EP0968945B1 - Unwinding device - Google Patents

Unwinding device Download PDF

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Publication number
EP0968945B1
EP0968945B1 EP99109912A EP99109912A EP0968945B1 EP 0968945 B1 EP0968945 B1 EP 0968945B1 EP 99109912 A EP99109912 A EP 99109912A EP 99109912 A EP99109912 A EP 99109912A EP 0968945 B1 EP0968945 B1 EP 0968945B1
Authority
EP
European Patent Office
Prior art keywords
bearing
bearing supports
supporting shaft
unroll
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99109912A
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German (de)
French (fr)
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EP0968945A2 (en
EP0968945A3 (en
Inventor
Alfons Gnan
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
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BHS Corrugated Maschinen und Anlagenbau GmbH
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Publication of EP0968945A2 publication Critical patent/EP0968945A2/en
Publication of EP0968945A3 publication Critical patent/EP0968945A3/en
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Publication of EP0968945B1 publication Critical patent/EP0968945B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • B65H16/02Supporting web roll
    • B65H16/06Supporting web roll both-ends type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10Size; Dimensions
    • B65H2511/12Width

Definitions

  • the invention relates to a rolling device according to the preamble of Claim 1.
  • Such rolling devices are, for example, from EP 0 629 574 B1 known.
  • the paper roll on the support i.e. opposite the floor, so that the Center axis of the roll parallel to the roll axis of the roll device runs.
  • a device such as that used in EP 0 700 854 is used, for example A2 (corresponding to U.S. Patent 5,755,395) is shown and described.
  • DE 42 24 309 A1 describes a tensioning device for coils or winding cores known for tape material that paired with each other Has coil support arms, the one hand in horizontal in their distance mutually changeable holders are pivotally mounted and on their free ends have receiving pins for receiving a coil.
  • the support arms can be pivoted by means of vertical drives in such a way that their The mounting spigot can be adjusted essentially vertically.
  • the coil support arms are further adjustable in their distance from each other and overall can be moved horizontally across its roll axis. They continue to point a decentering device, by means of which the receiving pins for a coil at the same time and opposite from its coaxially aligned Position can be moved. To function is overall only indicated that the support arms have greater freedom of movement and more extensive Adjustment options for mutual approaching or removing is awarded, which also means an enlarged work area in relation to the width of the spools or winding rolls.
  • a rolling device is also known from DE G 86 29 994 U, in which the support shaft carrying the support arms in a parallel steering system is mounted so that the locating pin is forcibly in one Be guided in the vertical plane.
  • the invention has for its object a rolling device Generic type so that an alignment of the to be recorded Do not roll before being picked up by the roll-off device necessary is.
  • Each rolling device shown in the drawing has - as FIG. 1 and FIG. 3 can be seen - two mirror-symmetrical to one to the plane of the drawing 2 or 4 parallel vertical center plane 2 arranged Unroll devices 1.1a. Because of the mirror symmetry of this Devices 1, 1a subsequently become those on the left in FIGS. 1 and 3, respectively Parts associated with the illustrated device 1 with a simple reference number and that of the device 1a shown in FIGS. 1 and 3 on the right assigned parts with the same reference number with the addition of a "a" denotes, without the need for a double description. As can also be seen in FIGS. 2 and 4, the two rolling devices are 1 and 1a each again largely mirror-symmetrical to a vertical running parallel to the drawing plane of FIGS.
  • the rolling device has a machine frame 4, the two at a distance bearing stands 5, 5 'arranged from one another, which by means of an upper longitudinal beam 6 and lower longitudinal struts 7, 7a stiff with each other are connected.
  • the stands 5, 5 ' are by means of base plates 8, 8' Ground foundations 9, 9 'supported.
  • 10a, 10 ' engages as a sliding drive a swivel drive 12, 12a, as a piston-cylinder drive which can be acted upon with pressure fluid on both sides trained and stationary, but swiveling in one the respective base plate 8, 8 'attached base bearing 13, 13a is.
  • Support shaft 14, 14a supported at both ends, with bearings 15, 15 'or 15a.
  • These bearings 15, 15 'and 15a are designed so that the Support shafts 14, 14a can not only be moved so that their central longitudinal axes 16, 16a parallel to themselves and to the vertical median plane 2 are moved, but that they are also opposite to their longitudinal direction can be pivoted or deflected. So you can be so distracted be that their central longitudinal axes 16,16a substantially in the Horizontal moved out of a position parallel to the vertical center plane 2 become.
  • the bearings 15, 15 'and 15a are, for example, as spherical bearings designed with a certain pivoting mobility and with a certain displacement in the direction of the respective Axis 16 and 16a are mounted in the bearing levers 10, 10 'and 10a.
  • the Bearings 15, 15 'and 15a are located on the base bearings 11, 11a and 11 'opposite upper ends of the bearing levers 10, 10a and 10'.
  • each support shaft 14, 14a there are two support arms at a distance from one another 17, 17 'and 17a attached to the support shaft 14, 14a rotatably.
  • support shafts 14, 14a each point parallel to their central longitudinal axis 16, 16a extending outer guide grooves 18 into which the respective Support arms 17, 17 ', 17a engage trained projections 19, 19a, so that the support arms 17, 17a, 17 'relative to the respective support shaft 14, 14a rotatably but slidably mounted in the longitudinal direction thereof are.
  • Support arms 17, 17 'and 17a are mounting pins 24, 24' attached are directed towards each other in each rolling device 1 or 1a.
  • the swivel drives 12 and 12a of each rolling device 1 and 1a are can be acted upon independently, that is to say can be controlled, so that the triggered movements are independent of each other.
  • the pivot arms 21, 21 ' are pivoted by means of the lifting drives 22, 22' in such a way that that the receiving pin 24, 24 'in a to the central axis 29 of the Roll 28 aligned position come. If the rolling axis 26 is not parallel to the central axis 29, ie not parallel to the vertical central plane 2, runs, then by correspondingly different control the pivot drives 12, the bearing levers 10, 10 'pivoted so that the Roll axis 26 in a position parallel to the central axis 29 of the paper roll 28 is coming.
  • each rolling device 1 and 1a pivoted relative to each other can be, with appropriate pivoting the corresponding central longitudinal axis 16 or 16a of the respective support shaft 14 or 14a and thus the rolling axis 26 or 26a.
  • the bearing lever 10, 10 'and 10a can different non-parallel courses of the central axis 29 of the Roll 28 are balanced relative to the median level 2, as in the for the Unrolling device 1 indicated in Fig. 1 swivel tracks 30 and 31st for the central axis of the roller 28 is shown.
  • the setting drives 20 are controlled in such a way that the receiving pin 24, 24 'concentrically in the paper roll 28 intervene. Then, by appropriate control, the Swivel drives 12, 12 'an alignment of the paper roll 28 in such a way that its central axis 29 in a parallel to the central plane 2 and horizontal position, i.e. the desired starting position. Subsequently it is applied to the lifting drives 22, 22 'in a Unroll suitable position swiveled up.
  • each support shaft 14, 14a in principle only one lifting drive 22 or 22a or 22 'or 22a' is necessary; it is only for each support shaft 14, 14a in the illustrated Embodiments provided two lifting drives 22, 22 'and 22a, 22a', around no significant torsions in the respective support shaft 14 or 14a let develop.
  • Fig. 2 the greatest possible length a is one for the rolling device 1 paper roll 28 to be accommodated and the smallest possible length b a Paper roll 28 shown. 1 is left for the swivel path 30 with the support shaft shifted as far as possible towards the central plane 2 14 the entire pivoting range of the support arms 17, 17 'indicated while in Fig. 1 on the right for the rolling device 1a for the swivel track 31a as far as possible from the center plane 2 pivoted support shaft 14a the largest possible swivel range of the support arms 17a is shown.
  • the control of the various drives that can be pressurized with fluid, thus the swivel drives 12 and 12a, the shift drives 20, 20a and the lifting drives 22, 22 ', 22a, 22a' takes place in a known manner, for example via solenoid valves, which in turn are only indicated central controller 33 are controlled.
  • This central controller 33 receives signals from only indicated sensors 32, 32 ', 32a, the actual position the paper roll 28, specifically its distance from the donors and thus from the vertical center plane 2.
  • the paper roll 28 donors 34 and 34a are provided, the distance the paper roll 28 from the respective upper encoder 34 or 34a and thus capture the distance 29 over the pad 27. Of these donors 34, or 34a, the diameter of the roller 28 is detected.
  • the encoders 32, 32 'and 32a In contrast, with the encoders 32, 32 'and 32a, the skew of the axis 29 relative to the vertical center plane 2. Such an imbalance can, for example up to +/- 60 mm, which can be compensated. Furthermore can be activated via a suitable control of the part-turn actuators 12 or 12a uneven web tension can be compensated.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

Die Erfindung betrifft eine Abroll-Einrichtung nach dem Oberbegriff des Anspruches 1.The invention relates to a rolling device according to the preamble of Claim 1.

Derartige Abroll-Einrichtungen sind beispielsweise aus der EP 0 629 574 B1 bekannt. Hierbei werden die Tragwellen über eine stationäre Steuerkurve derart geführt, daß die durch die Aufnahmezapfen definierte Abrollachse für die Rolle über einer ortsfesten, die Papier-Rolle auf dem Boden aufnehmenden Auflage in einer Vertikalebene bewegt wird, so daß unterschiedlich dicke Papier-Rollen, deren Mittel-Achse also entsprechend unterschiedlichen Höhen-Abstand über der Auflage hat, sicher ergriffen werden können. Bei dieser bekannten Abroll-Einrichtung muß die Papier-Rolle auf der Auflage, also gegenüber dem Boden, so ausgerichtet sein, daß die Mittel-Achse der Rolle parallel zur Abroll-Achse der Abroll-Einrichtung verläuft. Zum entsprechenden Ausrichten der Mittel-Achse einer Papier-Rolle dient beispielsweise eine Vorrichtung, wie sie in der EP 0 700 854 A2 (entspr. US-Patent 5 755 395) dargestellt und beschrieben ist.Such rolling devices are, for example, from EP 0 629 574 B1 known. Here, the support shafts over a stationary control curve guided such that the rolling axis defined by the receiving pin for the roll over a stationary, the paper roll on the floor Edition is moved in a vertical plane so that different thick paper rolls, their center axis accordingly different Height distance above the pad has to be gripped safely can. In this known roll-off device, the paper roll on the support, i.e. opposite the floor, so that the Center axis of the roll parallel to the roll axis of the roll device runs. For the corresponding alignment of the center axis of a paper roll A device such as that used in EP 0 700 854 is used, for example A2 (corresponding to U.S. Patent 5,755,395) is shown and described.

Aus der EP 0 387 365 B1 (entspr. US-Patent 4,930,713) ist eine weitere Abroll-Einrichtung bekannt, bei der die die Tragarme tragende Tragwelle über Exzenter-Kurvenscheiben geführt ist. Hierdurch ist es ebenfalls möglich, die Aufnahmezapfen der Tragarme in einer Vertikalebene zu bewegen, so dass unterschiedlich dicke Papier-Rollen sicher ergriffen werden können.Another is from EP 0 387 365 B1 (corresponding to US Pat. No. 4,930,713) Unwinding device known in which the support shaft carrying the support arms is guided over eccentric cams. This also makes it possible move the support pins of the support arms in a vertical plane, so that paper rolls of different thicknesses can be gripped safely can.

Aus der DE 42 24 309 A1 ist eine Spannvorrichtung für Spulen oder Wickelkerne für Bandmaterial bekannt, die paarweise einander zugeordnete Spulen-Tragarme aufweist, die einerseits in horizontal in ihrem Abstand zueinander veränderbaren Haltern schwenkbar gelagert sind und die an ihren freien Enden Aufnahmezapfen zur Aufnahme einer Spule aufweisen. Die Tragarme sind mittels vertikaler Antriebe derartig schwenkbar, dass ihre Aufnahmezapfen im Wesentlichen vertikal verstellt werden. Die Spulen-Tragarme sind weiter in ihrem Abstand zueinander verstellbar und insgesamt horizontal quer zu ihrer Abroll-Achse verschiebbar. Sie weisen weiterhin eine Dezentriereinrichtung auf, mittels derer die Aufnahmezapfen für eine Spule gleichzeitig und entgegengesetzt aus ihrer koaxial fluchtenden Position verschoben werden können. Zur Funktion ist insgesamt nur angegeben, dass den Tragarmen eine größere Bewegungsfreiheit und umfassendere Verstellmöglichkeiten für gegenseitiges Annähern oder Entfernen verliehen sei, wodurch auch ein vergrößerter Arbeitsbereich in Bezug auf die Breite der Spulen oder Wickelrollen entstehe.DE 42 24 309 A1 describes a tensioning device for coils or winding cores known for tape material that paired with each other Has coil support arms, the one hand in horizontal in their distance mutually changeable holders are pivotally mounted and on their free ends have receiving pins for receiving a coil. The support arms can be pivoted by means of vertical drives in such a way that their The mounting spigot can be adjusted essentially vertically. The coil support arms are further adjustable in their distance from each other and overall can be moved horizontally across its roll axis. They continue to point a decentering device, by means of which the receiving pins for a coil at the same time and opposite from its coaxially aligned Position can be moved. To function is overall only indicated that the support arms have greater freedom of movement and more extensive Adjustment options for mutual approaching or removing is awarded, which also means an enlarged work area in relation to the width of the spools or winding rolls.

Aus der DE G 86 29 994 U ist weiterhin eine Abroll-Einrichtung bekannt, bei der die die Tragarme tragende Tragwelle in einem Parallel-Lenk-System gelagert ist, so dass die Aufnahmezapfen zwangsweise in einer Vertikalebene geführt werden.A rolling device is also known from DE G 86 29 994 U, in which the support shaft carrying the support arms in a parallel steering system is mounted so that the locating pin is forcibly in one Be guided in the vertical plane.

Der Erfindung liegt die Aufgabe zugrunde, eine Abroll-Einrichtung der gattungsgemäßen Art so auszugestalten, dass ein Ausrichten der aufzunehmenden Rolle vor der Aufnahme durch die Abroll-Einrichtung nicht notwendig ist. The invention has for its object a rolling device Generic type so that an alignment of the to be recorded Do not roll before being picked up by the roll-off device necessary is.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale im Kennzeichnungsteil des Anspruches 1 gelöst. Dadurch, dass die Tragwelle und damit die Abroll-Achse nicht nur parallel zu sich selbst, sondern auch gegenüber sich selbst in der Horizontalen um einige Grad verschwenkbar ist, wozu die Verschiebeantriebe der Lagerträger unabhängig voneinander ansteuerbar sind, dass also die Lagerträger einer Abroll-Vorrichtung relativ zueinander bewegbar sind, können die Aufnahmezapfen einer Abroll-Vorrichtung in eine Position gebracht werden, in der die durch sie definierte Abroll-Achse mit der Mittel-Achse der vor der Einrichtung liegenden Papier-Rolle fluchtet.This object is achieved by the features in the labeling part of claim 1 solved. In that the support shaft and thus the roll axis not only parallel to itself, but also opposite itself can be swiveled a few degrees horizontally, which is why Sliding drives of the bearing supports can be controlled independently of one another are that the bearing bracket of a rolling device relative to each other are movable, the receiving pin of a rolling device in be brought into a position in which the roll axis defined by them aligned with the center axis of the paper roll lying in front of the device.

Die Unteransprüche geben vorteilhafte Ausgestaltungen wieder. The subclaims represent advantageous refinements.

Weitere Merkmale, Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung zweier Ausführungsbeispiele anhand der Zeichnung. Es zeigt:

Fig. 1
eine teilweise aufgebrochene Seitenansicht einer Abroll-Einrichtung entsprechend dem Sichtpfeil in Fig. 2,
Fig. 2
eine Längsansicht der Abroll-Einrichtung gemäß dem Sichtpfeil II in Fig. 1,
Fig. 3
eine Seitenansicht einer abgewandelten Ausführungsform einer Abroll-Einrichtung entsprechend dem Sichtpfeil m in Fig. 4 und
Fig. 4
eine Längsansicht der abgewandelten Ausführungsform einer Abroll-Einrichtung gemäß dem Sichtpfeil IV in Fig. 3.
Further features, advantages and details of the invention result from the following description of two exemplary embodiments with reference to the drawing. It shows:
Fig. 1
3 shows a partially broken side view of a roll-off device according to the arrow in FIG. 2,
Fig. 2
2 shows a longitudinal view of the rolling device according to the arrow II in FIG. 1,
Fig. 3
a side view of a modified embodiment of a rolling device according to the arrow m in Fig. 4 and
Fig. 4
3 shows a longitudinal view of the modified embodiment of a rolling device according to the arrow IV in FIG. 3.

Die in den Figuren 1 bis 4 dargestellten Ausführungsformen einer Abroll-Einrichtung stimmen weitgehend überein. Die nachfolgende Beschreibung gilt daher für beide Ausführungsformen, soweit nicht ausdrücklich auf Unterschiede hingewiesen wird. Teile, die ganz wesentlich in den beiden Ausführungsformen übereinstimmen und sich nur durch geringfügige, für die Erfindung nicht relevante konstruktive Einzelheiten unterscheiden, werden trotzdem mit denselben Bezugsziffern versehen.The embodiments of a rolling device shown in Figures 1 to 4 largely agree. The following description therefore applies to both embodiments, unless expressly to differences is pointed out. Parts that are quite essential in the two embodiments match and differ only by minor, for which Distinguish design details not relevant to the invention nevertheless provided with the same reference numbers.

Jede in der Zeichnung dargestellte Abroll-Einrichtung weist - wie Fig. 1 und Fig. 3 entnehmbar ist - zwei spiegelsymmetrisch zu einer zur Zeichnungsebene nach Fig. 2 bzw. 4 parallelen vertikalen Mittel-Ebene 2 angeordnete Abroll-Vorrichtungen 1,1a auf. Wegen der Spiegelsymmetrie dieser Vorrichtungen 1, 1a werden nachfolgend die der in Fig. 1 bzw. 3 links dargestellten Vorrichtung 1 zugeordneten Teile mit einer einfachen Bezugsziffer und die der in Fig. 1 bzw. 3 rechts dargestellten Vorrichtung 1a zugeordneten Teile mit derselben Bezugsziffer unter Hinzufügung eines "a" bezeichnet, ohne daß es jeweils einer doppelten Beschreibung bedarf. Wie weiterhin Fig. 2 bzw. 4 entnehmbar ist, sind die beiden Abroll-Vorrichtungen 1 und 1a jeweils selber wieder weitgehend spiegelsymmetrisch zu einer parallel zur Zeichnungsebene der Fig. 1 bzw. 3 verlaufenden vertikalen Mittelebene 3 aufgebaut. Aus diesem Grunde werden die in Fig. 2 bzw. 4 rechts dargestellten, ebenfalls in Fig. 1 bzw. 3 sichtbaren Teile mit Bezugsziffern ohne einen hochgesetzten Strich bezeichnet, während die in Fig. 2 bzw. 4 links dargestellten Teile mit derselben Bezugsziffer, aber zusätzlich einem hochgesetzten Strich bezeichnet werden, ohne daß es insoweit jeweils einer gesonderten Beschreibung bedürfte.Each rolling device shown in the drawing has - as FIG. 1 and FIG. 3 can be seen - two mirror-symmetrical to one to the plane of the drawing 2 or 4 parallel vertical center plane 2 arranged Unroll devices 1.1a. Because of the mirror symmetry of this Devices 1, 1a subsequently become those on the left in FIGS. 1 and 3, respectively Parts associated with the illustrated device 1 with a simple reference number and that of the device 1a shown in FIGS. 1 and 3 on the right assigned parts with the same reference number with the addition of a "a" denotes, without the need for a double description. As can also be seen in FIGS. 2 and 4, the two rolling devices are 1 and 1a each again largely mirror-symmetrical to a vertical running parallel to the drawing plane of FIGS. 1 and 3 Middle level 3 built. For this reason, those in FIG. 2 and 4 shown on the right, also in Fig. 1 and 3 visible parts Reference numerals denoted without a prime, while the in Fig. 2 and 4 parts shown on the left with the same reference number, but in addition a superscript stroke, without it being so far each require a separate description.

Die Abroll-Einrichtung weist ein Maschinengestell 4 auf, das zwei im Abstand voneinander angeordnete Lager-Ständer 5, 5' aufweist, die mittels eines oberen Längsbalkens 6 und unterer Längsstreben 7, 7a steif miteinander verbunden sind. Die Ständer 5, 5' sind mittels Bodenplatten 8, 8' auf Bodenfundamenten 9, 9' abgestützt.The rolling device has a machine frame 4, the two at a distance bearing stands 5, 5 'arranged from one another, which by means of an upper longitudinal beam 6 and lower longitudinal struts 7, 7a stiff with each other are connected. The stands 5, 5 'are by means of base plates 8, 8' Ground foundations 9, 9 'supported.

Bei der Ausführungsform nach den Fig. und 2 ist auf jeder Bodenplatte 8, 8' für jede Abroll-Vorrichtung 1, 1a als Lagerträger ein Lager-Hebel 10, 10a bzw. 10' in einem an der jeweiligen Bodenplatte 8, 8' angeordneten ortsfesten Basislager 11, 11a, 11' schwenkbar gelagert. An dem jeweiligen Lagerhebel 10, 10a, 10' greift als Verschiebeantrieb ein Schwenkantrieb 12, 12a an, der als mit Druckfluid doppelseitig beaufschlagbarer Kolben-Zylinder-Antrieb ausgebildet und ortsfest, aber verschwenkbar in einem an der jeweiligen Bodenplatte 8, 8' angebrachten Bodenlager 13,13a angelenkt ist.In the embodiment according to FIGS. 2 and 2, on each base plate 8, 8 ', a bearing lever 10 for each rolling device 1, 1a as a bearing bracket, 10a or 10 'in a arranged on the respective base plate 8, 8' stationary base bearing 11, 11a, 11 'pivotally mounted. At the respective Bearing lever 10, 10a, 10 'engages as a sliding drive a swivel drive 12, 12a, as a piston-cylinder drive which can be acted upon with pressure fluid on both sides trained and stationary, but swiveling in one the respective base plate 8, 8 'attached base bearing 13, 13a is.

In den Lagerhebeln 10, 10' der Abroll-Vorrichtung 1 und entsprechend auch in den Lagerhebeln 10a der anderen Abroll-Vorrichtung 1a ist eine Tragwelle 14, 14a an ihren beiden Enden gelagert und zwar mit Lagern 15, 15' bzw. 15a. Diese Lager 15, 15' bzw. 15a sind so ausgebildet, daß die Tragwellen 14, 14a nicht nur so bewegt werden können, daß ihre Mittel-Längs-Achsen 16, 16a parallel zu sich selbst und zur vertikalen Mittelebene 2 verschoben werden, sondern daß sie auch gegenüber ihrer Längsrichtung verschwenkt bzw. ausgelenkt werden können. Sie können also so ausgelenkt werden, daß ihre Mittel-Längs-Achsen 16,16a im wesentlichen in der Horizontalen aus einer Lage parallel zur vertikalen Mittelebene 2 herausbewegt werden. Hierzu sind die Lager 15, 15' bzw. 15a beispielsweise als sphärische Lager ausgebildet, die mit einer gewissen Schwenk-Beweglichkeit und mit einer gewissen Verschiebbarkeit in Richtung der jeweiligen Achse 16 bzw. 16a in den Lagerhebeln 10, 10' bzw. 10a gelagert sind. Die Lager 15, 15' bzw. 15a befinden sich an den den Basislagern 11, 11a bzw. 11' entgegengesetzten oberen Enden der Lagerhebel 10, 10a bzw. 10'.In the bearing levers 10, 10 'of the rolling device 1 and accordingly there is also one in the bearing levers 10a of the other rolling device 1a Support shaft 14, 14a supported at both ends, with bearings 15, 15 'or 15a. These bearings 15, 15 'and 15a are designed so that the Support shafts 14, 14a can not only be moved so that their central longitudinal axes 16, 16a parallel to themselves and to the vertical median plane 2 are moved, but that they are also opposite to their longitudinal direction can be pivoted or deflected. So you can be so distracted be that their central longitudinal axes 16,16a substantially in the Horizontal moved out of a position parallel to the vertical center plane 2 become. For this purpose, the bearings 15, 15 'and 15a are, for example, as spherical bearings designed with a certain pivoting mobility and with a certain displacement in the direction of the respective Axis 16 and 16a are mounted in the bearing levers 10, 10 'and 10a. The Bearings 15, 15 'and 15a are located on the base bearings 11, 11a and 11 'opposite upper ends of the bearing levers 10, 10a and 10'.

Auf jeder Tragwelle 14, 14a sind im Abstand voneinander zwei Tragarme 17, 17' bzw. 17a gegenüber der Tragwelle 14, 14a drehfest angebracht. Die Tragwellen 14, 14a weisen hierzu jeweils parallel zu ihrer Mittel-Längs-Achse 16, 16a verlaufende äußere Führungsnuten 18 auf, in die am jeweiligen Tragarm 17, 17', 17a ausgebildete Führungsvorsprünge 19, 19a eingreifen, so daß die Tragarme 17, 17a, 17' relativ zur jeweiligen Tragwelle 14, 14a drehfest aber in deren Längsrichtung verschiebbar auf dieser gelagert sind. Die paarweise Längsverschiebung bzw. Längseinstellung der auf einer Tragwelle 14 bzw. 14a angeordneten Tragarme 17, 17' bzw. 17a andererseits zueinander erfolgt mittels zweier Einstellantriebe 20, 20', bei denen es sich ebenfalls um mit Druckfluid beaufschlagte Kolben-Zylinder-Antriebe handelt, deren eines Ende am Tragarm 17 bzw. 17' und deren anderes Ende jeweils an der Tragwelle 14 bzw. 14' angelenkt ist, wie insbesondere Fig. 2 bzw. 4 entnehmbar ist.On each support shaft 14, 14a there are two support arms at a distance from one another 17, 17 'and 17a attached to the support shaft 14, 14a rotatably. The For this purpose, support shafts 14, 14a each point parallel to their central longitudinal axis 16, 16a extending outer guide grooves 18 into which the respective Support arms 17, 17 ', 17a engage trained projections 19, 19a, so that the support arms 17, 17a, 17 'relative to the respective support shaft 14, 14a rotatably but slidably mounted in the longitudinal direction thereof are. The pairwise longitudinal displacement or longitudinal adjustment of the a support shaft 14 and 14a arranged support arms 17, 17 'and 17a on the other hand to each other takes place by means of two adjustment drives 20, 20 ', which are also piston-cylinder drives with pressurized fluid acts, one end of the support arm 17 or 17 'and the other End is articulated on the support shaft 14 or 14 ', as in particular 2 and 4 can be removed.

Im Bereich der jeweiligen Enden der Tragwellen 14, 14a also benachbart zu den Lagern 15, 15a bzw. 15' sind an den Tragwellen 14, 14a Schwenkarme 21, 21a bzw. 21', 21'a angebracht. An den freien Enden dieser Schwenkarme 21, 21a bzw. 21', 21'a greifen Hubantriebe 22, 22a bzw. 22', 22'a an, bei denen es sich ebenfalls um mit Druckfluid doppelseitig beaufschlagbare Kolben-Zylinder-Antriebe handelt, die einerseits im oberen Bereich der Lager-Ständer 5, 5' und andererseits an den einander zugewandten freien Enden der Schwenkarme 21, 21a bzw. 21', 21'a angelenkt sind, wie den Fig. 1 bis 4 entnehmbar ist.In the area of the respective ends of the support shafts 14, 14a, that is, adjacent to the bearings 15, 15a and 15 'are pivot arms on the support shafts 14, 14a 21, 21a and 21 ', 21'a attached. At the free ends of this Swivel arms 21, 21a and 21 ', 21'a grip lifting drives 22, 22a and 22', 22'a, which are also pressurized on both sides Piston-cylinder drives are acting on the one hand in the upper area the bearing stand 5, 5 'and on the other hand on the facing each other free ends of the swivel arms 21, 21a and 21 ', 21'a are articulated, 1 to 4 can be seen.

An den der jeweiligen Tragwelle 14, 14a abgewandten freien Enden der Tragarme 17, 17' bzw. 17a sind Aufnahmezapfen 24, 24' angebracht, die bei jeder Abroll-Vorrichtung 1 bzw. 1a aufeinanderzu gerichtet sind. Diese Aufnahmezapfen 24, 24' sind mittels am jeweiligen Tragarm 17, 17' bzw. 17a angebrachter, auch als Bremsen betreibbarer Abroll-Antriebe 25, 25', 25a antreibbar bzw. bremsbar. Die ein Paar von Aufnahmezapfen 24, 24' verbindenden Abroll-Achsen 26 bzw. 26a sind aufgrund der geschilderten Verschwenkbarkeit der Achsen 16, 16a ebenfalls nicht nur parallel zu sich selbst verschiebbar, sondern auch aus ihrer Lage heraus auslenkbar.At the free ends of the respective support shaft 14, 14a Support arms 17, 17 'and 17a are mounting pins 24, 24' attached are directed towards each other in each rolling device 1 or 1a. This Locating pins 24, 24 'are attached to the respective support arm 17, 17' or 17a attached rolling drives 25, 25 'which can also be operated as brakes, 25a drivable or braked. Which a pair of receiving pins 24, 24 ' connecting rolling axes 26 and 26a are due to the described Pivots of the axes 16, 16a also not only parallel to themselves itself slidable, but also deflectable from its position.

Die Schwenkantriebe 12 bzw. 12a jeder Abroll-Vorrichtung 1 bzw. 1a sind unabhängig voneinander beaufschlagbar, also ansteuerbar, so daß die durch sie ausgelösten Bewegungen unabhängig voneinander sind.The swivel drives 12 and 12a of each rolling device 1 and 1a are can be acted upon independently, that is to say can be controlled, so that the triggered movements are independent of each other.

Nachfolgend wird die Wirkungsweise der Abroll-Einrichtung beschrieben. Ausgegangen wird davon, daß auf einer Auflage 27 eine gestrichelt angedeutete Papier-Rolle 28 abgelegt ist, die mittels der Abroll-Vorrich-tung 1 aufgenommen, zentriert und zum Abrollen hochgeschwenkt werden soll.The mode of operation of the rolling device is described below. It is assumed that on an edition 27 a dashed line Paper roll 28 is deposited, which by means of the unrolling device 1 to be picked up, centered and swiveled up for rolling.

Mittels der Hubantriebe 22, 22' werden die Schwenkarme 21, 21' so verschwenkt, daß die Aufnahmezapfen 24, 24' in eine zur Mittel-Achse 29 der Rolle 28 fluchtende Lage kommen. Wenn die Abroll-Achse 26 nicht parallel zur Mittel-Achse 29, also nicht parallel zur vertikalen Mittelebene 2, verläuft, dann werden durch entsprechend unterschiedliche Ansteuerung der Schwenkantriebe 12 die Lagerhebel 10, 10' so verschwenkt, daß die Abrollachse 26 in eine Lage parallel zur Mittel-Achse 29 der Papier-Rolle 28 kommt. In Fig. 1 ist angedeutet, in welchem Maße die Lagerhebel 10, 10' bzw. 10a jeder Abroll-Vorrichtung 1 bzw. 1a relativ zueinander verschwenkt werden können, und zwar unter entsprechender Verschwenkung der entsprechenden Mittel-Längs-Achse 16 bzw. 16a der jeweiligen Tragwelle 14 bzw. 14a und damit der Abrollachse 26 bzw. 26a. Durch gleichzeitige gegensinnige Verschwenkung der Lagerhebel 10, 10' bzw. 10a können unterschiedliche nichtparallele Verläufe der Mittel-Achse 29 der Rolle 28 relativ zur Mittelebene 2 ausgeglichen werden, wie in den für die Abroll-Vorrichtung 1 in Fig. 1 angedeuteten Schwenkbahnen 30 bzw. 31 für die Mittel-Achse der Rolle 28 dargestellt ist. Wenn die durch die Aufnahmezapfen 24 bzw. 24' definierte Abrollachse 26 mit der Mittel-Achse 29 der Rolle 28 fluchtet, dann werden die Einstellantriebe 20 derart angesteuert, daß die Aufnahmezapfen 24, 24' konzentrisch in die Papier-Rolle 28 eingreifen. Anschließend erfolgt durch entsprechende Ansteuerung der Schwenkantriebe 12, 12' ein Ausrichten der Papier-Rolle 28 in der Weise, daß ihre Mittel-Achse 29 in eine parallel zur Mittelebene 2 verlaufende und horizontale Lage, also die gewünschte Ausgangslage, kommt. Anschließend wird sie durch Beaufschlagung der Hubantriebe 22, 22' in eine zum Abrollen geeignete Stellung hochgeschwenkt. Für jede Tragwelle 14, 14a ist im Grundsatz nur ein Hubantrieb 22 bzw. 22a oder 22' bzw. 22a' notwendig; es sind lediglich für jede Tragwelle 14, 14a in den dargestellten Ausführungsformen zwei Hubantriebe 22, 22' bzw. 22a, 22a' vorgesehen, um in der jeweiligen Tragwelle 14 bzw. 14a keine nennenswerten Torsionen entstehen zu lassen.The pivot arms 21, 21 'are pivoted by means of the lifting drives 22, 22' in such a way that that the receiving pin 24, 24 'in a to the central axis 29 of the Roll 28 aligned position come. If the rolling axis 26 is not parallel to the central axis 29, ie not parallel to the vertical central plane 2, runs, then by correspondingly different control the pivot drives 12, the bearing levers 10, 10 'pivoted so that the Roll axis 26 in a position parallel to the central axis 29 of the paper roll 28 is coming. In Fig. 1 it is indicated to what extent the bearing lever 10, 10 'and 10a of each rolling device 1 and 1a pivoted relative to each other can be, with appropriate pivoting the corresponding central longitudinal axis 16 or 16a of the respective support shaft 14 or 14a and thus the rolling axis 26 or 26a. By simultaneous opposite pivoting of the bearing levers 10, 10 'and 10a can different non-parallel courses of the central axis 29 of the Roll 28 are balanced relative to the median level 2, as in the for the Unrolling device 1 indicated in Fig. 1 swivel tracks 30 and 31st for the central axis of the roller 28 is shown. If that through the mounting pin 24 or 24 'defined rolling axis 26 with the central axis 29 of the roller 28 is aligned, then the setting drives 20 are controlled in such a way that the receiving pin 24, 24 'concentrically in the paper roll 28 intervene. Then, by appropriate control, the Swivel drives 12, 12 'an alignment of the paper roll 28 in such a way that its central axis 29 in a parallel to the central plane 2 and horizontal position, i.e. the desired starting position. Subsequently it is applied to the lifting drives 22, 22 'in a Unroll suitable position swiveled up. For each support shaft 14, 14a in principle only one lifting drive 22 or 22a or 22 'or 22a' is necessary; it is only for each support shaft 14, 14a in the illustrated Embodiments provided two lifting drives 22, 22 'and 22a, 22a', around no significant torsions in the respective support shaft 14 or 14a let develop.

In Fig. 2 ist für die Abroll-Vorrichtung 1 die größtmögliche Länge a einer aufzunehmenden Papier-Rolle 28 und die kleinstmögliche Länge b einer Papier-Rolle 28 dargestellt. Weiterhin ist in Fig. 1 links für die Schwenkbahn 30 mit weitestmöglich zur Mittelebene 2 hin verschobener Tragwelle 14 der gesamte Schwenkbereich der Tragarme 17, 17' angedeutet, während in Fig. 1 rechts für die Abrollvorrichtung 1a für die Schwenkbahn 31a bei weitestmöglich von der Mittelebene 2 weggeschwenkter Tragwelle 14a der hierbei größtmögliche Schwenkbereich der Tragarme 17a dargestellt ist. Die Ansteuerung der verschiedenen mit Druckfluid beaufschlagbaren Antriebe, also der Schwenkantriebe 12 und 12a, der Verschiebeantriebe 20, 20a und der Hubantriebe 22, 22', 22a, 22a' erfolgt in bekannter Weise, beispielsweise über Magnetventile, die wiederum von einer nur angedeuteten zentralen Steuerung 33 angesteuert werden. Diese zentrale Steuerung 33 erhält von nur angedeuteten Gebern 32, 32', 32a Signale, die die Ist-Stellung der Papier-Rolle 28, und zwar konkret deren Abstand von den Gebern und damit von der vertikalen Mittelebene 2, erfassen. Weiterhin sind oberhalb der Papier-Rolle 28 Geber 34 bzw. 34a vorgesehen, die den Abstand der Papier-Rolle 28 vom jeweiligen oberen Geber 34 bzw. 34a und damit den Abstand 29 über der Auflage 27 erfassen. Von diesen Gebern 34, bzw. 34a wird also der Durchmesser der Rolle 28 erfaßt. Demgegenüber wird mit den Gebern 32, 32' bzw. 32a die Schieflage der Achse 29 relativ zur vertikalen Mittelebene 2 erfaßt. Eine solche Schieflage kann beispielsweise bis zu +/- 60 mm betragen, die ausgeglichen werden können. Im übrigen können über eine entsprechende Ansteuerung der Schwenkantriebe 12 bzw. 12a ungleichmäßige Bahnspannungen ausgeglichen werden.In Fig. 2, the greatest possible length a is one for the rolling device 1 paper roll 28 to be accommodated and the smallest possible length b a Paper roll 28 shown. 1 is left for the swivel path 30 with the support shaft shifted as far as possible towards the central plane 2 14 the entire pivoting range of the support arms 17, 17 'indicated while in Fig. 1 on the right for the rolling device 1a for the swivel track 31a as far as possible from the center plane 2 pivoted support shaft 14a the largest possible swivel range of the support arms 17a is shown. The control of the various drives that can be pressurized with fluid, thus the swivel drives 12 and 12a, the shift drives 20, 20a and the lifting drives 22, 22 ', 22a, 22a' takes place in a known manner, for example via solenoid valves, which in turn are only indicated central controller 33 are controlled. This central controller 33 receives signals from only indicated sensors 32, 32 ', 32a, the actual position the paper roll 28, specifically its distance from the donors and thus from the vertical center plane 2. Furthermore are Above the paper roll 28 donors 34 and 34a are provided, the distance the paper roll 28 from the respective upper encoder 34 or 34a and thus capture the distance 29 over the pad 27. Of these donors 34, or 34a, the diameter of the roller 28 is detected. In contrast, with the encoders 32, 32 'and 32a, the skew of the axis 29 relative to the vertical center plane 2. Such an imbalance can, for example up to +/- 60 mm, which can be compensated. Furthermore can be activated via a suitable control of the part-turn actuators 12 or 12a uneven web tension can be compensated.

Bei der Ausführungsform nach den Figuren 3 und 4 sind die Tragwellen 14, 14a mittels der Lager 15, 15', 15a in horizontal und quer zur vertikalen Mittelebene 2 verschiebbaren Lagerträgern 35, 35', 35a gelagert, die wiederum in Schienen 36, 36', 36a verschiebbar geführt sind, die an den Lager-Ständern 5, 5' angebracht sind. Da bei dieser Ausgestaltung die Lagerträger 35, 35', 35a ausschließlich horizontale Bewegungen ausführen, greifen die Verschiebeantriebe 37, 37a ebenfalls horizontal an, sind also einerseits an den Lagerträgern 35, 35a und andererseits in etwa gleicher Höhe am Lager-Ständer 5 angelenkt. Auch für diese Ausführungsform ist in Fig. 3 die weitestmöglich nach innen eingezogene und die weitestmöglich nach außen ausgeschobene Stellung des jeweiligen Lagerträgers 35 bzw. 35a dargestellt, woraus sich auch die horizontale Verschwenkbarkeit der Abroll-Achse 26 bzw. 26a ergibt.In the embodiment according to Figures 3 and 4 are the support shafts 14, 14a by means of the bearings 15, 15 ', 15a in horizontal and transverse to the vertical Center plane 2 slidable bearing supports 35, 35 ', 35a, which in turn are slidably guided in rails 36, 36 ', 36a on the bearing stands 5, 5 'are attached. Since the bearing bracket in this embodiment 35, 35 ', 35a only perform horizontal movements, grip the displacement drives 37, 37a also on horizontally, so they are on the one hand on the bearing supports 35, 35a and on the other hand at approximately the same height hinged to the bearing stand 5. For this embodiment too, FIG. 3 the most inward and the most inward outwardly extended position of the respective bearing bracket 35 or 35a shown, which also results in the horizontal pivotability of the rolling axis 26 or 26a results.

Claims (7)

  1. An unroll device for paper reels (28) with at least one unroll stand (1, 1a), comprising
    a machine frame (4), which has two bearing stands (5, 5') spaced apart;
    bearing supports (10, 10', 10a; 35, 35', 35a), which are guided substantially horizontally movably on the bearing stands (5, 5');
    shifting drives (12, 12a; 37, 37a) acting on the bearing supports (10, 10', 10a; 35, 35', 35a);
    a supporting shaft (14, 14a), the ends of which are run on the bearing supports (10, 10', 10a; 35, 35', 35a);
    lugs (17, 17', 17a), which are guided on the supporting shaft (14, 14a) non-rotatably relative thereto, but displaceably in their longitudinal direction;
    centering pivots (24, 24', 24a) for holding a reel (28), which are mounted on the lugs (17, 17', 17a) and define an unrolling axis (26, 26a); and
    at least one lifting drive (22, 22', 22a, 22'a) coupled to the supporting shaft (14, 14a);
    characterized in that the supporting shaft (14, 14a) is run on the bearing supports (10, 10', 10a; 35, 35', 35a) such that its central longitudinal axis (16, 16a) is not only displaceable parallel to itself, but is also pivotal about a base position substantially in a horizontal plane; and
    in that the shifting drives (12, 12'; 37, 37') can be operated individually.
  2. An unroll device according to claim 1, characterized in that the supporting shaft (14, 14a) is run on the bearing supports (10, 10', 10a; 35, 35', 35a) by means of spherical bearings (15, 15', 15a).
  3. An unroll device according to claim 1 or 2, characterized in that clearance in the direction of the central longitudinal axis (16, 16a) exists between the supporting shaft (14, 14a) and the bearing supports (10, 10', 10a; 35, 35', 35a).
  4. An unroll device according to one of claims 1 to 3, characterized in that the bearing supports are bearing levers (10, 10', 10a) pivotally articulated to the bearing stands (5, 5').
  5. An unroll device according to one of claims 1 to 3, characterized in that the bearing supports (35, 35', 35a) are formed substantially horizontally displaceably on the bearing stand (5, 5').
  6. An unroll device according to one of claims 1 to 5, characterized in that at least one transmitter (34, 34a) is provided for detecting the distance of a central longitudinal axis (29) of the reel (28) from the transmitter (34, 34a).
  7. An unroll device according to one of claims 1 to 6, characterized in that transmitters (32, 32', 32a) are provided for detecting an oblique position of the reel (28).
EP99109912A 1998-06-03 1999-05-20 Unwinding device Expired - Lifetime EP0968945B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19824695A DE19824695A1 (en) 1998-06-03 1998-06-03 Paper roll holder for manufacture of corrugated paper allows holder lever
DE19824695 1998-06-03

Publications (3)

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EP0968945A2 EP0968945A2 (en) 2000-01-05
EP0968945A3 EP0968945A3 (en) 2000-08-23
EP0968945B1 true EP0968945B1 (en) 2003-07-30

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Application Number Title Priority Date Filing Date
EP99109912A Expired - Lifetime EP0968945B1 (en) 1998-06-03 1999-05-20 Unwinding device

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US (1) US6267320B1 (en)
EP (1) EP0968945B1 (en)
JP (1) JPH11349194A (en)
DE (2) DE19824695A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2353023B (en) * 1999-08-07 2001-07-04 Walter Stephen Weston Shaftless reel stand
US6484964B1 (en) * 2000-08-17 2002-11-26 Elco Enterprises, Inc. Welding wire dereeler
FI125210B (en) * 2011-03-08 2015-07-15 Valmet Technologies Inc Arrangement for handling loads
CN104925554B (en) * 2014-01-23 2018-02-02 弗斯伯股份公司 For unwinding the unwinding equipment of sheet material volume
CN107310957B (en) * 2017-08-16 2019-02-22 南京安顺自动化装备有限公司 Station type rolling slitter arm forced locking device
FR3089509B1 (en) * 2018-12-11 2021-01-01 Additif Lifting device

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Publication number Priority date Publication date Assignee Title
US1869545A (en) * 1929-04-22 1932-08-02 Goss Printing Press Co Ltd Web roll supporting mechanism
US3175779A (en) * 1962-12-19 1965-03-30 Samuel M Langston Co Roll lift shaft mounting
IT1116309B (en) * 1977-06-02 1986-02-10 Bugnone Aldo TAPE WRAPPING AND UNWINDING DEVICE FOR PRINTING MACHINES, PAINTING MACHINES, COUPLING MACHINES OR SIMILAR
JPS57184045A (en) * 1981-05-09 1982-11-12 Mitsubishi Heavy Ind Ltd Mill roll stand
GB2106875B (en) * 1981-10-05 1985-06-26 Rengo Co Ltd Automatically mounting a web roll on a mill roll stand
DE8629994U1 (en) 1986-11-08 1987-10-01 Peters Maschinenfabrik Gmbh, 2000 Hamburg, De
DE3715475A1 (en) * 1987-05-08 1988-12-22 Jagenberg Ag DEVICE FOR UNWINDING A MATERIAL COIL FROM A ROLL
US4930713A (en) * 1989-03-10 1990-06-05 Mitsubishi Jukogyo Kabushiki Kaisha Mill roll stand
DE4008897A1 (en) * 1990-03-20 1991-09-26 Peter Maier Sliding ring bearing for winding rod spigots - has shaft with recess closable by movable side ring
FR2693711A1 (en) * 1992-07-25 1994-01-21 Ozcariz Basterra Laureano Machine for fixing bobbins.
US5320296A (en) * 1992-07-30 1994-06-14 Laureano Ozcariz Roll handling machine
DE4318632A1 (en) * 1993-06-04 1994-12-08 Bielomatik Leuze & Co Loading device for material rolls, in particular for paper rolls
DE9414677U1 (en) * 1994-09-09 1994-12-15 Bhs Corr Masch & Anlagenbau Paper roll transport and alignment device for a paper processing unwinding device

Also Published As

Publication number Publication date
EP0968945A2 (en) 2000-01-05
EP0968945A3 (en) 2000-08-23
JPH11349194A (en) 1999-12-21
US6267320B1 (en) 2001-07-31
DE19824695A1 (en) 1999-12-09
DE59906418D1 (en) 2003-09-04

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