07-27 2007-02-01 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Maschine zur Herstellung einer mindestens einseitig kaschierten Wellpappebahn
DE102006022235A1 (de) * 2006-05-12 2007-11-15 Voith Patent Gmbh Papiermacher-Trockensieb
DE102011080666A1 (de) 2011-08-09 2013-02-14 Voith Patent Gmbh Bespannung

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Publication number Priority date Publication date Assignee Title
US3067779A (en) * 1960-02-04 1962-12-11 Draper Brothers Company Electroconductive papermaker's felt
US3523867A (en) * 1966-01-28 1970-08-11 Johnson Wire Works Ltd Fourdrinier wire belt

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067779A (en) * 1960-02-04 1962-12-11 Draper Brothers Company Electroconductive papermaker's felt
US3523867A (en) * 1966-01-28 1970-08-11 Johnson Wire Works Ltd Fourdrinier wire belt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043919A1 (de) 2008-11-20 2010-05-27 Voith Patent Gmbh Papiermaschinenbespannung und Verfahren zu dessen Herstellung
DE102009045213A1 (de) 2009-09-30 2011-03-31 Voith Patent Gmbh Papiermaschinenbespannung

Also Published As

Publication number Publication date
EP1026313A2 (fr) 2000-08-09
US7005045B1 (en) 2006-02-28
EP1026313A3 (fr) 2001-05-09
DE19900989A1 (de) 2000-07-27
DE59911904D1 (de) 2005-05-19

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