EP0236905B1 - Apparatus for applying a surface impression to progressing work pieces - Google Patents

Apparatus for applying a surface impression to progressing work pieces Download PDF

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Publication number
EP0236905B1
EP0236905B1 EP87102941A EP87102941A EP0236905B1 EP 0236905 B1 EP0236905 B1 EP 0236905B1 EP 87102941 A EP87102941 A EP 87102941A EP 87102941 A EP87102941 A EP 87102941A EP 0236905 B1 EP0236905 B1 EP 0236905B1
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EP
European Patent Office
Prior art keywords
rollers
axle bar
roller
pressure plate
springs
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
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EP87102941A
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German (de)
French (fr)
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EP0236905A3 (en
EP0236905A2 (en
Inventor
Raoul De Brock
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Theodor Hymmen KG
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Theodor Hymmen KG
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Priority to AT87102941T priority Critical patent/ATE62178T1/en
Publication of EP0236905A2 publication Critical patent/EP0236905A2/en
Publication of EP0236905A3 publication Critical patent/EP0236905A3/en
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Publication of EP0236905B1 publication Critical patent/EP0236905B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
    • B30B5/065—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band using anti-friction means for the pressing band
    • B30B5/067—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band using anti-friction means for the pressing band using anti-friction roller means

Definitions

  • the invention relates to a device for applying surface pressure to progressive workpieces, such as wood-based panels, rubber, plastic sheets or the like, in which at least one circumferential press belt can be pressed against the workpiece and the working pressure can be applied to the working belt of the press belt by means of a pressure plate, and in the area of the pressure plate spaced from each other, in frictional connection with the pressure plate and the associated work of the press belt, extending over the entire width of the press belt rolling elements are provided, which are transported back on a closed path from the discharge of the pressure plate to the insertion of the pressure plate and the rolling elements are designed as a row of rolls lying in the axial direction and assembled into a structural unit, in which the rolls enclose an axle rod with an annular gap, are aligned with one another in the starting position and d he or the neighboring roles are rotatably mounted.
  • a double belt press of this type is known (GB-A-754 935), in which the rollers are combined to form a roller chain.
  • Each two spaced rollers are rotatably mounted on a support rod.
  • Link plates are arranged between the rollers and on the outside of the support rods.
  • high tension peaks occur at the front edges, which are reinforced by shifting the rollers by half a roller diameter.
  • rollers rotatably mounted on a support rod are at a distance from one another which is determined by a roller width and the width of two link plates. In the area of these link plates, no pressure is transmitted from the pressure plate via the roller chain to the press belt, so that this has a disadvantageous effect on the material web.
  • the rollers are rotatably mounted on the support rod with the usual bearing play.
  • a double belt press is also known (DE-A-31 17 778), in which roller bars are provided as rolling elements between the pressure plates and the press belts. These roller bars extend across the entire machine width, which can be two to three meters, and have a diameter of 14 to 16 mm.
  • Such an unfavorable length / diameter ratio leads to a high torsional stress on the individual roller bars or to a slippage of the roller bars between the press belt, which is generally made of sheet steel, and the pressure plate and thus to premature wear.
  • the diameter differences in the roller bar, or the like due to manufacturing tolerances, manufacturing inaccuracies, due to different thermal expansions. can arise, result in that when rolling a certain path in the pressing area different locations of the roller bars have different angular velocities, so that due to their diameter tolerances over their length, the roller bars are set to different torsional stresses.
  • the invention has for its object to design a device of the type mentioned so that existing across the length of the rolling elements different diameter tolerances and occurring at the various locations of the pressure plates and the press belts in cooperation with the rolling elements not disadvantageous to the life and affect the correct operation of the rolling elements and the desired operating temperature of the press belt can be reached for a short time.
  • devices for checking the rotation of the sleeves can be assigned to the roller strands.
  • the rotation control can be mechanical or electromechanical Ways to be effected. Blocking of a sleeve can be indicated at an end point of the axle rod and / or on the control panel or can be used to actuate an emergency stop.
  • the blocking of a sleeve can be attributed to a permanent deformation of the sleeve, which is caused by a foreign body that has entered the workpiece, for example by a screw, which acts on the sleeve via the press belt and deforms it beyond the elastic range.
  • the double belt press shown in FIGS. 1 and 2 has endless press belts 1, which can be made from sheet steel and are guided over deflection rollers 2.
  • the deflection rollers 2 are rotatably mounted in a press frame in which an upper and a lower pressure plate 3 are also arranged.
  • roller strands 4 are provided at a distance from one another, via which the pressing forces generated by the printing plates 3 are transmitted to the working strand of the pressing belt 1.
  • Workpieces 5 are guided through the double belt press between the working strands of the press belts 1 and subjected to a surface pressure.
  • roller strands 4 which can be connected to one another by a flexible means without a connection to one another or at the ends, are guided in the press frame on closed tracks 6, which are indicated by dash-dotted lines in FIG. 2. The roller strands 4 are thus returned from the discharge end 7 to the introducer 8 of the printing plates 3.
  • the roller train consists of rollers 9 and cylindrical end pieces 10.
  • the rollers 9 are rotatable with one another and with the cylindrical end pieces 10 and are therefore positively connected to one another in such a way that the rollers have a pin 11 in the center on one end face, which engages in a central recess 12 of the end face of the adjacent rollers.
  • the end pieces 10 also have a central recess 12 or a pin 11 on the inner end face, so that the end pieces 10 are positively connected to one another in the same way as the rollers with the respectively adjacent roller.
  • the end pieces can be provided with a push-through hole 13 for a steel cable or a steel strand, through which the roller strands can be connected to one another.
  • the steel cable or the steel strand forms a flexible connecting means for the individual roller strands.
  • the roller train is formed by hollow cylinders 14 which lie flush with one another with their end faces, correspond in their outer diameter and are rotatably mounted on an axle rod 15 with little play.
  • This axle rod 15 is biased and equipped at the ends with a package of disc springs 16, which is supported on the outer end face of the outer roller.
  • the end faces of the hollow cylinders 14 are pressed together non-positively by the prestressing of the axle rod 15 and by the attachment of the plate spring assemblies to the rod ends.
  • the frictional connection between the individual rollers of a roller strand can also be achieved by other springs e.g. can be achieved by spiral springs or hydropneumatic springs.
  • the rollers are designed as sleeves 17 with a small casing thickness and are rotatably mounted on an axle rod 18 with a relatively large annular gap.
  • the annular gap between the sleeves 17 and the axle rod 18 is designed so that the sleeves are elastically deformable until they rest against the axle rod 18. This results in a series of elastic intermediate members between the rigid pressure plates 3 and the press belts 1, which can have a compensating effect over the entire length of the roller strands and over individual areas of each roller strand.
  • the axle rod 19 is oval in cross section, as shown in FIG. 8.
  • the sleeve 17 can be elastically deformed until it rests on the associated boundary surface of the axle rod 19.
  • axle rod 20 in a triangular shape or to give it another geometric shape, e.g. a cuboid shape to give from the point of view that it limits the deformability of the sleeve after an elastic deformation of the sleeve surrounding it and thus the spring characteristic of the roller strand is changed.
  • axle rod as a tube, that as a round tube, as an oval tube 21, as shown in FIG. 10, or as a triangular tube or as a tube with a different cross section, for example a cuboid shape. can be trained.
  • a wire, a stranded wire, a rope or another flexible means can also be used as the axis rod.
  • the end edges of the rollers are designed such that they form an angle with the axis of rotation 22 which is a little less than 90 °. This angle can range from 85 to 89 °.
  • the rolls of a roller train are designed as sleeves and the sleeves are assigned a resilient abutment at the ends of the axle rod or are arranged to be movable in the axial direction
  • the sleeves have mobility in the vertical direction _ in their elastic range _ and in the axial direction, so that they not only absorb vertical loads resiliently, but also movements in the axial direction can be carried out in the transverse direction under the influence of thermal expansion of the press belts.
  • roller strands 4 shown in FIGS. 12 and 13 are connected to one another approximately in their respective central region by tabs 27 which are articulated to one another.
  • a plurality of tabs 27 in the form of a multi-link chain can each connect two roller strands 4 so that a deflection radius, when the roller strands 4 are transported back from the discharge end of the printing plate to its insertion, can advantageously be kept small.
  • roller strands 4 The attachment of the roller strands 4 to each other in the middle area prevents different wear of the hollow cylinders 14 from occurring due to different loads, which can lead to difficulties in transporting the roller strands 4, in particular in the back run, as can occur with the roller strands 4 being stored on both sides.
  • FIG. 14 Another rolling element according to the invention is shown in FIG. 14.
  • the rolling element is likewise designed as a roller train 4 which has a row of hollow cylinders 23 and is combined to form a structural unit.
  • springs 25 are arranged, each of which is supported on the opposite end faces of two hollow cylinders 23.
  • the springs 25, which in the present exemplary embodiment are designed as plate springs, ensure that the hollow cylinders 23 are cushioned in the axial direction, so that the addition of compressive stresses is prevented.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Press Drives And Press Lines (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Refrigerator Housings (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Coating Apparatus (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Soil Working Implements (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

A conveyor press for applying a surface pressure to moving workpieces, such as wooden planks, rubber and plastic webs and the like, has at least one pressing band arranged to be pressed against a workpiece. A pressure plate applies a working pressure to an operating portion of the pressing band; a plurality of rolling bodies is arranged in the region of the pressure plate in frictional contact with the pressure plate and the pressing band and may be returned from an outlet end to an inlet end of the pressure plate. The rolling bodies are formed as roller assemblies; each includes a row of rollers assembled in a unit. The rollers are located in alignment with one another in a final position and are rotatable relative to one another.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Aufbringen einer Flächenpressung auf fortschreitende Werkstücke, wie Holzwerkstoffplatten, Gummi-, Kunststoffbahnen oder dgl., bei der mindestens ein umlaufendes Preßband an das Werkstück anpreßbar und der Arbeitsdruck auf das Arbeitstrum des Preßbandes mittels einer Druckplatte aufbringbar ist und im Bereich der Druckplatte in Abstand voneinander angeordnete, mit der Druckplatte und dem zugeordneten Arbeitstrum des Preßbandes in Reibverbindung stehende, sich über die gesamte Breite des Preßbandes erstreckende Wälzkörper vorgesehen sind, die auf einer geschlossenen Bahn vom austragende der Druckplatte zum Einführende der Druckplatte zurücktransportiert werden und die Wälzkörper als ein eine Reihe in Achsrichtung liegender Rollen aufweisender, zu einer Baueinheit zusammengesetzter Rollenstrang ausgebildet, in dem die Rollen mit einem Ringspalt einen Achsstab umschließen, in der Ausgangslage miteinander fluchten und zu der oder den benachbarten Rollen drehbar gelagert sind.The invention relates to a device for applying surface pressure to progressive workpieces, such as wood-based panels, rubber, plastic sheets or the like, in which at least one circumferential press belt can be pressed against the workpiece and the working pressure can be applied to the working belt of the press belt by means of a pressure plate, and in the area of the pressure plate spaced from each other, in frictional connection with the pressure plate and the associated work of the press belt, extending over the entire width of the press belt rolling elements are provided, which are transported back on a closed path from the discharge of the pressure plate to the insertion of the pressure plate and the rolling elements are designed as a row of rolls lying in the axial direction and assembled into a structural unit, in which the rolls enclose an axle rod with an annular gap, are aligned with one another in the starting position and d he or the neighboring roles are rotatably mounted.

Es ist eine Doppelbandpresse dieser Art bekannt (GB-A-754 935), bei der die Rollen zu einer Rollenkette zusammengefaßt sind. Jeweils zwei in Abstand voneinander angeordnete Rollen sind auf einem Tragstab drehbar gelagert. Zwischen den Rollen und an den Außenseiten der Tragstäbe sind Kettenlaschen angeordnet. Bei den in dieser Weise vereinzelten Rollen entstehen an den Stirnkanten hohe Spannungsspitzen, die noch durch das Versetzen der Rollen um jeweils einen halben Rollendurchmesser verstärkt werden.A double belt press of this type is known (GB-A-754 935), in which the rollers are combined to form a roller chain. Each two spaced rollers are rotatably mounted on a support rod. Link plates are arranged between the rollers and on the outside of the support rods. In the case of the individualized rollers, high tension peaks occur at the front edges, which are reinforced by shifting the rollers by half a roller diameter.

Die auf einem Tragstab drehbar gelagerten Rollen haben einen Abstand voneinander, der durch eine Rollenbreite und der Breite zweier Kettenlaschen bestimmt wird. Im Bereich dieser Kettenlaschen wird kein Druck von der Druckplatte über die Rollenkette auf das Preßband übertragen, so daß sich dies nachteilig auf die Werkstoffbahn auswirkt.The rollers rotatably mounted on a support rod are at a distance from one another which is determined by a roller width and the width of two link plates. In the area of these link plates, no pressure is transmitted from the pressure plate via the roller chain to the press belt, so that this has a disadvantageous effect on the material web.

Die Rollen sind auf dem Tragstab mit dem üblichen Lagerspiel drehbar gelagert.The rollers are rotatably mounted on the support rod with the usual bearing play.

Es ist ferner eine Doppelbandpresse bekannt (DE-A-31 17 778), bei der als Wälzkörper zwischen den Druckplatten und den Preßbändern Rollstangen vorgesehen werden. Diese Rollstangen erstrecken sich über die gesamte Maschinenbreite, die zwei bis drei Meter betragen kann und weisen einen Durchmesser von 14 bis 16 mm auf. Ein derart ungünstiges Längen/Durchmesser-Verhältnis führt zu einer starken Torsionsbeanspruchung der einzelnen Rollstangen oder zu einem Schlupf der Rollstangen zwischen dem im allgemeinen aus einem Stahlblech hergestellten Preßband und der Druckplatte und damit zum vorzeitigen Verschleiß. Die Durchmesserunterschiede in der Rollstange, die aufgrund von Fertigungstoleranzen, Fertigungsungenauigkeiten, durch unterschiedliche Wärmedehnungen od.dgl. entstehen können, ergeben, daß beim Durchrollen eines bestimmten Weges im Preßbereich unterschiedliche Stellen der Rollstangen unterschiedliche Winkelgeschwindigkeiten aufweisen, so daß die Rollstangen bedingt durch ihre Durchmessertoleranzen über ihre Länge verteilt unterschiedlichen Torsionsspannungen aus gesetzt werden.A double belt press is also known (DE-A-31 17 778), in which roller bars are provided as rolling elements between the pressure plates and the press belts. These roller bars extend across the entire machine width, which can be two to three meters, and have a diameter of 14 to 16 mm. Such an unfavorable length / diameter ratio leads to a high torsional stress on the individual roller bars or to a slippage of the roller bars between the press belt, which is generally made of sheet steel, and the pressure plate and thus to premature wear. The diameter differences in the roller bar, or the like due to manufacturing tolerances, manufacturing inaccuracies, due to different thermal expansions. can arise, result in that when rolling a certain path in the pressing area different locations of the roller bars have different angular velocities, so that due to their diameter tolerances over their length, the roller bars are set to different torsional stresses.

Um zu vermeiden, daß eine solche Rollstange bedingt durch diese Torsionsspannungen bricht, ist es bekannt, mit kleinen Durchmessertoleranzen zu arbeiten, die vorzugsweise unter 10 µ liegen sollen. Die Herstellung von über 2 m langen Rollstangen mit einem Durchmesser von 14 bis 16 mm, deren Durchmessertoleranzen unter 10 µ liegen, ist sehr schwierig und teuer. Die starke Torsion der Rollstangen wird auch bei verhältnismäßig kleinen Fertigungstoleranzen nicht vermieden.In order to prevent such a roller rod from breaking due to these torsional stresses, it is known to work with small diameter tolerances, which should preferably be less than 10 μ. The production of over 2 m long roller bars with a diameter of 14 to 16 mm, whose diameter tolerances are less than 10 µ, is very difficult and expensive. The strong torsion of the roller bars is not avoided even with relatively small manufacturing tolerances.

Es treten nicht nur Durchmessertoleranzen innerhalb der einzelnen Rollstange über ihre gesamte Länge auf, sondern auch weitere störende Maßabweichungen von Rollstange zu Rollstange, die insgesamt zu vielen Schwierigkeiten führen.There are not only diameter tolerances within the individual roller bar over its entire length, but also other disturbing dimensional deviations from roller bar to roller bar, which lead to many difficulties overall.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art so zu gestalten, daß über die Länge der Wälzkörper vorhandene unterschiedliche Durchmessertoleranzen und an den verschiedenen Stellen der Druckplatten und der Preßbänder im Zusammenwirken mit den Wälzkörpern auftretende unterschiedliche Reibungsverhältnisse sich nicht nachteilig auf die Lebensdauer und den einwandfreien Betrieb der Wälzkörper auswirken und die angestrebte Betriebstemperatur des Preßbandes kurzzeitig erreicht werden kann.The invention has for its object to design a device of the type mentioned so that existing across the length of the rolling elements different diameter tolerances and occurring at the various locations of the pressure plates and the press belts in cooperation with the rolling elements not disadvantageous to the life and affect the correct operation of the rolling elements and the desired operating temperature of the press belt can be reached for a short time.

Diese Aufgabe wird durch die Merkmale des kennzeichnenden Teils zusammen mit den Merkmalen des Oberbegriffs des Patentanspruches 1 gelöst.This object is achieved by the features of the characterizing part together with the features of the preamble of claim 1.

Durch den das Lagerspiel überschreitenden großen Ringspalt zwischen den Rollen und dem zugeordneten Achsstab und durch die elastische Verformbarkeit der Rollen bis zur Anlage am Achsstab ergeben sich zwischen den starren Druckplatten und den Preßbändern der Presse elastische Zwischenglieder, die über die gesamte Länge der Rollenstränge und über Einzelbereiche eines jeden Rollenstranges ausgleichend wirken können. Durch das große vertikale Spiel zwischen den Rollen und dem Achsstab wird der weitere Vorteil erzielt, daß die angestrebte Betriebstemperatur des Preßbandes bei einer Aufheizung bzw. Abkühlung der Kühlung der Druckplatte kurzzeitig erreicht werden kann, da aufgrund der isolierenden Wirkung der Luft im Ringspalt zwischen der Rolle und dem Achsstab der Achsstab von dem Wärme- oder Kältestrom nur in geringem Maße beaufschlagt wirdDue to the large annular gap between the rollers and the associated axle rod, which exceeds the bearing clearance, and due to the elastic deformability of the rollers until they rest against the axle rod, there are elastic intermediate members between the rigid pressure plates and the press belts of the press, which extend over the entire length of the roller strands and over individual areas of each roll strand can have a balancing effect. Due to the large vertical play between the rollers and the axle rod, the further advantage is achieved that the desired operating temperature of the press belt can be achieved for a short time when the pressure plate is heated or cooled, since the air has an insulating effect in the annular gap between the roller and the axle rod is only slightly affected by the heat or cold flow

Zur Erhöhung der Sicherheit und der Lebensdauer der Vorrichtung können den Rollensträngen Einrichtungen zur Drehkontrolle der Hülsen zugeordnet werden. Die Drehkontrolle kann auf mechanischem oder elektromechanischem Wege bewirkt werden. Das Blockieren einer Hülse kann an einem Endpunkt des Achsstabes und/ oder am Schaltpult angezeigt werden oder zur Betätigung eines Notausschalters verwendet werden. Das Blockieren einer Hülse kann auf eine bleibende Deformation der Hülse zurückgehen, die durch einen in das Werkstück gelangten Fremdkörper, z.B. durch eine Schraube, hervorgerufen wird, die über das Preßband auf die Hülse wirkt und sie über den Elastizitätsbereich hinaus verformt.To increase the safety and the service life of the device, devices for checking the rotation of the sleeves can be assigned to the roller strands. The rotation control can be mechanical or electromechanical Ways to be effected. Blocking of a sleeve can be indicated at an end point of the axle rod and / or on the control panel or can be used to actuate an emergency stop. The blocking of a sleeve can be attributed to a permanent deformation of the sleeve, which is caused by a foreign body that has entered the workpiece, for example by a screw, which acts on the sleeve via the press belt and deforms it beyond the elastic range.

Weitere Merkmale der Erfindung ergeben sich aus den Unteransprüchen. Vorteilhafte Ausführungsformen sind in den Zeichnungen dargestellt und werden im folgenden beschrieben.Further features of the invention emerge from the subclaims. Advantageous embodiments are shown in the drawings and are described below.

Es zeigen:

  • Fig. 1 den Bereich I einer Doppelbandpresse nach Fig. 2 in vergrößertem Maßstab,
  • Fig. 2 die Doppelbandpresse im Vertikalschnitt und in schematischer Darstellung,
  • Fig. 3 ein Ausführungsbeispiel mit einem Rollenstrang, in dem die einzelnen Rollen formschlüssig und drehbar miteinander verbunden sind,
  • Fig. 4 ein weiteres Ausführungsbeispiel für einen Rollenstrang im Vertikalschnitt,
  • Fig. 5 einen Schnitt nach der Linie V-V in Fig. 4,
  • Fig. 6 eine weitere Ausführungsform eines Rollenstranges im Vertikalschnitt,
  • Fig. 7 einen Schnitt nach der Linie VII-VII in Fig. 6,
  • Fig. 8, 9 und 10 weitere Konstruktionen eines Rollenstranges im Querschnitt,
  • Fig. 11 eine als Hohlzylinder ausgebildete Rolle im Längsschnitt,
  • Fig. 12 ein Ausführungsbeispiel der Anordnung und Festlegung von Rollenträngen,
  • Fig. 13 einen Querschnitt durch die Anordnung der Rollenstränge gemäß dem Schnitt XIII-XIII in Fig. 12,
  • Fig. 14 einen Vertikalschnitt durch einen weiteren Rollenstrang der Erfindung.
Show it:
  • 1 shows the area I of a double belt press according to FIG. 2 on an enlarged scale,
  • 2 the double belt press in vertical section and in a schematic representation,
  • 3 shows an exemplary embodiment with a roller train in which the individual rollers are connected to one another in a form-fitting and rotatable manner,
  • 4 shows a further exemplary embodiment of a roller strand in vertical section,
  • 5 shows a section along the line VV in Fig. 4,
  • 6 shows a further embodiment of a roller strand in vertical section,
  • 7 shows a section along the line VII-VII in FIG. 6,
  • 8, 9 and 10 further constructions of a roller strand in cross section,
  • 11 is a roll designed as a hollow cylinder in longitudinal section,
  • 12 shows an exemplary embodiment of the arrangement and fixing of roll strands,
  • 13 shows a cross section through the arrangement of the roller strands according to section XIII-XIII in FIG. 12,
  • 14 shows a vertical section through a further roller strand of the invention.

Die in den Fig. 1 und 2 aufgezeigte Doppelbandpresse weist endlose Preßbänder 1 auf, die aus Stahlblechen gefertigt werden können und über Umlenkwalzen 2 geführt werden. Die Umlenkwalzen 2 sind in einem Pressengestell drehbar gelagert, in dem auch eine obere und eine untere Druckplatte 3 angeordnet ist.The double belt press shown in FIGS. 1 and 2 has endless press belts 1, which can be made from sheet steel and are guided over deflection rollers 2. The deflection rollers 2 are rotatably mounted in a press frame in which an upper and a lower pressure plate 3 are also arranged.

Zwischen den Druckplatten und dem zugeordneten Arbeitstrum der Preßbänder 1 sind in Abstand voneinander Rollenstränge 4 vorgesehen, über die die von den Druckplatten 3 erzeugten Preßkräfte auf das Arbeitstrum des Preßbandes 1 übertragen werden. Zwischen den Arbeitstrumen der Preßbänder 1 werden Werkstücke 5 durch die Doppelbandpresse geführt und mit einer Flächenpressung beaufschlagt.Between the printing plates and the associated working strand of the press belts 1, roller strands 4 are provided at a distance from one another, via which the pressing forces generated by the printing plates 3 are transmitted to the working strand of the pressing belt 1. Workpieces 5 are guided through the double belt press between the working strands of the press belts 1 and subjected to a surface pressure.

Die Rollenstränge 4, die ohne eine Verbindung untereinander oder an den Enden miteinander durch ein flexibles Mittel verbunden sein können, werden in dem Pressengestell auf geschlossenen Bahnen 6 geführt, die in der Fig. 2 strichpunktiert angedeutet sind. Die Rollenstränge 4 werden somit von dem Austragende 7 zu dem Einführende 8 der Druckplatten 3 zurückgeführt.The roller strands 4, which can be connected to one another by a flexible means without a connection to one another or at the ends, are guided in the press frame on closed tracks 6, which are indicated by dash-dotted lines in FIG. 2. The roller strands 4 are thus returned from the discharge end 7 to the introducer 8 of the printing plates 3.

Bei dem Ausführungsbeispiel nach der Fig. 3 besteht der Rollenstrang aus Rollen 9 und zylinderförmigen Endstücken 10. Die Rollen 9 sind untereinander und mit den zylinderförmigen Endstücken 10 drehbar und dadurch formschlüssig miteinander verbunden, daß die Rollen an einer Stirnseite mittig einen Zapfen 11 aufweisen, der in eine mittige Ausnehmung 12 der Stirnseite der benachbarten Rollen eingreift.In the embodiment according to FIG. 3, the roller train consists of rollers 9 and cylindrical end pieces 10. The rollers 9 are rotatable with one another and with the cylindrical end pieces 10 and are therefore positively connected to one another in such a way that the rollers have a pin 11 in the center on one end face, which engages in a central recess 12 of the end face of the adjacent rollers.

Auch die Endstücke 10 weisen an der innenliegenden Stirnseite eine mittige Ausnehmung 12 bzw. einen Zapfen 11 auf, so daß die Endstücke 10 in gleicher Weise wie die Rollen untereinander mit der jeweils benachbarten Rolle formschlüssig verbunden sind. Die Endstücke können mit einer Durchsteckbohrung 13 für ein Stahlseil oder eine Stahllitze versehen sein, durch die die Rollenstränge untereinander verbunden werden können. Das Stahlseil oder die Stahllitze bildet ein flexibles Verbindungsmittel für die einzelnen Rollenstränge.The end pieces 10 also have a central recess 12 or a pin 11 on the inner end face, so that the end pieces 10 are positively connected to one another in the same way as the rollers with the respectively adjacent roller. The end pieces can be provided with a push-through hole 13 for a steel cable or a steel strand, through which the roller strands can be connected to one another. The steel cable or the steel strand forms a flexible connecting means for the individual roller strands.

Bei dem Ausführungsbeispiel nach den Fig. 4 und 5 wird der Rollenstrang durch Hohlzylinder 14 gebildet, die bündig mit ihren Stirnseiten aneinanderliegen, in ihrem Außendurchmesser übereinstimmen und mit geringem Spiel auf einem Achsstab 15 drehbar gelagert sind. Dieser Achsstab 15 ist vorgespannt und an den Enden mit einem Paket aus Tellerfedern 16 ausgerüstet, das sich jeweils an der außenliegenden Stirnseite der Außenrolle abstützt. Durch die Vorspannung des Achsstabes 15 und durch die Anbringung der Tellerfederpakete an den Stabenden werden die Stirnflächen der Hohlzylinder 14 kraftschlüssig aneinandergepreßt. Trotz dieses Kroftschlußes besteht jedoch die Möglichkeit, daß die Hohlzylinder sich relativ zu den Nachbarollen drehen.In the exemplary embodiment according to FIGS. 4 and 5, the roller train is formed by hollow cylinders 14 which lie flush with one another with their end faces, correspond in their outer diameter and are rotatably mounted on an axle rod 15 with little play. This axle rod 15 is biased and equipped at the ends with a package of disc springs 16, which is supported on the outer end face of the outer roller. The end faces of the hollow cylinders 14 are pressed together non-positively by the prestressing of the axle rod 15 and by the attachment of the plate spring assemblies to the rod ends. Despite this conclusion, there is the possibility that the hollow cylinder will rotate relative to the adjacent rollers.

Der Kraftschluß zwischen den einzelnen Rollen eines Rollenstranges kann auch durch andere Federn z.B. durch Spiralfedern oder hydropneumatische Federn erreicht werden.The frictional connection between the individual rollers of a roller strand can also be achieved by other springs e.g. can be achieved by spiral springs or hydropneumatic springs.

Es besteht auch die Möglichkeit, auf die Anordnung von Federn an den Enden des Achsstabes zu verzichten und die Rollen lediglich in axialer Richtung auf dem Achsstab beweglich anzuordnen. In diesem Fall werden die Rollen am Einführende der Druckplatte symmetrisch zur Mittellinie des zugeordneten Preßbandes und zur stirnseitigen Anlage zusammengeführt.There is also the possibility of dispensing with the arrangement of springs at the ends of the axle rod and the rollers only in the axial direction Arrange the direction of movement on the axis rod. In this case, the rollers at the insertion of the pressure plate are brought together symmetrically to the center line of the associated press belt and to the front face.

Bei dem konstruktiven Aufbau des Rollenstranges nach den Fig. 6 und 7 sind die Rollen als Hülsen 17 mit geringer Manteldicke ausgeführt und auf einem Achsstab 18 mit einem relativ großen Ringspalt drehbar gelagert. Der Ringspalt zwischen den Hülsen 17 und dem Achsstab 18 ist so ausgelegt, daß die Hülsen bis zur Anlage am Achsstab 18 elastisch verformbar sind. Hierdurch ergibt sich zwischen den starren Druckplatten 3 und den Preßbändern 1 eine Reihe von elastischen Zwischengliedern, die über die gesamte Länge der Rollenstränge und über Einzelbereiche eines jeden Rollenstranges ausgleichend wirken können.6 and 7, the rollers are designed as sleeves 17 with a small casing thickness and are rotatably mounted on an axle rod 18 with a relatively large annular gap. The annular gap between the sleeves 17 and the axle rod 18 is designed so that the sleeves are elastically deformable until they rest against the axle rod 18. This results in a series of elastic intermediate members between the rigid pressure plates 3 and the press belts 1, which can have a compensating effect over the entire length of the roller strands and over individual areas of each roller strand.

Sofern ein großes vertikales Spiel zwischen der Hülse 17 und dem Achsstab angestrebt wird, jedoch in horizontaler Richtung ein relativ enges Führungsspiel vorhanden sein soll, wird der Achsstab 19 im Querschnitt oval ausgebildet, wie dies in der Fig. 8 aufgezeigt ist. Die Hülse 17 kann bis zur Anlage an der zugeordneten Begrenzungsfläche des Achsstabes 19 elastisch verformt werden.If a large vertical play between the sleeve 17 and the axle rod is desired, but a relatively narrow guide play is to be provided in the horizontal direction, the axle rod 19 is oval in cross section, as shown in FIG. 8. The sleeve 17 can be elastically deformed until it rests on the associated boundary surface of the axle rod 19.

Es besteht auch die Möglichkeit, wie dies in der Fig. 9 aufgezeigt ist, den Achsstab 20 dreieckförmig auszubilden oder ihm eine andere geometrische Form, z.B. eine quaderförmige Form, unter dem Gesichtspunkt zu geben, daß er nach einer elastischen Verformung der ihn umgebenden Hülse die Verformbarkeit der Hülse begrenzt und damit die Federcharakteristik des Rollenstrangs geändert wird.It is also possible, as shown in FIG. 9, to form the axle rod 20 in a triangular shape or to give it another geometric shape, e.g. a cuboid shape to give from the point of view that it limits the deformability of the sleeve after an elastic deformation of the sleeve surrounding it and thus the spring characteristic of the roller strand is changed.

Zur Beeinflussung der Gesamtfedercharakteristik des Rollenstrangs besteht auch die Möglichkeit, den Achsstab als Rohr auszubilden, das als Rundrohr, als ovales Rohr 21, wie in der Fig. 10 dargestellt, oder als dreieckförmiges Rohr oder als Rohr mit einem anderen Querschnitt, z.B. einem quaderförmigen, ausgebildet sein kann.To influence the overall spring characteristic of the roller strand, there is also the possibility of designing the axle rod as a tube, that as a round tube, as an oval tube 21, as shown in FIG. 10, or as a triangular tube or as a tube with a different cross section, for example a cuboid shape. can be trained.

Als Achsstab kann auch ein Draht, eine Litze, ein Seil oder ein anderes flexibles Mittel verwendet werden.A wire, a stranded wire, a rope or another flexible means can also be used as the axis rod.

Es besteht auch die Möglichkeit, die Stirnkanten der Rollen zweier unmittelbar hintereinanderliegender Rohrstränge seitlich versetzt gegeneinander anzuordnen.There is also the possibility of arranging the end edges of the rolls of two pipe strings lying directly one behind the other laterally offset from one another.

Bei dem Ausführungsbeispiel nach der Fig. 11 sind zur Erhöhung der Gelenkigkeit zwischen zwei benachbarten Rollen die Stirnkanten der Rollen so ausgebildet, daß sie mit der Drehachse 22 einen Winkel bilden, der ein wenig kleiner ist als 90°. Dieser Winkel kann im Bereich zwischen 85 bis 89° liegen.In the embodiment according to FIG. 11, in order to increase the articulation between two adjacent rollers, the end edges of the rollers are designed such that they form an angle with the axis of rotation 22 which is a little less than 90 °. This angle can range from 85 to 89 °.

Sofern die Rollen eines Rollenstranges als Hülsen ausgeführt werden und die Hülsen an den Enden des Achsstabes ein federndes Widerlager zugeordnet wird oder in axialer Richtung beweglich angeordnet sind, erhalten die Hülsen eine Beweglichkeit in vertikaler Richtung _ in ihrem Elastizitätsbereich _ und in axialer Richtung, so daß von ihnen nicht nur vertikale Belastungen federnd aufgenommen, sondern auch Bewegungen in axialer Richtung unter dem Einfluß von Wärmedehnungen der Preßbänder in Querrichtung ausgeführt werden können.If the rolls of a roller train are designed as sleeves and the sleeves are assigned a resilient abutment at the ends of the axle rod or are arranged to be movable in the axial direction, the sleeves have mobility in the vertical direction _ in their elastic range _ and in the axial direction, so that they not only absorb vertical loads resiliently, but also movements in the axial direction can be carried out in the transverse direction under the influence of thermal expansion of the press belts.

Durch die Beweglichkeit des Rollenstranges in axialer Richtung können auch Belastungen aus Bandverlauf schonend aufgenommen werden.Due to the mobility of the roller train in the axial direction, loads from the belt run can also be absorbed gently.

Die in den Fig. 12 und 13 dargestellten Rollenstränge 4 sind etwa in ihrem jeweiligen Mittenbereich durch gelenkig aneinander festgelegte Laschen 27 miteinander verbunden. Dabei können mehrere Laschen 27 in Form einer mehrgliedrigen Kette jeweils zwei Rollenstränge 4 miteinander verbinden, so daß ein Umlenkradius, dann wenn die Rollenstränge 4 vom Austragende der Druckplatte zu deren Einführende zurücktransportiert werden, in günstiger Weise klein gehalten werden kann.The roller strands 4 shown in FIGS. 12 and 13 are connected to one another approximately in their respective central region by tabs 27 which are articulated to one another. A plurality of tabs 27 in the form of a multi-link chain can each connect two roller strands 4 so that a deflection radius, when the roller strands 4 are transported back from the discharge end of the printing plate to its insertion, can advantageously be kept small.

Durch die Befestigung der Rollenstränge 4 untereinander jeweils im Mittenbereich wird verhindert, daß durch unterschiedliche Belastungen unterschiedliche Abnutzungen der Hohlzylinder 14 auftreten, die zu Schwierigkeiten beim Transport der Rollenstränge 4 insbesondere im Rücktrum führen können, wie sie bei einer beidseitigen Endlagerung der Rollenstränge 4 durchaus auftreten.The attachment of the roller strands 4 to each other in the middle area prevents different wear of the hollow cylinders 14 from occurring due to different loads, which can lead to difficulties in transporting the roller strands 4, in particular in the back run, as can occur with the roller strands 4 being stored on both sides.

Ein weiterer erfindungsgemäßer Wälzkörper ist in der Fig. 14 dargestellt. Dabei ist ebenfalls der Wälzkörper als ein eine Reihe Hohlzylinder 23 aufweisender, zu einer Baueinheit zusammengesetzter Rollenstrang 4 ausgebildet. Zwischen den Hohlzylindern 23, die in der Ausgangslage miteinander fluchten und zu den benachbarten Rollen drehbar gelagert sind, sind Federn 25 angeordnet, die sich jeweils an den gegenüberliegenden Stirnflächen zweier Hohlzylinder 23 abstützen. Die Federn 25, die im vorliegenden Ausführungsbeispiel als Tellerfedern ausgebildet sind, sorgen für eine Abfederung der Hohlzylinder 23 in axialer Richtung, so daß eine Addition von Druckspannungen verhindert wird.Another rolling element according to the invention is shown in FIG. 14. The rolling element is likewise designed as a roller train 4 which has a row of hollow cylinders 23 and is combined to form a structural unit. Between the hollow cylinders 23, which are aligned with one another in the starting position and are rotatably mounted to the adjacent rollers, springs 25 are arranged, each of which is supported on the opposite end faces of two hollow cylinders 23. The springs 25, which in the present exemplary embodiment are designed as plate springs, ensure that the hollow cylinders 23 are cushioned in the axial direction, so that the addition of compressive stresses is prevented.

Claims (19)

1. Apparatus for applying a surface pressure to advancing workpieces such as wood material panels, rubber or plastics webs or the like, wherein at least one circulating pressing belt (1) can be pressed against the workpiece (5) and the working pressure can be applied to the working run of the pressing belt by means of a pressure plate (3) and disposed in the region of the pressure plate (3) are spaced-apart rolling bodies which are frictionally connected to the pressure plate and the associated working run of the pressing belt (1) and which extend over the entire width of the pressing belt and which are transported on a closed path (6) from the discharge end of the pressure plate back to the entry end of the pressure plate and the rolling bodies are in the form of a roller line (4) which has a row of rollers lying in the axial direction and which is combined to form a structural unit and in which the rollers embrace an axle bar with an annular gap, are aligned with each other in the starting position and are mounted rotatably relative to the adjacent roller or rollers, characterised in that in each roller line the rollers (14, 17, 23, 24) are positively and/or force-lockingly connected together, embrace an axle bar (15, 18, 19, 20, 21) with a large annular gap exceeding the bearing play, and are resiliently deformable until they come to bear against the axle bar.
2. Apparatus according to claim 1 characterised in that springs (25) are arranged at least between two rollers and each bear against the oppositely disposed end faces of two rollers.
3. Apparatus according to claim 1 characterised in that the axes of rotation of the rollers in the operating condition form tangents to the main axis of the roller line.
4. Apparatus according to claim 1 characterised in that the rollers are in the form of hollow cylinders (14) or sleeves (17) of small casing thickness.
5. Apparatus according to claim 4 characterised in that the sleeves of a roller line are different in terms of casing thickness and/or material.
6. Apparatus according to claim 1 characterised in that the axle bar (15) is prestressed and secured to the bar ends are springs which bear against the outwardly disposed end faces of the outer rollers (14).
7. Apparatus according to claim 6 characterised in that the springs are in the form of plate springs (16), spiral springs or hydropneumatic springs.
8. Apparatus according to claim 1 characterised in that each axle bar is non-rotatably mounted at the ends to a flexible means connecting the roller lines (4).
9. Apparatus according to claim 1 characterised in that each axle bar (15, 18) is arranged rotatably.
10. Apparatus according to claim 8 characterised in that the axle bar (19) is of oval cross-section and there is a small amount of horizontal play and a relatively large amount of vertical play between the axle bar and the sleeves (17) disposed on the axle bar and the sleeves are resiliently deformable by way of the vertical play until they bear against the axle bar.
11. Apparatus according to claim 8 or claim 9 characterised in that the axle bar is of round, square or triangular configuration in cross-section.
12. Apparatus according to claim 8 or claim 9 characterised in that the axle bar is a tube and the tube is of round, oval, square or triangular configuration in cross-section.
13. Apparatus according to claim 8 or claim 9 characterised in that the axle bar is in the form of a wire, cable or the like flexible means.
14. Apparatus according to claim 4 characterised in that means for rotational monitoring of the sleeve are associated with the roller lines.
15. Apparatus according to claim 14 characterised in that rotational monitoring is effected mechanically or electromagnetically.
16. Apparatus according to claim 14 or claim 15 characterised in that the locking of a sleeve is displayed at an end point of the axle bar and/or at the control desk or results in the actuation of an emergency off switch.
17. Apparatus according to claim 1 characterised in that the end edges of the rollers of two roller lines (4) which are disposed directly one behind the other are arranged to be laterally displaced relative to each other.
18. Apparatus according to claim 4 characterised in that to enhance the flexibility between two adjacent rollers the end edges of the rollers form relative to the axis of rotation (22) an angle which is a little less than 90°.
19. Apparatus according to claim 18 characterised in that the angle between the end edge and the axis of rotation (22) in operation is between 85 and 89°.
EP87102941A 1986-03-14 1987-03-02 Apparatus for applying a surface impression to progressing work pieces Expired - Lifetime EP0236905B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87102941T ATE62178T1 (en) 1986-03-14 1987-03-02 DEVICE FOR APPLYING A SURFACE PRESSURE TO PROGRESSIVE WORKPIECES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3608487 1986-03-14
DE19863608487 DE3608487A1 (en) 1986-03-14 1986-03-14 DEVICE FOR APPLYING A SURFACE PRESS TO PROGRESSIVE WORKPIECES

Publications (3)

Publication Number Publication Date
EP0236905A2 EP0236905A2 (en) 1987-09-16
EP0236905A3 EP0236905A3 (en) 1989-04-05
EP0236905B1 true EP0236905B1 (en) 1991-04-03

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EP87102941A Expired - Lifetime EP0236905B1 (en) 1986-03-14 1987-03-02 Apparatus for applying a surface impression to progressing work pieces

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US (1) US4807525A (en)
EP (1) EP0236905B1 (en)
JP (1) JPS62248601A (en)
AT (1) ATE62178T1 (en)
DE (2) DE3608487A1 (en)
ES (1) ES2020954B3 (en)
FI (1) FI86040C (en)
IN (1) IN169321B (en)
SU (1) SU1582981A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018130019A1 (en) 2018-11-27 2020-05-28 Azl Aachen Gmbh Device for the pressing processing of flat material

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68909382T2 (en) * 1988-12-21 1994-04-14 Nippon Oil Co Ltd Continuous process for the production of high-strength and highly elastic polyolefin materials.
DE3913991C2 (en) * 1989-04-27 1997-01-16 Dieffenbacher Gmbh Maschf Continuously working press
AU6595690A (en) * 1989-11-09 1991-05-16 Mcgrath Industries Limited Improvements in or relating to apparatus to facilitate movement of an object over a surface
CA2036755C (en) * 1990-03-30 1998-06-02 Friedrich Bernd Bielfeldt Continuously-operating press
DE4141833C1 (en) * 1991-12-18 1993-02-04 G. Siempelkamp Gmbh & Co, 4150 Krefeld, De Continuous board production press - has heated top and bottom platens defining gap for steel press belts
DE29719897U1 (en) * 1997-11-08 1999-03-18 Eduard Küsters Maschinenfabrik GmbH & Co. KG, 47805 Krefeld Roller for a roller chain
DE19844166A1 (en) * 1998-09-27 2000-03-30 Dieffenbacher Gmbh Maschf Continuous press for particle-, plastic- and composite panels employs chain of rollers with cores of lower thermal conductivity and -capacity than their casings, to improve product and productivity through control of thermal diffusivity
JP4425000B2 (en) * 2004-01-06 2010-03-03 株式会社ブリヂストン Rubber member conveying device and rubber member supply system having the same
CH701686A1 (en) * 2009-08-24 2011-02-28 Wrh Walter Reist Holding Ag Supporting device for conveying heavy loads.
US9017501B2 (en) 2011-02-17 2015-04-28 Baker Hughes Incorporated Polymeric component and method of making
US8684075B2 (en) 2011-02-17 2014-04-01 Baker Hughes Incorporated Sand screen, expandable screen and method of making
US8664318B2 (en) 2011-02-17 2014-03-04 Baker Hughes Incorporated Conformable screen, shape memory structure and method of making the same
US9044914B2 (en) 2011-06-28 2015-06-02 Baker Hughes Incorporated Permeable material compacting method and apparatus
US8720590B2 (en) * 2011-08-05 2014-05-13 Baker Hughes Incorporated Permeable material compacting method and apparatus
US8721958B2 (en) 2011-08-05 2014-05-13 Baker Hughes Incorporated Permeable material compacting method and apparatus
DE202011105077U1 (en) * 2011-08-27 2012-11-28 Hans Hundegger Belt or chain arrangement and woodworking plant with such a belt or chain arrangement
JP6334795B1 (en) * 2017-09-05 2018-05-30 プロセスシステム株式会社 Double belt press device and induction heating press module
CN109894511B (en) * 2019-04-18 2021-08-20 青岛明珠钢结构有限公司 A unloader for H shaped steel

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7107153U (en) * 1972-04-27 G Siempelkamp & Co Continuous press
CA654139A (en) * 1962-12-18 Expeller Press And Chemical Corp. Conveyor press
CH327433A (en) * 1954-01-15 1958-01-31 Voelskow Peter Device for continuously progressing pressing
DE1717458U (en) * 1955-04-13 1956-02-23 Peter Voelskow EQUIPMENT FOR CONTINUOUS PRESSING.
NL232927A (en) * 1957-11-05
US3118532A (en) * 1960-06-06 1964-01-21 Joy Mfg Co Flexible idler roller for a conveyor belt
GB992000A (en) * 1963-05-15 1965-05-12 Morris Behan Mccullagh Improvements in rollers for belt conveyors
FR1469225A (en) * 1965-12-27 1967-02-10 Continuous press
DE2248760A1 (en) * 1972-10-05 1974-04-11 Kuesters Eduard Continuous press - for producing laminates of compressed chip panels
BE791762A (en) * 1971-11-22 1973-03-16 Kuesters Eduard DEVICE INTENDED TO EXERCISE PRESSURE ON THE SURFACE
US3965769A (en) * 1971-11-22 1976-06-29 Eduard Kuesters Maschinenfabrik Roller chains for a continuous press
US3993426A (en) * 1971-11-22 1976-11-23 Eduard Kusters Continuous press having improved anti-friction rollers
US4271960A (en) * 1978-11-20 1981-06-09 Taylor Manufacturing Company Conveyors and chain
DE3040017A1 (en) * 1980-10-23 1982-06-03 Maschinenfabrik J. Dieffenbacher Gmbh & Co, 7519 Eppingen Continuous laminating press - single daylight platens consist of sets of supported roller systems acting on steel bands
FR2492722A1 (en) * 1980-10-28 1982-04-30 Neuman Marcel IMPROVED MACHINE FOR CONTINUOUSLY DENSIFING SKIN-CELLULOSIC OR SIMILAR MATERIALS
DE3117778A1 (en) * 1981-05-06 1982-11-25 G. Siempelkamp Gmbh & Co, 4150 Krefeld "DEVICE FOR PRODUCING CHIPBOARD, FIBERBOARD AND THE LIKE."
DE3140548C1 (en) * 1981-10-13 1983-03-31 Santrade Ltd., 6002 Luzern Double belt press
US4523674A (en) * 1982-06-17 1985-06-18 Impact Roller, Inc. Impact roller structure
DE8225168U1 (en) * 1982-09-07 1985-12-19 G. Siempelkamp Gmbh & Co, 4150 Krefeld Device for determining pressing parameters for the continuous production of chipboard, fiberboard and the like.
DE3525154A1 (en) * 1985-07-13 1987-01-22 Santrade Ltd SEALING ARRANGEMENT FOR A DOUBLE BAND PRESS WITH PRESSURE CHAMBERS
DE3534996C1 (en) * 1985-10-01 1986-12-04 G. Siempelkamp Gmbh & Co, 4150 Krefeld Continuously operating coating press

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018130019A1 (en) 2018-11-27 2020-05-28 Azl Aachen Gmbh Device for the pressing processing of flat material
WO2020108704A1 (en) 2018-11-27 2020-06-04 Azl Aachen Gmbh Device for pressing flat material
DE102018130019B4 (en) * 2018-11-27 2021-02-25 Azl Aachen Gmbh Device for pressing processing of flat material
EP4105006A1 (en) 2018-11-27 2022-12-21 AZL Aachen GmbH Device for pressing flat material

Also Published As

Publication number Publication date
EP0236905A3 (en) 1989-04-05
FI871118A (en) 1987-09-15
DE3608487A1 (en) 1987-09-17
FI871118A0 (en) 1987-03-13
DE3608487C2 (en) 1993-01-21
EP0236905A2 (en) 1987-09-16
ATE62178T1 (en) 1991-04-15
US4807525A (en) 1989-02-28
FI86040B (en) 1992-03-31
IN169321B (en) 1991-09-28
JPH0336637B2 (en) 1991-06-03
FI86040C (en) 1992-07-10
DE3768988D1 (en) 1991-05-08
ES2020954B3 (en) 1991-10-16
SU1582981A3 (en) 1990-07-30
JPS62248601A (en) 1987-10-29

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