EP0548305B1 - Guide for heavy winding roller - Google Patents

Guide for heavy winding roller Download PDF

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Publication number
EP0548305B1
EP0548305B1 EP92912837A EP92912837A EP0548305B1 EP 0548305 B1 EP0548305 B1 EP 0548305B1 EP 92912837 A EP92912837 A EP 92912837A EP 92912837 A EP92912837 A EP 92912837A EP 0548305 B1 EP0548305 B1 EP 0548305B1
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EP
European Patent Office
Prior art keywords
guide
winding
journal
guide part
pct
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP92912837A
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German (de)
French (fr)
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EP0548305A1 (en
Inventor
Reinhard Hehner
Ewald Georg Welp
Georg Müller
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Jagenberg AG
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Jagenberg AG
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Publication of EP0548305A1 publication Critical patent/EP0548305A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type

Definitions

  • the invention relates to a guide head for heavy winding rolls according to the preamble of claim 1.
  • guide heads are used to hold the winding rolls during winding or unwinding.
  • Two guide heads each freely rotatable or drivable in the winding machine (e.g. in winding frames), move into the winding tube of the winding roll on each side.
  • winding rolls are not supported during winding or unwinding, e.g. B. by a support or support roller, there may be a deflection of the sleeves usually made of cardboard in the area between the two guide heads, which causes roll errors in particularly heavy winding rolls due to their own weight.
  • the roller then turns somewhat eccentrically in the area of the sleeve, which results in restoring forces during rotation, which lead to shifting of the winding layers. These layer shifts can cause core locations and crepe folds in the core area of the winding roll.
  • a generic, arranged on a drivable shaft end clamping head which consists of a guide part and a torque-transmitting part.
  • the guide part contains a hub which is connected in a rotationally fixed manner to the shaft end and has an essentially cylindrical, slightly convex surface which is surrounded by a support sleeve.
  • the support sleeve has axial slots distributed over the circumference at the end located towards the shaft end, so that it can perform a tilting movement so that its circumferential surface can follow the bending line of the winding sleeve.
  • the second part which is connected in a rotationally fixed manner to the guide part, has a segment sleeve with multiple axially slits with pressure elements which press the segments radially outward when the segment sleeve is rotated, so that torques can be transmitted.
  • the second part has radial play with respect to the first part and can be tilted so that it can adapt to the orientation of the sleeve.
  • This very complex clamping head with radially expanding clamping segments is designed for the transmission of torques.
  • the guide part sits non-rotatably on the driven shaft, which must therefore be rotatably mounted in the winding machine.
  • the invention has for its object to provide a structurally simple guide head that can adapt to the bending line of a sleeve.
  • the guide part is rotatably mounted on a non-rotatable pin which is therefore easy to store in the winding machine. If no external radial forces act, the support element centers the guide part coaxial to the pin axis so that the guide heads can be easily inserted into new winding tubes.
  • the arrangement of the pivot bearing in the region of the pin end, ie outside the machine part to which the guide head is attached, has the further advantage that the non-rotatable pin can be easily axially displaceably mounted, e.g. B. by a centrally acting spindle drive. Since the two guide heads holding a winding roll have to be moved apart in the axial direction for unloading or hanging in a winding roll or a winding tube, this can be done without moving the machine part to which the guide heads are attached. The guide heads can simply be sunk into the machine part.
  • Fig. 1 shows a longitudinal section through a guide head according to the invention.
  • the guide head shown in Fig. 1 is used to hold a winding roll when winding in a winding machine.
  • the known winding machines for winding heavy winding rolls from paper or cardboard webs have individual winding stations, each of which consists of two winding blocks 1, one of which is partially shown in FIG. 1.
  • a guide head which can be moved into the sleeve 2 of a winding roll is fastened to each winding block 1 and is described in more detail below.
  • the guide head consists of a pin 3, 4, 5 with a circular cross-section, which is rotatably and axially displaceable with its part 3 in the winding block 1 by means of a spindle drive for countersinking the guide head when changing the winding reel.
  • the end of the pin 3 consisting of two parts 4, 5, each with a decreasing diameter, is located outside the winding block 1.
  • a hollow cylindrical outer guide part 6 is rotatably fastened, the outer diameter of which is the inner diameter the sleeve 2 is adapted.
  • the guide part 6 has at its end facing the winding block 1 a bead-like stop 7 for the sleeves 2, at its other end it extends approximately beyond the length of the parts 4, 5 of the pin 3.
  • the guide part 6 is fastened on the pin 3 by means of an angularly movable radial bearing 8 and can be tilted to a limited extent, which is arranged in the region of the outer part 5.
  • the angularly movable radial bearing 8 is a spherical roller bearing (as in the present example) or a spherical ball bearing, the outer race of which is fitted on the inner surface of the guide part 6 and the inner race of which is fitted on the outer surface of the journal part 5.
  • the spherical roller bearing 8 is secured against axial displacement by a locking ring 9.
  • the beginning of the guide part 6 is rotatable on the pin part 4 and supported by a circumferential, radially elastically deformable element.
  • a needle bearing 10 is seated on the pin part 4 and an elastic O-ring 11 is drawn over the outer raceway thereof.
  • the O-ring 11 presses the guide part 6 into a position coaxial to the axis of the pin 3, provided that no external forces, e.g. B. the roll weight.
  • the O-ring 11 likewise seals the guide head on the inside on the side facing the winding frame 1.
  • the guide part 2 is closed on the inside with a disk 12 which is sealed with a sealing ring 13 and has a central lubrication opening 14. Lubricant can be supplied via the opening 14 into the space thus closed with the two bearings 8, 10.
  • the sleeve 2 of the winding roll held laterally by two guide heads bends due to its own weight.
  • the guide part 2 of the guide head is able to follow the bending line of the sleeve 2, it adapts by tilting perpendicular to the pin axis of the bending line of the sleeve 2.
  • the tilting movement is limited by the O-ring 11, the tilting angle to the pin axis is max. 10 °, preferably between 0.5 and 5 °.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

PCT No. PCT/EP92/01460 Sec. 371 Date Feb. 13, 1993 Sec. 102(e) Date Feb. 13, 1993 PCT Filed Feb. 16, 1993 PCT Pub. No. WO93/01116 PCT Pub. Date Jan. 21, 1993.The guide head for heavy rolls includes a bracket, a nonrotatable trunnion formed with three parts each having a respective outer surface, a rotatable hollow guide formed with a an annular surface, a radial bearing spaced radially inwardly from the inner surface of the guide and forming therewith a an annular clearance receiving an elastic O-ring capable of deforming under the load mounted on the guide.

Description

Die Erfindung betrifft einen Führungskopf für schwere Wickelrollen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a guide head for heavy winding rolls according to the preamble of claim 1.

An Wickelmaschinen zum Auf- oder Abwickeln von Wickelrollen aus Papier- oder Kartonbahnen werden Führungsköpfe verwendet, um die Wickelrollen beim Auf- oder Abwickeln zu halten. Jeweils zwei frei drehbar oder antreibbar in der Wickelmaschine (z. B. in Wickelböcken) gelagerte Führungsköpfe fahren dabei an jeder Seite in die Wickelhülse der Wickelrolle ein.On winding machines for winding or unwinding winding rolls from paper or cardboard webs, guide heads are used to hold the winding rolls during winding or unwinding. Two guide heads, each freely rotatable or drivable in the winding machine (e.g. in winding frames), move into the winding tube of the winding roll on each side.

Falls die Wickelrollen beim Auf- oder Abwickeln nicht unterstützt werden, z. B. durch eine Stütz- oder Tragwalze, kann es bei besonders schweren Wickelrollen durch das Eigengewicht zu einer Durchbiegung der üblicherweise aus Karton gefertigten Hülsen im Bereich zwischen den beiden Führungsköpfen kommen, die Rollenfehler verursacht. Die Rolle dreht dann im Bereich der Hülse etwas exzentrisch, woraus beim Drehen Rückstellkräfte resultieren, die zu Wickellagenverschiebungen führen. Diese Lagenverschiebungen können im Kernbereich der Wickelrolle Kernplatzstellen und Kreppfalten verursachen.If the winding rolls are not supported during winding or unwinding, e.g. B. by a support or support roller, there may be a deflection of the sleeves usually made of cardboard in the area between the two guide heads, which causes roll errors in particularly heavy winding rolls due to their own weight. The roller then turns somewhat eccentrically in the area of the sleeve, which results in restoring forces during rotation, which lead to shifting of the winding layers. These layer shifts can cause core locations and crepe folds in the core area of the winding roll.

Stand der TechnikState of the art

Aus der DE 25 26 497-B1 ist ein gattungsgemäßer, an einem antreibbaren Wellenende angeordneter Spannkopf bekannt, der aus einem Führungsteil und einem Drehmoment übertragenden Teil besteht. Das Führungsteil enthält eine mit dem Wellenende drehfest verbundene Nabe mit einer im wesentlichen zylindrischen, leicht balligen Oberfläche, die von einer Traghülse umgeben ist. Die Traghülse weist an dem zum Wellenende hin gelegenen Ende über den Umfang verteilt axiale Schlitze auf, so daß sie eine Neigbewegung durchführen kann, damit ihre Umfangsfläche der Biegelinie der Wickelhülse folgen kann. Der mit dem Führungsteil drehfest verbundene zweite Teil weist eine mehrfach axial geschlitzte Segmenthülse mit Druckelementen auf, die die Segmente bei einem Verdrehen der Segmenthülse radial nach außen drücken, damit Drehmomente übertragen werden können. Der zweite Teil weist gegenüber dem ersten Teil radiales Spiel auf und ist neigbar, damit er sich der Ausrichtung der Hülse anpassen kann. Durch die Anpassung der beiden Teile an die Biegelinie der Wickelhülsen wird die Beanspruchung der Wickelhülse an ihren Enden vermindert.From DE 25 26 497-B1 a generic, arranged on a drivable shaft end clamping head is known, which consists of a guide part and a torque-transmitting part. The guide part contains a hub which is connected in a rotationally fixed manner to the shaft end and has an essentially cylindrical, slightly convex surface which is surrounded by a support sleeve. The support sleeve has axial slots distributed over the circumference at the end located towards the shaft end, so that it can perform a tilting movement so that its circumferential surface can follow the bending line of the winding sleeve. The second part, which is connected in a rotationally fixed manner to the guide part, has a segment sleeve with multiple axially slits with pressure elements which press the segments radially outward when the segment sleeve is rotated, so that torques can be transmitted. The second part has radial play with respect to the first part and can be tilted so that it can adapt to the orientation of the sleeve. By adapting the two parts to the bending line of the winding tubes, the stress on the winding tube at its ends is reduced.

Dieser konstruktiv sehr aufwendige Spannkopf mit radial expandierenden Spannsegmenten ist zur Übertragung von Drehmomenten ausgelegt. Der Führungsteil sitzt drehfest auf der angetriebenen Welle, die daher aufwendig drehbar in der Wickelmaschine gelagert sein muß.This very complex clamping head with radially expanding clamping segments is designed for the transmission of torques. The guide part sits non-rotatably on the driven shaft, which must therefore be rotatably mounted in the winding machine.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt die Aufgabe zugrunde, einen konstruktiv einfachen Führungskopf zu schaffen, der sich der Biegelinie einer Hülse anpassen kann.The invention has for its object to provide a structurally simple guide head that can adapt to the bending line of a sleeve.

Diese Aufgabe wird mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of patent claim 1.

Nach der Erfindung ist das Führungsteil drehbar auf einem drehfesten und somit einfach in der Wickelmaschine zu lagernden Zapfen gelagert. Falls keine äußeren radialen Kräfte einwirken, zentriert das Stützelement das Führungsteil koaxial zur Zapfenachse, damit die Führungsköpfe problemlos in neue Wickelhülsen eingefahren werden können.According to the invention, the guide part is rotatably mounted on a non-rotatable pin which is therefore easy to store in the winding machine. If no external radial forces act, the support element centers the guide part coaxial to the pin axis so that the guide heads can be easily inserted into new winding tubes.

Die Anordnung des Drehlagers im Bereich des Zapfenendes, also außerhalb des Maschinenteils, an dem der Führungskopf befestigt ist, hat den weiteren Vorteil, daß der drehfeste Zapfen konstruktiv einfach axial verschiebbar gelagert werden kann, z. B. durch einen zentral angreifenden Spindeltrieb. Da die zwei eine Wickelrolle haltenden Führungsköpfe zum Entladen oder Einhängen einer Wickelrolle bzw. einer Wickelhülse in axialer Richtung auseinandergefahren werden müssen, kann dies ohne eine Bewegung des Maschinenteils erfolgen, an dem die Führungsköpfe befestigt sind. Die Führungsköpfe können einfach in dem Maschinenteil versenkt werden.The arrangement of the pivot bearing in the region of the pin end, ie outside the machine part to which the guide head is attached, has the further advantage that the non-rotatable pin can be easily axially displaceably mounted, e.g. B. by a centrally acting spindle drive. Since the two guide heads holding a winding roll have to be moved apart in the axial direction for unloading or hanging in a winding roll or a winding tube, this can be done without moving the machine part to which the guide heads are attached. The guide heads can simply be sunk into the machine part.

Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausgestaltungen der Erfindung.The subclaims contain preferred, since particularly advantageous, embodiments of the invention.

Kurze Beschreibung der ZeichnungBrief description of the drawing

Die Zeichnung dient zur Erläuterung der Erfindung anhand eines vereinfacht dargestellten Ausführungsbeispiels.The drawing serves to explain the invention with reference to an embodiment shown in simplified form.

Fig. 1 zeigt einen Längsschnitt durch einen Führungskopf nach der Erfindung.Fig. 1 shows a longitudinal section through a guide head according to the invention.

Weg zur Ausführung der ErfindungWay of carrying out the invention

Der in Fig. 1 gezeigte Führungskopf dient zum Halten einer Wickelrolle beim Aufwickeln in einer Wickelmaschine. Die bekannten Wickelmaschinen zum Aufwickeln von schweren Wickelrollen aus Papier- oder Kartonbahnen weisen einzelne Wickelstationen auf, die jeweils aus zwei Wickelböcken 1 bestehen, von denen einer teilweise in Fig. 1 dargestellt ist. An jedem Wickelbock 1 ist ein in die Hülse 2 einer Wickelrolle einfahrbarer Führungskopf befestigt, der nachfolgend näher beschrieben wird.The guide head shown in Fig. 1 is used to hold a winding roll when winding in a winding machine. The known winding machines for winding heavy winding rolls from paper or cardboard webs have individual winding stations, each of which consists of two winding blocks 1, one of which is partially shown in FIG. 1. A guide head which can be moved into the sleeve 2 of a winding roll is fastened to each winding block 1 and is described in more detail below.

Der Führungskopf besteht aus einem Zapfen 3, 4, 5 mit kreisförmigem Querschnitt, der drehfest und zum Versenken des Führungskopfes bei einem Wickelrollenwechsel mit seinem Teil 3 im Wickelbock 1 mittels eines Spindeltriebs axial verschiebbar gelagert ist. In der herausgefahrenen Arbeitsposition nach Fig. 1 befindet sich das aus zwei Teilen 4, 5 mit jeweils abnehmendem Durchmesser bestehende Ende des Zapfens 3 außerhalb des Wickelbocks 1. Auf den Teilen 4, 5 ist ein hohlzylinderförmiges äußeres Führungsteil 6 drehbar befestigt, dessen Außendurchmesser dem Innendurchmesser der Hülse 2 angepaßt ist. Das Führungsteil 6 weist an seinem dem Wickelbock 1 zugewandten Ende einen wulstartigen Anschlag 7 für die Hülsen 2 auf, an seinem anderen Ende reicht es etwa um die Länge der Teile 4, 5 des Zapfens 3 über diesen hinaus.The guide head consists of a pin 3, 4, 5 with a circular cross-section, which is rotatably and axially displaceable with its part 3 in the winding block 1 by means of a spindle drive for countersinking the guide head when changing the winding reel. In the extended working position according to FIG. 1, the end of the pin 3 consisting of two parts 4, 5, each with a decreasing diameter, is located outside the winding block 1. On the parts 4, 5, a hollow cylindrical outer guide part 6 is rotatably fastened, the outer diameter of which is the inner diameter the sleeve 2 is adapted. The guide part 6 has at its end facing the winding block 1 a bead-like stop 7 for the sleeves 2, at its other end it extends approximately beyond the length of the parts 4, 5 of the pin 3.

Das Führungsteil 6 ist auf dem Zapfen 3 mittels eines winkelbeweglichen Radiallagers 8 drehbar und begrenzt kippbar befestigt, das im Bereich des äußeren Teils 5 angeordnet ist. Bevorzugt ist das winkelbewegliche Radiallager 8 ein Pendelrollenlager (wie im vorliegenden Beispiel) oder ein Pendelkugellager, dessen äußere Laufbahn an der Innenfläche des Führungsteils 6 und dessen innere Laufbahn auf der Außenfläche des Zapfenteils 5 eingepaßt ist. Gegen eine axiale Verschiebung ist das Pendelrollenager 8 durch einen Sicherungsring 9 gesichert.The guide part 6 is fastened on the pin 3 by means of an angularly movable radial bearing 8 and can be tilted to a limited extent, which is arranged in the region of the outer part 5. Preferably, the angularly movable radial bearing 8 is a spherical roller bearing (as in the present example) or a spherical ball bearing, the outer race of which is fitted on the inner surface of the guide part 6 and the inner race of which is fitted on the outer surface of the journal part 5. The spherical roller bearing 8 is secured against axial displacement by a locking ring 9.

Der Anfang des Führungsteils 6 ist auf den Zapfenteil 4 drehbar und von einem umfänglichen, radial elastisch verformbaren Element abgestützt gelagert. Dazu sitzt auf dem Zapfenteil 4 ein Nadellager 10, über dessen äußere Laufbahn ein elastischer O-Ring 11 gezogen ist. Der O-Ring 11 drückt das Führungsteil 6 in eine zur Achse des Zapfens 3 koaxiale Lage, sofern keine äußeren Kräfte, z. B. das Rollengewicht, einwirken. Der O-Ring 11 dichtet gleichfalls den Führungskopf innen an der dem Wickelbock 1 zugewandten Seite ab.The beginning of the guide part 6 is rotatable on the pin part 4 and supported by a circumferential, radially elastically deformable element. For this purpose, a needle bearing 10 is seated on the pin part 4 and an elastic O-ring 11 is drawn over the outer raceway thereof. The O-ring 11 presses the guide part 6 into a position coaxial to the axis of the pin 3, provided that no external forces, e.g. B. the roll weight. The O-ring 11 likewise seals the guide head on the inside on the side facing the winding frame 1.

Mit geringem Abstand vom Ende des Zapfenteils 5 ist das Führungsteil 2 innen mit einer Scheibe 12 abgeschlossen, die mit einem Dichtring 13 abgedichtet ist und eine zentrale Schmieröffnung 14 aufweist. Über die Öffnung 14 kann Schmiermittel in den so geschlossenen Raum mit den beiden Lagern 8, 10 zugeführt werden.At a short distance from the end of the pin part 5, the guide part 2 is closed on the inside with a disk 12 which is sealed with a sealing ring 13 and has a central lubrication opening 14. Lubricant can be supplied via the opening 14 into the space thus closed with the two bearings 8, 10.

Beim Auf- oder Abwickeln von schweren Wickelrollen (Breite > 2300 mm, Durchmesser > 1150 mm) biegt sich die Hülse 2 der von zwei Führungsköpfen seitlich gehaltenen Wickelrolle aufgrund des Eigengewichts durch. Das Führungsteil 2 des Führungskopfes ist in der Lage, der Biegelinie der Hülse 2 zu folgen, es paßt sich durch Kippen senkrecht zur Zapfenachse der Biegelinie der Hülse 2 an. Die Kippbewegung wird durch den O-Ring 11 begrenzt, der Kippwinkel zur Zapfenachse beträgt max. 10°, bevorzugt zwischen 0,5 und 5°. Aufgrund der Anpassung des Führungsteils 6 an die Biegelinie der Hülse 2 werden beim Auf- oder Abwickeln Rückstellkräfte, die zu Wickellagenverschiebungen führen, im wesentlichen vermieden. Diese Lagenverschiebungen im Kernbereich der Wickelrolle können zu Kernplatzstellen und Kreppfalten führen.When winding or unwinding heavy winding rolls (width> 2300 mm, diameter> 1150 mm), the sleeve 2 of the winding roll held laterally by two guide heads bends due to its own weight. The guide part 2 of the guide head is able to follow the bending line of the sleeve 2, it adapts by tilting perpendicular to the pin axis of the bending line of the sleeve 2. The tilting movement is limited by the O-ring 11, the tilting angle to the pin axis is max. 10 °, preferably between 0.5 and 5 °. Due to the adaptation of the guide part 6 to the bending line of the sleeve 2, restoring forces which lead to displacements in the winding position are substantially avoided during winding or unwinding. These changes in position in the core area of the winding roll can lead to core locations and crepe folds.

Claims (4)

  1. Guide head for heavy winding rolls, having an essentially hollow-cylindrical guide part (6) which is retractable into a sleeve (2) of the winding roll and is mounted on a journal (4, 5) such that it is angularly movable to a limited extent, characterized in that the guide part (6) is mounted rotatably on a rotationally secure journal (4, 5) of circular cross-section, there being disposed between the journal (4, 5) and the guide part (6), in the region of the journal end (5), an angularly movable radial bearing (8) and, before this, a peripheral supporting element (11) which is elastically deformable in the radial direction.
  2. Guide head according to Claim 1, characterized by a spherical roller bearing or self-aligning bearing as an angularly movable radial bearing (8).
  3. Guide head according to Claim 1 or 2, characterized in that, as supporting element (11), an elastic O-ring is disposed between the guide part (6) and a radial bearing (10) seated on the journal (journal part 4).
  4. Guide head according to one of Claims 1 to 3, characterized in that the guide part (6) reaches beyond the end of the journal (5) and is tightly sealed on the inside by a washer (12).
EP92912837A 1991-07-13 1992-06-29 Guide for heavy winding roller Expired - Lifetime EP0548305B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4123304A DE4123304C2 (en) 1991-07-13 1991-07-13 Guide head for heavy winding rolls
DE4123304 1991-07-13
PCT/EP1992/001460 WO1993001116A1 (en) 1991-07-13 1992-06-29 Guide for heavy winding roller

Publications (2)

Publication Number Publication Date
EP0548305A1 EP0548305A1 (en) 1993-06-30
EP0548305B1 true EP0548305B1 (en) 1995-02-15

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EP92912837A Expired - Lifetime EP0548305B1 (en) 1991-07-13 1992-06-29 Guide for heavy winding roller

Country Status (9)

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US (1) US5322233A (en)
EP (1) EP0548305B1 (en)
JP (1) JPH06500985A (en)
AT (1) ATE118455T1 (en)
CA (1) CA2090017A1 (en)
DE (2) DE4123304C2 (en)
ES (1) ES2071505T3 (en)
FI (1) FI931115A0 (en)
WO (1) WO1993001116A1 (en)

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ES2213983T3 (en) * 1999-10-07 2004-09-01 Itw Mima Systems, S.A. QUICK REMOVAL MECHANISM FOR MOUNTED ROLLERS.
DE10055478B4 (en) * 2000-11-09 2005-05-25 Brückner Maschinenbau GmbH Clamping device in particular for holding a winding tube for a winding machine
EP1951748B1 (en) 2005-11-11 2013-07-24 Vertex Pharmaceuticals, Inc. Hepatitis c virus variants
US7644907B2 (en) * 2006-12-28 2010-01-12 Schlumberger Technology Corporation Drum for a well access line

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Also Published As

Publication number Publication date
DE59201414D1 (en) 1995-03-23
ATE118455T1 (en) 1995-03-15
JPH06500985A (en) 1994-01-27
ES2071505T3 (en) 1995-06-16
EP0548305A1 (en) 1993-06-30
FI931115A (en) 1993-03-12
US5322233A (en) 1994-06-21
CA2090017A1 (en) 1993-01-14
WO1993001116A1 (en) 1993-01-21
DE4123304C2 (en) 1994-07-07
DE4123304A1 (en) 1993-01-14
FI931115A0 (en) 1993-03-12

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