EP2055830B1 - Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient - Google Patents

Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient Download PDF

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Publication number
EP2055830B1
EP2055830B1 EP20070021154 EP07021154A EP2055830B1 EP 2055830 B1 EP2055830 B1 EP 2055830B1 EP 20070021154 EP20070021154 EP 20070021154 EP 07021154 A EP07021154 A EP 07021154A EP 2055830 B1 EP2055830 B1 EP 2055830B1
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EP
European Patent Office
Prior art keywords
belt
drive side
fibres
fabric
corrugated board
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.)
Active
Application number
EP20070021154
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German (de)
French (fr)
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EP2055830A1 (en
Inventor
Hartmut Bella
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.)
Muehlen Sohn GmbH and Co
Original Assignee
Muehlen Sohn GmbH and Co
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
Priority to ES07021154T priority Critical patent/ES2367848T3/en
Priority to PT07021154T priority patent/PT2055830E/en
Priority to PL07021154T priority patent/PL2055830T3/en
Priority to AT07021154T priority patent/ATE512250T1/en
Priority to EP20070021154 priority patent/EP2055830B1/en
Application filed by Muehlen Sohn GmbH and Co filed Critical Muehlen Sohn GmbH and Co
Priority to DK07021154T priority patent/DK2055830T3/en
Priority to US12/289,488 priority patent/US8079394B2/en
Publication of EP2055830A1 publication Critical patent/EP2055830A1/en
Application granted granted Critical
Publication of EP2055830B1 publication Critical patent/EP2055830B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D21F1/0036—Multi-layer screen-cloths
    • D21F1/0045—Triple layer fabrics
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2311—Coating or impregnation is a lubricant or a surface friction reducing agent other than specified as improving the "hand" of the fabric or increasing the softness thereof
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/322—Warp differs from weft
    • Y10T442/3228—Materials differ

Definitions

  • the invention relates to a belt for a corrugator machine for producing a corrugated cardboard web according to the features of the preamble of claim 1.
  • Known belt consists of a fabric of warp threads and weft threads, wherein the belt has one to be produced corrugated board facing paper side, which rests against the corrugated web and one of the corrugated board facing away from drive side, are introduced via the tensile forces in the fabric belt.
  • the corrugated board web is drawn lying between two fabric belts through a heating and pressure zone in which the connection of the individual layers of the corrugated cardboard web takes place.
  • a heating and pressure zone in which the connection of the individual layers of the corrugated cardboard web takes place.
  • An increase in output of a corrugator machine can therefore only be achieved by means of a higher drive power in order to compensate for the increased pressure required for the increase in production and the concomitant loss of friction between the fabric belt and the press shoe.
  • the invention has for its object to increase the production capacity of a corrugator without increasing the drive power.
  • the inventive measure contradicts the efforts of the art, according to which to enter a high drive power in the fabric belt whose drive drum facing drive side is to be treated reibwerter Whynd.
  • reibwertvermindernde material is applied preferably as a coating over the entire surface of the drive side of the belt.
  • the material may be applied to some of the threads as a coating or individual or all of the threads of the drive side, preferably all warp threads from the reibwertvermindernden material.
  • the drive-side yarns preferably the warp yarns of twisted yarns, with part of the twisted yarns of unaltered yarn material such as polyester and another part of the twisted yarns of the lower friction material such as polytetrafluoroethylene.
  • the formation of the fabric belt on the drive side may be provided so that substantially all the warp threads of a lying between the longitudinal edges of the fabric belt region comprise the reibwertvermindernde material, wherein the reibwertummindernde material having a lower coefficient of friction than the material of the other fabric threads on the same side are processed.
  • the material is an under lubricating material, so that - even if only individual areas are treated with the reibwertvermindernden material or only individual warp threads have the reibwertvermindernde material - during operation, a distribution over substantially the entire drive side of the fabric belt.
  • the material is a slippery plastic such as a fully fluorinated polymer, preferably polytetrafluoroethylene (trade name Teflon).
  • a belt for a corrugator machine which consists of a fabric of warp threads and weft threads, which has one of the corrugated board web to be produced paper side facing away from the corrugated cardboard web drive side.
  • the paper side of the fabric belt abuts on the corrugated cardboard web, while on the drive side of the fabric belt a drive acts, which initiates the necessary for the longitudinal movement of the fabric belt tensile forces in the belt.
  • the arrangement of a material for reducing the coefficient of friction on the drive side forming the belt side leads to a lower friction work between the pressure elements and the drive side of the fabric belt in the heating and pressure zone.
  • the reibwertvermindernde material has a lower coefficient of friction than the fabric belt forming material.
  • corrugator 60 is used to produce corrugated cardboard webs 50, which consist of a middle web 52 of corrugated material and covering the outer webs 51 and 53 made of smooth material.
  • the middle web 52 is connected to the outer webs 51 and 53 under pressure and temperature with each other, preferably glued together.
  • a pressure zone 70 is formed in the corrugator, which consists of individual pressure elements 71 and associated abutments 73.
  • fourteen pressure elements and fourteen counter bearings 73 are arranged one behind the other in the transport direction 8, with each pressure element 71 having a press shoe 75.
  • the press shoe 75 is pressed firmly on the counter bearing 73 via an appropriately designed spring element 74 with adjustable force.
  • heaters 72 are formed, wherein preferably a hot air heater is provided. Electric heaters may also be advantageous.
  • the corrugated board web 50 to be produced is conveyed by belts 1, 1a through the heating and pressure zone 70.
  • the corrugated cardboard web is caught between the two belts 1, 1 a, so that a tensile force acting in the transport direction 8 is applied to both sides of the corrugated cardboard web 50.
  • the upper belt 1 (upper belt) is formed longer than the lower belt 1a (lower belt), since the upper belt 1 passes through the heating and pressure zone 70 together with the corrugated cardboard web 50.
  • a drive 61 is provided, which is formed from an upper drive drum 62 for the upper flange and from a lower drive drum 62a for the lower flange.
  • Each drive drum 62, 62a is associated with a guide drum 63, 63a; by means of which the wrap angle of the belt 1, 1a on the drive drum 62, 62a is increased to more than 180 Ā° up to 300 Ā°. This allows a higher torque to be transmitted to the belt.
  • Each belt 1, 1a is guided over a deflection drum 64, 64a, which is also associated with a guide drum 65, 65a.
  • a tensioning drum 66 a the necessary tension in the upper flange 1 as in the lower flange 1 a is ensured.
  • the heating and pressure zone 70 is in the embodiment shown within the endless upper belt 1, ie on the inner drive side 7 of the belt 1.
  • the outside of the belt 1 is the paper side 6, which faces the corrugated cardboard web 50 and rests on the corrugated cardboard web 50.
  • the paper page 6 is on the outside 53 of smooth material.
  • a sufficient temperature and a sufficient exposure time are necessary.
  • the contact time is determined by the conveying speed in the transport direction 8.
  • a high temperature and a high pressure are required, which requires high drive power of the drive 61 due to the frictional loss in the pressure and heating zone 70. If the pressure of the pressure elements 71 is reduced, although the necessary drive power is reduced, then the heating power may have to be increased in order to ensure proper bonding of the corrugated cardboard web 50 at the same transport speed in the transport direction 8.
  • a material is provided on the drive side 7 of the upper flange 1, which reduces the coefficient of friction of the drive side 7, ie increases the sliding value between the press shoe 75 and the drive side 7 of the belt 1.
  • the pressure can be increased without the drive power increases.
  • the heating power can be lowered or the conveying speed can be increased without the quality of the manufactured corrugated cardboard web 50 decreases.
  • the belt 1 made of a fabric of plastic threads Fig. 2 ) consists in the embodiment shown of an upper fabric layer 10, a middle fabric layer 20 and a lower fabric layer 30.
  • the side facing away from the middle fabric layer 20 of the upper fabric layer 10 forms the corrugated board facing paper side 6 of the fabric belt 1.
  • the middle fabric layer 20 side facing away forms the drive drum 62 facing drive side 7 of the fabric belt.
  • the weft threads 4 extend transversely to the longitudinal direction 5 (FIG. Figures 3 and 4 ).
  • four mutually offset warp threads 11, 12, 13, 14 are in the upper fabric layer 10 ( Fig. 2 ), which run both inward toward the middle fabric layer 20 and outwardly toward the paper side 6 via at least two weft threads 4 in each case.
  • the lower fabric layer 30 consists of four each mutually offset warp yarns 31, 32, 33, 34, the inward - the middle fabric layer 20 - over only a weft 4 and to the outside - to the drive side 7 through - over at least three weft threads 4 run ( FIGS. 2 and 3 ).
  • the middle fabric layer 20 has two mutually offset warp threads 21 and 22, which run over two weft threads 4.
  • the three fabric layers 10, 20, 30 are woven together via binding threads 40, 41, 42, 43.
  • the binding threads are subdivided into two groups of threads, wherein the binding threads 42, 43 forming a thread group run offset to one another and bind the upper fabric layer 10 to the middle fabric layer 20.
  • the binding threads 42 and 43 are each guided alternately via a weft thread 4 in the upper fabric layer 10 and a weft thread 4 in the middle fabric layer 20.
  • the group of threads formed from the binding threads 40 and 41 binds the lower fabric layer 30 to the middle fabric layer 20.
  • a two-ply or one-ply fabric belt can also be used as upper belt 1 or lower belt 1a in the corrugator 60 Fig. 1 be used.
  • a coating 9 is provided to reduce the coefficient of friction on the drive side 7, which has a lower coefficient of friction than the drive side 7 forming fabric material.
  • the coating may be a slippery plastic, in particular a fully fluorinated polymer, z. B. a polytetrafluoroethylene, which is offered as Teflon in the market.
  • the material is a lubricating in operation material, so that the coating is distributed over the entire surface of the drive side 7 during operation, even if the coating 9 is only partially applied to the drive side 7.
  • the coating 9 can be applied as a sprayed or glued grid network or the like. On the drive side 7, to then lubricate in operation and to cover the entire drive side 7.
  • the friction-reducing material is applied to at least some of the threads of the drive side 7, preferably on the warp threads 31a, 32a (FIG. Fig. 3 ) or 31a, 32a, 33a, 34a ( Fig. 4 ).
  • a section through such a warp thread 31a is shown in FIG Fig. 5 shown.
  • the coating 9a of the Reibwertvermindernden material may partially, preferably completely envelop the warp thread 31a.
  • lubricating material can be processed into a thread, some of the warp threads 31a, 32a, 33a, 34a are suitably made entirely of this material and woven into the drive side 7.
  • twisted threads 80 are provided as warp threads 31a, 32a, 33a, 34a on the drive side 7.
  • Such twisted yarns 80 consist of monofilaments 83 of an unchanged thread material such as polyester or the like., And another part of the threads consists of the material with a lower coefficient of friction such.
  • Such twisted threads 80 are used as warp threads on the drive side 7, wherein the existing of the reibwertvermindernden material filaments 81 lubricate and ensure over a long period of operation good lubrication of the drive side 7 with the reibwertvermindernden material.
  • the sliding resistance between the press shoe 75 and the drive side 7 of the fabric belt 1 is low over a long period of operation.
  • substantially all of the warp threads 31a, 32a, 33a, 34a have friction-reducing material in a middle region 3 of the fabric belt 1 located between the longitudinal edges 2.
  • This Reibwertvermindernde material has a lower coefficient of friction than the material from which the other fabric threads -.

Landscapes

  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Belt Conveyors (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

The belt (1) has a fabric of warp fibers and weft fibers, where the fabric defines a paper side (6) of the belt facing away from a driven side (7) and facing toward a corrugated board (50) to be manufactured. The fabric defines the driven side of the belt with the driven side facing away from the paper side and having a coefficient of friction. A material is placed on the driven side for reducing the coefficient of friction of the driven side, where the material is applied to the entire area of the driven side of the belt as a coating.

Description

Die Erfindung betrifft einen Gurt fĆ¼r eine Wellpappenmaschine zur Herstellung einer Wellpappenbahn nach den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a belt for a corrugator machine for producing a corrugated cardboard web according to the features of the preamble of claim 1.

Ein derartiger aus der EP 0 726 982 B1 bekannter Gurt besteht aus einem Gewebe aus KettfƤden und SchussfƤden, wobei der Gurt eine der zu fertigenden Wellpappenbahn zugewandte Papierseite aufweist, die an der Wellpappenbahn anliegt und eine der Wellpappenbahn abgewandt liegende Antriebsseite aufweist, Ć¼ber die ZugkrƤfte in den Gewebegurt eingeleitet werden.Such from the EP 0 726 982 B1 Known belt consists of a fabric of warp threads and weft threads, wherein the belt has one to be produced corrugated board facing paper side, which rests against the corrugated web and one of the corrugated board facing away from drive side, are introduced via the tensile forces in the fabric belt.

Aus der WO 02/086231 A1 ist zusƤtzlich bekannt, auf der Antriebsseite des Gurts gleitfreudige Fasern hinzuzufĆ¼gen.From the WO 02/086231 A1 is also known to add on the drive side of the belt slippery fibers.

In bekannten Wellpappenmaschinen wird die Wellpappenbahn zwischen zwei Gewebegurte liegend durch eine Heiz- und Druckzone gezogen, in der die Verbindung der einzelnen Lagen der Wellpappenbahn erfolgt. Hierbei ist einerseits eine ausreichende Heizleistung zuzufĆ¼hren, um die notwendige Temperatur zur VerflĆ¼ssigung des Klebers zwischen den Lagen zu gewƤhrleisten und andererseits ein ausreichender Druck aufzubringen, der eine Verteilung des Klebers zwischen den Lagen gewƤhrleistet und die Fixierung der Lagen zueinander sicherstellt.In known corrugated cardboard machines, the corrugated board web is drawn lying between two fabric belts through a heating and pressure zone in which the connection of the individual layers of the corrugated cardboard web takes place. In this case, on the one hand to supply a sufficient heating power to ensure the necessary temperature for liquefying the adhesive between the layers and on the other hand to apply sufficient pressure, a distribution of the adhesive between the layers ensures and ensures the fixation of the layers to each other.

Um eine Wellpappenmaschine mit hoher Fertigungsleistung bereitzustellen, muss in der Heiz- und Druckzone ausreichend Heizleistung zur VerfĆ¼gung stehen, ein ausreichender Druck auf die Wellpappenbahn ausgefĆ¼hrt werden und die Transportgeschwindigkeit durch die Heiz- und Druckzone entsprechend angepasst sein. Wird die Transportgeschwindigkeit erhƶht, mĆ¼ssen die Heizleistung und die Anpressleistung vergrĆ¶ĆŸert werden, damit eine ausreichende Verklebung sichergestellt ist. Dadurch steigt aber der Reibverlust zwischen dem mit der Wellpappenbahn durch die Heiz- und Druckzone laufenden Gewebegurt und den Pressschuhen der einzelnen Druckelemente. Diese erhƶhte Reibleistung muss durch eine erhƶhte Antriebsleistung der Wellpappenmaschine egalisiert werden.In order to provide a corrugator machine with high production capacity, sufficient heating power must be available in the heating and pressure zone, sufficient pressure must be exerted on the corrugated cardboard web and the transport speed must be adapted accordingly by the heating and pressure zone. If the transport speed is increased, the heating power and the Anpressleistung must be increased to ensure adequate bonding is ensured. As a result, however, the friction loss increases between the running with the corrugated web through the heating and pressure zone fabric belt and the press shoes of the individual printing elements. This increased friction power must be equalized by an increased drive power of the corrugator.

Eine Leistungssteigerung einer Wellpappenmaschine kann daher nur Ć¼ber eine hƶhere Antriebsleistung erreicht werden, um den zur Fertigungssteigerung notwendigen erhƶhten Druck und den damit einhergehenden Reibungsverlust zwischen dem Gewebegurt und dem Pressschuh auszugleichen.An increase in output of a corrugator machine can therefore only be achieved by means of a higher drive power in order to compensate for the increased pressure required for the increase in production and the concomitant loss of friction between the fabric belt and the press shoe.

Der Erfindung liegt die Aufgabe zugrunde, die Fertigungsleistung einer Wellpappenmaschine ohne Erhƶhung der Antriebsleistung zu steigern.The invention has for its object to increase the production capacity of a corrugator without increasing the drive power.

Die Aufgabe wird erfindungsgemƤƟ nach den kennzeichnenden Merkmalen des Anspruchs 1 gelƶst.The object is achieved according to the characterizing features of claim 1.

Die Antriebsseite des durch die Heiz- und Druckzone laufenden Gewebegurtes mit einem reibwertvermindernden Material zu versehen, fĆ¼hrt zu einer deutlichen Absenkung der Reibungsarbeit zwischen den Pressschuhen und dem durchlaufenden Gewebegurt. Die erhƶhte Gleitfreudigkeit zwischen den Pressschuhen der Druckelemente und dem Gewebegurt senkt die notwendige Antriebsleistung signifikant, so dass der verminderte Kraftschluss zwischen dem Antrieb und dem Gurt ohne Bedeutung ist. Sofern erforderlich, kann durch Erhƶhung des Umschlingungswinkels der Antriebstrommel des Gewebegurtes der verringerte Kraftschluss zumindest teilweise ausgeglichen werden.To provide the drive side of running through the heating and pressure zone fabric belt with a reibwertvermindernden material, leads to a significant reduction in friction between the press shoes and the continuous fabric belt. The increased Gleitfreudigkeit between the press shoes of the pressure elements and the fabric belt significantly reduces the necessary drive power, so that the reduced adhesion between the drive and the belt is irrelevant. If necessary, by increasing the wrap angle of the drive drum of the fabric belt, the reduced adhesion can be at least partially compensated.

Im Ergebnis fĆ¼hrt die Anordnung von reibwertverminderndem Material auf der Antriebsseite des die Heiz- und Druckzone durchlaufenden Gewebegurtes zu einer Leistungssteigerung, da bei gleicher Antriebsleistung der Druck in der Heiz- und Druckzone erhƶht wird und die Transportgeschwindigkeit der Wellpappenbahn gesteigert wird.As a result, the arrangement of Reibnungsverminderndem material on the drive side of the heating and pressure zone passing through the fabric belt leads to an increase in performance, since the same drive power, the pressure in the heating and pressure zone is increased and the transport speed of the corrugated web is increased.

Die erfindungsgemƤƟe MaƟnahme widerspricht den Bestrebungen der Fachwelt, wonach zum Eintrag einer hohen Antriebsleistung in den Gewebegurt dessen der Antriebstrommel zugewandte Antriebsseite reibwerterhƶhend zu behandeln ist.The inventive measure contradicts the efforts of the art, according to which to enter a high drive power in the fabric belt whose drive drum facing drive side is to be treated reibwerterhƶhend.

Das erfindungsgemƤƟ auf die Antriebsseite aufgebrachte, reibwertvermindernde Material wird als Beschichtung vorzugsweise ganzflƤchig auf die Antriebsseite des Gurtes aufgebracht.The inventively applied to the drive side, reibwertvermindernde material is applied preferably as a coating over the entire surface of the drive side of the belt.

Es kann ausreichend sein, das Material auf zumindest einige der FƤden der Antriebsseite aufzubringen, die als KettfƤden auf der Antriebsseite verarbeitet sind. Dabei kann das Material auf einige der FƤden als Beschichtung aufgebracht sein oder einzelne bzw. alle der FƤden der Antriebsseite, vorzugsweise alle KettfƤden aus dem reibwertvermindernden Material bestehen.It may be sufficient to apply the material to at least some of the drive-side threads processed as warp-side warp threads. In this case, the material may be applied to some of the threads as a coating or individual or all of the threads of the drive side, preferably all warp threads from the reibwertvermindernden material.

Es kann zweckmƤƟig sein, zumindest einige der FƤden der Antriebsseite, vorzugsweise die KettfƤden aus verzwirnten FƤden zu bilden, wobei ein Teil der verzwirnten FƤden aus unverƤndertem Fadenmaterial wie Polyester und ein anderer Teil der verzwirnten FƤden aus dem Material mit geringerem Reibwert wie Polytetraflurethylen besteht.It may be convenient to form at least some of the drive-side yarns, preferably the warp yarns of twisted yarns, with part of the twisted yarns of unaltered yarn material such as polyester and another part of the twisted yarns of the lower friction material such as polytetrafluoroethylene.

Die Ausbildung des Gewebegurtes auf der Antriebsseite kann so vorgesehen sein, dass im Wesentlichen alle KettfƤden eines zwischen den LƤngsrƤndern des Gewebegurtes liegenden Bereichs das reibwertvermindernde Material aufweisen, wobei das reibwertvermindernde Material einen geringeren Reibungskoeffizienten aufweist als das Material der anderen GewebefƤden, die auf der gleichen Seite verarbeitet sind.The formation of the fabric belt on the drive side may be provided so that substantially all the warp threads of a lying between the longitudinal edges of the fabric belt region comprise the reibwertvermindernde material, wherein the reibwertummindernde material having a lower coefficient of friction than the material of the other fabric threads on the same side are processed.

Das Material ist ein unter Betrieb schmierendes Material, so dass - auch wenn nur einzelne Bereiche mit dem reibwertvermindernden Material behandelt sind oder nur einzelne KettfƤden das reibwertvermindernde Material aufweisen - im Betrieb ein Verteilen Ć¼ber im Wesentlichen die gesamte Antriebsseite des Gewebegurtes erfolgt.The material is an under lubricating material, so that - even if only individual areas are treated with the reibwertvermindernden material or only individual warp threads have the reibwertvermindernde material - during operation, a distribution over substantially the entire drive side of the fabric belt.

Das Material ist ein gleitfreudiger Kunststoff wie ein vollfluoriertes Polymer, vorzugsweise Polytetraflurethylen (Handelsname Teflon).The material is a slippery plastic such as a fully fluorinated polymer, preferably polytetrafluoroethylene (trade name Teflon).

GemƤƟ der Erfindung ist ein Gurt fĆ¼r eine Wellpappenmaschine geschaffen, der aus einem Gewebe aus KettfƤden und SchussfƤden besteht, das eine der zu fertigenden Wellpappenbahn zugewandte Papierseite und eine der Wellpappenbahn abgewandt liegende Antriebsseite aufweist. Die Papierseite des Gewebegurtes liegt an der Wellpappenbahn an, wƤhrend auf der Antriebsseite des Gewebegurtes ein Antrieb wirkt, der die zur LƤngsbewegung des Gewebegurtes notwendigen ZugkrƤfte in den Gurt einleitet. Die Anordnung eines Materials zur Herabsetzung des Reibwertes auf der die Antriebsseite bildenden Gurtseite fĆ¼hrt zu einer geringeren Reibungsarbeit zwischen den Druckelementen und der Antriebsseite des Gewebegurtes in der Heiz- und Druckzone. Das reibwertvermindernde Material hat einen geringeren Reibwert als das den Gewebegurt bildende Material.According to the invention, a belt for a corrugator machine is provided, which consists of a fabric of warp threads and weft threads, which has one of the corrugated board web to be produced paper side facing away from the corrugated cardboard web drive side. The paper side of the fabric belt abuts on the corrugated cardboard web, while on the drive side of the fabric belt a drive acts, which initiates the necessary for the longitudinal movement of the fabric belt tensile forces in the belt. The arrangement of a material for reducing the coefficient of friction on the drive side forming the belt side leads to a lower friction work between the pressure elements and the drive side of the fabric belt in the heating and pressure zone. The reibwertvermindernde material has a lower coefficient of friction than the fabric belt forming material.

AusfĆ¼hrungsbeispiele der Erfindung werden im Folgenden anhand der Zeichnung erlƤutert. Es zeigen:

Fig. 1
in schematischer Darstellung eine Wellpappenmaschine zur Herstellung einer Wellpappenbahn,
Fig. 2
im LƤngsschnitt den Fadenverlauf durch einen Gewebegurt,
Fig. 3
eine Draufsicht auf den Fadenverlauf in der Antriebsseite des Gewebegurtes nach Fig. 2,
Fig. 4
eine schematische Draufsicht auf einen Gewebegurt gemƤƟ Fig. 2,
Fig. 5
einen Schnitt durch einen Gewebefaden des Gurtes mit ƤuƟerer Beschichtung aus einem reibwertvermindernden Material,
Fig. 6
einen schematischen Schnitt durch einen verzwirnten Faden aus EinzelfƤden aus Polyester und Polytetraflorethylen.
Embodiments of the invention are explained below with reference to the drawing. Show it:
Fig. 1
a schematic representation of a corrugator machine for producing a corrugated cardboard web,
Fig. 2
in longitudinal section the thread course through a fabric strap,
Fig. 3
a plan view of the thread pattern in the drive side of the fabric belt after Fig. 2 .
Fig. 4
a schematic plan view of a fabric belt according to Fig. 2 .
Fig. 5
a section through a fabric thread of the belt with outer coating of a reibwertvermindernden material,
Fig. 6
a schematic section through a twisted thread of monofilaments of polyester and polytetrafluoroethylene.

Die in Fig. 1 schematisch dargestellte Wellpappenmaschine 60 dient der Herstellung von Wellpappenbahnen 50, die aus einer Mittelbahn 52 aus Wellmaterial und abdeckenden AuƟenbahnen 51 und 53 aus Glattmaterial bestehen. Die Mittelbahn 52 wird mit den AuƟenbahnen 51 und 53 unter Druck und Temperatur miteinander verbunden, vorzugsweise miteinander verklebt.In the Fig. 1 schematically shown corrugator 60 is used to produce corrugated cardboard webs 50, which consist of a middle web 52 of corrugated material and covering the outer webs 51 and 53 made of smooth material. The middle web 52 is connected to the outer webs 51 and 53 under pressure and temperature with each other, preferably glued together.

Hierzu ist in der Wellpappenmaschine eine Druckzone 70 ausgebildet, die aus einzelnen Druckelementen 71 und zugeordneten Gegenlagern 73 besteht. Im gezeigten AusfĆ¼hrungsbeispiel liegen vierzehn Druckelemente und vierzehn Gegenlager 73 in Transportrichtung 8 hintereinander, wobei jedes Druckelement 71 einen Pressschuh 75 aufweist. Der Pressschuh 75 wird Ć¼ber ein entsprechend ausgebildetes Federelement 74 mit einstellbarer Kraft fest auf das Gegenlager 73 gedrĆ¼ckt. In den Gegenlagern 73 sind Heizungen 72 ausgebildet, wobei bevorzugt eine HeiƟluftheizung vorgesehen ist. Elektrische Heizeinrichtungen kƶnnen ebenfalls vorteilhaft sein.For this purpose, a pressure zone 70 is formed in the corrugator, which consists of individual pressure elements 71 and associated abutments 73. In the exemplary embodiment shown, fourteen pressure elements and fourteen counter bearings 73 are arranged one behind the other in the transport direction 8, with each pressure element 71 having a press shoe 75. The press shoe 75 is pressed firmly on the counter bearing 73 via an appropriately designed spring element 74 with adjustable force. In the abutments 73 heaters 72 are formed, wherein preferably a hot air heater is provided. Electric heaters may also be advantageous.

Die zu fertigende Wellpappenbahn 50 wird mittels Gurten 1, 1a durch die Heiz- und Druckzone 70 gefƶrdert. Am Ende der Heiz- und Druckzone 70 ist die Wellpappenbahn zwischen den beiden Gurten 1, 1a gefasst, so dass eine in Transportrichtung 8 wirkende Zugkraft auf beiden Seiten der Wellpappenbahn 50 aufgebracht wird.The corrugated board web 50 to be produced is conveyed by belts 1, 1a through the heating and pressure zone 70. At the end of the heating and pressure zone 70, the corrugated cardboard web is caught between the two belts 1, 1 a, so that a tensile force acting in the transport direction 8 is applied to both sides of the corrugated cardboard web 50.

Der obere Gurt 1 (Obergurt) ist lƤnger als der untere Gurt 1a (Untergurt) ausgebildet, da der Obergurt 1 zusammen mit der Wellpappenbahn 50 die Heiz- und Druckzone 70 durchlƤuft.
Hierzu ist ein Antrieb 61 vorgesehen, der aus einer oberen Antriebstrommel 62 fĆ¼r den Obergurt und aus einer unteren Antriebstrommel 62a fĆ¼r den Untergurt gebildet ist. Jeder Antriebstrommel 62, 62a ist eine FĆ¼hrungstrommel 63, 63a zugeordnet; mit Hilfe derer der Umschlingungswinkel des Gurtes 1, 1a auf der Antriebstrommel 62, 62a auf mehr als 180Ā° bis zu 300Ā° vergrĆ¶ĆŸert wird. Damit kann ein hƶheres Drehmoment auf den Gurt Ć¼bertragen werden.The upper belt 1 (upper belt) is formed longer than the lower belt 1a (lower belt), since the upper belt 1 passes through the heating and pressure zone 70 together with the corrugated cardboard web 50.
For this purpose, a drive 61 is provided, which is formed from an upper drive drum 62 for the upper flange and from a lower drive drum 62a for the lower flange. Each drive drum 62, 62a is associated with a guide drum 63, 63a; by means of which the wrap angle of the belt 1, 1a on the drive drum 62, 62a is increased to more than 180 Ā° up to 300 Ā°. This allows a higher torque to be transmitted to the belt.

Jeder Gurt 1, 1a ist Ć¼ber eine Umlenktrommel 64, 64a gefĆ¼hrt, der ebenfalls einer FĆ¼hrungstrommel 65, 65a zugeordnet ist.
Ɯber eine Spanntrommel 66a wird die notwendige Spannung im Obergurt 1 wie im Untergurt 1a sichergestellt.Each belt 1, 1a is guided over a deflection drum 64, 64a, which is also associated with a guide drum 65, 65a.
About a tensioning drum 66 a, the necessary tension in the upper flange 1 as in the lower flange 1 a is ensured.

Die Heiz- und Druckzone 70 liegt im gezeigten AusfĆ¼hrungsbeispiel innerhalb des endlosen Obergurtes 1, d. h. auf der innenliegenden Antriebsseite 7 des Gurtes 1. Die AuƟenseite des Gurtes 1 ist die Papierseite 6, die der Wellpappenbahn 50 zugewandt liegt und auf der Wellpappenbahn 50 aufliegt. Im gezeigten AusfĆ¼hrungsbeispiel liegt die Papierseite 6 auf der AuƟenseite 53 aus Glattmaterial auf.The heating and pressure zone 70 is in the embodiment shown within the endless upper belt 1, ie on the inner drive side 7 of the belt 1. The outside of the belt 1 is the paper side 6, which faces the corrugated cardboard web 50 and rests on the corrugated cardboard web 50. Im shown Embodiment, the paper page 6 is on the outside 53 of smooth material.

Um eine gute Verbindung der AuƟenbahnen 51 und 53 aus Glattmaterial mit der Mittelbahn 52 aus Wellmaterial zu gewƤhrleisten, wirkt Ć¼ber den Pressschuh 75 auf die Antriebsseite 7 des Gurtes 1 eine Kraft 76, der vom Gegenlager 73 die Reaktionskraft 77 entgegengesetzt ist. Die AuƟenbahnen 51 und 53 der Wellpappenbahn 50 werden fest gegen die Mittelbahn 52 gedrĆ¼ckt und dabei unter Wirkung von Druck und Hitze mit einem vorher aufgebrachten Kleber miteinander fest verbunden.In order to ensure a good connection of the outer webs 51 and 53 of smooth material with the middle web 52 of corrugated material acts on the press shoe 75 on the drive side 7 of the belt 1, a force 76 which is opposite to the reaction 73, the reaction force 77. The outer webs 51 and 53 of the corrugated cardboard web 50 are pressed firmly against the central web 52 and thereby firmly connected to each other under the action of pressure and heat with a previously applied adhesive.

Um eine gute Verklebung der Wellpappenbahn zu gewƤhrleisten sind ein ausreichender Druck, eine ausreichende Temperatur sowie eine ausreichende Einwirkzeit notwendig. Die Einwirkzeit wird durch die Fƶrdergeschwindigkeit in Transportrichtung 8 bestimmt. Bei einer schnelllaufenden Maschine mit hoher Fƶrderleistung sind eine hohe Temperatur und ein hoher Druck erforderlich, was aufgrund der Reibleistung in der Druck- und Heizzone 70 eine hohe Antriebsleistung des Antriebs 61 erfordert. Wird der Druck der Druckelemente 71 verringert, verringert sich zwar die notwendige Antriebsleistung, dann aber muss unter UmstƤnden die Heizleistung erhƶht werden, um bei gleicher Transportgeschwindigkeit in Transportrichtung 8 eine ordnungsgemƤƟe Verklebung der Wellpappenbahn 50 zu gewƤhrleisten. Um den Druck der einzelnen Druckelemente 71 erhƶhen zu kƶnnen, ohne dass die Antriebsleistung des Antriebs 61 steigt, ist auf der Antriebsseite 7 des Obergurtes 1 ein Material vorgesehen, das den Reibwert der Antriebsseite 7 verringert, also den Gleitwert zwischen dem Pressschuh 75 und der Antriebsseite 7 des Gurtes 1 erhƶht. Mit dem reibwertvermindernden Material auf der Antriebsseite 7 kann der Druck erhƶht werden, ohne dass die Antriebsleistung steigt. So kann die Heizleistung abgesenkt oder die Fƶrdergeschwindigkeit erhƶht werden, ohne dass die QualitƤt der gefertigten Wellpappenbahn 50 sinkt.In order to ensure a good bonding of the corrugated cardboard sheet sufficient pressure, a sufficient temperature and a sufficient exposure time are necessary. The contact time is determined by the conveying speed in the transport direction 8. In a high-speed, high-speed machine, a high temperature and a high pressure are required, which requires high drive power of the drive 61 due to the frictional loss in the pressure and heating zone 70. If the pressure of the pressure elements 71 is reduced, although the necessary drive power is reduced, then the heating power may have to be increased in order to ensure proper bonding of the corrugated cardboard web 50 at the same transport speed in the transport direction 8. In order to be able to increase the pressure of the individual pressure elements 71 without the drive power of the drive 61 rising, a material is provided on the drive side 7 of the upper flange 1, which reduces the coefficient of friction of the drive side 7, ie increases the sliding value between the press shoe 75 and the drive side 7 of the belt 1. With the reibwertvermindernden material on the drive side 7, the pressure can be increased without the drive power increases. Thus, the heating power can be lowered or the conveying speed can be increased without the quality of the manufactured corrugated cardboard web 50 decreases.

Ein in der Wellpappenmaschine nach Fig. 1 einsetzbarer Gurt 1 ist in den Figuren 2 bis 4 als AusfĆ¼hrungsbeispiel gezeigt. Der aus einem Gewebe aus KunststofffƤden hergestellte Gurt 1 (Fig. 2) besteht im gezeigten AusfĆ¼hrungsbeispiel aus einer oberen Gewebelage 10, einer mittleren Gewebelage 20 und einer unteren Gewebelage 30. Die der mittleren Gewebelage 20 abgewandte Seite der oberen Gewebelage 10 bildet die der Wellpappenbahn zugewandte Papierseite 6 des Gewebegurtes 1. Die der mittleren Gewebelage 20 abgewandte Seite der unteren Gewebelage 30 bildet die der Antriebstrommel 62 zugewandte Antriebsseite 7 des Gewebegurtes 1.One in the corrugator after Fig. 1 usable belt 1 is in the FIGS. 2 to 4 shown as an embodiment. The belt 1 made of a fabric of plastic threads Fig. 2 ) consists in the embodiment shown of an upper fabric layer 10, a middle fabric layer 20 and a lower fabric layer 30. The side facing away from the middle fabric layer 20 of the upper fabric layer 10 forms the corrugated board facing paper side 6 of the fabric belt 1. The middle fabric layer 20 side facing away The lower fabric layer 30 forms the drive drum 62 facing drive side 7 of the fabric belt. 1

In den Gewebelagen 10, 20, 30 verlaufen die SchussfƤden 4 quer zur LƤngsrichtung 5 (Figuren 3 und 4). Dabei sind in der oberen Gewebelage 10 vier gegeneinander versetzt verlaufende KettfƤden 11, 12, 13, 14 (Fig. 2) vorgesehen, die sowohl nach innen zur mittleren Gewebelage 20 hin als auch nach auƟen zur Papierseite 6 hin Ć¼ber jeweils mindestens zwei SchussfƤden 4 laufen. Die untere Gewebelage 30 besteht aus vier jeweils versetzt zueinander laufenden KettfƤden 31, 32, 33, 34, die nach innen - zur mittleren Gewebelage 20 - Ć¼ber nur einen Schussfaden 4 und nach auƟen - zur Antriebsseite 7 hin - Ć¼ber zumindest drei SchussfƤden 4 laufen (Figuren 2 und 3).In the fabric layers 10, 20, 30, the weft threads 4 extend transversely to the longitudinal direction 5 (FIG. Figures 3 and 4 ). In this case, four mutually offset warp threads 11, 12, 13, 14 are in the upper fabric layer 10 ( Fig. 2 ), which run both inward toward the middle fabric layer 20 and outwardly toward the paper side 6 via at least two weft threads 4 in each case. The lower fabric layer 30 consists of four each mutually offset warp yarns 31, 32, 33, 34, the inward - the middle fabric layer 20 - over only a weft 4 and to the outside - to the drive side 7 through - over at least three weft threads 4 run ( FIGS. 2 and 3 ).

Die mittlere Gewebelage 20 weist zwei zueinander versetzt verlaufende KettfƤden 21 und 22 auf, die Ć¼ber jeweils zwei SchussfƤden 4 laufen.The middle fabric layer 20 has two mutually offset warp threads 21 and 22, which run over two weft threads 4.

Die drei Gewebelagen 10, 20, 30 sind Ć¼ber BindefƤden 40, 41, 42, 43 miteinander verwebt. Die BindefƤden sind in jeweils zwei Fadengruppen unterteilt, wobei die eine Fadengruppe bildenden BindefƤden 42, 43 zueinander versetzt laufen und die obere Gewebelage 10 an die mittlere Gewebelage 20 binden. Die BindefƤden 42 und 43 sind jeweils abwechselnd Ć¼ber einen Schussfaden 4 in der oberen Gewebelage 10 und einen Schussfaden 4 in der mittleren Gewebelage 20 gefĆ¼hrt. In entsprechender Weise bindet die aus den BindefƤden 40 und 41 gebildete Fadengruppe die untere Gewebelage 30 an die mittlere Gewebelage 20 an.The three fabric layers 10, 20, 30 are woven together via binding threads 40, 41, 42, 43. The binding threads are subdivided into two groups of threads, wherein the binding threads 42, 43 forming a thread group run offset to one another and bind the upper fabric layer 10 to the middle fabric layer 20. The binding threads 42 and 43 are each guided alternately via a weft thread 4 in the upper fabric layer 10 and a weft thread 4 in the middle fabric layer 20. In a corresponding manner, the group of threads formed from the binding threads 40 and 41 binds the lower fabric layer 30 to the middle fabric layer 20.

Anstelle des im AusfĆ¼hrungsbeispiel gezeigten dreilagigen Gewebegurts 1 kann auch ein zweilagiger oder einlagiger Gewebegurt als Obergurt 1 bzw. Untergurt 1a in der Wellpappenmaschine 60 nach Fig. 1 eingesetzt werden.Instead of the three-ply fabric belt 1 shown in the exemplary embodiment, a two-ply or one-ply fabric belt can also be used as upper belt 1 or lower belt 1a in the corrugator 60 Fig. 1 be used.

In einer einfachen Ausgestaltung der Erfindung ist zur Senkung des Reibwertes auf der Antriebsseite 7 eine Beschichtung 9 vorgesehen, die einen geringeren Reibwert hat als das die Antriebsseite 7 bildende Gewebematerial. Dabei kann die Beschichtung ein gleitfreudiger Kunststoff, insbesondere ein vollfluoriertes Polymer sein, z. B. ein Polytetrafluorethylen, das als Teflon im Markt angeboten ist. Insbesondere ist das Material ein im Betrieb schmierendes Material, so dass sich die Beschichtung im Betrieb ganzflƤchig auf der Antriebsseite 7 verteilt, auch wenn die Beschichtung 9 nur partiell auf der Antriebsseite 7 aufgebracht ist. So kann die Beschichtung 9 als aufgespritztes oder aufgeklebtes Gitternetzwerk oder dgl. auf der Antriebsseite 7 aufgebracht sein, um dann im Betrieb zu schmieren und die gesamte Antriebsseite 7 zu bedecken.In a simple embodiment of the invention, a coating 9 is provided to reduce the coefficient of friction on the drive side 7, which has a lower coefficient of friction than the drive side 7 forming fabric material. The coating may be a slippery plastic, in particular a fully fluorinated polymer, z. B. a polytetrafluoroethylene, which is offered as Teflon in the market. In particular, the material is a lubricating in operation material, so that the coating is distributed over the entire surface of the drive side 7 during operation, even if the coating 9 is only partially applied to the drive side 7. Thus, the coating 9 can be applied as a sprayed or glued grid network or the like. On the drive side 7, to then lubricate in operation and to cover the entire drive side 7.

In einem weiteren AusfĆ¼hrungsbeispiel der Erfindung ist das reibwertreduzierende Material auf zumindest einigen der FƤden der Antriebsseite 7 aufgebracht, vorzugsweise auf den KettfƤden 31a, 32a (Fig. 3) bzw. 31a, 32a, 33a, 34a (Fig. 4). Ein Schnitt durch einen derartigen Kettfaden 31a ist in Fig. 5 dargestellt. Die Beschichtung 9a aus dem reibwertvermindernden Material kann den Kettfaden 31a teilweise, vorzugsweise vollstƤndig umhĆ¼llen.In a further embodiment of the invention, the friction-reducing material is applied to at least some of the threads of the drive side 7, preferably on the warp threads 31a, 32a (FIG. Fig. 3 ) or 31a, 32a, 33a, 34a ( Fig. 4 ). A section through such a warp thread 31a is shown in FIG Fig. 5 shown. The coating 9a of the Reibwertvermindernden material may partially, preferably completely envelop the warp thread 31a.

Sofern das reibwertvermindernde, schmierende Material zu einem Faden verarbeitet werden kann, sind zweckmƤƟig einige der KettfƤden 31a, 32a, 33a, 34a vollstƤndig aus diesem Material gefertigt und in der Antriebsseite 7 eingewebt.If the reibwertvermindernde, lubricating material can be processed into a thread, some of the warp threads 31a, 32a, 33a, 34a are suitably made entirely of this material and woven into the drive side 7.

In einem weiteren AusfĆ¼hrungsbeispiel der Erfindung werden verzwirnte FƤden 80 als KettfƤden 31a, 32a, 33a, 34a auf der Antriebsseite 7 vorgesehen. Derartige verzwirnte FƤden 80 bestehen aus EinzelfƤden 83 aus einem unverƤnderten Fadenmaterial wie Polyester oder dgl., und ein anderer Teil der FƤden besteht aus dem Material mit geringerem Reibwert wie z. B. Polytetrafluorethylen. Derartige verzwirnte FƤden 80 werden als KettfƤden auf der Antriebsseite 7 eingesetzt, wobei die aus dem reibwertvermindernden Material bestehenden FƤden 81 schmieren und so Ć¼ber eine lange Betriebszeit eine gute Schmierung der Antriebsseite 7 mit dem reibwertvermindernden Material gewƤhrleisten. Der Gleitwiderstand zwischen dem Pressschuh 75 und der Antriebsseite 7 des Gewebegurtes 1 ist Ć¼ber eine lange Betriebsdauer gering.In a further embodiment of the invention, twisted threads 80 are provided as warp threads 31a, 32a, 33a, 34a on the drive side 7. Such twisted yarns 80 consist of monofilaments 83 of an unchanged thread material such as polyester or the like., And another part of the threads consists of the material with a lower coefficient of friction such. B. polytetrafluoroethylene. Such twisted threads 80 are used as warp threads on the drive side 7, wherein the existing of the reibwertvermindernden material filaments 81 lubricate and ensure over a long period of operation good lubrication of the drive side 7 with the reibwertvermindernden material. The sliding resistance between the press shoe 75 and the drive side 7 of the fabric belt 1 is low over a long period of operation.

Wie in Fig. 4 dargestellt, weisen im Wesentlichen alle KettfƤden 31a, 32a, 33a, 34a in einem zwischen den LƤngsrƤndern 2 liegenden mittleren Bereich 3 des Gewebegurtes 1 reibwertverminderndes Material auf. Dieses reibwertvermindernde Material hat einen geringeren Reibungskoeffizienten als das Material, aus denen die anderen GewebefƤden - z. B. die SchussfƤden 4 - bestehen.As in Fig. 4 3, substantially all of the warp threads 31a, 32a, 33a, 34a have friction-reducing material in a middle region 3 of the fabric belt 1 located between the longitudinal edges 2. This Reibwertvermindernde material has a lower coefficient of friction than the material from which the other fabric threads -. B. the weft threads 4 - exist.

Claims (9)

  1. Belt for a corrugated cardboard machine for manufacturing corrugated board (50), wherein at least one middle layer (52) of corrugated material and a covering outer layer (51, 53) of smooth material are joined together under pressure and adhesive, wherein the belt (1) consists of a fabric of warp fibres and weft fibres (4), and has a paper side (6) facing the corrugated board to be manufactured, which paper side abuts the corrugated board (50), and a drive side (7) facing away from the corrugated board (50), with a pressure zone (70) of the corrugated board machine (60) formed between a pressure element (71) and a counter surface (73), wherein the corrugated board (50) passes together with the abutting fabric belt (1) in the longitudinal direction (5) of the belt (1) between the pressure element (71) and the counter support (73) in the transport direction (8), and with a drive device (61) of the corrugated board machine (60) arranged on the drive side (7) of the belt (1) for applying the tension forces acting in said longitudinal direction (5) of the belt (1), wherein a material for reducing the friction coefficient of the belt side forming the drive side (7) is arranged on the drive side (7) of the fabric belt (1),
    characterised in that the material is formed as a coating (9) on the drive side (7) of the belt (1) and the material is a material lubricating during operation.
  2. Belt according to claim 1,
    characterised in that the material is applied to the drive side (7) of the belt (1) as a coating over the whole surface.
  3. Belt according to claim 1,
    characterised in that the material is applied to at least some of said fibers of the drive side (7), preferably to the warp fibres (31a, 32a, 33a, 34a).
  4. Belt according to claim 1,
    characterised in that at least some of the fibres, preferably some of the warp fibres (31a, 32a) of the drive side (7) consist of the material.
  5. Belt according to claim 1,
    characterised in that at least some of the fibres of the drive side (7), preferably the warp fibres (31 a, 32a) consist of twisted fibres (80), wherein a part of the fibres consists of unchanged fibre material such as polyester and another part of the fibres (81) of the material with a lower friction coefficient as for example polytetrafluoroethylene.
  6. Belt according to one of claims 3 to 5,
    characterised in that essentially all warp fibres of a region (3) of the drive side (7) lying between the longitudinal edges (2) of the belt (1) have the friction coefficient-reducing material.
  7. Belt according to one of claims 1 to 6,
    characterised in that the material has a lower friction coefficient than the material of the other fabric fibres.
  8. Belt according to one of claims 1 to 7,
    characterised in that the material is a slide-friendly plastics as a particularly fully fluorinated polymer.
  9. Belt according to claim 8,
    characterised in that the material is polytetrafluoroethylene.
EP20070021154 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient Active EP2055830B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PT07021154T PT2055830E (en) 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient
PL07021154T PL2055830T3 (en) 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient
AT07021154T ATE512250T1 (en) 2007-10-30 2007-10-30 BELT FOR A CORRUGATOR MACHINE WITH REDUCED FRICTION DRIVE SIDE
EP20070021154 EP2055830B1 (en) 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient
ES07021154T ES2367848T3 (en) 2007-10-30 2007-10-30 TAPE FOR A CORRUGATED CARDBOARD CONFECTION MACHINE WHOSE OPERATING FACE PRESENTS A REDUCED FRAZING COEFFICIENT.
DK07021154T DK2055830T3 (en) 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a friction-reduced drive side
US12/289,488 US8079394B2 (en) 2007-10-30 2008-10-29 Belt for a corrugator machine having a friction coefficient reduced driven side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20070021154 EP2055830B1 (en) 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient

Publications (2)

Publication Number Publication Date
EP2055830A1 EP2055830A1 (en) 2009-05-06
EP2055830B1 true EP2055830B1 (en) 2011-06-08

Family

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EP20070021154 Active EP2055830B1 (en) 2007-10-30 2007-10-30 Belt for a corrugated cardboard machine with a drive end with reduced friction coefficient

Country Status (7)

Country Link
US (1) US8079394B2 (en)
EP (1) EP2055830B1 (en)
AT (1) ATE512250T1 (en)
DK (1) DK2055830T3 (en)
ES (1) ES2367848T3 (en)
PL (1) PL2055830T3 (en)
PT (1) PT2055830E (en)

Families Citing this family (1)

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CN102328459B (en) * 2011-07-29 2013-11-06 大čæžä½³ęž—č®¾å¤‡åˆ¶é€ ęœ‰é™å…¬åø Belt paper shell pressing machine

Family Cites Families (6)

* Cited by examiner, ā€  Cited by third party
Publication number Priority date Publication date Assignee Title
DE9414344U1 (en) * 1994-09-03 1994-10-20 MĆ¼hlen Sohn GmbH & Co., 89134 Blaustein Woven belt for a corrugated cardboard machine
DE19746848A1 (en) * 1997-10-23 1999-04-29 Muehlen Sohn Gmbh & Co Continuous woven blanket for corrugated cardboard manufacture
US6276420B1 (en) * 1998-04-17 2001-08-21 Albany International Corp. Coated corrugator belt
WO2002086232A1 (en) * 2001-04-24 2002-10-31 MĆ¼hlen Sohn GmbH & Co. Woven belt for a paper machine
WO2002086231A1 (en) * 2001-04-24 2002-10-31 MĆ¼hlen Sohn GmbH & Co. Material belt for a paper machine
US7722742B2 (en) * 2006-12-06 2010-05-25 Voith Patent Gmbh Corrugator belt

Also Published As

Publication number Publication date
PT2055830E (en) 2011-09-06
US20090107637A1 (en) 2009-04-30
ATE512250T1 (en) 2011-06-15
PL2055830T3 (en) 2011-11-30
DK2055830T3 (en) 2011-09-12
ES2367848T3 (en) 2011-11-10
EP2055830A1 (en) 2009-05-06
US8079394B2 (en) 2011-12-20

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