EP2189276B1 - Plate press and pressed sheet-pressed cushion unit - Google Patents

Plate press and pressed sheet-pressed cushion unit Download PDF

Info

Publication number
EP2189276B1
EP2189276B1 EP08105863.8A EP08105863A EP2189276B1 EP 2189276 B1 EP2189276 B1 EP 2189276B1 EP 08105863 A EP08105863 A EP 08105863A EP 2189276 B1 EP2189276 B1 EP 2189276B1
Authority
EP
European Patent Office
Prior art keywords
press
plate
membrane
liquid
heating plate
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
EP08105863.8A
Other languages
German (de)
French (fr)
Other versions
EP2189276A1 (en
Inventor
Rolf Dr. Espe
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.)
Hueck Rheinische GmbH
Original Assignee
Hueck Rheinische GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hueck Rheinische GmbH filed Critical Hueck Rheinische GmbH
Priority to EP08105863.8A priority Critical patent/EP2189276B1/en
Priority to ES08105863.8T priority patent/ES2586606T3/en
Priority to PL08105863.8T priority patent/PL2189276T3/en
Priority to CA2685801A priority patent/CA2685801C/en
Priority to CN200910225940.XA priority patent/CN101733949B/en
Priority to RU2009143439/02A priority patent/RU2520873C2/en
Priority to US12/592,459 priority patent/US8261803B2/en
Publication of EP2189276A1 publication Critical patent/EP2189276A1/en
Application granted granted Critical
Publication of EP2189276B1 publication Critical patent/EP2189276B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • B30B15/064—Press plates with heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/061—Cushion plates
    • 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
    • B30B5/02—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 a flexible element, e.g. diaphragm, urged by fluid pressure

Definitions

  • the invention relates to a platen press, in particular a one-ply or multi-ply cycle press, comprising at least one heating plate, at least one press plate and at least one press pad arranged between the press plate and the heating plate, which has a cushion layer which is liquid at least at the operating temperature of the platen press, on one side is bounded by a fluid-tight membrane, wherein the press plate is located on a side facing a pressed material and wherein the membrane is a flexible polymer material, in particular an elastomeric material, preferably a silicone, fluorine or a silicone-fluorine blended elastomer, or a fluoro-tetrapolymer having.
  • Such plate presses are used in particular for coating wood-based panels with amino resins in the form of phenolic, urea, melamine, or melamine / urea mixed resins.
  • amino resins in the form of phenolic, urea, melamine, or melamine / urea mixed resins.
  • HDF High Density Fibreboards
  • laminate coated for use in the floor area (as a so-called "laminate”
  • decorative surfaces of different design can be realized.
  • a uniform pressure distribution over the entire platen press which can have a working surface of up to 20 m 2 , is of crucial importance.
  • press pads must therefore have sufficient elasticity, ie flexibility, in order to compensate for the thickness tolerances during the pressing process. In addition, they must have a good recovery after pressure relief, as without a replacement of the press pads as large a number of press cycles should be possible.
  • Another important feature of the press pads is their heat resistance and thermal conductivity.
  • the aminoplast resins mentioned above are thermosetting plastics in which the crosslinking process takes place by way of polycondensation. This means that water vapor and excess formaldehyde in vapor form is released during the pressing process. The resulting vapor bubbles must during the pressing process, which runs under a pressure of about 150 N / cm 2 to 600 N / cm 2 and a temperature of 140 ° C to 220 ° C, in the material to be coated, ie, for example, the HDF plate , diffuse. In this context, a different pressure distribution over the press surface can lead to diffusion problems, which are manifested in errors in the surface quality of the finished product.
  • press cushions initially consisted mostly of several layers of kraft paper
  • today's state of the art technology is formed by a wide variety of types of textile press cushions. Due to the textile structure and the imperfectly homogeneous surface structure in principle, differences in the pressure acting effectively on the pressed material over the entire surface of the platen press can not be avoided in practice.
  • a platen press wherein below the press plate, a membrane is arranged in the form of a metallic plate, which is circumferentially welded to the heating plate.
  • a liquid cushion layer is arranged in a closed space between the metallic membrane plate and the heating plate.
  • This padding layer consists of a lead-tin alloy, which is characterized by a good thermal conductivity.
  • the material of the pressure pad is cured.
  • T-shaped anchoring heads are present on the underside of the membrane plate, which engage in corresponding anchoring grooves in the top of the heating plate.
  • a plate press adjacent to the liquid cushion layer on the one hand directly to the back of the press plate.
  • the liquid cushioning layer is directly connected to the heating plate.
  • Movable, introduced into grooves in the heating plate seals are arranged circumferentially on the edge of the heating plate, whereas the attachment of the press plate takes place on protruding edges where fasteners are located, which cooperate with frontally attached to the heating plate mounting brackets.
  • a disadvantage of the platen press described above is the fact that a pressure plate change can only take place after the liquid cushion layer has been more or less completely removed from the space between the press plate and the heating plate. This is done by means of a special vacuum chamber, which is connected via an emptying channel with the pressure pad chamber.
  • the discharge operation before the removal of the press plate and the filling process which is required after the installation of a new press plate by a separate filling channel out of a pressure chamber out again, each requires time, whereby the downtime of the press can be increased.
  • the pressure pad space can never be completely emptied, so that inevitably certain residual amounts of the material of the liquid pressure pad still adhere to the pressure plate to be removed even after the emptying process.
  • a generic laminating press in which the pressure applied to the compact is equalized by means of a fluid.
  • the fluid is in a chamber between the heating plate and a flexible membrane, which is circumferentially connected via a sealing element sealingly connected to the heating plate.
  • JP-A-8192300 discloses a platen press having the features of the preamble of claim 1.
  • the invention has for its object to provide a press pad with liquid cushioning layer that can be easily and quickly replaced.
  • the underlying object is achieved in that the platen press has the features of claim 1.
  • press pads according to the preamble of claim 1 is thus dispensed with the use of metallic membranes for sealing liquid cushioning layers.
  • This fact is based on the approach that flexible polymer materials meet the requirements of pressing pressure and temperature as well as metallic materials, but on the other hand are cheaper to manufacture and to handle.
  • Another advantage of the flexible polymer material is that the membrane very intimately adapts to the heating plate or the press plate and thus avoids insulating air gaps, as they are not ruled out in much stiffer metallic membranes. The heat transfer from the heating plate through the press pad and subsequently the press plate onto the pressed material can therefore reach an excellent level even with the membrane according to the invention containing a flexible polymer material.
  • the liquid cushion layer is bounded on a membrane opposite side of the press plate and connected to this fluid-tight.
  • press plate and membrane thus form a unit which allows a quick change of press plate including press pad.
  • the space between the press plate and the press pad can be permanently closed, so that when changing the press pad is replaced with the liquid cushion layer or there is a closable connection to the room, which before removing the press pad removal of the liquid cushion layer forming material allowed.
  • the membrane and the press plate in edge strips, each projecting over an outline of the heating plate, circumferentially fluid-tightly connected to each other, in particular glued or pressed.
  • the adhesive it is preferable to use a condensation-crosslinked silicone adhesive which is capable of bonding the silicone elastomer-made membrane to the steel material of the press plate in a durable and temperature-resistant manner.
  • circumferential clamping strips can be provided on the edge strips of the press plate, the edge strips of the membrane between them and the press plate clamped fluid-tight.
  • connecting elements in particular in the form of screws, bolts, rivets or staples each exert a clamping force on the diaphragm, press plate and possibly intervening adhesive and / or sealant edge seal.
  • the terminal strips can substantially completely close a gap region between the heating plate and the press plate, as this is given in the pressing operation and thus laterally support end sides of the membrane.
  • the membrane In order to withstand the stresses prevailing in the press operation, the membrane should consist of a foil material with a thickness of between 0.1 mm and 10 mm, preferably between 1 mm and 3 mm.
  • a reinforcing insert in particular with a fabric or an alternative textile fabric of metallic and / or polymeric threads, wherein the reinforcing insert should be completely embedded in the film material to the smoothest possible surface of the membrane to reach.
  • a smooth surface with low roughness is important in order to obtain a large contact surface to the press plate or to the heating plate, whereby the heat transfer is favored.
  • the membrane can also be made so that the polymeric material is doctored onto the reinforcing insert, whereby the insert can be embedded more or less completely.
  • the film material of the membrane with heat-conducting inorganic additives in particular with metal powder and / or quartz powder, be enriched.
  • a heat conductivity-increasing substances may be, for example, alumina, boron nitride or quartz powder.
  • the proportion of additives must not exceed a certain extent, in particular approximately 40%, if possible, so that the elasticity and flexibility of the membrane is maintained.
  • the material may be added to the liquid cushioning layer of long and / or cyclic hydrocarbons, in particular hydraulic oil, to which the thermal conductivity enhancing additives may be added, or to liquid metal or a metal alloy, in particular a lead, at the operating temperature of the platen press and / or tin and / or bismuth-containing alloy.
  • a channel for the supply and removal of the material of the liquid cushion layer can be provided, wherein the channel is the membrane and / or penetrates the press plate and is alternately closed and opened.
  • a press plate press pad unit which consists of a metallic press plate and one of a flexible polymer material existing diaphragm, wherein the membrane and the press plate in respective edge strips fluid-tightly interconnected, in particular glued and / or jammed and / or pressed, and wherein the press plate and the membrane define between them a closed space which is filled with a material or filled is that forms a liquid cushion layer at the operating temperature of a platen press.
  • a press plate press pad unit can be used in existing plate presses, if the principle of textile press pad to the principle of a liquid cushion to be changed.
  • FIG. 1 only partially and schematically illustrated platen press 1, which is equipped in a known manner with a plurality of arranged in the press longitudinal direction press frame with upper struts and lower struts and with supported on the upper struts or Unterholmen hydraulic cylinders in addition to the components shown, moreover, a heating plate 2, a membrane 3, a cushion layer 4 made of a liquid material, a press plate 5 and a compact 6 on.
  • a «tagenpresse is the structure the same symmetrical to a plane of symmetry 7, which is also the median plane of the compact 6.
  • a lower heating plate, not shown is adjoined in turn by a third press pad followed by a second compact.
  • the structure may continue over a plurality of floors in the same way. For the sake of simplicity, only the arrangement above the plane of symmetry 7 will be discussed in the following description.
  • the heating plate 2 formed as a metallic cast plate has a plurality of these passing through heating channels 8, in which circulates liquid thermal oil, which has been heated to the required operating temperature or to a certain extent beyond.
  • An underside of the heating plate 9 is in surface, heat-conducting contact with the consisting of a silicone elastomer, flexible and having a certain elasticity membrane 3.
  • Inside the consisting of a film material membrane 3 is a fully embedded in the silicone material reinforcing insert in the form of aramid fibers existing tissue.
  • the press pad itself consists of the above the press plate 5 arranged liquid cushion layer 4, which consists in the present case of a lead-tin alloy having a melting point of about 70 ° C to 80 ° C and the cushion layer 4 above the press plate 5 enclosing Membrane 3.
  • FIG. 1a results, the sealing of a space 11, in which the liquid cushion layer 4 is located in circumferentially around the heating plate 2 arranged around edge strips 12, which project beyond an outline 13 of the heating plate to the outside.
  • edge strips 12 3 circumferential clamping strips 14 are also arranged above the membrane, which are braced by means of screws 15 with the press plate 5 and clamp in this way the interposed mem brane 3 and thus close the space 11 fluid-tight.
  • the clamping strips 14 may be shaped such that they substantially close a gap region 16 extending perpendicular to the plane of symmetry 7 between the press plate 5 and the underside 9 of the heating plate 2, so that in the operating state of the Press the membrane in the region of the edge strips 12 can be supported against the sufficiently rigid terminal block 14, so that excessive expansion of the membrane in the otherwise unprotected gap regions 16 is prevented.
  • the terminal block 14 is shown as a flat rectangular cross-section which is parallel to the press plate 5, shown.
  • an adhesive layer K which also causes a greater tightness in addition to an increased strength of the edge seal.
  • a connection 17 for a line for filling the space 11 with the material of the liquid cushion layer 4 may be arranged.
  • a hydraulic pump 19 By means of a hydraulic pump 19, the pressure within the liquid cushioning layer 4 during the pressing operation or previously set.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Central Heating Systems (AREA)

Description

Einleitungintroduction

Die Erfindung betrifft eine Plattenpresse, insbesondere eine Einetagen- oder Mehretagen-Taktpresse, mit mindestens einer Heizplatte, mindestens einem Pressblech und mindestens einem zwischen dem Pressblech und der Heizplatte angeordneten Presspolster, das eine zumindest bei Betriebstemperatur der Plattenpresse flüssige Polsterschicht aufweist, die auf einer Seite von einer fluiddichten Membran begrenzt ist, wobei sich das Pressblech auf einer einem Pressgut zugewandten Seite befindet und wobei die Membran ein flexibles Polymermaterial, insbesondere ein Elastomermaterial, vorzugsweise ein Silikon-, Fluor- oder ein Silikon-Fluor-Blendelastomer, oder ein Fluor-Tetrapolymer aufweist.The invention relates to a platen press, in particular a one-ply or multi-ply cycle press, comprising at least one heating plate, at least one press plate and at least one press pad arranged between the press plate and the heating plate, which has a cushion layer which is liquid at least at the operating temperature of the platen press, on one side is bounded by a fluid-tight membrane, wherein the press plate is located on a side facing a pressed material and wherein the membrane is a flexible polymer material, in particular an elastomeric material, preferably a silicone, fluorine or a silicone-fluorine blended elastomer, or a fluoro-tetrapolymer having.

Derartige Plattenpressen werden insbesondere zur Beschichtung von Holzwerkstoffplatten mit Aminoplastharzen in Form von Phenol-, Harnstoff-, Melamin-, oder Melamin-/Harnstoff Mischharzen verwendet. Bei dem Pressgut bzw. so genannten Pressling, handelt es sich z.B. um HDF-Platten (High Density Fibreboards), die zur Verwendung im Fußbodenbereich (als so genanntes "Laminat") mit Melaminharzen beschichtet werden, wobei dekorative Oberflächen unterschiedlichster Ausgestaltung realisierbar sind. Um eine hohe Oberflächenqualität bei derartigen Beschichtungsvorgängen zu erreichen, ist eine gleichmäßige Druckverteilung über die gesamte Plattenpresse, die eine Arbeitsfläche von bis zu 20 m2 aufweisen kann, von entscheidender Bedeutung.Such plate presses are used in particular for coating wood-based panels with amino resins in the form of phenolic, urea, melamine, or melamine / urea mixed resins. In the pressed material or so-called compact, for example, are HDF (High Density Fibreboards), which are coated for use in the floor area (as a so-called "laminate") with melamine resins, decorative surfaces of different design can be realized. In order to achieve a high surface quality in such coating operations, a uniform pressure distribution over the entire platen press, which can have a working surface of up to 20 m 2 , is of crucial importance.

Hier ist die Funktionalität der zwischen Heizplatte und Pressblech angeordneten Presspolster von großer Bedeutung, da bedingt durch Fertigungstoleranzen zu eventuellem späteren Verzug bei der Presse sowie Dickentoleranzen bei dem Pressgut ansonsten eine gleichmäßige Druckbelastung über den gesamten Pressling nicht erzielbar wäre. Presspolster müssen aus diesem Grunde eine hinreichende Elastizität, d.h. Nachgiebigkeit, besitzen, um die Dickentoleranzen beim Pressvorgang ausgleichen zu können. Darüber hinaus müssen sie ein gutes Erholungsvermögen nach Druckentlastung besitzen, da ohne ein Auswechseln der Presspolster eine möglichst große Anzahl von Presszyklen möglich sein soll. Eine weitere wichtige Eigenschaft der Presspolster ist ihre Hitzebeständigkeit sowie ihre Wärmeleitfähigkeit.Here, the functionality of the arranged between hot plate and press plate press pad is of great importance, since otherwise due to manufacturing tolerances to eventual subsequent distortion in the press and thickness tolerances in the pressed material a uniform pressure load over the entire compact would not be achieved. Press pads must therefore have sufficient elasticity, ie flexibility, in order to compensate for the thickness tolerances during the pressing process. In addition, they must have a good recovery after pressure relief, as without a replacement of the press pads as large a number of press cycles should be possible. Another important feature of the press pads is their heat resistance and thermal conductivity.

Bei den weiter oben genannten Aminoplastharzen handelt es sich um Duroplaste, bei denen der Vernetzungsvorgang im Wege einer Polykondensation erfolgt. Das bedeutet, dass während des Pressvorgangs Wasserdampf und überschüssiges Formaldehyd in Dampfform frei wird. Die entstehenden Dampfblasen müssen während des Pressvorgangs, der unter einem Druck von ca. 150 N/cm2 bis 600 N/cm2 und einer Temperatur von 140°C bis 220°C abläuft, in den zu beschichtenden Werkstoff, d.h. z.B. die HDF-Platte, diffundieren. Eine unterschiedliche Druckverteilung über die Pressenfläche betrachtet kann in diesem Zusammenhang zu Diffusionsproblemen führen, die sich in Fehlern in der Oberflächenqualität des fertigen Produkts zeigen.The aminoplast resins mentioned above are thermosetting plastics in which the crosslinking process takes place by way of polycondensation. This means that water vapor and excess formaldehyde in vapor form is released during the pressing process. The resulting vapor bubbles must during the pressing process, which runs under a pressure of about 150 N / cm 2 to 600 N / cm 2 and a temperature of 140 ° C to 220 ° C, in the material to be coated, ie, for example, the HDF plate , diffuse. In this context, a different pressure distribution over the press surface can lead to diffusion problems, which are manifested in errors in the surface quality of the finished product.

Stand der TechnikState of the art

Während Presspolster anfangs meist aus mehreren Lagen von Kraftpapier bestanden, wird der heute übliche Stand der Technik von unterschiedlichsten textilen Presspolstertypen gebildet. Aufgrund der textilen Struktur und der insofern prinzipbedingt nicht perfekt homogenen Oberflächenstruktur lassen sich Unterschiede im effektiv auf das Pressgut wirkenden Druck über die gesamte Fläche der Plattenpresse betrachtet in der Praxis nicht vermeiden.While press cushions initially consisted mostly of several layers of kraft paper, today's state of the art technology is formed by a wide variety of types of textile press cushions. Due to the textile structure and the imperfectly homogeneous surface structure in principle, differences in the pressure acting effectively on the pressed material over the entire surface of the platen press can not be avoided in practice.

Neben Plattenpressen mit textilen oder auch mattenförmigen Presspolstern sind auch bereits Pressenkonstruktionen bekannt, bei denen das Problem der ungleichförmigen Druckverteilung mit Presspolstern gelöst werden soll, die eine flüssige Polsterschicht aufweisen:In addition to plate presses with textile or mat-shaped press pads and press constructions are already known in which the problem of non-uniform pressure distribution to be solved with press pads, which have a liquid cushion layer:

So ist in der DE 199 37 694 A1 eine Plattenpresse offenbart, bei der unterhalb des Pressblechs eine Membran in Form einer metallischen Platte angeordnet ist, die randseitig umlaufend mit der Heizplatte verschweißt ist. In einem geschlossenen Zwischenraum zwischen der metallischen Membranplatte und der Heizplatte ist eine flüssige Polsterschicht angeordnet. Diese Polsterschicht besteht aus einer Blei-Zinn-Legierung, die sich durch eine gute Wärmeleitfähigkeit auszeichnet. Im kalten Zustand der Presse ist das Material des Druckkissens ausgehärtet. Um eine formschlüssige Verbindung der metallischen Membranplatte mit der Heizplatte zu erreichen und dennoch ein vorgegebenes Bewegungsspiel der Membranplatte relativ zu der Heizplatte zu ermöglichen, sind an der Unterseite der Membranplatte T-förmige Verankerungsköpfe vorhanden, die in korrespondierende Verankerungsnuten in der Oberseite der Heizplatte eingreifen.So is in the DE 199 37 694 A1 discloses a platen press, wherein below the press plate, a membrane is arranged in the form of a metallic plate, which is circumferentially welded to the heating plate. In a closed space between the metallic membrane plate and the heating plate, a liquid cushion layer is arranged. This padding layer consists of a lead-tin alloy, which is characterized by a good thermal conductivity. In the cold state of the press, the material of the pressure pad is cured. In order to achieve a positive connection of the metallic membrane plate with the heating plate and still allow a predetermined movement of the membrane plate relative to the heating plate, T-shaped anchoring heads are present on the underside of the membrane plate, which engage in corresponding anchoring grooves in the top of the heating plate.

Nachteilig tritt bei einer derartigen Pressenkonstruktion in Erscheinung, dass die Herstellung der Heizplatten mit den vorgenannten hinterschnittenen Nuten teuer ist, und auch die Membranplatte mit ihren Verankerungsköpfen kompliziert aufgebaut ist. Auch der Wechselvorgang wird durch die formschlüssige Verbindung zwischen den vorgenannten Bauteilen erschwert.A disadvantage occurs in such a press design in appearance that the production of the heating plates with the aforementioned undercut grooves is expensive, and also the membrane plate is constructed with their anchoring heads complicated. The change process is hampered by the positive connection between the aforementioned components.

Darüber hinaus beschreibt die DE 10 2005 020 468 A1 eine Taktpresse, bei der gleichfalls eine flüssige Polsterschicht zwischen dem Pressblech und der Heizplatte vorhanden ist. In einer der in der DE 10 2005 020 486 A1 gezeigten Ausführungsformen einer Plattenpresse grenzt die flüssige Polsterschicht einerseits unmittelbar an die Rückseite des Pressblechs an. Andererseits steht die flüssige Polsterschicht direkt mit der Heizplatte in Verbindung. Bewegliche, in Nuten in der Heizplatte eingebrachte Dichtungen sind umlaufend am Rand der Heizplatte angeordnet, wohingegen die Befestigung des Pressblechs an überstehenden Rändern erfolgt, wo sich Befestigungselemente befinden, die mit stirnseitig an der Heizplatte angebrachten Befestigungswinkeln zusammenwirken.In addition, the describes DE 10 2005 020 468 A1 a cycle press, in which also a liquid cushion layer between the press plate and the heating plate is present. In one of the in the DE 10 2005 020 486 A1 shown embodiments of a plate press adjacent to the liquid cushion layer on the one hand directly to the back of the press plate. On the other hand, the liquid cushioning layer is directly connected to the heating plate. Movable, introduced into grooves in the heating plate seals are arranged circumferentially on the edge of the heating plate, whereas the attachment of the press plate takes place on protruding edges where fasteners are located, which cooperate with frontally attached to the heating plate mounting brackets.

Nachteilig bei der vorstehend beschriebenen Plattenpresse ist der Umstand, dass ein Pressblechwechsel nur erfolgen kann, nachdem die flüssige Polsterschicht mehr oder weniger vollständig aus dem Raum zwischen dem Pressblech und der Heizplatte entfernt wurde. Dies erfolgt mit Hilfe einer speziellen Vakuumkammer, die über einen Entleerungskanal mit der Druckkissenkammer verbunden ist. Der Entleerungsvorgang vor dem Entfernen des Pressblechs und der Befüllungsvorgang, der nach der Montage eines neuen Pressblechs durch einen separaten Befüllkanal aus einer Druckkammer heraus wieder erforderlich ist, erfordert jeweils Zeit, wodurch die Stillstandszeiten der Presse vergrößert werden. Darüber hinaus lässt sich der Druckkissenraum niemals vollständig restentleeren, so dass unvermeidlich gewisse Restmengen des Materials des flüssigen Druckkissens auch nach dem Entleerungsvorgang noch an dem zu entfernenden Pressblech anhaften.A disadvantage of the platen press described above is the fact that a pressure plate change can only take place after the liquid cushion layer has been more or less completely removed from the space between the press plate and the heating plate. This is done by means of a special vacuum chamber, which is connected via an emptying channel with the pressure pad chamber. The discharge operation before the removal of the press plate and the filling process, which is required after the installation of a new press plate by a separate filling channel out of a pressure chamber out again, each requires time, whereby the downtime of the press can be increased. In addition, the pressure pad space can never be completely emptied, so that inevitably certain residual amounts of the material of the liquid pressure pad still adhere to the pressure plate to be removed even after the emptying process.

Aus einem anderen in der DE 10 2005 020 486 A1 offenbarten Ausführungsbeispiel ist es bekannt, die Druckkissenkammer mit Hilfe einer allseits geschlossenen Umhüllung zu bilden. Das Pressblech steht somit auf der dem Pressgut abgewandten Rückseite mit der Umhüllung in direktem Kontakt. Auf der anderen Seite des Druckkissens liegt die Umhüllung an der Heizplatte an. Auf dieser Seite steht die Umhüllung auch im Bereich eines Durchbruchs mit einem an der Heizplatte befindlichen Kanal in Verbindung durch den das Druckkissen von außen befüllt und entleert werden kann. Ein Nachteil dieser Bauart ist die Schwierigkeit, aus metallischem Material ein geschlossenes, druckdichtes Druckkissen herzustellen.From another in the DE 10 2005 020 486 A1 disclosed embodiment, it is known to form the pressure pad chamber by means of a fully enclosed enclosure. The press plate is thus on the side facing away from the pressed material with the sheath in direct contact. On the other side of the pressure pad, the wrapper rests against the heating plate. On this page, the envelope is also in the region of a breakthrough with a channel located on the heating plate in connection through which the pressure pad of outside can be filled and emptied. A disadvantage of this design is the difficulty of producing a closed, pressure-tight pressure pad from metallic material.

Aus der EP 0 151 416 A2 ist eine gattungsgemäße Presse zum Laminieren bekannt, bei der der auf den Pressling ausgeübte Druck mittels eines Fluids vergleichmäßigt wird. Hierzu befindet sich das Fluid in einer Kammer zwischen der Heizplatte und einer flexiblen Membran, die umlaufend über ein Dichtelement dichtend mit der Heizplatte verbunden ist.From the EP 0 151 416 A2 For example, a generic laminating press is known in which the pressure applied to the compact is equalized by means of a fluid. For this purpose, the fluid is in a chamber between the heating plate and a flexible membrane, which is circumferentially connected via a sealing element sealingly connected to the heating plate.

Das Dokument JP-A-8192300 offenbart eine Plattenpresse mit den Merkmalen des Oberbegriffs des Anspruchs 1.The document JP-A-8192300 discloses a platen press having the features of the preamble of claim 1.

Aufgabetask

Der Erfindung liegt die Aufgabe zugrunde, ein Presspolster mit flüssiger Polsterschicht vorzusehen, das sich einfach und schnell austauschen lässt.The invention has for its object to provide a press pad with liquid cushioning layer that can be easily and quickly replaced.

Lösungsolution

Ausgehend von einer Plattenpresse der eingangs beschriebenen Art wird die zugrunde liegende Aufgabe dadurch gelöst, dass die Plattenpresse die Merkmale des Anspruchs 1 aufweist.Based on a platen press of the type described above, the underlying object is achieved in that the platen press has the features of claim 1.

Bei Presspolstern gemäß dem Oberbegriff des Anspruchs 1 wird somit auf die Verwendung metallischer Membranen zur Abdichtung flüssiger Polsterschichten verzichtet. Diese Tatsache basiert auf dem Ansatz, dass flexible Polymermaterialien die Anforderungen hinsichtlich Pressdruck und Temperatur ebenso gut wie metallische Materialien erfüllen, demgegenüber jedoch günstiger herzustellen und zu handhaben sind. Ein weiterer Vorteil des flexiblen Polymermaterials besteht darin, dass sich die Membran sehr innig an die Heizplatte bzw. das Pressblech anpasst und somit isolierende Luftzwischenräume, wie sie bei wesentlich steiferen metallischen Membranen nicht auszuschließen sind, vermeidet. Der Wärmedurchgang von der Heizplatte durch das Presspolster und anschießend das Pressblech auf das Pressgut kann daher auch mit der erfindungsgemäßen, ein flexibles Polymermaterial enthaltenden Membran ein ausgezeichnetes Niveau erreichen.In press pads according to the preamble of claim 1 is thus dispensed with the use of metallic membranes for sealing liquid cushioning layers. This fact is based on the approach that flexible polymer materials meet the requirements of pressing pressure and temperature as well as metallic materials, but on the other hand are cheaper to manufacture and to handle. Another advantage of the flexible polymer material is that the membrane very intimately adapts to the heating plate or the press plate and thus avoids insulating air gaps, as they are not ruled out in much stiffer metallic membranes. The heat transfer from the heating plate through the press pad and subsequently the press plate onto the pressed material can therefore reach an excellent level even with the membrane according to the invention containing a flexible polymer material.

Gemäß der erfindungsgemäßen Plattenpresse ist die flüssige Polsterschicht auf einer der Membran gegenüber liegenden Seite von dem Pressblech begrenzt und mit diesem fluiddicht verbunden. In diesem Fall bilden somit Pressblech und Membran eine Einheit, die einen schnellen Wechsel von Pressblech einschließlich Presspolster erlaubt. Dabei kann der Raum zwischen dem Pressblech und dem Presspolster dauerhaft abgeschlossen sein, so dass beim Wechsel das Presspolster mit der flüssigen Polsterschicht ausgetauscht wird oder aber es existiert ein verschließbarer Anschluss zu dem Raum, der vor Entfernung des Presspolsters ein Entfernen des die flüssige Polsterschicht bildenden Materials erlaubt. In letztgenanntem Fall ist auch während des Pressvorgangs über den Anschluss eine Beeinflussung des Drucks in der Polsterschicht möglich. Durch die Verbindung von Pressblech und Presspolster zu einer Funktionseinheit kann die Heizplatte selbst gegenüber bekannten Pressentypen unverändert bleiben, so dass auf einfache Weise eine Umstellung von textilen Presspolstern auf ein Flüssigkeitspolster möglich ist.According to the platen press according to the invention, the liquid cushion layer is bounded on a membrane opposite side of the press plate and connected to this fluid-tight. In this case, press plate and membrane thus form a unit which allows a quick change of press plate including press pad. In this case, the space between the press plate and the press pad can be permanently closed, so that when changing the press pad is replaced with the liquid cushion layer or there is a closable connection to the room, which before removing the press pad removal of the liquid cushion layer forming material allowed. In the latter case, it is also possible to influence the pressure in the cushion layer during the pressing process via the connection. By connecting the press plate and press pad to a functional unit, the hot plate itself remain unchanged from known types of presses, so that in a simple way a change from textile press pads on a liquid cushion is possible.

Eine vorteilhafte Weiterbildung der Pressblech-Presspolster-Einheit besteht darin, dass die Membran und das Pressblech in Randstreifen, die jeweils über einen Umriss der Heizplatte vorstehen, umlaufend fluiddicht miteinander verbunden, insbesondere verklebt oder verpresst sind. Als Klebstoff kann vorzugsweise ein kondensationsvernetzter Silikonkleber verwendet werden, der dazu in der Lage ist, die aus Silikonelastomer bestehende Membran mit dem Stahlmaterial des Pressblechs dauerhaft und temperaturbeständig zu verbinden.An advantageous development of the press plate-press pad unit is that the membrane and the press plate in edge strips, each projecting over an outline of the heating plate, circumferentially fluid-tightly connected to each other, in particular glued or pressed. As the adhesive, it is preferable to use a condensation-crosslinked silicone adhesive which is capable of bonding the silicone elastomer-made membrane to the steel material of the press plate in a durable and temperature-resistant manner.

Um eine umlaufend hinreichend große Verbindungskraft zwischen Membran und Pressblech zu erhalten, können an den Randstreifen des Pressblechs umlaufende Klemmleisten vorgesehen werden, die Randstreifen der Membran zwischen sich und dem Pressblech fluiddicht einklemmen. Dabei können des Weiteren entlang der Randstreifen umlaufend verteilt angeordnete Verbindungselemente, insbesondere in Form von Schrauben, Bolzen, Nieten oder Klammern jeweils eine Klemmkraft auf den von Membran, Pressblech und eventuell dazwischen befindlichem Kleb- und/oder Dichtstoff gebildeten Randverbund ausüben.In order to obtain a circumferentially sufficiently large connection force between the membrane and press plate, circumferential clamping strips can be provided on the edge strips of the press plate, the edge strips of the membrane between them and the press plate clamped fluid-tight. In this case, along the edge strips circumferentially distributed arranged connecting elements, in particular in the form of screws, bolts, rivets or staples each exert a clamping force on the diaphragm, press plate and possibly intervening adhesive and / or sealant edge seal.

Um ein seitliches Ausweichen des Presspolsters unter dem Pressdruck zu vermeiden, können die Klemmleisten einen Spaltbereich zwischen der Heizplatte und dem Pressblech, so wie dieser im Pressbetrieb gegeben ist, im Wesentlichen vollständig verschließen und somit Stirnseiten der Membran umlaufend seitlich abstützen.In order to avoid a lateral deflection of the press pad under the pressing pressure, the terminal strips can substantially completely close a gap region between the heating plate and the press plate, as this is given in the pressing operation and thus laterally support end sides of the membrane.

Um den im Pressenbetrieb vorherrschenden Beanspruchungen Stand zu halten, sollte die Membran aus einem Folienmaterial mit einer Dicke zwischen 0,1 mm und 10 mm, vorzugsweise zwischen 1 mm und 3mm, bestehen. Zur Erhöhung der Festigkeit kann die Membran mit einer Verstärkungseinlage, insbesondere mit einem Gewebe oder auch einem alternativen textilen Flächengebilde aus metallischen und/oder polymeren Fäden versehen sein, wobei die Verstärkungseinlage vollständig in das Folienmaterial eingebettet sein sollte, um eine möglichst glatte Oberfläche der Membran zu erreichen. Eine glatte Oberfläche mit geringer Rauigkeit ist wichtig, um eine große Kontaktfläche zu dem Pressblech bzw. zu der Heizplatte zu erhalten, wodurch der Wärmeübergang begünstigt wird. Die Membran kann auch so hergestellt werden, dass auf die Verstärkungseinlage das Polymermaterial aufgerakelt wird, wobei die Einlage dabei mehr oder weniger vollständig eingebettet werden kann.In order to withstand the stresses prevailing in the press operation, the membrane should consist of a foil material with a thickness of between 0.1 mm and 10 mm, preferably between 1 mm and 3 mm. To increase the strength of the membrane may be provided with a reinforcing insert, in particular with a fabric or an alternative textile fabric of metallic and / or polymeric threads, wherein the reinforcing insert should be completely embedded in the film material to the smoothest possible surface of the membrane to reach. A smooth surface with low roughness is important in order to obtain a large contact surface to the press plate or to the heating plate, whereby the heat transfer is favored. The membrane can also be made so that the polymeric material is doctored onto the reinforcing insert, whereby the insert can be embedded more or less completely.

Zur weiteren Steigerung des Wärmedurchgangs durch das Presspolster kann das Folienmaterial der Membran mit wärmeleitenden anorganischen Zuschlagsstoffen, insbesondere mit Metallpulver und/oder Quarzpulver, angereichert sein. Bei solchermaßen die Wärmeleitfähigkeit erhöhenden Stoffen kann es sich beispielsweise um Aluminiumoxid, Bornitrid oder Quarzmehl handeln. Der Anteil der Zusatzstoffe darf ein gewisses Maß, insbesondere ca. 40 %, möglichst nicht übersteigen, damit die Elastizität und Flexibilität der Membran erhalten bleibt.To further increase the heat transfer through the press pad, the film material of the membrane with heat-conducting inorganic additives, in particular with metal powder and / or quartz powder, be enriched. In such a heat conductivity-increasing substances may be, for example, alumina, boron nitride or quartz powder. The proportion of additives must not exceed a certain extent, in particular approximately 40%, if possible, so that the elasticity and flexibility of the membrane is maintained.

In Anbetracht der erforderlichen Arbeitstemperaturen der fraglichen Plattenpressen kann das Material der flüssigen Polsterschicht aus langkettigen und/oder zyklischen Kohlenwasserstoffen, insbesondere Hydrauliköl, dem die Wärmeleitfähigkeit erhöhende Zuschlagsstoffen zugesetzt sein können, oder aus bei der Betriebstemperatur der Plattenpresse flüssigem Metall oder einer Metalllegierung, insbesondere einer Blei und/oder Zinn und/oder Wismut enthaltenden Legierung, bestehen.In view of the required working temperatures of the plate presses in question, the material may be added to the liquid cushioning layer of long and / or cyclic hydrocarbons, in particular hydraulic oil, to which the thermal conductivity enhancing additives may be added, or to liquid metal or a metal alloy, in particular a lead, at the operating temperature of the platen press and / or tin and / or bismuth-containing alloy.

Um während des Pressbetriebs über den mit der flüssigen Polsterschicht ausgefüllten Raum den Druck und/oder die Temperatur innerhalb des Presspolsters verändern zu können, kann ein Kanal für die Zufuhr und Abfuhr des Materials der flüssigen Polsterschicht vorgesehen sein, wobei der Kanal die Membran und/oder das Pressblech durchdringt und wechselweise verschließbar und öffenbar ist.In order to be able to change the pressure and / or the temperature within the press pad during the pressing operation over the space filled with the liquid cushion layer, a channel for the supply and removal of the material of the liquid cushion layer can be provided, wherein the channel is the membrane and / or penetrates the press plate and is alternately closed and opened.

Schließlich wird die erfindungsgemäße Aufgabe auch durch eine Pressblech-PresspolsterEinheit gelöst, die aus einem metallischen Pressblech und einer aus einem flexiblen Polymermaterial bestehenden Membran besteht, wobei die Membran und das Pressblech in jeweiligen Randstreifen fluiddicht miteinander verbunden, insbesondere verklebt und/oder verklemmt und/oder verpresst, sind und wobei das Pressblech und die Membran zwischen sich einen abgeschlossenen Raum definieren, der mit einem Material befüllt oder befüllbar ist, das bei Betriebstemperatur einer Plattenpresse eine Flüssigpolsterschicht bildet. Wie bereits weiter oben ausgeführt, lässt sich eine derartige Pressblech-Presspolster-Einheit bei bestehenden Plattenpressen einsetzen, wenn von dem Prinzip textiler Presspolster zu dem Prinzip eines Flüssigkeitspolsters gewechselt werden soll.Finally, the object according to the invention is also achieved by a press plate press pad unit which consists of a metallic press plate and one of a flexible polymer material existing diaphragm, wherein the membrane and the press plate in respective edge strips fluid-tightly interconnected, in particular glued and / or jammed and / or pressed, and wherein the press plate and the membrane define between them a closed space which is filled with a material or filled is that forms a liquid cushion layer at the operating temperature of a platen press. As stated above, such a press plate press pad unit can be used in existing plate presses, if the principle of textile press pad to the principle of a liquid cushion to be changed.

Ausführungsbeispieleembodiments

Die Erfindung wird nachfolgend anhand zweier Ausführungsbeispiele von Plattenpressen, die in der Zeichnung schematisch dargestellt sind, näher erläutert.The invention will be explained in more detail with reference to two embodiments of plate presses, which are shown schematically in the drawing.

Es zeigt:

Fig. 1:
Einen Querschnitt durch eine erste Ausführungsform einer Plattenpresse mit einer Pressblech-Presspolster-Einheit und
Fig.1a:
einen vergrößerten Ausschnitt des Randverbunds der Plattenpresse gemäß Figur 1.
  • :
  • :
It shows:
Fig. 1:
A cross-section through a first embodiment of a platen press with a press plate press pad unit and
1a:
an enlarged section of the edge composite of the platen press according to FIG. 1 ,
  • :
  • :

Eine in Figur 1 nur ausschnittsweise und schematisch dargestellte Plattenpresse 1, die neben den abgebildeten Bauteilen in bekannter Weise auch mit einer Mehrzahl von in Pressenlängsrichtung angeordneten Pressenrahmen mit Oberholmen und Unterholmen und mit auf den Oberholmen oder Unterholmen abgestützten Hydraulikzylindern ausgestattet ist, weist darüber hinaus eine Heizplatte 2, eine Membran 3, eine Polsterschicht 4 aus einem flüssigen Material, ein Pressblech 5 sowie einen Pressling 6 auf. Bei einer Einetagenpresse ist der Aufbau derselben symmetrisch zu einer Symmetrieebene 7, die auch die Mittelebene des Presslings 6 ist. Bei Mehretagenpressen schließt sich an eine nicht dargestellte untere Heizplatte wiederum ein drittes Presspolster an, das von einem zweiten Pressling gefolgt wird. Der Aufbau kann sich über eine Mehrzahl von Etagen auf dieselbe Weise fortsetzen. Der Einfachheit halber soll bei der nachfolgenden Beschreibung lediglich auf die Anordnung oberhalb der Symmetrieebene 7 eingegangen werden.An in FIG. 1 only partially and schematically illustrated platen press 1, which is equipped in a known manner with a plurality of arranged in the press longitudinal direction press frame with upper struts and lower struts and with supported on the upper struts or Unterholmen hydraulic cylinders in addition to the components shown, moreover, a heating plate 2, a membrane 3, a cushion layer 4 made of a liquid material, a press plate 5 and a compact 6 on. In a Einetagenpresse is the structure the same symmetrical to a plane of symmetry 7, which is also the median plane of the compact 6. In multi-floor presses, a lower heating plate, not shown, is adjoined in turn by a third press pad followed by a second compact. The structure may continue over a plurality of floors in the same way. For the sake of simplicity, only the arrangement above the plane of symmetry 7 will be discussed in the following description.

Die als metallische Gussplatte ausgebildete Heizplatte 2 besitzt eine Mehrzahl von diese durchziehenden Heizkanälen 8, in denen flüssiges Thermoöl zirkuliert, das auf die erforderliche Betriebstemperatur bzw. um ein gewisses Maß darüber hinaus erhitzt wurde. Eine Unterseite der Heizplatte 9 steht in flächigem, wärmeleitendem Kontakt mit der aus einem Silikonelastomer bestehenden, flexiblen und eine gewisse Elastizität aufweisenden Membran 3. Im Inneren der aus einem Folienmaterial bestehenden Membran 3 befindet sich eine vollständig in das Silikonmaterial eingebettete Verstärkungseinlage in Form eines aus Aramidfäden bestehenden Gewebes.The heating plate 2 formed as a metallic cast plate has a plurality of these passing through heating channels 8, in which circulates liquid thermal oil, which has been heated to the required operating temperature or to a certain extent beyond. An underside of the heating plate 9 is in surface, heat-conducting contact with the consisting of a silicone elastomer, flexible and having a certain elasticity membrane 3. Inside the consisting of a film material membrane 3 is a fully embedded in the silicone material reinforcing insert in the form of aramid fibers existing tissue.

Die Membran 3 bildet zusammen mit dem aus Stahlblech mit einer dem Pressling 6 zugewandten Chromschicht versehenen Pressblech 5 eine Pressblech-Presspolster-Einheit 10, die mit nicht näher dargestellten Befestigungsmitteln während des Pressbetriebs an der Heizplatte 2 befestigt ist, von dieser jedoch sehr leicht lösbar ist, ohne dass die Einheit aufgehoben werden müsste. Das Presspolster selbst besteht aus der oberhalb des Pressblechs 5 angeordneten flüssigen Polsterschicht 4, die im vorliegenden Fall aus einer Blei-Zinn-Legierung mit einem Schmelzpunkt von ca. 70°C bis 80°C besteht und der die Polsterschicht 4 oberhalb des Pressblechs 5 einschließenden Membran 3.The membrane 3, together with the press plate 5, which is made of sheet steel with a chromium layer facing the compact 6, forms a press plate press pad unit 10, which is fastened to the heating plate 2 during the pressing operation by means of fasteners not shown, but is very easily detachable therefrom without having to cancel the unit. The press pad itself consists of the above the press plate 5 arranged liquid cushion layer 4, which consists in the present case of a lead-tin alloy having a melting point of about 70 ° C to 80 ° C and the cushion layer 4 above the press plate 5 enclosing Membrane 3.

Wie sich insbesondere aus Figur 1a ergibt, erfolgt die Abdichtung eines Raumes 11, in dem sich die flüssige Polsterschicht 4 befindet, in umlaufend um die Heizplatte 2 herum angeordneten Randstreifen 12, die über einen Umriss 13 der Heizplatte nach außen vorstehen. In den Randstreifen 12 sind oberhalb der Membran 3 gleichfalls umlaufende Klemmleisten 14 angeordnet, die mittels Schrauben 15 mit dem Pressblech 5 verspannt sind und auf diese Weise die dazwischen befindliche Mem-bran 3 einklemmen und damit den Raum 11 fluiddicht verschließen. Die Klemmleisten 14 können so geformt sein, dass sie einen sich senkrecht zu der Symmetrieebene 7 erstreckenden Spaltbereich 16 zwischen dem Pressblech 5 und der Unterseite 9 der Heizplatte 2 im Wesentlichen verschließen, so dass sich im Betriebszustand der Presse die Membran im Bereich der Randstreifen 12 gegen die hinreichend steife Klemmleiste 14 abstützen kann, so dass ein übermäßiges Ausdehnen der Membran in den ansonsten ungeschützten Spaltbereichen 16 verhindert wird. In Figur 1 ist die Klemmleiste 14 jedoch als flacher Rechteckquerschnitt, der parallel zu dem Pressblech 5 verläuft, dargestellt. Im Bereich der Klemmleisten 14 befindet sich zwischen der Membran 3 und dem Pressblech 5 eine Klebstoffschicht K, die neben einer vergrößerten Festigkeit des Randverbunds auch eine größere Dichtigkeit bewirkt.As can be seen in particular FIG. 1a results, the sealing of a space 11, in which the liquid cushion layer 4 is located in circumferentially around the heating plate 2 arranged around edge strips 12, which project beyond an outline 13 of the heating plate to the outside. In the edge strips 12 3 circumferential clamping strips 14 are also arranged above the membrane, which are braced by means of screws 15 with the press plate 5 and clamp in this way the interposed mem brane 3 and thus close the space 11 fluid-tight. The clamping strips 14 may be shaped such that they substantially close a gap region 16 extending perpendicular to the plane of symmetry 7 between the press plate 5 and the underside 9 of the heating plate 2, so that in the operating state of the Press the membrane in the region of the edge strips 12 can be supported against the sufficiently rigid terminal block 14, so that excessive expansion of the membrane in the otherwise unprotected gap regions 16 is prevented. In FIG. 1 However, the terminal block 14 is shown as a flat rectangular cross-section which is parallel to the press plate 5, shown. In the region of the clamping strips 14 is located between the membrane 3 and the press plate 5, an adhesive layer K, which also causes a greater tightness in addition to an increased strength of the edge seal.

In den Spaltbereichen 16 der Membran 3 kann ein Anschluss 17 für eine Leitung zur Befüllung des Raumes 11 mit dem Material der flüssigen Polsterschicht 4 angeordnet sein. Mit Hilfe einer Hydraulik-Pumpe 19 kann der Druck innerhalb der flüssigen Polsterschicht 4 während des Pressbetriebs oder zuvor eingestellt werden.In the gap regions 16 of the membrane 3, a connection 17 for a line for filling the space 11 with the material of the liquid cushion layer 4 may be arranged. By means of a hydraulic pump 19, the pressure within the liquid cushioning layer 4 during the pressing operation or previously set.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Plattenpresseplaten press
22
Heizplatteheating plate
33
Membranmembrane
44
Polsterschichtcushion layer
55
Pressblechpress plate
66
Presslingcompact
77
Symmetrieebeneplane of symmetry
88th
Heizkanalheating duct
99
Unterseitebottom
1010
Pressblech-Presspolster-EinheitPress plate-press cushion unit
1111
Raumroom
1212
Randstreifenedge strips
1313
Umrissoutline
1414
Klemmleisteterminal block
1515
Schraubescrew
1616
Spaltbereichgap region
1717
Anschlussconnection
1818
Leitungmanagement
1919
Hydraulikpumpehydraulic pump

Claims (7)

  1. A plate press (1), in particular a one-level or multilevel cycle press, comprising at least one heating plate (2), at least one press plate (5) and at least one press cushion which is disposed between the press plate (5) and the heating plate (2) and has at least one cushion layer (4) which is liquid at least at the operating of the plate press (1) and which is defined on one side by a fluid-tight membrane (3), wherein the press plate is situated on a side facing a press blank and wherein the membrane (3) is situated on a side opposite the press plate (5) and includes a flexible polymer material, in particular an elastomer material, preferably a silicone, fluorine or a silicone-fluorine mix elastomer, or a fluorine-tetra-polymer, characterized in that the membrane (3) and the press plate (5) are circumferentially connected to one another, namely glued or presses together, in a fluid-tight manner in edge strips (12), each of which protrudes beyond a circumference (13) of the heating plate (2).
  2. The plate press (1) according to claim 1, characterized by circumferential clamping bars (14) which are disposed at the edge strips (12) of the press plate (5) and which clamp the edge strips (12) of the membrane (3) between themselves and the press plate (5) in a fluid-tight manner, wherein connection elements, in particular in the form of screws (15), bolts, rivets or clamps, disposed circumferentially distributed along the edge strips (12) exert in each case a clamping force on the edge bond.
  3. The plate press (1) according to claim 2, characterized in that the clamping bars (12) close a gap region (16) substantially completely between the heating plate (2) and the press plate (5) as soon as the gap occurs during the pressing operation and therefore circumferentially and laterally supports the end faces of the membrane (3).
  4. The plate press according to any one of claims 1 to 3, characterized in that the membrane (3) is made of a foil material having a thickness between 0.1 mm and 10 mm, preferably between 1 mm and 3 mm, and is provided with a reinforcement insert, in particular a fabric made of metallic and/or polymeric threads, wherein the reinforcement insert is completely embedded in the foil material.
  5. The plate press according to claim 4, characterized in that the foil material is provided with heatconducting inorganic additives, in particular with metal powder and/or powdered silica.
  6. The plate press according to any one of claims 1 to 5, characterized in that the liquid cushion layer (4) is composed of long-chain and/or cyclical carbon hydrocarbons, in particular hydraulic oil, to which the additives increasing heat conductivity are added, or of a metal or a metal alloy that is liquid at the operating temperature of the plate press (1), in particular an alloy containing lead and/or tin and/or bismuth.
  7. The plate press according to any one of the claims 1 to 6, characterized by a channel (24) which extends through the membrane (3) and/or the press plate (5) and can be closed and opened for feeding or discharging the material of the liquid cushion layer (4).
EP08105863.8A 2008-11-25 2008-11-25 Plate press and pressed sheet-pressed cushion unit Active EP2189276B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP08105863.8A EP2189276B1 (en) 2008-11-25 2008-11-25 Plate press and pressed sheet-pressed cushion unit
ES08105863.8T ES2586606T3 (en) 2008-11-25 2008-11-25 Press plate and press plate unit-press pad
PL08105863.8T PL2189276T3 (en) 2008-11-25 2008-11-25 Plate press and pressed sheet-pressed cushion unit
CA2685801A CA2685801C (en) 2008-11-25 2009-11-18 Plate press
CN200910225940.XA CN101733949B (en) 2008-11-25 2009-11-23 Plate press and pressed sheet-pressed cushion unit
RU2009143439/02A RU2520873C2 (en) 2008-11-25 2009-11-24 Platen press, assembly of caul plate and press pad
US12/592,459 US8261803B2 (en) 2008-11-25 2009-11-25 Plate press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08105863.8A EP2189276B1 (en) 2008-11-25 2008-11-25 Plate press and pressed sheet-pressed cushion unit

Publications (2)

Publication Number Publication Date
EP2189276A1 EP2189276A1 (en) 2010-05-26
EP2189276B1 true EP2189276B1 (en) 2016-05-18

Family

ID=40527402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105863.8A Active EP2189276B1 (en) 2008-11-25 2008-11-25 Plate press and pressed sheet-pressed cushion unit

Country Status (7)

Country Link
US (1) US8261803B2 (en)
EP (1) EP2189276B1 (en)
CN (1) CN101733949B (en)
CA (1) CA2685801C (en)
ES (1) ES2586606T3 (en)
PL (1) PL2189276T3 (en)
RU (1) RU2520873C2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010036539B4 (en) 2010-07-21 2013-04-11 Hueck Rheinische Gmbh Press pad for a hydraulic press
DE102010040886B4 (en) * 2010-09-16 2016-07-28 Spaleck-Stevens Innotech Gmbh & Co. Kg Lamination device and use of a film in a lamination device
CN101947866B (en) * 2010-09-18 2012-02-29 无锡市拓发自控设备有限公司 Stroke-adjustable multistage buffer gas cushion
DE102012207174B4 (en) 2012-04-30 2014-08-28 Bundesdruckerei Gmbh Apparatus for laminating lamination, method of mounting a press pad in the apparatus and method of detecting a crack in the press pad
CZ304597B6 (en) * 2013-03-26 2014-07-23 Univerzita Tomáše Bati ve Zlíně Pressure membrane for vacuum molding of polymer composite parts
CN103448111A (en) * 2013-09-02 2013-12-18 昆山硕华模具板有限公司 Hot pressing plate for pressing wood panel
ES2656302T3 (en) * 2014-03-19 2018-02-26 Hueck Rheinische Gmbh Pressure plate or endless band with RFID transponder
DE102014112320B4 (en) * 2014-08-27 2016-12-15 Benteler Automobiltechnik Gmbh Press forming tool with compensation pad
DE202015006923U1 (en) * 2015-10-02 2015-10-16 Rolf Espe Press pad for use in hydraulic single or multi-floor heating presses
US10438919B1 (en) 2016-06-28 2019-10-08 Northrop Grumman Systems Corporation Passive hydraulic load leveler for thermal compression bonding
EP3595883A1 (en) * 2017-03-17 2020-01-22 SABIC Global Technologies B.V. Press platens having fluid-driven variable pressing surface geometry and related methods
DE102018133542A1 (en) * 2018-12-21 2020-06-25 Hueck Rheinische Gmbh Press pad and process for its manufacture
AT522552B1 (en) 2019-04-15 2023-10-15 Typs Gmbh Mold set for a ski press
CN113002038B (en) * 2019-12-19 2023-04-07 倍科有限公司 Press device and press method
CN111806045A (en) * 2020-07-03 2020-10-23 重庆中航新型材料科技有限公司 Special equipment for producing composite energy-saving plate
DE102021000928A1 (en) * 2021-02-22 2022-08-25 Siempelkamp Maschinen- Und Anlagenbau Gmbh Press for processing a workpiece
IT202100005288A1 (en) * 2021-03-08 2022-09-08 Euronobilitazione S R L DEVICE AND METHOD FOR THE APPLICATION OF SHEETS IN RELIEF ON PANELS
DE202022002690U1 (en) * 2022-12-30 2024-01-04 Hueck Rheinische Gmbh Press pad can be used universally and fixed in hydraulic multi-daylight presses with heating and cooling

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724056A1 (en) * 1977-05-27 1978-11-30 Freudenberg Carl Fa COMPENSATION PLATE FOR PRESS TOOL
JPH08192300A (en) * 1995-01-13 1996-07-30 Hitachi Techno Eng Co Ltd Hot press
DE102005020486A1 (en) * 2004-11-02 2006-05-04 Theodor Hymmen Holding Gmbh Intermittent processing press for processing workpieces comprises a fluid filling for a uniform flat pressing provided between an elastically deformable pressing plate and a pressure plate in a space

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2045586A1 (en) 1969-06-03 1971-03-05 Materiel Telephonique
DE2026258A1 (en) * 1970-05-29 1971-12-09 Kalle Ag Method and device for the manufacture of a format flat structure
JPS60151048A (en) * 1984-01-19 1985-08-08 日立化成工業株式会社 Manufacture of laminated board
DE3921364A1 (en) * 1989-06-29 1991-01-03 Held Kurt CONTINUOUSLY WORKING DOUBLE BAND PRESS
US5352321A (en) * 1989-06-29 1994-10-04 Kurt Held Continuously operating double band press
DE3935562A1 (en) * 1989-10-25 1991-05-02 Friz Maschinenbau Gmbh Bag press for e.g. veneering shapes - has fixed lower platen with vacuum bores and moving frame with pressurised membrane contg. fabrics with embedded polyester heater element
DE4116324A1 (en) * 1991-05-16 1992-11-19 Presatex Gmbh Thermal press for (e.g.) textiles - uses inflatable membrane to raise workpiece to heating element on upper press plate
RU2062236C1 (en) * 1993-08-23 1996-06-20 Акционерное общество "Пресс Инжиниринг Лимитед" Hydraulic press
JP3205443B2 (en) * 1993-09-20 2001-09-04 株式会社名機製作所 Hot plate and hot press equipment for hot press equipment
JP3098003B2 (en) * 1998-09-24 2000-10-10 日清紡績株式会社 Laminating equipment for solar cells
DE19937694B4 (en) 1999-08-10 2004-11-25 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Plate press, especially one-day press
JP2005516132A (en) * 2002-01-29 2005-06-02 メッツォ ペーパー インコーポレイテッド Coated or uncoated fiber web processing apparatus and method of operation thereof
RU2235642C2 (en) * 2002-07-23 2004-09-10 Кручинина Галина Николаевна Compensating pad for forming press
DE10316774B4 (en) * 2003-04-11 2010-08-19 Metzeler Technical Rubber Systems Gmbh Membrane for laminators for the production of photovoltaic cells
DE102005020468A1 (en) 2005-04-29 2006-11-02 Albrecht Bäumer GmbH & Co.KG Machine holding-down clamp for machines on which soft material blocks are machined or cut has bearing elements which are mounted on bars so that they are height-adjustable whereby bearing elements support holding-down clamp frame

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724056A1 (en) * 1977-05-27 1978-11-30 Freudenberg Carl Fa COMPENSATION PLATE FOR PRESS TOOL
JPH08192300A (en) * 1995-01-13 1996-07-30 Hitachi Techno Eng Co Ltd Hot press
DE102005020486A1 (en) * 2004-11-02 2006-05-04 Theodor Hymmen Holding Gmbh Intermittent processing press for processing workpieces comprises a fluid filling for a uniform flat pressing provided between an elastically deformable pressing plate and a pressure plate in a space

Also Published As

Publication number Publication date
CN101733949A (en) 2010-06-16
RU2520873C2 (en) 2014-06-27
CN101733949B (en) 2015-05-20
CA2685801A1 (en) 2010-05-25
EP2189276A1 (en) 2010-05-26
US8261803B2 (en) 2012-09-11
US20100200172A1 (en) 2010-08-12
RU2009143439A (en) 2011-05-27
CA2685801C (en) 2015-11-24
ES2586606T3 (en) 2016-10-17
PL2189276T3 (en) 2016-11-30

Similar Documents

Publication Publication Date Title
EP2189276B1 (en) Plate press and pressed sheet-pressed cushion unit
DE60225643T2 (en) Method and device for hot pressing a workpiece
EP0158234B1 (en) Planular sandwich-structured body
EP2611594B1 (en) Method of making a microfluidic device and related laminating apparatus
EP2335001B1 (en) Component made of a stack of ceramic plates
EP3356129B1 (en) Single- or multi-level hot press, method for producing a press pad
DE102007062872A1 (en) Method for producing a profile from fiber composite material
DE2319593A1 (en) PRESSURE COMPENSATOR FOR HEATING PLATE PRESSES
DE19937694B4 (en) Plate press, especially one-day press
DE102010036539B4 (en) Press pad for a hydraulic press
DE2421296A1 (en) METHOD AND DEVICE FOR MANUFACTURING CONTINUOUS LAMINATES
AT503038B1 (en) Press device for multi-layer flat components of wood material, has micro-wave control device and microwave generator with support plate
EP2085212A1 (en) Multilayer reinforced fibre thermoplastic flat material and method for production of same
DE19718857A1 (en) Short-cycle heated press laminating surfacings to woodenpanels
DE3028400C2 (en) Device for repairing and making conveyor belts made of rubber or plastic
DE2546944B2 (en) Hot platen press with expanding body and method for producing the same
DE202007006767U1 (en) Press pad e.g. for multi-story press for laminate production, has textile planar formation and press pad in boundary region has thickness which is bigger than thickness within central range of press pad
DE10048871A1 (en) Static elastomeric joint for water pump, cam cover, wing nut, carburetor, fuel valve, hoses, etc., has compressible elastomeric element in cavity formed between two stops on support surface
AT521880A2 (en) Method and device for consolidating a fiber composite structure
DE102016201405A1 (en) heat exchanger plate
DE10246872B4 (en) Coating press for sheet-like workpieces, has pressure compensating cushions which are being hydraulic cushions having closure, hydraulic medium, and covers which define pressure-tight inner space along with closure
DE112016007514B4 (en) Heat insulation plate, heat insulation structure for tire vulcanizer and vulcanization method for green tire
DE202007006464U1 (en) Heating plate for tempering large areas especially in hydraulic presses is assembled from metal sections with integral cooling ducts
DE2007400B2 (en) Manufacture of heat exchangers from flat sheets - using common source of pressure for forming channels and for clamping
EP1803548A1 (en) Heating plate for platen press

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090701

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20110705

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20160212

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

Ref country code: AT

Ref legal event code: REF

Ref document number: 800064

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160615

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502008014219

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20160518

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2586606

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20161017

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

Ref country code: NO

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

Effective date: 20160818

Ref country code: NL

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

Effective date: 20160518

Ref country code: FI

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

Effective date: 20160518

Ref country code: LT

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

Effective date: 20160518

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

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

Ref country code: SE

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

Effective date: 20160518

Ref country code: GR

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

Effective date: 20160819

Ref country code: LV

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

Effective date: 20160518

Ref country code: PT

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

Effective date: 20160919

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

Ref country code: IT

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

Effective date: 20160518

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

Ref country code: RO

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

Effective date: 20160518

Ref country code: DK

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

Effective date: 20160518

Ref country code: EE

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

Effective date: 20160518

Ref country code: CZ

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

Effective date: 20160518

Ref country code: SK

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

Effective date: 20160518

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502008014219

Country of ref document: DE

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

Ref country code: BE

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

Effective date: 20161130

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20170221

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

Ref country code: SI

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

Effective date: 20160518

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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

Ref country code: LU

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

Effective date: 20161130

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

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

Ref country code: IE

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

Effective date: 20161125

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20161130

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

Ref country code: HU

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

Effective date: 20081125

Ref country code: CY

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

Effective date: 20160518

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

Ref country code: MC

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

Effective date: 20160518

Ref country code: IS

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

Effective date: 20160518

Ref country code: HR

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

Effective date: 20160518

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

Ref country code: BG

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

Effective date: 20160518

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

Ref country code: MT

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

Effective date: 20160518

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

Ref country code: TR

Payment date: 20201116

Year of fee payment: 13

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

Ref country code: DE

Payment date: 20201130

Year of fee payment: 13

Ref country code: AT

Payment date: 20201118

Year of fee payment: 13

Ref country code: CH

Payment date: 20201123

Year of fee payment: 13

Ref country code: GB

Payment date: 20201126

Year of fee payment: 13

Ref country code: FR

Payment date: 20201126

Year of fee payment: 13

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

Ref country code: PL

Payment date: 20201116

Year of fee payment: 13

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

Ref country code: ES

Payment date: 20201218

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502008014219

Country of ref document: DE

Representative=s name: BAUER WAGNER PELLENGAHR SROKA PATENT- & RECHTS, DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502008014219

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 800064

Country of ref document: AT

Kind code of ref document: T

Effective date: 20211125

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

Effective date: 20211125

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

Ref country code: LI

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

Effective date: 20211130

Ref country code: CH

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

Effective date: 20211130

Ref country code: AT

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

Effective date: 20211125

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

Ref country code: GB

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

Effective date: 20211125

Ref country code: DE

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

Effective date: 20220601

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

Ref country code: FR

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

Effective date: 20211130

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20230222

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

Ref country code: ES

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

Effective date: 20211126

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

Ref country code: PL

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

Effective date: 20211125