EP0791549A2 - Method and device for winding a longitudinally cut web of material - Google Patents

Method and device for winding a longitudinally cut web of material Download PDF

Info

Publication number
EP0791549A2
EP0791549A2 EP97101107A EP97101107A EP0791549A2 EP 0791549 A2 EP0791549 A2 EP 0791549A2 EP 97101107 A EP97101107 A EP 97101107A EP 97101107 A EP97101107 A EP 97101107A EP 0791549 A2 EP0791549 A2 EP 0791549A2
Authority
EP
European Patent Office
Prior art keywords
winding
compressed air
roller
roll
support rollers
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
EP97101107A
Other languages
German (de)
French (fr)
Other versions
EP0791549A3 (en
EP0791549B1 (en
Inventor
Hans-Joachim Fissmann
Matthias Wohlfahrt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Sulzer Papiermaschinen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Sulzer Papiermaschinen GmbH filed Critical Voith Sulzer Papiermaschinen GmbH
Publication of EP0791549A2 publication Critical patent/EP0791549A2/en
Publication of EP0791549A3 publication Critical patent/EP0791549A3/en
Application granted granted Critical
Publication of EP0791549B1 publication Critical patent/EP0791549B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414866—Winding slitting winding on two or more winding shafts simultaneously on bed rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/13—Means using fluid made only for exhausting gaseous medium pressure arrangement for compensating weight of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/232—Winding beds consisting of two rollers
    • B65H2408/2321—Winding beds consisting of two rollers with winding bed supplied with vacuum or compressed air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S242/00—Winding, tensioning, or guiding
    • Y10S242/908—Fluid treatment or handling

Definitions

  • the invention relates to a method for winding up a slit material web, e.g. Paper web, the winding rolls resulting from the partial webs being supported by means of two winding beds formed from winding support rollers.
  • the invention also relates to an apparatus for performing this method; this device is preferably designed as a three-roll slitter. Theoretically, the two winding beds mentioned could also be formed using four winding support rollers.
  • the prior art is referred to, for example, DE-PS 35 41 906, which describes a three-roll slitter.
  • the three winding support rollers form two winding beds, so that the partial webs created after the longitudinal cutting can be wound into winding rolls partly in one and partly in the other winding bed.
  • Each individual winding roll created on a winding tube is guided with the help of two winding frames.
  • Each winding block has a vertically movable sleeve guide, in which a clamping head is rotatably mounted. The two clamping heads engage a little in the winding tube on the two end faces of the resulting winding roll. This construction allows the weight of the resulting winding roll to be counteracted with the aid of the vertically movable sleeve guide.
  • the winding roll is partially relieved of weight so that it no longer rests with its full weight on the winding support rollers. This is an attempt to counter the risk that the material web will be damaged by the increasing pressure load with increasing winding roll diameter, which the web experiences at the points where the winding roll rests on the support rollers.
  • This method of weight relief makes it possible to manufacture winding rolls with relatively large diameters, such as is required by the paper processing industry.
  • a single-roll winding machine in which (without winding beds) a plurality of winding rolls which are insulated from one another are formed on a single central supporting roll, each winding roll being guided by two winding stands. Compressed air cushions are provided to relieve weight (see DE 42 01 815 A1 and DE 42 19 415 A1).
  • these known methods cannot be transferred to a three-roll winding machine.
  • the invention has for its object to develop the method described above and the associated device in such a way that despite the - on two winding beds - isolated emergence of the winding rolls their own weight can be counteracted by a compressed air cushion.
  • a compressed air cushion is formed at least in one of the two winding beds below any number (preferably only the particularly wide) winding rolls. All of these compressed air cushions are limited by inserting a longitudinal sealing element in the gap between the two winding support rollers. At the same time, the individual compressed air cushion is limited in the area of each end face of the winding roll in question by attaching an end sealing element. The number and position of the end sealing elements can be adapted to the number and width of the winding rolls to be supported. The device features necessary for carrying out this method are specified in independent claim 6.
  • Another aspect of the invention relates to the problem of supplying compressed air to the various compressed air cushions that are isolated from one another.
  • compressed air is fed to each individual compressed air cushion on the individual winding bed via a pressure chamber divided into sections.
  • the pressure chamber preferably extends over the entire length of the winding support rollers, the number of sections required in each case and the length of each individual section being adapted to the respective requirements.
  • the pressure chamber described above, divided into sections, is preferably arranged stationary in the interior of one of the two winding support rollers, the roller jacket of this winding support roller being perforated. Different types of such a perforated winding support roller are described in the parallel patent application (file PA 10258).
  • the above-mentioned pressure chamber divided into sections can, however, also be arranged below the two support rollers and form a structural unit with the longitudinal sealing element located there.
  • Another aspect of the invention relates to the creation of movement mechanisms which enable the two end sealing elements to be automatically moved back and forth on the winding roll in question to be relieved.
  • the starting point for a related task solution is the subject of DE'906 already mentioned. From this document it is known to provide one winding block in the area of the two end faces of each individual winding roll.
  • All of these winding brackets are suspended from a longitudinal member that runs parallel to the central winding support roller above the winding rollers.
  • Each of the winding blocks extends downward from this longitudinal member in the direction of the relevant winding bed; it has e.g. vertical guide rail, which serves to guide one of the guide elements mentioned for the winding core or the winding tube.
  • a pivotable support arm can be mounted on each of the two winding stands of a winding roll, which can be pivoted about an axis of rotation approximately parallel to the support roller axes and carries one of the end sealing elements at its outer end.
  • care must now be taken to ensure that the end sealing element does not collide with the winding support rollers or with the winding frame when swiveling back and forth.
  • the following can be provided, for example:
  • a guide rod is provided, on which the end sealing element can be removed from the winding roll from its working position - close to the end face of the winding roll - approximately parallel to its axis.
  • the axis of the guide rod can be inclined with respect to the winding roller axis, so that when the end sealing element is removed from the end face of the winding roller, it is also removed from the support rollers.
  • a lower part of each end sealing element can be folded up, so that colliding with the adjacent outer winding support roller is avoided when pivoting up.
  • a drive for the pivoting process is preferably housed inside the relevant winding frame.
  • a movement mechanism just described is one of several conceivable options. It is particularly suitable in particularly confined spaces. This is the case, for example, when two winding rolls adjacent to one another, between which there is only a small distance, are to be relieved by means of a compressed air cushion in a winding bed. In this case, it is necessary to accommodate the movement mechanisms for two end sealing elements in a relatively narrow space. If the space is less cramped, a simplified design will be possible.
  • an immobile support arm can be attached to at least one of the winding brackets, which in turn carries one of the end sealing elements at its free end. As described above, this can then be displaced relative to the support arm approximately parallel to the winding roller axis.
  • Figure 1 shows schematically a three-roll winding machine.
  • Figure 2 is an enlarged view of the area above the two changing beds of the machine shown in Figure 1; it is a section along the line II-II of Figure 3.
  • FIG. 3 is a section along the line III-III of FIG. 2.
  • FIG. 4 is a partial view in the direction of arrow IV in FIG. 2.
  • FIG. 5 shows a construction which differs from FIGS. 1-4 with a sectioned pressure chamber lying below a winding bed.
  • the winding machine shown in FIGS. 1-4 has a machine frame with stands 41 which are connected by cross members 43 (FIG. 1).
  • the cross members 43 are in turn connected in the middle of the machine by a longitudinal member 45.
  • Three support rollers 5, 9 'and 9''arranged side by side extend parallel to the longitudinal member 45.
  • Each of the support rollers is provided with a drive, not shown.
  • Each two adjacent support rollers form a winding bed.
  • the longitudinally cut web of material e.g. B. paper web runs along the line P through the central support roller 5 into the machine. At least one of the cut partial webs is rolled up on the support rollers 5 and 9 '' to form a roll 7a, while at least one second partial web is rolled up over the rollers 9 'and 5 to form a roll 7b.
  • the longitudinally cut partial webs are already separated at the circumference of a web guide roller 3, so that the at least one partial web, which is intended for a winding roller 7a (or more), along the dash-dotted line Pa via a further guide roller 4 and runs into the machine via the support roller 9 ''.
  • the other (s) partial web (s) run or run as before along line P via the support rollers 5 and 9 'onto the winding roll 7b.
  • FIG. 3 shows the following, among other things: Because of the partial webs that alternately run into the two winding beds, there is e.g. there is an axial distance between the two winding rolls 7b, which arise in one winding bed, which corresponds to the width of the winding roll 7a formed in the other winding bed.
  • FIG. 3 shows a pair of winding blocks 47 for the winding roll 7a and one winding block 49 each of two pairs of winding blocks for the winding rolls 7b. Where the end faces of two winding rollers 7a and 7b are aligned with one another, the two winding stands 47 and 49 belonging to these two winding rollers form a structural unit.
  • Each of the winding stands 47, 49 is equipped with a sleeve guide 46 which can be displaced vertically by means of the lifting device 48.
  • Each sleeve guide 46 carries an axially displaceable clamping head 50 which engages in the center (formed by a winding sleeve 51) of the winding roll in question.
  • each of the outer support rollers 9 'and 9' ' is assigned a roller lowering device 53, 54 , with which the ejected finished winding rolls are deposited from the machine.
  • the middle support roller 5 has a perforated roller jacket (preferably according to DE-PS 3843246) and a suction connection 5a.
  • a perforated roller jacket preferably according to DE-PS 3843246
  • a suction connection 5a As a result, vacuum can be temporarily generated in the interior of the support roller 5, in particular in order to keep the new web beginnings on the support roller 5 during the roll change after severing the partial webs.
  • Each of the two outer carrier rollers 9 'and 9'' also has a perforated roller jacket and inside a stationary pressure box 15, into which a compressed air line 28 opens.
  • the space between the roll shell and the compressed air box 15 is divided into sections with the aid of seals. Their number and size can be varied.
  • a compressed air cushion can be built up on those winding rolls 7a or 7b where it is considered necessary for the purpose of reducing the weight in the winding bed concerned.
  • both changing beds are sealed from below by means of a longitudinal sealing strip 6 '. This extends over the entire length of the support rollers and is removable for cleaning purposes and / or for inserting the material web.
  • seals are arranged on the overpressure box 15 such that a pressure zone 9a is present below the winding roller to be relieved, which extends in the circumferential direction from the narrowest point between two adjacent support rollers to the point where the winding roll 7a or 7b rests on the support roller 9 'or 9''.
  • Two end sealing elements 34 which can be placed on the end faces of the respective winding roller 7a or 7b (or which can be inserted under the relevant winding roller) serve to limit the lateral pressure of each compressed air cushion generated under a winding roller.
  • the end sealing elements 34 can be removed from the area of the relevant winding bed. This is necessary because when winding new winding rolls with the aid of the sleeve guides 46 new winding sleeves 51 have to be inserted into the winding beds.
  • the winding block 49 in question has a support arm 60, on the free end of which the end sealing element 34 is supported. So that a relatively small distance can be set between two adjacent winding rollers 7b, the support arm 60 can be pivoted about an axis of rotation 61 parallel to the winding roller axis.
  • a swivel drive for the support arm 60 is designated 62.
  • a guide rod 63 is provided at the outer end of the support arm 60.
  • the end sealing element 34 can be removed from its working position (close to the end face of the winding roller 7b) from the winding roller. 4, the end sealing element 34 is preferably moved as far as behind the end face 49a of the winding frame 49, that is to say into the position shown in broken lines.
  • the axis of the guide rod 63 is approximately parallel to the winding axis; according to FIG. 4, it can be inclined relative to the winding axis.
  • the end sealing element 34 also gains a distance from the support rollers 5 and 9 'when removed from the end face of the winding roll 7b.
  • a lower part 34a of the end sealing element 34 can be folded up (see FIG. 4). All of these measures ensure that the end sealing element 34 does not collide with the support rollers or with the winding frame when removed from the winding bed.
  • FIG. 5 shows a construction of an overpressure box 65 that differs from FIGS. 1-4. It is arranged below the winding support roller 9 ′′ pivotably about its axis of rotation and extends essentially over the entire length of the support roller 9 ′′. Its interior is subdivided by means of an intermediate wall 69, which extends in the longitudinal direction through the entire pressure chamber, into a plenum 66 to which compressed air can be applied and into a nozzle chamber 67. The latter has a blowout slot directed into the winding bed and forms sealing gaps with the support rollers 5 and 9 ''.
  • the nozzle chamber thus replaces the longitudinal sealing strip 6 'shown in Figure 1. It is divided into many sections by means of numerous axially normal partition walls 67.
  • a valve 70 is assigned to each section, so that each section can either be connected to the plenum 66 or not. As a result, the compressed air supply can be controlled to where it is required to build up a compressed air cushion below a specific winding roll 7a or 7b.

Landscapes

  • Winding Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Turning (AREA)
  • Metal Rolling (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The winding machine has three rollers (5,9',9") forming a bed on which lengths of material paper is wound into two separate rolls (7a,7b). A longitudinal seal (6',68) is inserted from below into the slot between the two support rollers. A removable end seal (34) covering the gap between the winding-roller and the mantle of the respective support-roller is positioned at the end of each winding roller. The resulting sealed cavity is connected to a supply of compressed air to form an air cushion.

Description

Die Erfindung betrifft ein Verfahren zum Aufwickeln einer längsgeschnittenen Materialbahn, z.B. Papierbahn, wobei die aus den Teilbahnen entstehenden Wickelrollen mittels zweier aus Wickeltragwalzen gebildeten Wickelbetten unterstützt werden. Die Erfindung betrifft außerdem eine Vorrichtung zum Durchführen dieses Verfahrens; diese Vorrichtung ist vorzugsweise als eine Drei-Walzen-Rollenschneidmaschine ausgebildet. Theoretisch könnte man die zwei genannten Wickelbetten auch mit Hilfe von vier Wickeltragwalzen bilden.The invention relates to a method for winding up a slit material web, e.g. Paper web, the winding rolls resulting from the partial webs being supported by means of two winding beds formed from winding support rollers. The invention also relates to an apparatus for performing this method; this device is preferably designed as a three-roll slitter. Theoretically, the two winding beds mentioned could also be formed using four winding support rollers.

Zum Stand der Technik wird beispielsweise auf die DE-PS 35 41 906 verwiesen, worin eine Drei-Walzen-Rollenschneidmaschine beschrieben ist. Die drei Wickeltragwalzen bilden zwei Wickelbetten, so daß die nach dem Längsschneiden entstandenen Teilbahnen teils im einen und teils im anderen Wickelbett zu Wickelrollen aufgewickelt werden können. Jede einzelne, auf einer Wickelhülse entstehende Wickelrolle wird mit Hilfe von zwei Wickelböcken geführt. Jeder Wickelbock hat eine vertikal verfahrbare Hülsenführung, worin ein Spannkopf drehbar gelagert ist. An den beiden Stirnseiten der entstehenden Wickelrolle greifen die beiden Spannköpfe ein wenig in die Wickelhülse ein. Diese Konstruktion erlaubt es, daß mit Hilfe der vertikal verfahrbaren Hülsenführung dem Eigengewicht der entstehenden Wickelrolle entgegengewirkt wird. Mit anderen Worten: Es findet eine teilweise Gewichtsentlastung der Wickelrolle statt, so daß diese nicht mehr mit dem vollen Gewicht auf den Wickeltragwalzen aufliegt. Hierdurch versucht man, der Gefahr zu begegnen, daß die Materialbahn beschädigt wird durch die mit zunehmendem Wickelrollen-Durchmesser ständig größer werdende Druckbeanspruchung, welche die Bahn an den Stellen erfährt, wo die Wickelrolle auf den Tragwalzen aufliegt.The prior art is referred to, for example, DE-PS 35 41 906, which describes a three-roll slitter. The three winding support rollers form two winding beds, so that the partial webs created after the longitudinal cutting can be wound into winding rolls partly in one and partly in the other winding bed. Each individual winding roll created on a winding tube is guided with the help of two winding frames. Each winding block has a vertically movable sleeve guide, in which a clamping head is rotatably mounted. The two clamping heads engage a little in the winding tube on the two end faces of the resulting winding roll. This construction allows the weight of the resulting winding roll to be counteracted with the aid of the vertically movable sleeve guide. In other words, the winding roll is partially relieved of weight so that it no longer rests with its full weight on the winding support rollers. This is an attempt to counter the risk that the material web will be damaged by the increasing pressure load with increasing winding roll diameter, which the web experiences at the points where the winding roll rests on the support rollers.

Diese Methode der Gewichtsentlastung erlaubt es also, Wickelrollen mit relativ großen Durchmessern herzustellen, wie dies z.B. von der papierverarbeitenden Industrie gefordert wird.This method of weight relief makes it possible to manufacture winding rolls with relatively large diameters, such as is required by the paper processing industry.

Diese bekannte Methode der Gewichtsentlastung führt jedoch in der Regel nur dann zu befriedigenden Ergebnissen, wenn die Materialbahn in verhältnismäßig schmale Teilbahnen geschnitten wird und wenn dementsprechend relativ schmale Wickelrollen entstehen. Wenn dagegen wenigstens eine Wickelrolle aus einer relativ breiten Teilbahn gebildet wird, so wirkt die beschriebene Gewichtsentlastung im wesentlichen nur an den beiden Stirnseiten der Wickelrolle. Mit anderen Worten: Es besteht die Tendenz daß sich die Wickelrolle unter dem Eigengewicht durchbiegt. Dies hat zur Folge, daß an den Auflagestellen die Linienkraft in der Mitte der Wickelrolle wesentlich größer ist als in den beiden Randzonen. Somit besteht im mittleren Bereich der Wickelrolle wiederum die Gefahr, daß die Materialbahn beschädigt wird.However, this known method of weight relief generally only leads to satisfactory results if the material web is cut into relatively narrow partial webs and if relatively narrow winding rolls are produced accordingly. If, on the other hand, at least one winding roll is formed from a relatively wide partial web, the weight relief described acts essentially only on the two end faces of the winding roll. In other words: there is a tendency for the winding roll to sag under its own weight. The result of this is that the line force in the center of the winding roll is considerably greater at the support points than in the two edge zones. Thus, in the central area of the winding roll, there is again the risk that the material web will be damaged.

Bei Zwei-Walzen-Wickelmaschinen ist es bekannt, dem Eigengewicht der Wickelrolle mittels eines Druckluftpolsters entgegenzuwirken. Bekanntlich liegen dort die Wickelrollen dicht an dicht auf einem einzigen Wickelbett. Dadurch kann dort ein einziges, die Wickelrollen insgesamt unterstützendes Druckpolster mit relativ einfachen Mitteln nach außen hin begrenzt werden (siehe DE 42 04 198). Bekannt ist auch eine Ein-Walzen-Wickelmaschine, worin (ohne Wickelbetten) mehrere voneinander isolierte Wickelrollen auf einer einzigen zentralen Tragwalze gebildet werden, wobei jede Wickelrolle durch zwei Wickelböcke geführt ist. Zur Gewichtsentlastung sind Druckluftpolster vorgesehen, (siehe DE 42 01 815 A1 und DE 42 19 415 A1). Diese bekannten Methoden sind aber auf eine Drei-Walzen-Wickelmaschine nicht übertragbar.In two-roll winding machines, it is known to counteract the dead weight of the winding roll by means of a compressed air cushion. As is known, the winding rolls lie close together on a single winding bed. As a result, a single pressure cushion there, which overall supports the winding rollers, can be limited to the outside with relatively simple means (see DE 42 04 198). A single-roll winding machine is also known, in which (without winding beds) a plurality of winding rolls which are insulated from one another are formed on a single central supporting roll, each winding roll being guided by two winding stands. Compressed air cushions are provided to relieve weight (see DE 42 01 815 A1 and DE 42 19 415 A1). However, these known methods cannot be transferred to a three-roll winding machine.

Der Erfindung liegt die Aufgabe zugrunde, das eingangs beschriebene Verfahren und die dazugehörende Vorrichtung dahingehend weiterzuentwickeln, daß trotz des - auf zwei Wickelbetten - voneinander isolierten Entstehens der Wickelrollen ihrem Eigengewicht durch ein Druckluftpolster entgegengewirkt werden kann.The invention has for its object to develop the method described above and the associated device in such a way that despite the - on two winding beds - isolated emergence of the winding rolls their own weight can be counteracted by a compressed air cushion.

Diese Aufgabe wird gemäß den voneinander unabhängigen Hauptansprüchen im Prinzip wie folgt gelöst: Ausgehend von dem eingangs beschriebenen Verfahren wird zumindest in einem der beiden Wickelbetten unterhalb beliebig vieler (vorzugsweise nur der besonders breiten) Wickelrollen je ein Druckluftpolster gebildet. Alle diese Druckluftpolster werden nach unten begrenzt durch Einsetzen eines Längsdichtelementes in den zwischen den beiden Wickeltragwalzen vorhandenen Spalt. Gleichzeitig wird im Bereich jeder Stirnseite der betreffenden Wickelrolle das einzelne Druckluftpolster durch Ansetzen eines Enddichtelementes begrenzt. Dabei können Anzahl und Position der Enddichtelemente an die Anzahl und Breite der zu unterstützenden Wickelrollen angepaßt werden. Die zur Durchführung dieses Verfahrens notwendigen Vorrichtungs-Merkmale sind in dem unabhängigen Anspruch 6 angegeben.In principle, this object is achieved as follows in accordance with the mutually independent main claims: starting from the method described in the introduction, a compressed air cushion is formed at least in one of the two winding beds below any number (preferably only the particularly wide) winding rolls. All of these compressed air cushions are limited by inserting a longitudinal sealing element in the gap between the two winding support rollers. At the same time, the individual compressed air cushion is limited in the area of each end face of the winding roll in question by attaching an end sealing element. The number and position of the end sealing elements can be adapted to the number and width of the winding rolls to be supported. The device features necessary for carrying out this method are specified in independent claim 6.

Ein weiterer Aspekt der Erfindung betrifft das Problem der Druckluftzufuhr zu den verschiedenen, voneinander isolierten Druckluftpolstern. Im Prinzip wird an dem einzelnen Wickelbett jedem einzelnen Druckluftpolster Druckluft über eine in Sektionen unterteilte Überdruckkammer zugeführt. Die Überdruckkammer erstreckt sich vorzugsweise über die gesamte Länge der Wickeltragwalzen, wobei die Anzahl der jeweils benötigten Sektionen und die Länge jeder einzelnen Sektion an die jeweils vorliegenden Bedürfnisse angepaßt wird.Another aspect of the invention relates to the problem of supplying compressed air to the various compressed air cushions that are isolated from one another. In principle, compressed air is fed to each individual compressed air cushion on the individual winding bed via a pressure chamber divided into sections. The pressure chamber preferably extends over the entire length of the winding support rollers, the number of sections required in each case and the length of each individual section being adapted to the respective requirements.

Die zuvor beschriebene, in Sektionen unterteilte Überdruckkammer wird vorzugsweise stationär im Inneren einer der beiden Wickeltragwalzen angeordnet, wobei der Walzenmantel dieser Wickeltragwalze perforiert ist. Verschiedene Bauarten einer solchen perforierten Wickeltragwalze sind in der parallelen Patentanmeldung (Akte PA 10258) beschrieben.The pressure chamber described above, divided into sections, is preferably arranged stationary in the interior of one of the two winding support rollers, the roller jacket of this winding support roller being perforated. Different types of such a perforated winding support roller are described in the parallel patent application (file PA 10258).

Die erwähnte, in Sektionen unterteilte Überdruckkammer kann jedoch auch unterhalb der beiden Tragwalzen angeordnet werden und mit dem dort befindlichen Längsdichtelement eine Baueinheit bilden.The above-mentioned pressure chamber divided into sections can, however, also be arranged below the two support rollers and form a structural unit with the longitudinal sealing element located there.

Denkbar wäre noch eine andere Möglichkeit der Druckluftzufuhr zu den einzelnen Druckluftpolstern: Innerhalb einer der beiden Wickeltragwalzen könnte eine sich über die gesamte Walzenlänge erstreckende einheitliche Überdruckkammer vorgesehen werden, wobei nur gewisse, entsprechend den Teilbahn Breiten der Wickelrollen dimensionierte Sektionen des Walzenmantels perforiert sind. Diese Methode erlaubt jedoch nicht das nachträgliche Anpassen der Sektionen an eine geänderte Anzahl der Wickelrollen und an eine Änderung ihrer Breite.Another possibility of supplying compressed air to the individual compressed air cushions would be conceivable: Within one of the two winding support rollers, a uniform overpressure chamber extending over the entire length of the roller could be provided, with only certain sections of the roller shell dimensioned according to the partial web widths of the winding rollers being perforated. However, this method does not allow the sections to be subsequently adapted to a changed number of winding rolls and to a change in their width.

Für die verschiedenen Wickelrollen, die auf einem der beiden Wickelbetten entstehen, ist nur ein einziges durchgehendes Längsdichtelement erforderlich, das sich über die gesamte Länge der Tragwalzen erstreckt. Eine Schwierigkeit besteht jedoch darin, daß für jede zu unterstützende Wickelrolle zwei Enddichtelemente erforderlich sind und daß diese Enddichtelemente (wie bei Zwei-Walzen-Wickelmaschinen an sich bekannt) zum Anwickeln jeder neuen Wickelrolle aus ihrer Arbeitsposition entfernt werden müssen. Dies ist erforderlich, weil am Beginn jedes Wickelvorganges für jede neue Wickelrolle ein Wickelkern oder eine Wickelhülse mittels der schon erwähnten Führungseinrichtung in den Grund des Wickelbettes eingelegt werden muß und danach erst allmählich entsprechend dem Anwachsen des Wickelrollendurchmessers nach oben wandert. Erst wenn die Wickelrolle einen bestimmten (ungefähr mittleren) Durchmesser erreicht hat, können die Enddichtelemente in ihre Arbeitsposition gebracht werden. Erst ab diesem Zeitpunkt ist das Aufbauen eines Druckluftpolsters möglich; vorher ist dies wegen des noch geringen Wickelrollengewichtes auch noch nicht notwendig.For the different winding rolls that are created on one of the two winding beds, only a single continuous longitudinal sealing element is required, which extends over the entire length of the support rollers. A difficulty, however, is that two end sealing elements are required for each winding roll to be supported, and that these end sealing elements (as known per se in two-roll winding machines) have to be removed from their working position in order to wind up each new winding roll. This is necessary because at the beginning of each winding process for each new winding roll a winding core or a winding tube must be inserted into the bottom of the winding bed by means of the guide device already mentioned and only then gradually moves upwards in accordance with the increase in the winding roll diameter. Only when the winding roll has reached a certain (approximately average) diameter can the end sealing elements be brought into their working position. Only from this point in time can a compressed air cushion be built up; before this is not necessary because of the still low roll weight.

Ein weiterer Aspekt der Erfindung betrifft das Schaffen von Bewegungs-Mechanismen, die ein selbsttätiges Hin- und Herbewegen der zwei Enddichtelemente an der betreffenden, zu entlastenden Wickelrolle ermöglichen. Ausgangspunkt für eine diesbezügliche Aufgabenlösung ist der Gegenstand der schon genannten DE'906. Aus dieser Schrift ist es bekannt, im Bereich der beiden Stirnseiten jeder einzelnen Wickelrolle je einen Wickelbock vorzusehen.Another aspect of the invention relates to the creation of movement mechanisms which enable the two end sealing elements to be automatically moved back and forth on the winding roll in question to be relieved. The starting point for a related task solution is the subject of DE'906 already mentioned. From this document it is known to provide one winding block in the area of the two end faces of each individual winding roll.

Alle diese Wickelböcke sind an einem Längsträger aufgehängt, der oberhalb der Wickelrollen parallel zur zentralen Wickeltragwalze verläuft. Jeder der Wickelböcke erstreckt sich von diesem Längsträger nach unten in Richtung auf das betreffende Wickelbett; er weist eine z.B. vertikale Führungsschiene auf, die zur Führung eines der genannten Führungselemente für den Wickelkern oder die Wickelhülse dient.All of these winding brackets are suspended from a longitudinal member that runs parallel to the central winding support roller above the winding rollers. Each of the winding blocks extends downward from this longitudinal member in the direction of the relevant winding bed; it has e.g. vertical guide rail, which serves to guide one of the guide elements mentioned for the winding core or the winding tube.

Es wurde nun gefunden, daß an jedem der zwei Wickelböcke einer Wickelrolle ein schwenkbarer Tragarm gelagert werden kann, der um eine zu den Tragwalzenachsen in etwa parallele Drehachse schwenkbar ist und an seinem äußeren Ende eines der Enddichtelemente trägt. Allerdings muß nun darauf geachtet werden, daß das Enddichtelement beim Hin- oder Herschwenken weder mit den Wickeltragwalzen noch mit dem Wickelbock kollidiert. Zu diesem Zweck kann beispielsweise folgendes vorgesehen werden: Am äußeren Ende des Tragarmes ist eine Führungsstange vorgesehen, auf der das Enddichtelement aus seiner Arbeitsposition - nahe an der Stirnseite der Wickelrolle - ungefähr parallel zu deren Achse von der Wickelrolle entfernt werden kann. Die Achse der Führungsstange kann gegenüber der Wickelrollenachse geneigt sein, so daß sich das Enddichtelement beim Entfernen von der Stirnseite der Wickelrolle zugleich auch von den Tragwalzen entfernt. Zusätzlich kann ein unterer Teil jedes Enddichtelementes hochklappbar sein, so daß beim Hochschwenken ein Kollidieren mit der benachbarten äußeren Wickeltragwalze vermieden wird. Ein Antrieb für den Schwenkvorgang wird vorzugsweise im Inneren des betreffenden Wickelbockes untergebracht.It has now been found that a pivotable support arm can be mounted on each of the two winding stands of a winding roll, which can be pivoted about an axis of rotation approximately parallel to the support roller axes and carries one of the end sealing elements at its outer end. However, care must now be taken to ensure that the end sealing element does not collide with the winding support rollers or with the winding frame when swiveling back and forth. For this purpose, the following can be provided, for example: At the outer end of the support arm, a guide rod is provided, on which the end sealing element can be removed from the winding roll from its working position - close to the end face of the winding roll - approximately parallel to its axis. The axis of the guide rod can be inclined with respect to the winding roller axis, so that when the end sealing element is removed from the end face of the winding roller, it is also removed from the support rollers. In addition, a lower part of each end sealing element can be folded up, so that colliding with the adjacent outer winding support roller is avoided when pivoting up. A drive for the pivoting process is preferably housed inside the relevant winding frame.

Die soeben beschriebene Bauweise eines Bewegungs-Mechanismus ist eine von mehreren denkbaren Möglichkeiten. Sie ist besonders geeignet bei besonders beengten Platzverhältnissen. Dies ist z.B. dann der Fall, wenn in einem Wickelbett zwei zu einander benachbarte Wickelrollen, zwischen denen ein nur geringer Abstand besteht, mittels eines Druckluftpolsters entlastet werden sollen. In diesem Falle ist es notwendig, in einem relativ engen Zwischenraum die Bewegungs-Mechanismen für zwei Enddichtelemente unterzubringen. Bei weniger beengten Platzverhältnissen wird man eine vereinfachte Bauweise vorsehen können.The construction of a movement mechanism just described is one of several conceivable options. It is particularly suitable in particularly confined spaces. This is the case, for example, when two winding rolls adjacent to one another, between which there is only a small distance, are to be relieved by means of a compressed air cushion in a winding bed. In this case, it is necessary to accommodate the movement mechanisms for two end sealing elements in a relatively narrow space. If the space is less cramped, a simplified design will be possible.

Beispielsweise kann man an wenigstens einem der Wickelböcke anstelle eines schwenkbaren Tragarmes einen unbeweglichen Tragarm befestigen, der wiederum an seinem freien Ende eines der Enddichtelemente trägt. Dieses ist dann wiederum, wie oben beschrieben, relativ zum Tragarm ungefähr parallel zur Wickelrollenachse verschiebbar.For example, instead of a pivoting support arm, an immobile support arm can be attached to at least one of the winding brackets, which in turn carries one of the end sealing elements at its free end. As described above, this can then be displaced relative to the support arm approximately parallel to the winding roller axis.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnungen beschrieben.An embodiment of the invention is described below with reference to the drawings.

Die Figur 1 zeigt schematisch eine Drei-Walzen-Wickelmaschine.Figure 1 shows schematically a three-roll winding machine.

Die Figur 2 ist eine vergrößerte Darstellung des Bereiches oberhalb der zwei Wickelbetten der in Figur 1 dargestellten Maschine; es ist ein Schnitt entlang der Linie II-II der Figur 3.Figure 2 is an enlarged view of the area above the two changing beds of the machine shown in Figure 1; it is a section along the line II-II of Figure 3.

Die Figur 3 ist ein Schnitt entlang der Linie III-III der Figur 2.FIG. 3 is a section along the line III-III of FIG. 2.

Die Figur 4 ist eine Teilansicht in Richtung des Pfeiles IV der Figur 2.FIG. 4 is a partial view in the direction of arrow IV in FIG. 2.

Die Figur 5 zeigt eine von Fig. 1-4 abweichende Bauweise mit einer unterhalb eines Wickelbetes liegenden sektionierten Überdruckkammer.FIG. 5 shows a construction which differs from FIGS. 1-4 with a sectioned pressure chamber lying below a winding bed.

Die in den Figuren 1-4 dargestellte Wickelmaschine hat ein Maschinengestell mit Ständern 41, die durch Traversen 43 verbunden sind (Figur 1). Die Traversen 43 sind ihrerseits in der Maschinenmitte durch einen Längsträger 45 verbunden. Drei nebeneinander angeordnete Tragwalzen 5, 9' und 9'' erstrecken sich parallel zum Längsträger 45. Jede der Tragwalzen ist mit einem nicht dargestellten Antrieb versehen. Die beiden äußeren Tragwalzen 9' und 9'' erstrecken sich auf gleicher Höhe und haben gleiche, jedoch kleinere Durchmesser als die mittlere Tragwalze 5. Jeweils zwei benachbarte Tragwalzen bilden ein Wickelbett.The winding machine shown in FIGS. 1-4 has a machine frame with stands 41 which are connected by cross members 43 (FIG. 1). The cross members 43 are in turn connected in the middle of the machine by a longitudinal member 45. Three support rollers 5, 9 'and 9''arranged side by side extend parallel to the longitudinal member 45. Each of the support rollers is provided with a drive, not shown. The two outer support rollers 9 'and 9''extend at the same height and have the same, but smaller diameters than the middle support roller 5. Each two adjacent support rollers form a winding bed.

Die längs geschnittene Materialbahn, z. B. Papierbahn, läuft entlang der Linie P über die zentrale Tragwalze 5 in die Maschine ein. Wenigstens eine der geschnittenen Teilbahnen wird auf den Tragwalzen 5 und 9'' zu einem Wickel 7a aufgerollt, während wenigstens eine zweite Teilbahn über den Walzen 9' und 5 zu einem Wickel 7b aufgerollt wird. Gemäß einer Variante kann auch folgendermaßen vorgegangen werden: Die längs geschnittenen Teilbahnen werden schon am Umfang einer Bahnleitwalze 3 getrennt, so daß die wenigstens eine Teilbahn, die für eine Wickelrolle 7a (oder mehrere) bestimmt ist, entlang der strichpunktierten Linie Pa über eine weitere Leitwalze 4 und über die Tragwalze 9'' in die Maschine einläuft. Die andere(n) Teilbahnen(en) läuft bzw. laufen wie bisher entlang der Linie P über die Tragwalzen 5 und 9' auf die Wickelrolle 7b.The longitudinally cut web of material, e.g. B. paper web runs along the line P through the central support roller 5 into the machine. At least one of the cut partial webs is rolled up on the support rollers 5 and 9 '' to form a roll 7a, while at least one second partial web is rolled up over the rollers 9 'and 5 to form a roll 7b. According to a variant, the following can also be carried out: The longitudinally cut partial webs are already separated at the circumference of a web guide roller 3, so that the at least one partial web, which is intended for a winding roller 7a (or more), along the dash-dotted line Pa via a further guide roller 4 and runs into the machine via the support roller 9 ''. The other (s) partial web (s) run or run as before along line P via the support rollers 5 and 9 'onto the winding roll 7b.

Die Figur 3 zeigt unteranderem folgendes: Aufgrund der abwechselnd in die beiden Wickelbetten einlaufenden Teilbahnen besteht z.B. zwischen den beiden Wickelrollen 7b, die in dem einen Wickelbett entstehen, ein axialer Abstand, welcher der Breite der im anderen Wickelbett entstehenden Wickelrolle 7a entspricht.FIG. 3 shows the following, among other things: Because of the partial webs that alternately run into the two winding beds, there is e.g. there is an axial distance between the two winding rolls 7b, which arise in one winding bed, which corresponds to the width of the winding roll 7a formed in the other winding bed.

Am Längsträger 45 sind längsverschiebbare Wickelböcke 47, 49 gelagert, welche nach unten in das jeweilige Wickelbett ragen und zur beidseitigen Führung der Wickelrollen 7a, 7b dienen. In Figur 3 sieht man ein Wickelbock-Paar 47 für die Wickelrolle 7a und je einen Wickelbock 49 von zwei Wickelbock-Paaren für die Wickelrollen 7b. Dort wo die Stirnflächen zweier Wickelrollen 7a und 7b miteinander fluchten, bilden die zwei zu diesen beiden Wickelrollen gehörenden Wickelböcke 47 und 49 eine Baueinheit.Longitudinally displaceable winding blocks 47, 49 are mounted on the longitudinal beam 45, which protrude downward into the respective winding bed and serve to guide the winding rollers 7a, 7b on both sides. FIG. 3 shows a pair of winding blocks 47 for the winding roll 7a and one winding block 49 each of two pairs of winding blocks for the winding rolls 7b. Where the end faces of two winding rollers 7a and 7b are aligned with one another, the two winding stands 47 and 49 belonging to these two winding rollers form a structural unit.

Jeder der Wickelböcke 47, 49 ist mit einer mittels Hubeinrichtung 48 vertikal verschiebbaren Hülsenführung 46 ausgestattet. Jede Hülsenführung 46 trägt einen axial verschiebbaren Spannkopf 50, der in das (von einer Wickelhülse 51 gebildete) Zentrum der betreffenden Wickelrolle eingreift.Each of the winding stands 47, 49 is equipped with a sleeve guide 46 which can be displaced vertically by means of the lifting device 48. Each sleeve guide 46 carries an axially displaceable clamping head 50 which engages in the center (formed by a winding sleeve 51) of the winding roll in question.

Zum Ausstoßen der fertigen Wickelrollen 7a, 7b aus dem entsprechenden Wickelbett sind über der mittleren Tragwalze 5 Ausstoßeinrichtungen 42, 44 vorgesehen, jeweils mit einem Schwenkantrieb 52. Ferner ist jeder der äußeren Tragwalzen 9' und 9'' eine Rollen-Absenkeinrichtung 53, 54 zugeordnet, mit der die ausgestoßenen fertigen Wickelrollen aus der Maschine abgelegt werden.To eject the finished winding rolls 7a, 7b from the corresponding winding bed 5 ejection devices 42, 44 are provided above the middle support roller, each with a swivel drive 52. Furthermore, each of the outer support rollers 9 'and 9' 'is assigned a roller lowering device 53, 54 , with which the ejected finished winding rolls are deposited from the machine.

Die mittlere Tragwalze 5 hat einen (vorzugsweise gemäß DE-PS 3843246) perforierten Walzenmantel und einen Sauganschluß 5a. Hierdurch kann zeitweise im Inneren der Tragwalze 5 Unterdruck erzeugt werden, insbesondere um während des Rollenwechsels nach dem Durchtrennen der Teil-Bahnen die neuen Bahnanfänge an der Tragwalze 5 zu halten.The middle support roller 5 has a perforated roller jacket (preferably according to DE-PS 3843246) and a suction connection 5a. As a result, vacuum can be temporarily generated in the interior of the support roller 5, in particular in order to keep the new web beginnings on the support roller 5 during the roll change after severing the partial webs.

Jede der beiden äußeren Tragwalzen 9' und 9'' hat ebenfalls einen perforierten Walzenmantel und im Inneren einen stationären Überdruckkasten 15, in den eine Druckluftleitung 28 mündet. Der Zwischenraum zwischen dem Walzenmantel und dem Druckluftkasten 15 ist mit Hilfe von Dichtungen in Sektionen unterteilt. Deren Anzahl und Größe ist variierbar. Dadurch kann man an denjenigen Wickelrollen 7a oder 7b, an denen es für erforderlich gehalten wird, zwecks Gewichtsentlastung in dem betreffenden Wickelbett ein Druckluftpolster aufbauen. Hierzu sind beide Wickelbetten von unten her mittels einer Längsdichtleiste 6' abgedichtet. Diese erstreckt sich über die gesamte Länge der Tragwalzen uns ist für Reinigungszwecke und/oder zum Einführen der Materialbahn entfernbar. Innerhalb jeder der äußeren Tragwalzen 9' und 9'' sind auf dem Überdruckkasten 15 Dichtungen derart angeordnet, daß unterhalb der zu entlastenden Wickelrolle eine Druckzone 9a vorhanden ist, die sich in Umfangsrichtung von der engsten Stelle zwischen zwei benachbarten Tragwalzen bis zu der Stelle erstreckt, wo die Wickelrolle 7a oder 7b auf der Tragwalze 9' oder 9'' aufliegt.Each of the two outer carrier rollers 9 'and 9''also has a perforated roller jacket and inside a stationary pressure box 15, into which a compressed air line 28 opens. The space between the roll shell and the compressed air box 15 is divided into sections with the aid of seals. Their number and size can be varied. As a result, a compressed air cushion can be built up on those winding rolls 7a or 7b where it is considered necessary for the purpose of reducing the weight in the winding bed concerned. For this purpose, both changing beds are sealed from below by means of a longitudinal sealing strip 6 '. This extends over the entire length of the support rollers and is removable for cleaning purposes and / or for inserting the material web. Within each of the outer support rollers 9 'and 9'', seals are arranged on the overpressure box 15 such that a pressure zone 9a is present below the winding roller to be relieved, which extends in the circumferential direction from the narrowest point between two adjacent support rollers to the point where the winding roll 7a or 7b rests on the support roller 9 'or 9''.

Zur seitlichen Begrenzung jedes unter einer Wickelrolle erzeugten Druckluftpolsters dienen zwei an den Stirnseiten der betreffenden Wickelrolle 7a oder 7b anlegbare (oder unter die betreffende Wickelrolle einschiebbare) Enddichtelemente 34.Two end sealing elements 34 which can be placed on the end faces of the respective winding roller 7a or 7b (or which can be inserted under the relevant winding roller) serve to limit the lateral pressure of each compressed air cushion generated under a winding roller.

Aus Figur 1 ist noch folgendes ersichtlich: Falls wenigstens eine der Teil-Bahnen entlang der Linie Pa zur Tragwalze 9'' läuft, kann man deren Überdruckkasten 15 dahingehend abwandeln, daß zeitweise eine Saugzone 9b an eine Unterdruckquelle anschließbar ist. In der mittleren Tragwalze 5 kann, falls erforderlich, im Bereich jedes Druckluftpolsters mittels einer stationären Abdeckung 5b das Entweichen von Druckluft durch die Perforation vermieden werden. Im allgemeinen ist jedoch die Perforation im Walzenmantel der Tragwalze 5 so fein, daß auch ohne eine solche Abdeckung ein nennenswerter Druckverlust in den Druckluftpolstern nicht stattfindet.The following can also be seen from FIG. 1: If at least one of the partial webs runs along the line Pa to the supporting roller 9 ″, its overpressure box 15 can be modified such that a suction zone 9b can be connected to a vacuum source at times. If necessary, the escape of compressed air through the perforation in the area of each compressed air cushion in the middle support roller 5 can be avoided by means of a stationary cover 5b. In general, however, the perforation in the roll shell of the support roller 5 is so fine that even without such a cover, there is no significant pressure loss in the compressed air cushion.

Aus den Figuren 2 - 4 ist noch ersichtlich, wie man die Enddichtelemente 34 aus dem Bereich des betreffenden Wickelbettes entfernen kann. Dies ist erforderlich, weil beim Anwickeln neuer Wickelrollen mit Hilfe der Hülsenführungen 46 neue Wickelhülsen 51 in die Wickelbetten eingelegt werden müssen. Dort wo ein Enddichtelement 34 vorgesehen werden muß, hat der betreffende Wickelbock 49 einen Tragarm 60, an dessen freiem Ende das Enddichtelement 34 abgestützt ist. Damit zwischen zwei benachbarten Wickelrollen 7b ein relativ kleiner Abstand einstellbar ist, ist der Tragarm 60 um eine zur Wickelrollenachse parallele Drehachse 61 schwenkbar. Ein Schwenkantrieb für den Tragarm 60 ist mit 62 bezeichnet.It can also be seen from FIGS. 2-4 how the end sealing elements 34 can be removed from the area of the relevant winding bed. This is necessary because when winding new winding rolls with the aid of the sleeve guides 46 new winding sleeves 51 have to be inserted into the winding beds. Where an end sealing element 34 must be provided, the winding block 49 in question has a support arm 60, on the free end of which the end sealing element 34 is supported. So that a relatively small distance can be set between two adjacent winding rollers 7b, the support arm 60 can be pivoted about an axis of rotation 61 parallel to the winding roller axis. A swivel drive for the support arm 60 is designated 62.

Am äußeren Ende des Tragarmes 60 ist eine Führungsstange 63 vorgesehen. Auf dieser kann das Enddichtelement 34 aus seiner Arbeitsposition (nahe an der Stirnseite der Wickelrolle 7b) von der Wickelrolle entfernt werden. Dabei wird gemäß Figur 4 das Enddichtelement 34 vorzugsweise bis hinter die Stirnseite 49a des Wickelbockes 49 verfahren, also bis in die gestrichelt dargestellte Position. Die Achse der Führungsstange 63 ist ungefähr parallel zur Wickelachse; sie kann gemäß Figur 4 relativ zur Wickelachse geneigt sein.At the outer end of the support arm 60, a guide rod 63 is provided. On this, the end sealing element 34 can be removed from its working position (close to the end face of the winding roller 7b) from the winding roller. 4, the end sealing element 34 is preferably moved as far as behind the end face 49a of the winding frame 49, that is to say into the position shown in broken lines. The axis of the guide rod 63 is approximately parallel to the winding axis; according to FIG. 4, it can be inclined relative to the winding axis.

Dadurch gewinnt das Enddichtelement 34 beim Entfernen von der Stirnseite der Wickelrolle 7b zugleich auch einen Abstand zu den Tragwalzen 5 und 9'. Zusätzlich kann ein unterer Teil 34a des Enddichtelementes 34 hochklappbar sein (siehe Figur 4). Durch alle diese Maßnahmen wird erreicht, daß das Enddichtelement 34 beim Entfernen aus dem Wickelbett weder mit den Tragwalzen noch mit dem Wickelbock kollidiert.As a result, the end sealing element 34 also gains a distance from the support rollers 5 and 9 'when removed from the end face of the winding roll 7b. In addition, a lower part 34a of the end sealing element 34 can be folded up (see FIG. 4). All of these measures ensure that the end sealing element 34 does not collide with the support rollers or with the winding frame when removed from the winding bed.

Nachtrag zu den Figuren 2 und 3: Hier ist angenommen, daß die Bahnbreite B der nur teilweise sichtbaren Wickelrollen 7b größer ist als die Bahnbreite b der dazwischen entstehenden Wickelrolle 7a. Deshalb sind nur an den Wickelrollen 7b Einrichtungen zum Erzeugen eines Druckluftpolsters vorgesehen. Mit Doppelpunkt - Strich-Linien 59 sind die mit druckluftbeaufschlagten Sektionen einer stationären Überdruckkammer (z.B. 15 in Figur 1) schematisch angedeutet. Die Länge einer solchen Sektion ist also in der Regel kleiner als die Bahnbreite B der zu entlastenden Wickelrolle 7b. Die stationären Überdruckkammern selbst sind in den Figuren 2 und 3 weggelassen.Addendum to Figures 2 and 3: Here it is assumed that the web width B of the only partially visible winding rolls 7b is greater than the web width b of the winding roll 7a formed between them. Therefore, devices for generating a compressed air cushion are only provided on the winding rollers 7b. The double-dash lines 59 schematically indicate the sections of a stationary overpressure chamber (e.g. 15 in FIG. 1) that are pressurized with compressed air. The length of such a section is therefore generally less than the web width B of the winding roll 7b to be relieved. The stationary pressure chambers themselves are omitted in FIGS. 2 and 3.

Die Figur 5 zeigt eine von den Figuren 1 - 4 abweichende Bauweise eines Überdruckkastens 65. Er ist unterhalb der Wickeltragwalze 9'' schwenkbar um deren Drehachse angeordnet und erstreckt sich im wesentlichen über die gesamte Länge der Tragwalze 9''. Sein Innenraum ist mittels einer Zwischenwand 69, die sich in Längsrichtung durch die gesamte Überdruckkammer erstreckt, in ein mit Druckluft beaufschlagbares Plenum 66 und in eine Düsenkammer 67 unterteilt. Die letztere hat einen in das Wickelbett gerichteten Ausblasschlitz und bildet mit den Tragwalzen 5 und 9'' Dichtspalte. Die Düsenkammer ersetzt somit die in Figur 1 dargestellte Längsdichtleiste 6'. Sie ist mittels zahlreicher achsnormaler Zwischenwände 67 in viele Sektionen unterteilt. Jeder Sektion ist ein Ventil 70 zugeordnet, so daß jede Sektion wahlweise an das Plenum 66 anschließbar ist oder nicht. Hierdurch kann man die Druckluftzufuhr dorthin steuern, wo sie zum Aufbau eines Druckluftpolsters unterhalb einer bestimmten Wickelrolle 7a oder 7b benötigt wird.FIG. 5 shows a construction of an overpressure box 65 that differs from FIGS. 1-4. It is arranged below the winding support roller 9 ″ pivotably about its axis of rotation and extends essentially over the entire length of the support roller 9 ″. Its interior is subdivided by means of an intermediate wall 69, which extends in the longitudinal direction through the entire pressure chamber, into a plenum 66 to which compressed air can be applied and into a nozzle chamber 67. The latter has a blowout slot directed into the winding bed and forms sealing gaps with the support rollers 5 and 9 ''. The nozzle chamber thus replaces the longitudinal sealing strip 6 'shown in Figure 1. It is divided into many sections by means of numerous axially normal partition walls 67. A valve 70 is assigned to each section, so that each section can either be connected to the plenum 66 or not. As a result, the compressed air supply can be controlled to where it is required to build up a compressed air cushion below a specific winding roll 7a or 7b.

Claims (12)

Verfahren zum Aufwickeln von längsgeschnittenen Teilbahnen einer Materialbahn, vorzugsweise Papierbahn, bei dem aus jeder Teilbahn eine Wickelrolle (7a, 7b) gebildet wird und bei dem die Wickelrollen auf zwei aus Wickeltragwalzen (5, 9', 9'') gebildeten Wickelbetten aufliegen,
dadurch gekennzeichnet, daß in jedem Wickelbett unter wenigstens einer wahlbaren Wickelrolle (7a, 7b) ein auf diese Wickelrolle begrenztes Druckluftpolster gebildet wird, wobei das Druckluftpolster durch ein zu den Wickeltragwalzen (5, 9', 9'') paralleles und in den zwischen diesen befindlichen Spalt einführbares Längsdichtelement (6', 68) und durch zwei den Wickelrollen-Enden zugeordnete Enddichtelemente (34) begrenzt wird.Method for winding longitudinally cut partial webs of a material web, preferably paper web, in which a winding roll (7a, 7b) is formed from each partial web and in which the winding rolls rest on two winding beds formed from winding support rollers (5, 9 ', 9''),
characterized in that a compressed air cushion limited to this winding roller is formed in each winding bed under at least one optional winding roller (7a, 7b), the compressed air cushion being formed by a parallel to the winding support rollers (5, 9 ', 9'') and in between them the longitudinal seal element (6 ', 68) which can be inserted and is delimited by two end sealing elements (34) assigned to the ends of the winding rollers. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß dem Druckluftpolster Druckluft über eine in Sektionen unterteilte Überdruckkammer (15, 65) zugeführt wird.Method according to claim 1, characterized in that compressed air is supplied to the compressed air cushion via an overpressure chamber (15, 65) divided into sections. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß das Zuführen der Druckluft aus dem Inneren einer der Wickeltragwalzen (9', 9'') stattfindet, deren Mantel perforiert ist.Method according to claim 2, characterized in that the compressed air is supplied from the inside of one of the winding support rollers (9 ', 9' '), the jacket of which is perforated. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß das Zuführen der Druckluft über das genannte Längsdichtelement (68) stattfindet.Method according to claim 2, characterized in that the compressed air is supplied via said longitudinal sealing element (68). Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß man die Enddichtelemente (34) für das Anwikkeln neuer Wickelrollen (7a, 7b) aus dem Bereich der Wickelbetten entfernt.Method according to one of claims 1 to 4, characterized in that the end sealing elements (34) for the winding of new winding rolls (7a, 7b) are removed from the area of the winding beds. Wickelmaschine zum Durchführen des im Anspruch 1 angegebenen Verfahrens, mit zwei aus Wickeltragwalzen (5, 9', 9'') gebildeten Wickelbetten zur Aufnahme von Wickelrollen (7a, 7b), die aus längsgeschnittenen Teilbahnen einer Materialbahn, vorzugsweise Papierbahn, entstehen,
gekennzeichnet durch die folgenden Merkmale: a) im Bereich wenigstens eines Wickelbettes ist in den zwischen zwei Tragwalzen (5, 9', 9'') befindlichen Spalt von unten her ein Längsdichtelement (6', 68) einführbar; b) an jedem der beiden Enden wenigstens einer einzelnen Wickelrolle (7a, 7b) befindet sich ein entfernbares Enddichtelement (34), das einerseits mit der Wickelrolle und andererseits mit den Mantelflächen der betreffenden Wickeltragwalzen Dichtspalte bildet. Winding machine for carrying out the method specified in claim 1, with two winding beds formed from winding support rollers (5, 9 ', 9'') for receiving winding rolls (7a, 7b) which arise from longitudinally cut partial webs of a material web, preferably paper web,
characterized by the following features: a) in the area of at least one winding bed, a longitudinal sealing element (6 ', 68) can be inserted from below into the gap between two support rollers (5, 9', 9 ''); b) at each of the two ends of at least one individual winding roller (7a, 7b) there is a removable end sealing element (34) which forms sealing gaps on the one hand with the winding roller and on the other hand with the lateral surfaces of the winding support rollers concerned. Wickelmaschine nach Anspruch 6, dadurch gekennzeichnet, daß an dem Wickelbett wenigstens eine der beiden Wickeltragwalzen (9') einen perforierten Walzenmantel und im Inneren eine in Sektionen unterteilbare stationäre Überdruckkammer (15) aufweist, die an eine Druckluftquelle anschließbar ist.Winding machine according to claim 6, characterized in that on the winding bed at least one of the two winding support rollers (9 ') has a perforated roller jacket and inside a stationary pressure chamber (15) which can be divided into sections and which can be connected to a compressed air source. Wickelmaschine nach Anspruch 7, dadurch gekennzeichnet, daß die Größe jeder Sektion an die Teilbahnbreite (B) der betreffenden Wickelrolle (7b) anpaßbar ist.Winding machine according to claim 7, characterized in that the size of each section can be adapted to the partial web width (B) of the winding roll (7b) concerned. Wickelmaschine nach Anspruch 6, dadurch gekennzeichnet, daß das Längsdichtelement (68) Bestandteil einer in Sektionen unterteilbaren Überdruckkammer (65) ist, wobei die Größe jeder Sektion an die Teilbahnbreite (B) der betreffenden Wickelrolle (7b) anpaßbar ist.Winding machine according to Claim 6, characterized in that the longitudinal sealing element (68) is part of a pressure chamber (65) which can be divided into sections, the size of each section being adaptable to the partial web width (B) of the winding roll (7b) concerned. Wickelmaschine nach einem der Ansprüche 6 bis 9, die für jede Wickelrolle (7b) zwei Wickelböcke (49) aufweist, die zum Führen des Wickelkerns oder der Wickelhülse (51) der Wickelrolle dient, dadurch gekennzeichnet, daß jeder Wickelbock (49) einen Tragarm (60) aufweist, an dessen freiem Ende eines der Enddichtelemente (34), vorzugsweise ungefähr parallel zur Wikkelrollendrehachse verschiebbar, abgestützt ist.Winding machine according to one of claims 6 to 9, which has two winding blocks (49) for each winding roll (7b) and which serves to guide the winding core or the winding sleeve (51) of the winding roll, characterized in that each winding block (49) has a support arm (49) 60), on the free end of which one of the end sealing elements (34) is supported, preferably displaceable approximately parallel to the winding roller axis of rotation. Wickelmaschine nach Anspruch 10, dadurch gekennzeichnet, daß wenigstens einer der Tragarme (60) im Wickelbock (49) schwenkbar gelagert ist, wobei die Schwenkachse (61) wenigstens angenähert parallel zur Wickelrollen-Drehachse verläuft.Winding machine according to claim 10, characterized in that at least one of the support arms (60) is pivotally mounted in the winding frame (49), the pivot axis (61) running at least approximately parallel to the axis of rotation of the winding rollers. Wickelmaschine nach Anspruch 11, dadurch gekennzeichnet, daß an jedem Enddichtelement (34) ein in den Grund des Wickelbettes ragender Teil (34 a) hochklappbar ausgebildet ist.Winding machine according to claim 11, characterized in that on each end sealing element (34) a part (34 a) projecting into the base of the winding bed is designed to be foldable.
EP97101107A 1996-02-23 1997-01-24 Method and device for winding a longitudinally cut web of material Expired - Lifetime EP0791549B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19606758 1996-02-23
DE19606758A DE19606758C2 (en) 1996-02-23 1996-02-23 Winding machine

Publications (3)

Publication Number Publication Date
EP0791549A2 true EP0791549A2 (en) 1997-08-27
EP0791549A3 EP0791549A3 (en) 1998-01-07
EP0791549B1 EP0791549B1 (en) 2001-10-10

Family

ID=7786204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101107A Expired - Lifetime EP0791549B1 (en) 1996-02-23 1997-01-24 Method and device for winding a longitudinally cut web of material

Country Status (8)

Country Link
US (1) US5820063A (en)
EP (1) EP0791549B1 (en)
JP (1) JP2941730B2 (en)
AT (1) ATE206683T1 (en)
BR (1) BR9700283A (en)
CA (1) CA2197597C (en)
DE (2) DE19606758C2 (en)
ID (1) ID15980A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0918033A1 (en) * 1997-11-22 1999-05-26 Voith Sulzer Finishing GmbH Winding device and method to take up material webs
DE19837760A1 (en) * 1998-08-20 2000-03-02 Voith Sulzer Papiertech Patent Apparatus for winding web material into a roll with two carrier rollers as a winding bed has a sealing partition assembly which can be set at the roll circumference at the end wall of a pressure chamber to reduce air consumption
EP0987204A1 (en) * 1998-09-15 2000-03-22 Voith Sulzer Papiertechnik Patent GmbH Roll winding device

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19649354B4 (en) * 1996-11-28 2005-11-03 Voith Paper Patent Gmbh Winding machine for paper or board webs
DE19709325A1 (en) * 1997-03-07 1998-09-10 Jagenberg Papiertech Gmbh Carrier roll winding machine
DE19727012A1 (en) * 1997-06-25 1999-01-07 Voith Sulzer Papiermasch Gmbh Winding machine
DE19801599A1 (en) * 1998-01-17 1999-07-22 Voith Sulzer Papiertech Patent Carrier roller winding device
DE19811093A1 (en) * 1998-03-13 1999-09-16 Voith Sulzer Papiertech Patent Roll winding device
DE19839916A1 (en) * 1998-09-02 2000-03-09 Jagenberg Papiertech Gmbh Method and apparatus for reducing the volume or pressure of a fluid being dragged into a gap by moving surfaces
DE19851023B4 (en) * 1998-11-05 2005-11-03 Stora Enso Publication Paper Ag Reel winding device
DE10115862A1 (en) * 2001-03-30 2002-10-17 Jagenberg Papiertech Gmbh Winding machine for winding a material web, in particular a paper or cardboard web, into winding rolls
US11318509B2 (en) * 2017-11-06 2022-05-03 Air Systems Design, Inc. Dust hood

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541906C1 (en) 1985-11-27 1987-02-26 Voith Gmbh J M Winding machine for winding a lengthways divided web
DE3843246C1 (en) 1988-12-22 1990-05-23 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4204136A1 (en) 1991-02-12 1992-08-13 Mitsubishi Electric Corp Semiconductor ROM operated by preset supply voltage - has address signal recognition circuit, generating preset recognition signal
DE4201815A1 (en) 1992-01-24 1993-07-29 Jagenberg Ag METHOD AND MACHINE FOR WINDING A PAPER OR CARDBOARD

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047001B (en) * 1957-09-21 1958-12-18 Goebel Gmbh Maschf Device for relieving the dead weight of winding rolls made of paper, cardboard or similar material webs lying on support rollers
US3346209A (en) * 1965-09-17 1967-10-10 Beloit Corp Winder
US3497151A (en) * 1968-08-14 1970-02-24 Ontario Paper Co Ltd Paper machine winder
US3515183A (en) * 1968-08-14 1970-06-02 Purex Corp Ltd Winders for paper machines
DE3540490C1 (en) * 1985-11-15 1987-03-12 Voith Gmbh J M Winding machine for winding a longitudinally divided web
DE4110047A1 (en) * 1990-08-23 1992-10-01 Jagenberg Ag CARRIER ROLLING MACHINE
DE9201791U1 (en) * 1991-12-13 1992-04-09 J.M. Voith Gmbh, 7920 Heidenheim Winding machine for winding a web, in particular a paper web
DE4219485A1 (en) * 1992-01-24 1993-12-16 Jagenberg Ag Machine for winding paper or cardboard web on winding tubes - has transversely adjustable air boxes for each winding line, height swivelable in direction of winding roller
FI103398B1 (en) * 1993-06-30 1999-06-30 Valmet Paper Machinery Inc Drum winder
ES2119057T5 (en) * 1994-01-31 2001-12-16 Voith Sulzer Papiertech Patent ROLLING MACHINE TO ROLL A CONTINUOUS PAPER BAND.
DE4409036A1 (en) * 1994-03-17 1995-09-21 Jagenberg Ag Winding machine for winding strip of paper or cardboard
DE9414449U1 (en) * 1994-09-06 1996-01-11 Beloit Technologies, Inc., Wilmington, Del. Winding machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3541906C1 (en) 1985-11-27 1987-02-26 Voith Gmbh J M Winding machine for winding a lengthways divided web
DE3843246C1 (en) 1988-12-22 1990-05-23 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4204136A1 (en) 1991-02-12 1992-08-13 Mitsubishi Electric Corp Semiconductor ROM operated by preset supply voltage - has address signal recognition circuit, generating preset recognition signal
DE4201815A1 (en) 1992-01-24 1993-07-29 Jagenberg Ag METHOD AND MACHINE FOR WINDING A PAPER OR CARDBOARD
DE4219415A1 (en) 1992-01-24 1993-12-16 Jagenberg Ag Winding machine for winding a paper or cardboard web

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0918033A1 (en) * 1997-11-22 1999-05-26 Voith Sulzer Finishing GmbH Winding device and method to take up material webs
US6059219A (en) * 1997-11-22 2000-05-09 Voith Sulzer Finishing Gmbh Winding device and process for winding material webs
DE19837760A1 (en) * 1998-08-20 2000-03-02 Voith Sulzer Papiertech Patent Apparatus for winding web material into a roll with two carrier rollers as a winding bed has a sealing partition assembly which can be set at the roll circumference at the end wall of a pressure chamber to reduce air consumption
US6199790B1 (en) 1998-08-20 2001-03-13 Voith Sulzer Papiertechnik Patent Gmbh Reel winding device and process for supporting a winding reel
EP0987204A1 (en) * 1998-09-15 2000-03-22 Voith Sulzer Papiertechnik Patent GmbH Roll winding device
US6360983B1 (en) 1998-09-15 2002-03-26 Voith Sulzer Sulzer Papiertechnik Patent Gmbh Reel winding device and process for supporting a winding reel

Also Published As

Publication number Publication date
DE59704825D1 (en) 2001-11-15
JP2941730B2 (en) 1999-08-30
DE19606758C2 (en) 1999-11-25
BR9700283A (en) 1998-10-27
ID15980A (en) 1997-08-21
EP0791549A3 (en) 1998-01-07
CA2197597A1 (en) 1997-08-24
CA2197597C (en) 2002-08-13
DE19606758A1 (en) 1997-08-28
EP0791549B1 (en) 2001-10-10
US5820063A (en) 1998-10-13
JPH09226990A (en) 1997-09-02
ATE206683T1 (en) 2001-10-15

Similar Documents

Publication Publication Date Title
EP0496863B1 (en) King roll reeling machine
EP0791550B1 (en) Winding machine for winding or unwinding a material web
DE3832601C1 (en) Winding machine for web-like material, especially paper
EP0602199B1 (en) Support-roller-type winding machine
EP0791549B1 (en) Method and device for winding a longitudinally cut web of material
DE19513143C2 (en) Winding machine for winding a running web, in particular a paper web, into a roll
EP0632788A1 (en) Process and machine for winding a paper or cardboard web
EP0781251B1 (en) Winding machine
EP0829439A1 (en) Method and device for winding a longitudinally cut webmaterial
EP0540896B1 (en) Winding machine to roll up webs, especially paper webs
DE19524905A1 (en) Coiling machine with support rolls for winding webs of material, especially paper or cardboard - has movably mounted support rollers with gap between under which is air receiver with compressed air inflow and outlet
EP0382898A2 (en) Winding machine with bearing rollers for winding web materials
DE19624716A1 (en) Winding machine for coiling moving paper web
EP1373111B1 (en) Winding machine for rolling up a strip of material, especially a paper or cardboard strip, into rolls
EP0918033B1 (en) Winding device and method to take up material webs
EP0905070A1 (en) Winding machine with king rolls
DE4026597A1 (en) Web winder for paper large dia. rolls - has seals round winding roll and carrier rollers to build=up overpressure to support increasing wound wt.
DE19709325A1 (en) Carrier roll winding machine
DE8708849U1 (en) Double drum winding machine
DE29806045U1 (en) Processing machine
DE29515848U1 (en) Device for winding a web
DE202004006579U1 (en) Winding system for sheet material on roll has the winding core supported on two rollers and with pivot mounted side plates to form a compressed air cushion to support some of the weight of the roll
DE29606254U1 (en) Device for winding rolls

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT DE ES FI FR IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT DE ES FI FR IT SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VOITH SULZER FINISHING GMBH

17P Request for examination filed

Effective date: 19980228

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VOITH SULZER PAPIERMASCHINEN GMBH

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VOITH SULZER PAPIERTECHNIK PATENT GMBH

17Q First examination report despatched

Effective date: 20000414

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: VOITH PAPER PATENT GMBH

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

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): AT DE ES FI FR IT SE

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 PRE;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.SCRIBED TIME-LIMIT

Effective date: 20011010

Ref country code: FR

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: 20011010

REF Corresponds to:

Ref document number: 206683

Country of ref document: AT

Date of ref document: 20011015

Kind code of ref document: T

REF Corresponds to:

Ref document number: 59704825

Country of ref document: DE

Date of ref document: 20011115

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

Ref country code: AT

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

Effective date: 20020124

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020430

EN Fr: translation not filed
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: SE

Payment date: 20060112

Year of fee payment: 10

Ref country code: DE

Payment date: 20060112

Year of fee payment: 10

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

Ref country code: FI

Payment date: 20060113

Year of fee payment: 10

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

Ref country code: FI

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

Effective date: 20070124

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 NON-PAYMENT OF DUE FEES

Effective date: 20070125

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: 20070801

EUG Se: european patent has lapsed