EP0710541A1 - Apparatus for the continuous manufacture of multilayer flat products - Google Patents

Apparatus for the continuous manufacture of multilayer flat products Download PDF

Info

Publication number
EP0710541A1
EP0710541A1 EP94116047A EP94116047A EP0710541A1 EP 0710541 A1 EP0710541 A1 EP 0710541A1 EP 94116047 A EP94116047 A EP 94116047A EP 94116047 A EP94116047 A EP 94116047A EP 0710541 A1 EP0710541 A1 EP 0710541A1
Authority
EP
European Patent Office
Prior art keywords
pressure
belt
press
pressure plate
hoses
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94116047A
Other languages
German (de)
French (fr)
Other versions
EP0710541B1 (en
Inventor
Rolf Dipl.-Ing. Röttger
Rudolf Dipl.-Ing. Heinrich
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.)
Theodor Hymmen KG
Original Assignee
Theodor Hymmen KG
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 Theodor Hymmen KG filed Critical Theodor Hymmen KG
Priority to EP94116047A priority Critical patent/EP0710541B1/en
Priority to ES94116047T priority patent/ES2116499T3/en
Priority to DE59406095T priority patent/DE59406095D1/en
Priority to US08/325,674 priority patent/US5601015A/en
Publication of EP0710541A1 publication Critical patent/EP0710541A1/en
Application granted granted Critical
Publication of EP0710541B1 publication Critical patent/EP0710541B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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 the continuous production of multilayer, flat materials, in which the layered materials are guided between two press belts forming a reaction zone, heated there and pressure is exerted on the layered materials by at least one press belt, this press belt being applied in the reaction zone the side facing away from the layer is assigned at least one pressure chamber which is charged with a gaseous or liquid pressure medium and which cooperates with a pressure plate on the side facing away from the press belt.
  • Continuously operating presses are known (DE-PS 33 13 406), which are provided with at least one endlessly rotating belt which is pressed onto the workpiece by a pressure medium, in which the pressure medium flows into a rectangular pressure chamber adjacent to the pressure belt and sealed by means of a rotating sealing strip can be introduced on the side of the pressure plate facing the press belt, the sealing strip being connected to a correspondingly rectangular mounting frame which is guided in a groove of the pressure plate, is movably mounted inwards and outwards of the groove and is pressure-loaded in the direction of the press strip which slides along the sealing strip.
  • the gap sealed by the sealing strip with respect to the circumferential press belt can, in the event of malfunctions, due to uneven wear of the sealing strips, a clamping of the frame in the Groove of the pressure plate, a change in the width of the workpiece or the like. lead to a loss of pressure medium, which can result in surface defects in the product.
  • pressure medium can flow out through the gap between the sealing strip and the press belt in the event of a malfunction during operation.
  • the invention has for its object to design a device of the type mentioned so that a delimitation of the pressure chamber directly by the press belt and thus a sealing gap between the rotating press belt and the lateral boundary of the pressure chamber is eliminated.
  • the pressure spaces are formed as juxtaposed elastic hoses, which are acted upon with a pressure medium on the inside and which are connected to one another at the end by distributor channels.
  • the pressure chamber can also be on the press belt facing Side be bounded by an elastic membrane, which is fixed at its free edge against the atmosphere absolutely close to the pressure plate. Since the pressure chamber or the pressure chambers are formed by these tightly closed cushions acted upon by the pressure medium, a format change can be carried out on the device on the device without this having an adverse effect on the tightness of the pressure cushions.
  • slide film is arranged as a separate functional part between the pressure pad and the endlessly circulating belt, this slide film, which is a wearing part, can be exchanged in a simple manner.
  • the heat generated due to the friction between the wear foil and the endlessly rotating belt can be used as process heat.
  • the double belt press according to FIG. 1 has endlessly rotating press belts 1, the working strands of which in the reaction zone 2 limit a press nip for the workpiece 3, which passes through the double belt press in the direction of arrow 4.
  • the reaction zone is formed on each side by a pressure plate 5 and a pressure iron 6.
  • the pressure plate 5 is composed of an insulating plate 7 and a heating plate 8.
  • the pressure pad 6 is formed in the exemplary embodiment according to FIGS. 1 to 4 and according to FIG. 6 by self-elastic hoses 10 which extend transversely to the press belts 1, are arranged next to one another and are acted upon on the inside with a pressure medium.
  • This pressure medium can be gaseous or liquid or hydropneumatic.
  • the pressure pad 6 is shown in plan.
  • the interiors of the hoses 10 lying next to one another are connected to one another on the longitudinal sides of the pressure pad by distributor channels 11, so that the pressure medium is introduced into one of these distributor channels, which can be formed by metal parts.
  • the pressure medium can be designed to be standing or to run all round.
  • a sliding film 12 is arranged between the pressure pad 6 and the circumferential press belt 1, which can consist of polytetrafluoroethylene and is fixed on the front end 13 of the pressure plate 5, which extends transversely to the press belt.
  • the setting can be done by screws 14 so that the sliding film can be replaced as a wearing part in a simple manner.
  • the other end of the slide film lies freely on the working strand of the press belt 1.
  • FIG. 6 shows an exemplary embodiment in which the sliding film 12 arranged between the pressure pad formed by tubes 10 and the press belt 1 is detachably fastened to both end faces 15, 16 of the pressure plate 17.
  • the sliding film can also be designed as an endless belt that runs around the printing plate.
  • FIG 3 shows a partial section of a double belt press in idle mode, in which the inner spaces of the tubes 10 are filled with a pressure medium, but the tubes 10 are not deformed, and thus limit the press nip.
  • FIG. 4 shows the part of the double belt press according to FIG. 3 in production operation. Due to the thickness of the workpiece 3, which passes through the reaction zone of the double belt press, the inherently elastic hoses 10 are deformed elliptically.
  • Any format of a workpiece can be passed through the reaction zone without leakage and pressure medium flowing into the atmosphere in the area of the pressure pads.
  • FIG. 5 shows an exemplary embodiment in which the pressure space 18 is delimited by an elastic membrane 19, which is at its free edge 20 is fixed close to the pressure plate 5.
  • the working pressure is built up by a pressure medium which is introduced through the pressure plate and which can be gaseous or liquid.
  • a slide film 21 is also arranged between the membrane 19 and the press belt 1 of the belt press.
  • this slide film is releasably attached exclusively to the end face 13 of the pressure plate 5 by means of screws 14.
  • the sliding film can also be designed as an outer layer of the membrane. It can also form an inner coating of the press belt interacting with the pressure chamber.
  • the tubes 10 can also be provided with a sliding layer on the outside, so that the sliding film 12 is omitted.
  • the pressure pad 6 assigned to each press belt 1 and the pressure plate 17 consist of several mutually independent structural units 22, so that the production operation can continue even if a structural unit has to be replaced.
  • the pressure plates 17 have horizontal guide tracks 23 which extend transversely to the press belt and are slidably mounted and lockable on guide tracks 24 fixed to the frame.
  • the pressure range of the working pressure in the sealed pressure cushions extends up to 20 bar and the temperature range up to 250 ° C.
  • the device operates quietly and is easy to maintain.
  • FIG. 7 and 8 show the reaction zone of a further embodiment of a double belt press, specifically in FIG. 7 in idle mode and in FIG. 8 in press mode.
  • a pressure pad consisting of tubes 26 is arranged between the pressure plate 5 and the pressure frame 25, in which the pressure in the tubes 26 is higher than the pressure in the tubes 10, which form a pressure pad between the pressure plate 5 and the press belt 1 .
  • the pressurized hoses 26 form an elastic abutment between the pressure plate 5 and the pressure frame 25, which serves as additional thermal insulation and compensates for deflections of the pressure frame.
  • a roller carpet 27 is provided between the pressure plate 5 and the press belt 1 and is guided continuously all the way round.
  • a pressure pad Arranged between the pressure plate 5 and the pressure frame 25 is a pressure pad consisting of juxtaposed elastic hoses 26, in which a pressure medium is applied to the inside of the elastic hoses 26. At the end, the hoses 26 are connected via distribution channels for the pressure medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The device comprises one or more pressure chambers which are sealed gas- and esp. fluid-tight, relative to a press plate (5) and the associated press belts (1). The space is partially or completely defined by an elastically deformable material. A slide film (12) is positioned between the pressure chamber(s) and the press belts. The slide film may be fastened to the leading edge, or to both sides of the press plate. Winding rollers for the film may be positioned on either side of the press plate. The film may be made from a continuous tape. The pressure chamber(s) may be formed as neighbouring elastic hoses (10), which are internally charged by a pressure medium.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur kontinuierlichen Herstellung von mehrschichtigen, flächigen Materialien, in der die Schichtwerkstoffe zwischen zwei eine Reaktionszone bildenden Preßbändern geführt, dort erhitzt und durch mindestens ein Preßband auf die Schichtwerkstoffe ein Druck ausgeübt wird, wobei diesem Preßband in der Reaktionszone an der schichtabgewandten Seite mindestens ein mit einem gasförmigen oder flüssigen Druckmedium beaufschlagter, an der dem Preßband abgewandten Seite mit einer Druckplatte zusammenwirkender Druckraum zugeordnet ist.The invention relates to a device for the continuous production of multilayer, flat materials, in which the layered materials are guided between two press belts forming a reaction zone, heated there and pressure is exerted on the layered materials by at least one press belt, this press belt being applied in the reaction zone the side facing away from the layer is assigned at least one pressure chamber which is charged with a gaseous or liquid pressure medium and which cooperates with a pressure plate on the side facing away from the press belt.

Es sind kontinuierlich arbeitende, mit mindestens einem endlos umlaufenden, durch ein Druckmittel an das Werkstück gepreßten Band versehene Pressen bekannt (DE-PS 33 13 406), bei denen das Druckmittel in eine an dem Preßband angrenzende und mittels einer umlaufenden Dichtungsleiste abgedichtete, rechteckförmige Druckkammer an der dem Preßband zugekehrten Seite einer Druckplatte einleitbar ist, wobei die Dichtungsleiste mit einem entsprechend rechteckförmigen Fassungsrahmen verbunden ist, der in einer Nut der Druckplatte geführt, nuteinwärts und nutauswärts beweglich gelagert und in Richtung auf das an der Dichtungsleiste entlanggleitend angeordnete Preßband druckbelastet ist.Continuously operating presses are known (DE-PS 33 13 406), which are provided with at least one endlessly rotating belt which is pressed onto the workpiece by a pressure medium, in which the pressure medium flows into a rectangular pressure chamber adjacent to the pressure belt and sealed by means of a rotating sealing strip can be introduced on the side of the pressure plate facing the press belt, the sealing strip being connected to a correspondingly rectangular mounting frame which is guided in a groove of the pressure plate, is movably mounted inwards and outwards of the groove and is pressure-loaded in the direction of the press strip which slides along the sealing strip.

Der durch die Dichtungsleiste gegenüber dem umlaufenden Preßband abgedichtete Spalt kann bei Störfällen aufgrund einer ungleichen Abnutzung der Dichtungsleisten, eines Klemmens des Fassungsrahmens in der Nut der Druckplatte, einer Änderung der Breite des Werkstücks o.dgl. zu einem Verlust an Druckmedium führen, wodurch Oberflächenfehler beim Produkt auftreten können.The gap sealed by the sealing strip with respect to the circumferential press belt can, in the event of malfunctions, due to uneven wear of the sealing strips, a clamping of the frame in the Groove of the pressure plate, a change in the width of the workpiece or the like. lead to a loss of pressure medium, which can result in surface defects in the product.

Es ist ferner eine Vorrichtung zum Aufbringen einer Flächenpressung auf fortschreitende Werkstücke mit mindestens einem umlaufenden Preßband bekannt (DE-PS 29 37 972), das durch Druckmittel innerhalb von mit Dichtungsleisten ausgestatteten, auf der wirksamen Druckfläche des Preßbandes hintereinander angeordneten Druckkammern auf der Innenseite des Preßbandes an das Werkstück anpreßbar ist.There is also a device for applying a surface pressure to progressive workpieces with at least one rotating press belt (DE-PS 29 37 972), which is provided by pressure medium inside with sealing strips, arranged one behind the other on the effective pressure surface of the press belt pressure chambers on the inside of the press belt can be pressed against the workpiece.

Auch bei dieser Ausführung kann bei einem Störfall im Betrieb Druckmedium durch den Spalt zwischen der Dichtungsleiste und dem Preßband abströmen.In this embodiment, too, pressure medium can flow out through the gap between the sealing strip and the press belt in the event of a malfunction during operation.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art so zu gestalten, daß eine Begrenzung des Druckraumes unmittelbar durch das Preßband und damit ein Dichtungsspalt zwischen dem umlaufenden Preßband und der seitlichen Begrenzung des Druckraumes entfällt.The invention has for its object to design a device of the type mentioned so that a delimitation of the pressure chamber directly by the press belt and thus a sealing gap between the rotating press belt and the lateral boundary of the pressure chamber is eliminated.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Druckraum oder die Druckräume gas- bzw. flüssigkeitsdicht gegenüber der Druckplatte und einem endlos umlaufenden Preßband abgedichtet, von einem elastisch verformbaren Werkstoff teilweise oder vollständig begrenzt sind und zwischen dem Druckraum oder den Druckräumen und dem endlos umlaufenden Band eine Gleitfolie vorgesehen ist.This object is achieved in that the pressure chamber or the pressure chambers gas-tight or liquid-tight against the pressure plate and an endlessly rotating press belt, are partially or completely limited by an elastically deformable material and between the pressure chamber or the pressure chambers and the endlessly rotating belt a slide film is provided.

Bei einer vorteilhaften Ausführungsform sind die Druckräume als nebeneinanderliegende, innen mit einem Druckmedium beaufschlagte, elastische Schläuche ausgebildet, die endseitig durch Verteilerkanäle untereinander verbunden sind.In an advantageous embodiment, the pressure spaces are formed as juxtaposed elastic hoses, which are acted upon with a pressure medium on the inside and which are connected to one another at the end by distributor channels.

Der Druckraum kann auch an der dem Preßband zugewandten Seite durch eine elastische Membran begrenzt sein, die an ihrem freien Rand gegenüber der Atmosphäre absolut dicht an der Druckplatte festgelegt ist.
Da der Druckraum bzw. die Druckräume durch diese dicht verschlossene, innen mit dem Druckmedium beaufschlagte Kissen ausgebildet sind, kann auf der Vorrichtung ein Formatwechsel bei den Werkstücken vorgenommen werden, ohne daß sich dies nachteilig auf die Dichtigkeit der Druckkissen auswirken könnte.The pressure chamber can also be on the press belt facing Side be bounded by an elastic membrane, which is fixed at its free edge against the atmosphere absolutely close to the pressure plate.
Since the pressure chamber or the pressure chambers are formed by these tightly closed cushions acted upon by the pressure medium, a format change can be carried out on the device on the device without this having an adverse effect on the tightness of the pressure cushions.

Sofern die Gleitfolie als separates Funktionsteil zwischen dem Druckkissen und dem endlos umlaufenden Band angeordnet wird, ist diese Gleitfolie, die ein Verschleißteil darstellt, in einfacher Weise auswechselbar.If the slide film is arranged as a separate functional part between the pressure pad and the endlessly circulating belt, this slide film, which is a wearing part, can be exchanged in a simple manner.

Die aufgrund der Reibung zwischen der Verschleißfolie und dem endlos umlaufenden Band entstehende Wärme kann als Prozeßwärme ausgenutzt werden.The heat generated due to the friction between the wear foil and the endlessly rotating belt can be used as process heat.

Weitere Merkmale der Erfindung ergeben sich aus den Unteransprüchen.Further features of the invention emerge from the subclaims.

In den Zeichnungen sind Ausführungsbeispiele der erfindungsgemäßen Vorrichtung dargestellt, die im folgenden beschrieben werden.In the drawings, embodiments of the device according to the invention are shown, which are described below.

Es zeigen:

Fig. 1
eine schematische Darstellung einer Doppelbandpresse in der Seitenansicht, in der in der Reaktionszone einem jeden Preßband ein gas- bzw. flüssigkeitsdichtes Druckkissen zugeordnet ist,
Fig. 2
eine Ansicht in Richtung des Pfeiles II in Fig. 1,
Fig. 3
eine Teilansicht der Reaktionszone der Doppelbandpresse im Leerlaufbetrieb der Presse,
Fig. 4
die Reaktionszone nach der Fig. 3 beim Durchlauf eines Werkstücks,
Fig. 5
ein Druckkissen im Längsschnitt, das durch eine gegenüber der Druckplatte abgedichtete, elastische Membran begrenzt wird,
Fig. 6
die Reaktionszone einer Doppelbandpresse mit mehreren auswechselbaren Baueinheiten, die jeweils ein abgedichtetes Druckkissen aufweisen,
Fig. 7
eine Teilansicht der Reaktionszone eines weiteren Ausführungsbeispiels einer Doppelbandpresse mit einem zusätzlichen Druckkissen zwischen der Druckplatte und dem Druckrahmen im Leerlaufbetrieb der Presse,
Fig. 8
die Reaktionszone nach der Fig. 7 beim Durchlauf eines Werkstücks und
Fig. 9
eine mit Rollenteppichen ausgerüstete Doppelbandpresse im Schnitt.
Show it:
Fig. 1
1 shows a schematic illustration of a double belt press in which a gas or liquid-tight pressure pad is assigned to each press belt in the reaction zone,
Fig. 2
2 shows a view in the direction of arrow II in FIG. 1,
Fig. 3
a partial view of the reaction zone of the double belt press when the press is idling,
Fig. 4
3 during the passage of a workpiece,
Fig. 5
a pressure cushion in longitudinal section, which is delimited by an elastic membrane sealed against the pressure plate,
Fig. 6
the reaction zone of a double belt press with several interchangeable units, each of which has a sealed pressure pad,
Fig. 7
2 shows a partial view of the reaction zone of a further embodiment of a double belt press with an additional pressure pad between the pressure plate and the printing frame when the press is idling,
Fig. 8
7 during the passage of a workpiece and
Fig. 9
a double belt press equipped with roller carpets on average.

Die Doppelbandpresse nach Fig. 1 weist endlos umlaufende Preßbänder 1 auf, deren Arbeitstrume in der Reaktionszone 2 einen Preßspalt für des Werkstück 3 begrenzen, das die Doppelbandpresse in Richtung des Pfeiles 4 durchläuft. Die Reaktionszone wird auf jeder Seite durch eine Druckplatte 5 und ein Druckkisen 6 gebildet.The double belt press according to FIG. 1 has endlessly rotating press belts 1, the working strands of which in the reaction zone 2 limit a press nip for the workpiece 3, which passes through the double belt press in the direction of arrow 4. The reaction zone is formed on each side by a pressure plate 5 and a pressure iron 6.

Die Druckplatte 5 setzt sich aus einer Isolierplatte 7 und einer Heizplatte 8 zusammen.The pressure plate 5 is composed of an insulating plate 7 and a heating plate 8.

Das Druckkissen 6 wird in dem Ausführungsbeispiel nach den Fig. 1 bis 4 und nach der Fig. 6 durch eigenelastische Schläuche 10 gebildet, die sich quer zu den Preßbändern 1 erstrecken, nebeneinanderliegend angeordnet sind und innen mit einem Druckmedium beaufschlagt werden. Dieses Druckmedium kann gasförmig oder flüssig oder hydropneumatisch ausgebildet sein.The pressure pad 6 is formed in the exemplary embodiment according to FIGS. 1 to 4 and according to FIG. 6 by self-elastic hoses 10 which extend transversely to the press belts 1, are arranged next to one another and are acted upon on the inside with a pressure medium. This pressure medium can be gaseous or liquid or hydropneumatic.

In der Fig. 2 ist das Druckkissen 6 im Grundriß dargestellt. Die Innenräume der nebeneinander liegenden Schläuche 10 werden an den Längsseiten des Druckkissens durch Verteilerkanäle 11 miteinander verbunden, so daß das Druckmedium in einen dieser Verteilerkanäle, die durch Metallteile gebildet sein können, eingeführt wird. Das Druckmedium kann stehend ausgebildet oder umlaufend geführt sein.2, the pressure pad 6 is shown in plan. The interiors of the hoses 10 lying next to one another are connected to one another on the longitudinal sides of the pressure pad by distributor channels 11, so that the pressure medium is introduced into one of these distributor channels, which can be formed by metal parts. The pressure medium can be designed to be standing or to run all round.

Zwischen dem Druckkissen 6 und dem umlaufenden Preßband 1 ist bei dem Ausführungsbeispiel nach der Fig. 1 eine Gleitfolie 12 angeordnet, die aus Polytetrafluoräthylen bestehen kann und an der vorderen, quer zum Preßband sich erstreckenden Stirnseite 13 der Druckplatte 5 festgelegt ist. Die Festlegung kann durch Schrauben 14 erfolgen so daß die Gleitfolie als Verschleißteil in einfacher Weise ausgewechselt werden kann. Das andere Ende der Gleitfolie liegt frei auf dem Arbeitstrum des Preßbandes 1 an.In the exemplary embodiment according to FIG. 1, a sliding film 12 is arranged between the pressure pad 6 and the circumferential press belt 1, which can consist of polytetrafluoroethylene and is fixed on the front end 13 of the pressure plate 5, which extends transversely to the press belt. The setting can be done by screws 14 so that the sliding film can be replaced as a wearing part in a simple manner. The other end of the slide film lies freely on the working strand of the press belt 1.

Die Fig. 6 zeigt ein Ausführungsbeispiel, bei dem die zwischen dem durch Schläuche 10 gebildeten Druckkissen und dem Preßband 1 angeordnete Gleitfolie 12 an beiden Stirnenden 15,16 der Druckplatte 17 lösbar befestigt ist.6 shows an exemplary embodiment in which the sliding film 12 arranged between the pressure pad formed by tubes 10 and the press belt 1 is detachably fastened to both end faces 15, 16 of the pressure plate 17.

In Abwandlung dieser Konstruktionen ist es auch denkbar, in Transportrichtung des Werkstückes 3 vor und hinter der Druckplatte Auf- bzw. Abwickelrollen für die Gleitfolie vorzusehen.In a modification of these constructions, it is also conceivable to provide winding and unwinding rollers for the sliding film in front of and behind the pressure plate in the transport direction of the workpiece 3.

Die Gleitfolie kann auch als endloses, die Druckplatte umlaufendes Band ausgeführt sein.The sliding film can also be designed as an endless belt that runs around the printing plate.

Die Fig. 3 zeigt einen Teilausschnitt einer Doppelbandpresse in Leerlaufbetrieb, in dem zwar die Innenräume der Schläuche 10 mit einem Druckmedium gefüllt, die Schläuche 10 jedoch nicht deformiert sind, und somit den Preßspalt begrenzen.3 shows a partial section of a double belt press in idle mode, in which the inner spaces of the tubes 10 are filled with a pressure medium, but the tubes 10 are not deformed, and thus limit the press nip.

In der Fig. 4 ist das Teil der Doppelbandpresse nach der Fig. 3 im Produktionsbetrieb aufgezeigt. Durch die Dicke des Werkstücks 3, das die Reaktionszone der Doppelbandpresse durchläuft, werden die eigenelastischen Schläuche 10 elliptisch verformt.4 shows the part of the double belt press according to FIG. 3 in production operation. Due to the thickness of the workpiece 3, which passes through the reaction zone of the double belt press, the inherently elastic hoses 10 are deformed elliptically.

Jedes Format eines Werkstücks kann durch die Reaktionszone geführt werden, ohne daß im Bereich der Druckkissen eine Undichtigkeit und ein Abströmen von Druckmedium in die Atmosphäre auftreten kann.Any format of a workpiece can be passed through the reaction zone without leakage and pressure medium flowing into the atmosphere in the area of the pressure pads.

Während in dem beschriebenen Ausführungsbeispiel das Druckkissen durch quer zur Transportrichtung des Werkstücks 3 sich erstreckende, eigenelastische Schläuche gebildet wird, ist in der Fig. 5 ein Ausführungsbeispiel aufgezeigt, bei dem der Druckraum 18 durch eine elastische Membran 19 begrenzt ist, die an ihrem freien Rand 20 dicht an der Druckplatte 5 festgelegt ist.While in the described exemplary embodiment the pressure pad is formed by self-elastic hoses extending transversely to the transport direction of the workpiece 3, FIG. 5 shows an exemplary embodiment in which the pressure space 18 is delimited by an elastic membrane 19, which is at its free edge 20 is fixed close to the pressure plate 5.

In dem Druckraum wird der Arbeitsdruck durch ein durch die Druckplatte eingeführtes Druckmedium aufgebaut, das gasförmig oder flüssig sein kann.In the pressure chamber, the working pressure is built up by a pressure medium which is introduced through the pressure plate and which can be gaseous or liquid.

Zwischen der Membran 19 und dem Preßband 1 der Bandpresse ist auch in diesem Ausführungsbeispiel eine Gleitfolie 21 angeordnet. In der dargestellten Ausführungsform ist diese Gleitfolie ausschließlich an der Stirnseite 13 der Druckplatte 5 mittels Schrauben 14 lösbar befestigt.In this exemplary embodiment, a slide film 21 is also arranged between the membrane 19 and the press belt 1 of the belt press. In the illustrated embodiment, this slide film is releasably attached exclusively to the end face 13 of the pressure plate 5 by means of screws 14.

Die Gleitfolie kann auch als Außenschicht der Membran ausgebildet sein. Sie kann auch eine Innenbeschichtung des mit der Druckkammer zusammenwirkenden Preßbandes bilden.The sliding film can also be designed as an outer layer of the membrane. It can also form an inner coating of the press belt interacting with the pressure chamber.

Auch die Schläuche 10 können außen mit einer Gleitschicht versehen werden, so daß die Gleitfolie 12 entfällt.The tubes 10 can also be provided with a sliding layer on the outside, so that the sliding film 12 is omitted.

In dem Ausführungsbeispiel nach der Fig. 6 besteht das einem jeden Preßband 1 zugeordnete Druckkissen 6 und die Druckplatte 17 aus mehreren voneinander unabhängigen Baueinheiten 22, so daß der Produktionsbetrieb auch dann weiterlaufen kann, wenn eine Baueinheit ausgewechselt werden muß.In the exemplary embodiment according to FIG. 6, the pressure pad 6 assigned to each press belt 1 and the pressure plate 17 consist of several mutually independent structural units 22, so that the production operation can continue even if a structural unit has to be replaced.

In dem dargestellten Ausführungsbeispiel weisen die Druckplatten 17 quer zum Preßband sich erstreckende, horizontale Führungsbahnen 23 auf, die auf gestellfesten Führungsbahnen 24 gleitbar gelagert und arretierbar sind.In the exemplary embodiment shown, the pressure plates 17 have horizontal guide tracks 23 which extend transversely to the press belt and are slidably mounted and lockable on guide tracks 24 fixed to the frame.

Der Druckbereich des Arbeitsdruckes in den abgedichteten Druckkissen erstreckt sich bis 20 bar und der Temperaturbereich bis 250°C.The pressure range of the working pressure in the sealed pressure cushions extends up to 20 bar and the temperature range up to 250 ° C.

Die Vorrichtung arbeitet geräuscharm und ist wartungsfreundlich.The device operates quietly and is easy to maintain.

Die Fig. 7 und 8 zeigen die Reaktionszone eines weiteren Ausführungsbeispiels einer Doppelbandpresse, und zwar in der Fig. 7 im Leerlaufbetrieb und in der Fig. 8 im Preßbetrieb.7 and 8 show the reaction zone of a further embodiment of a double belt press, specifically in FIG. 7 in idle mode and in FIG. 8 in press mode.

Bei diesem Ausführungsbeispiel ist zwischen der Druckplatte 5 und dem Druckrahmen 25 ein aus Schläuchen 26 bestehendes Druckkissen angeordnet, in dem der Druck in den Schläuchen 26 höher ist als der Druck in den Schläuchen 10, die ein Druckkissen zwischen der Druckplatte 5 und dem Preßband 1 bilden.In this embodiment, a pressure pad consisting of tubes 26 is arranged between the pressure plate 5 and the pressure frame 25, in which the pressure in the tubes 26 is higher than the pressure in the tubes 10, which form a pressure pad between the pressure plate 5 and the press belt 1 .

Durch die druckbeaufschlagten Schläuche 26 wird ein elastisches Widerlager zwischen der Druckplatte 5 und dem Druckrahmen 25 gebildet, das als zusätzliche Wärmeisolierung dient und Durchbiegungen des Druckrahmens kompensiert.The pressurized hoses 26 form an elastic abutment between the pressure plate 5 and the pressure frame 25, which serves as additional thermal insulation and compensates for deflections of the pressure frame.

Die elastischen Schläuche 26, die innen mit einem Druckmedium beaufschlagt sind, erstrecken sich ebenso wie die Schläuche 10 quer zur Transportrichtung 4 der Werkstücke und sind endseitig durch Verteilerkanäle für das Druckmedium verbunden.The elastic hoses 26, which are pressurized on the inside, extend, like the hoses 10, transversely to the transport direction 4 of the workpieces and are connected at the end by distributor channels for the pressure medium.

Bei dem Ausführungsbeispiel nach der Fig. 9 ist jeweils zwischen der Druckplatte 5 und dem Preßband 1 ein Rollenteppich 27 vorgesehen, der endlos umlaufend geführt ist.In the exemplary embodiment according to FIG. 9, a roller carpet 27 is provided between the pressure plate 5 and the press belt 1 and is guided continuously all the way round.

Zwischen der Druckplatte 5 und dem Druckrahmen 25 ist ein aus nebeneinanderliegenden, elastischen Schläuchen 26 bestehendes Druckkissen angeordnet, in dem die elastischen Schläuche 26 innen mit einem Druckmedium beaufschlagt sind. Endseitig sind die Schläuche 26 über Verteilerkanäle für das Druckmedium verbunden.Arranged between the pressure plate 5 and the pressure frame 25 is a pressure pad consisting of juxtaposed elastic hoses 26, in which a pressure medium is applied to the inside of the elastic hoses 26. At the end, the hoses 26 are connected via distribution channels for the pressure medium.

BezugszeichenReference numerals

11
PreßbandPress belt
22nd
ReaktionszoneReaction zone
33rd
Werkstückworkpiece
44th
Pfeilarrow
55
Druckplatteprinting plate
66
DruckkissenPressure pad
77
IsolierplatteInsulating plate
88th
HeizplatteHot plate
99
------
1010th
Schlauchtube
1111
VerteilerkanalDistribution channel
1212th
GleitfolieSlide film
1313
StirnseiteFace
1414
Schraubescrew
1515
StirnendeForehead
1616
StirnendeForehead
1717th
Druckplatteprinting plate
1818th
DruckraumPressure room
1919th
Membranmembrane
2020th
Randedge
2121
GleitfolieSlide film
2222
BaueinheitUnit
2323
FührungsbahnGuideway
2424th
FührungsbahnGuideway
2525th
DruckrahmenPrint frame
2626
Schlauchtube
2727
RollenteppichRoll carpet

Claims (18)

Vorrichtung zur kontinuierlichen Herstellung von mehrschichtigen flächigen Materialien oder sonstigen Werkstücken, in der die Schichtwerkstoffe zwischen zwei, eine Reaktionszone bildenden Preßbändern geführt, dort erhitzt bzw. gekühlt und durch mindestens ein Band auf die Schichtwerkstoffe ein Druck ausgeübt wird, wobei dieses Band in der Reaktionszone an der schichtabgewandten Seite mindestens ein mit einem gasförmigen oder flüssigen Druckmedium beaufschlagter, an der dem Band abgewandten Seite mit einer Druckplatte zusammenwirkender Druckraum zugeordnet ist, dadurch gekennzeichnet, daß der Druckraum oder die Druckräume gegenüber der Druckplatte (5,17) und den zugeordneten Preßbändern absolut gas- bzw. flüssigkeitsdicht abgedichtet, von einem elastisch verformbaren Werkstoff teilweise oder vollständig begrenzt sind und zwischen dem Druckraum oder den Druckräumen und den Preßbändern eine Gleitfolie (12,21) vorgesehen ist,Device for the continuous production of multi-layer flat materials or other workpieces, in which the layer materials are guided between two press belts forming a reaction zone, heated or cooled there and pressure is exerted on the layer materials by at least one belt, this belt being applied in the reaction zone The side facing away from the layer is assigned at least one pressure chamber which is acted upon by a gaseous or liquid pressure medium and which cooperates with a pressure plate on the side facing away from the belt, characterized in that the pressure chamber or the pressure chambers are absolutely gas relative to the pressure plate (5, 17) and the associated press belts - or sealed in a liquid-tight manner, are partially or completely delimited by an elastically deformable material and a sliding film (12, 21) is provided between the pressure chamber or the pressure chambers and the press belts, Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Gleitfolie (12) ausschließlich an der vorderen, quer zur Transportrichtung (4) sich erstreckenden Stirnseite (13) der Druckplatte (5) festgelegt ist.Device according to claim 1, characterized in that the sliding film (12) is fixed exclusively on the front end face (13) of the pressure plate (5) which extends transversely to the transport direction (4). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Gleitfolie (12) an beiden Stirnseiten (15,16) der Druckplatte (17) festgelegt ist.Device according to claim 1, characterized in that the sliding film (12) is fixed on both end faces (15, 16) of the pressure plate (17). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß vor und hinter der Druckplatte (5) Auf- bzw. Abwickelrollen für die Gleitfolie vorgesehen sind.Apparatus according to claim 1, characterized in that winding and unwinding rollers are provided for the sliding film in front of and behind the pressure plate (5). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Gleitfolie als endloses, die Druckplatte umlaufendes Band geführt ist.Apparatus according to claim 1, characterized in that the sliding film is guided as an endless belt which runs around the printing plate. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Druckräume als nebeneinander liegende, innen mit einem Druckmedium beaufschlagte, elastische Schläuche (10) ausgebildet sind, die endseitig durch Verteilerkanäle (11) miteinander verbunden sind.Apparatus according to claim 1, characterized in that the pressure spaces as adjacent to each other, acted upon with a pressure medium on the inside, Elastic hoses (10) are formed, which are connected to one another at the ends by distribution channels (11). Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Schläuche (10) sich quer zur Transportrichtung (4) der Werkstücke sich erstrecken.Device according to claim 6, characterized in that the hoses (10) extend transversely to the direction of transport (4) of the workpieces. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Druckraum an der dem Preßband zugewandten Seite durch eine elastische Membran (19) begrenzt ist, die an ihrem freien Rand (20) gegenüber der Atmosphäre dicht an der Druckplatte (5) festgelegt ist.Apparatus according to claim 1, characterized in that the pressure space on the side facing the press belt is delimited by an elastic membrane (19) which is fixed at its free edge (20) close to the atmosphere on the pressure plate (5). Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Gleitfolie als auswechselbares Teil zwischen der Membran (19) und dem Preßband angeordnet ist.Apparatus according to claim 8, characterized in that the sliding film is arranged as an interchangeable part between the membrane (19) and the press belt. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Gleitfolie als Außenschicht der Membran (19) ausgebildet ist.Apparatus according to claim 8, characterized in that the sliding film is designed as an outer layer of the membrane (19). Vorrichtung mit einem endlos umlaufenden Preßband (1) nach Anspruch 1, dadurch gekennzeichnet, daß die Gleitfolie als Innenbeschichtung des mit der Druckkammer zusammenwirkenden endlos umlaufenden Preßbandes (1) ausgebildet ist.Device with an endlessly rotating press belt (1) according to claim 1, characterized in that the sliding film is designed as an inner coating of the endlessly rotating press belt (1) interacting with the pressure chamber. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Schläuche (10) außen mit einer Gleitschicht versehen sind.Device according to claim 6, characterized in that the hoses (10) are provided on the outside with a sliding layer. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das einem endlos umlaufenden Preßband zugeordnete Druckkissen und die zugeordnete Druckplatte aus mehreren, voneinander unabhängigen, auswechselbaren Baueinheiten (22) bestehen, die jeweils ein gegenüber der Druckplatte (17) und dem Preßband (1) abgedichtetes Druckkissen aufweisen.Device according to one of the preceding claims, characterized in that the pressure pad associated with an endlessly rotating press belt and the associated pressure plate consist of a plurality of mutually independent, interchangeable structural units (22), each of which is opposite the pressure plate (17) and the press belt (1) have a sealed pressure pad. Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß die Druckplatten (17) quer zur Transportrichtung (4) sich erstreckende, horizontale Führungsbahnen (23) aufweisen, die auf gestellfesten Führungsflächen (24) gleitbar gelagert sind.Device according to claim 13, characterized in that the pressure plates (17) extend horizontally transverse to the transport direction (4) Have guideways (23) which are slidably mounted on guide surfaces (24) fixed to the frame. Vorrichtung insbesondere nach Anspruch 1, dadurch gekennzeichnet, daß zwischen Druckplatte (5) und Druckrahmen (25) nebeneinander liegende, innen mit einem Druckmedium beaufschlagte, elastische Schläuche (26) angeordnet sind, die endseitig durch Verteilerkanäle verbunden sind.Device in particular according to claim 1, characterized in that between the pressure plate (5) and the pressure frame (25) there are juxtaposed elastic hoses (26) which are pressurized with a pressure medium and which are connected at the ends by distribution channels. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß die Schläuche (26) sich quer zur Transportrichtung (4) der Werkstücke erstrecken.Device according to claim 15, characterized in that the hoses (26) extend transversely to the direction of transport (4) of the workpieces. Vorrichtung nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß der Druck in den Schläuchen (26) hoher ist als der Druck in dem zwischen der Druckplatte (5) und dem Preßband (1) angeordneten Druckkissen.Apparatus according to claim 15 or 16, characterized in that the pressure in the hoses (26) is higher than the pressure in the pressure pad arranged between the pressure plate (5) and the press belt (1). Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß ausschließlich ein Druckkissen, und zwar zwischen der Druckplatte (5) und dem Druckrahmen (25) vorgesehen ist und zwischen der Druckplatte (5) und dem Preßband (1) ein umlaufender Rollenteppich (27) angeordnet ist.Apparatus according to claim 15, characterized in that only a pressure pad is provided, namely between the pressure plate (5) and the pressure frame (25) and a circumferential roller carpet (27) is arranged between the pressure plate (5) and the press belt (1) .
EP94116047A 1994-10-12 1994-10-12 Apparatus for the continuous manufacture of multilayer flat products Expired - Lifetime EP0710541B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP94116047A EP0710541B1 (en) 1994-10-12 1994-10-12 Apparatus for the continuous manufacture of multilayer flat products
ES94116047T ES2116499T3 (en) 1994-10-12 1994-10-12 DEVICE FOR THE CONTINUOUS MANUFACTURE OF FLAT MATERIALS IN VARIOUS LAYERS.
DE59406095T DE59406095D1 (en) 1994-10-12 1994-10-12 Device for the continuous production of multilayer, flat materials
US08/325,674 US5601015A (en) 1994-10-12 1994-10-18 Apparatus for continuously making a multilayered, flat workpiece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94116047A EP0710541B1 (en) 1994-10-12 1994-10-12 Apparatus for the continuous manufacture of multilayer flat products
US08/325,674 US5601015A (en) 1994-10-12 1994-10-18 Apparatus for continuously making a multilayered, flat workpiece

Publications (2)

Publication Number Publication Date
EP0710541A1 true EP0710541A1 (en) 1996-05-08
EP0710541B1 EP0710541B1 (en) 1998-05-27

Family

ID=26135873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116047A Expired - Lifetime EP0710541B1 (en) 1994-10-12 1994-10-12 Apparatus for the continuous manufacture of multilayer flat products

Country Status (4)

Country Link
US (1) US5601015A (en)
EP (1) EP0710541B1 (en)
DE (1) DE59406095D1 (en)
ES (1) ES2116499T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516907A1 (en) * 2015-07-28 2016-09-15 Berndorf Band Gmbh Double belt press with limited compensation of a press nip width

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732622A (en) * 1997-01-24 1998-03-31 Corrugated Gear And Services Machine for manugacturing corrugated board
US6544382B2 (en) 1999-11-15 2003-04-08 Pactiv Corporation Apparatus for high-speed heating and cooling of a polymer
US6908295B2 (en) * 2000-06-16 2005-06-21 Avery Dennison Corporation Process and apparatus for embossing precise microstructures and embossing tool for making same
JP4248389B2 (en) * 2003-12-25 2009-04-02 シャープ株式会社 Solar cell module manufacturing method and solar cell module manufacturing apparatus

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112671A1 (en) * 1970-03-17 1971-09-30 Jaatinen Per Arno Dipl Ing Continuous press, especially for the production of plates or tapes
DE2114736A1 (en) * 1971-03-26 1972-10-05 Küsters, Eduard, 4150 Krefeld Device for exerting a surface pressure
DE2222419A1 (en) * 1971-05-11 1972-11-23 Jaatinen Per Arno Dipl Ing Continuously working plate press
FR2482894A2 (en) * 1980-05-20 1981-11-27 Martin Jean Marie MACHINE FOR DRYING AND JOINING CONTINUOUS AND CONTACT PLACING
NL8601751A (en) * 1986-07-04 1988-02-01 Stork Brabant Bv Board laminating mechanism - has 2 endless belts with pressure rollers, belts pressurised and heated by box-shaped elements contg. heated, adjustably pressurised oil
GB2194169A (en) * 1986-08-18 1988-03-02 Andritz Ag Maschf Press for dewatering or filtering
GB2194170A (en) * 1986-08-18 1988-03-02 Andritz Ag Maschf Press for dewatering and filtering
DE3936924A1 (en) * 1989-11-06 1991-05-08 Dieffenbacher Gmbh Maschf METHOD AND DEVICE FOR HEATING A CONTINUOUSLY WORKING HOT PLATE PRESS

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1870517A (en) * 1929-11-22 1932-08-09 Lacey Ernest George Veneer press
US2142932A (en) * 1935-03-11 1939-01-03 Beard Veneer Products Inc Plywood press
US2411043A (en) * 1943-11-24 1946-11-12 Edward J Klassen Thermopressure gluing press
US2981307A (en) * 1957-06-24 1961-04-25 Jr Neil Malarkey Press machine
DE1939784C3 (en) * 1969-08-05 1978-08-24 Maschinenfabrik J. Dieffenbacher Gmbh & Co, 7519 Eppingen Continuously operating press for the production of chipboard, fiberboard, plywood or the like
DE1942172C3 (en) * 1969-08-19 1973-12-06 Erwin 7918 Illertissen Dimter Continuously working press
US4064299A (en) * 1975-10-02 1977-12-20 Formac International, Inc. Anti-friction composite with metal backing of rigid prongs and lubricant overlay
US4231556A (en) * 1978-11-06 1980-11-04 Grumman Flexible Corporation Apparatus for holding hollow wall panels while they are filled with foamed plastic
DE2937410A1 (en) * 1979-09-15 1981-04-02 Into Solymar Benalmadena Costa Malaga Kerttula CONTINUOUSLY WORKING PLATE PRESS
DE2937972A1 (en) * 1979-09-20 1981-04-02 Theodor Hymmen Kg, 4800 Bielefeld DEVICE FOR APPLYING A SURFACE PRESSING TO PROGRESSIVE WORKPIECES
DE3313406C3 (en) * 1983-04-13 1994-02-24 Hymmen Kg Theodor Device for applying a surface pressure to progressive workpieces
SU1579787A1 (en) * 1987-10-08 1990-07-23 Предприятие П/Я А-7880 Pneumatic press
US5256240A (en) * 1989-07-18 1993-10-26 Simon Container Machinery Limited Corrugating machine with a flexible vessel pressure applying means
DE4128024A1 (en) * 1991-08-23 1993-02-25 Held Kurt CONTINUOUSLY WORKING DOUBLE BAND PRESS
DE9307632U1 (en) * 1993-05-19 1993-09-02 Joos Gottfried Maschfab Press, in particular plate press for woodworking

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112671A1 (en) * 1970-03-17 1971-09-30 Jaatinen Per Arno Dipl Ing Continuous press, especially for the production of plates or tapes
DE2114736A1 (en) * 1971-03-26 1972-10-05 Küsters, Eduard, 4150 Krefeld Device for exerting a surface pressure
DE2222419A1 (en) * 1971-05-11 1972-11-23 Jaatinen Per Arno Dipl Ing Continuously working plate press
FR2482894A2 (en) * 1980-05-20 1981-11-27 Martin Jean Marie MACHINE FOR DRYING AND JOINING CONTINUOUS AND CONTACT PLACING
NL8601751A (en) * 1986-07-04 1988-02-01 Stork Brabant Bv Board laminating mechanism - has 2 endless belts with pressure rollers, belts pressurised and heated by box-shaped elements contg. heated, adjustably pressurised oil
GB2194169A (en) * 1986-08-18 1988-03-02 Andritz Ag Maschf Press for dewatering or filtering
GB2194170A (en) * 1986-08-18 1988-03-02 Andritz Ag Maschf Press for dewatering and filtering
DE3936924A1 (en) * 1989-11-06 1991-05-08 Dieffenbacher Gmbh Maschf METHOD AND DEVICE FOR HEATING A CONTINUOUSLY WORKING HOT PLATE PRESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516907A1 (en) * 2015-07-28 2016-09-15 Berndorf Band Gmbh Double belt press with limited compensation of a press nip width

Also Published As

Publication number Publication date
DE59406095D1 (en) 1998-07-02
EP0710541B1 (en) 1998-05-27
US5601015A (en) 1997-02-11
ES2116499T3 (en) 1998-07-16

Similar Documents

Publication Publication Date Title
EP0212232B1 (en) Method and apparatus for the continuous production of thermoplastic sheets
EP0052359B1 (en) Continuously operating press
DE2448794C2 (en) Double belt press
DE10252477A1 (en) Continuously working press
EP0529214B1 (en) Continuous double band press
DE2243465A1 (en) DEVICE FOR EXERCISING A SURFACE PRESSURE
EP0087651B1 (en) Apparatus to support pressure bands in a roll-supported double band press
DD143411A5 (en) FORM BAND FOR A PRESS FOR EXERCISING A FLAECHENPRESSUNG
DE3616619C2 (en) Sealing arrangement on a double belt press and method for producing the associated sealing body
DE3028145C2 (en)
DE3417289C2 (en)
EP0166886B1 (en) Press for exerting a pressure on an area of continuously moving work pieces
DE3436158A1 (en) SLIDING SURFACE SEALS ON DOUBLE BELT PRESSES
EP0642917B1 (en) Double-band press with hydrostatic support for the band
EP0710541B1 (en) Apparatus for the continuous manufacture of multilayer flat products
EP0163864B1 (en) Method and apparatus for continuously pressing sheetings
DE4107833A1 (en) Continuous band press for chipboard - has individually controlled heating plates to provide controlled temp. profile across and along press tables
EP0842040B1 (en) Double band press for producing and/or coating web-shaped or plate-shaped workpieces of all kinds
DE4312059A1 (en) Device for the continuous production of laminar sheetlike material
DE2355797C3 (en) Press for exerting a surface pressure
DE3417288C2 (en)
DE2410214A1 (en) POETRY
DE19845652C2 (en) Device for smoothing and cooling or cooling an extruded material web
DE1504816C (en) Device for the surface treatment of plastic sheets or sheets
DE2130641C3 (en) Double belt 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: 19950926

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE DE ES IT

17Q First examination report despatched

Effective date: 19970617

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

ITF It: translation for a ep patent filed

Owner name: STUDIO INGG. FISCHETTI & WEBER

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE ES IT

REF Corresponds to:

Ref document number: 59406095

Country of ref document: DE

Date of ref document: 19980702

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2116499

Country of ref document: ES

Kind code of ref document: T3

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

Ref country code: ES

Payment date: 20011005

Year of fee payment: 8

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

Ref country code: BE

Payment date: 20011023

Year of fee payment: 8

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

Ref country code: DE

Payment date: 20011025

Year of fee payment: 8

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: 20021013

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: 20021031

BERE Be: lapsed

Owner name: FIRMA THEODOR *HYMMEN

Effective date: 20021031

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

Ref country code: DE

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

Effective date: 20030501

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20031112

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 NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051012