EP1437316A1 - Processing of endless materials - Google Patents

Processing of endless materials Download PDF

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Publication number
EP1437316A1
EP1437316A1 EP03450009A EP03450009A EP1437316A1 EP 1437316 A1 EP1437316 A1 EP 1437316A1 EP 03450009 A EP03450009 A EP 03450009A EP 03450009 A EP03450009 A EP 03450009A EP 1437316 A1 EP1437316 A1 EP 1437316A1
Authority
EP
European Patent Office
Prior art keywords
guides
feed device
processing
control device
processing station
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.)
Withdrawn
Application number
EP03450009A
Other languages
German (de)
French (fr)
Inventor
Nikola Dipl.-Ing. Dragov
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.)
I&T Innovation Technology Entwicklungs und Holding AG
Original Assignee
I&T Innovation Technology Entwicklungs und Holding AG
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 I&T Innovation Technology Entwicklungs und Holding AG filed Critical I&T Innovation Technology Entwicklungs und Holding AG
Priority to EP03450009A priority Critical patent/EP1437316A1/en
Priority to US10/752,618 priority patent/US20050098601A1/en
Priority to JP2004003422A priority patent/JP2004338938A/en
Publication of EP1437316A1 publication Critical patent/EP1437316A1/en
Withdrawn legal-status Critical Current

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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance

Definitions

  • the invention relates to the processing or production of yard goods in a processing station with guides and possibly a feed device for the yard goods.
  • yard goods and “endless material” are used interchangeably.
  • so-called yard goods such as Flat conductors, sheets, cables, pipes, etc.
  • Change of the material to be treated in a processing station necessary. This includes removing what is in the manufacturing system Residual material as scrap, setting up the machine to the boundary conditions (e.g. changed widths, thicknesses or heights) for the coming material to be processed and loading the new material into the machine. At the start of the Machine in turn a certain length of the new material as rejects.
  • the invention aims to provide a solution to this problem and thus a simple, to create rapid retrofitting which reduces the number of rejects.
  • the guides for the continuous material are detachable or fixable by actuators that the actuators from a control device are operated, and that sensors are magnetic, electrical, optical or haptic nature, which are connected to the control device, the geometric dimensions of the continuous material to determine and forward, so that the guides of the workstation in a changeover phase to the real dimensions of the transport mechanism newly supplied continuous material are adjusted and fixed in the adjusted position.
  • the material (12) to be processed becomes permanent or partial during production performed according to its geometric shape.
  • the guides (1, 2, 3, 4) are in the Usually separated in the direction of movement of the material to be processed (e.g. using guide rails (1, 2) for the material width) and perpendicular to it (e.g. roller pairs for the Material thickness (3, 4) executed.
  • the guides are adjustable to accommodate different To be able to adapt geometries of different yard goods. For example in the direction of movement by a fixed guide bar (1) and a movable guide bar (2), which can be adjusted parallel to the fixed guide bar. In vertical Direction can be a fixed roller (4), which can be driven, a movably guided second role (3) are compared.
  • the drive takes place through Non-positive connection with the material to be processed (12).
  • the guides are first (1, 2, 3, 4) solved in sections. Then the new material to be processed brought into the management area. This is done according to the invention with the help of a Regarding the external system guidance devices considered, e.g. a gripper system, as shown schematically in Figs. 3 and 4.
  • the gripper (9) is movable on a carriage (10) in the direction of movement processing material attached to a guide (11). It has the function of the first Section of the new material (12) and by at least one guide section to draw.
  • the guide elements After pulling in, the guide elements are at least in the corresponding guide section closed.
  • the guide strips (1, 2) are in the machining direction adjusted to the width of the material to be processed.
  • a sensor system (5) e.g. with non-contact, inductive, capacitive, optical Execution or tactile as a limit switch, button (6) or similar
  • the closing process is done by a drive (7) and an adjustment mechanism (8), e.g. a lathe or other kinematic Chain, such as belt or chain drive or also directly by electromechanical, pneumatic or hydraulic actuators.
  • the guide rollers perpendicular to Direction of movement (3, 4) are, for example, by monitoring the contact pressure up to the amount of the material to be processed (12) or the material height the height difference to the material level is also brought together.
  • the gripper (9) is released from the material (12) to be processed and the drive system of the system, in the exemplary embodiment shown the rollers (3, 4), takes on the task of transporting the newly inserted piece goods.
  • the entire process can be automated. Presetting the guides (1, 2, 3, 4) the new material to be processed is not necessary because the sensors (5, 6) have an automatic one Adapts to the material conditions. This is a changeover without great additional time expenditure during ongoing operation possible without interruption.
  • the resulting material scrap is lengthened between two on top of each other following drive elements limited and so greatly minimized.

Abstract

The processing unit processes or produces items (12) sold by length. It has guides (1, 2) and a feed device (3, 4) for the items. It also has a transporting mechanism for the items which it independent from the feed device. The guides and feed device can be released and fixed by setting drives (7, 8) controlled by a regulating device.

Description

Die Erfindung betrifft die Bearbeitung bzw. Herstellung von Meterware in einer Bearbeitungsstation mit Führungen und gegebenenfalls einer Vorschubeinrichtung für die Meterware. Im folgenden werden in der Beschreibung und den Ansprüchen die Begriffe "Meterware" und "Endlosmaterial" synonym verwendet.The invention relates to the processing or production of yard goods in a processing station with guides and possibly a feed device for the yard goods. In the description and claims below, the terms "yard goods" and "endless material" are used interchangeably.

Bei der konventionellen Bearbeitung von Produkten mit zumindest im wesentlichen vorgegebenen Breiten und Dicken, aber im Vergleich dazu um Größenordnungen größerer Länge, sogenannter Meterware, wie z.Bsp. Flachleiter, Bleche, Kabel, Rohre, etc. ist beim Wechsel des in einer Bearbeitungsstation zu behandelnden Materials ein Umrüstvorgang notwendig. Dieser beinhaltet das Entnehmen des in der Fertigungsanlage befindlichen Restmaterials als Ausschuss, das Einrichtung der Maschine an die Randbedingungen (z.Bsp. geänderte Breiten, Dicken, oder Höhen) für das kommende zu bearbeitende Material und das Einlegen des neuen Materials in die Maschine. Dabei fällt beim Anlauf der Maschine wiederum eine gewisse Länge des neuen Materials als Ausschuss an.In the conventional processing of products with at least essentially specified Widths and thicknesses, but in comparison by orders of magnitude longer, so-called yard goods, such as Flat conductors, sheets, cables, pipes, etc. are included Change of the material to be treated in a processing station necessary. This includes removing what is in the manufacturing system Residual material as scrap, setting up the machine to the boundary conditions (e.g. changed widths, thicknesses or heights) for the coming material to be processed and loading the new material into the machine. At the start of the Machine in turn a certain length of the new material as rejects.

Bei diesem Rüstvorgang entsteht neben dem Materialverlust ein hoher Zeitverlust aufgrund der Neujustierung der Anlage. Aus diesem Grund ist aus Kostengesichtspunkten nur eine Fertigung in hohen Losgrößen sinnvoll.In this setup process, in addition to the loss of material, there is a great loss of time due to the readjustment of the system. For this reason, there is only one from a cost point of view Production in large lot sizes makes sense.

Die Erfindung bezweckt eine Lösung dieses Problems anzugeben und somit eine einfache, rasche und den Ausschuß verringernde Umrüstung zu schaffen.The invention aims to provide a solution to this problem and thus a simple, to create rapid retrofitting which reduces the number of rejects.

Erfindungsgemäß werden diese Ziele dadurch erreicht, dass das neue Endlosmaterial durch einen vom üblichen Vorschubmechanismus unabhängigen Transportmechanismus eingebracht wird. Dadurch wird der Ausschuß zu Beginn der Bearbeitung des neuen Produktes praktisch vollständig vermieden.According to the invention, these goals are achieved in that the new continuous material introduced a transport mechanism independent of the usual feed mechanism becomes. This will cause the committee to start processing the new product practically completely avoided.

In einer Ausgestaltung der Erfindung ist vorgesehen, dass die Führungen für das Endlosmaterial durch Stelltriebe lösbar bzw. fixierbar sind, dass die Stelltriebe von einer Regelvorrichtung betätigt werden, und dass Sensoren magnetischer, elektrischer, optischer oder haptischer Natur, die mit der Regelvorrichtung verbunden sind, die geometrischen Abmessungen des Endlosmaterials feststellen und weiterleiten, sodass die Führungen der Arbeitsstation in einer Umstellungsphase an die realen Abmessungen des vom Transportmechanismus neu zugeführten Endlosmaterials angepaßt und in der angepaßten Lage fixiert werden.In one embodiment of the invention it is provided that the guides for the continuous material are detachable or fixable by actuators that the actuators from a control device are operated, and that sensors are magnetic, electrical, optical or haptic nature, which are connected to the control device, the geometric dimensions of the continuous material to determine and forward, so that the guides of the workstation in a changeover phase to the real dimensions of the transport mechanism newly supplied continuous material are adjusted and fixed in the adjusted position.

Durch den Einsatz eines solchen automatisierten quasi-kontinuierlichen Einlegen des neuen Materials in die Anlage und die automatisierte Selbstjustierung der Führungen bei laufendem Betrieb entfallen Rüstzeiten und der sich ergebende Ausschuss wird minimiert. So wird es erfindungsgemäß möglich, die Fertigung auch in kleinen Losgrößen kostengünstig zu ermöglichen.By using such an automated quasi-continuous insertion of the new one Materials in the system and the automated self-adjustment of the guides while running There is no set-up time and the resulting scrap is minimized. So According to the invention, it is possible to manufacture at low cost even in small batch sizes to enable.

Die Erfindung wird im folgenden anhand der Zeichnung näher erläutert. Dabei zeigt

  • die Fig. 1 eine erfindungsgemäß verstellbare seitliche Führung, rein schematisch, in Frontansicht und in Draufsicht,
  • die Fig. 2 eine erfindungsgemäß verstellbare Höhenführung, rein schematisch, in Frontansicht und
  • die Fig. 3 eine schematische Seitenansicht einer erfindungsgemäßen Transportvorrichtung für das neu einzubringende Endlosmaterial.
    • The invention is explained in more detail below with reference to the drawing. It shows
  • 1 is an adjustable lateral guide according to the invention, purely schematically, in front view and in plan view,
  • 2 is a height guide adjustable according to the invention, purely schematically, in front view and
  • 3 shows a schematic side view of a transport device according to the invention for the continuous material to be introduced.

    • Das zu verarbeitende Material (12) wird während der Fertigung permanent oder teilweise entsprechend seiner geometrischen Form geführt. Die Führungen (1, 2, 3, 4) werden in der Regel getrennt in der Bewegungsrichtung des zu bearbeitenden Materials (z.B. durch Führungsleisten (1, 2) für die Materialbreite) und senkrecht dazu (z.B. Rollenpaare für die Materialdicke (3, 4) ausgeführt. Die Führungen sind verstellbar, um sich an unterschiedlichen Geometrien unterschiedlicher Meterware anpassen zu können. Die kann zum Beispiel in Bewegungsrichtung durch eine feste Führungsleiste (1) und eine bewegliche Führungsleiste (2), die parallel zur festen Führungsleiste verstellbar ist, realisiert werden. In senkrechter Richtung kann eine feste Rolle (4), die angetrieben sein kann, einer beweglich geführten zweiten Rolle (3) gegenüber gestellt werden. Der Antrieb erfolgt dabei durch Kraftschluss mit dem zu verarbeitenden Material (12). The material (12) to be processed becomes permanent or partial during production performed according to its geometric shape. The guides (1, 2, 3, 4) are in the Usually separated in the direction of movement of the material to be processed (e.g. using guide rails (1, 2) for the material width) and perpendicular to it (e.g. roller pairs for the Material thickness (3, 4) executed. The guides are adjustable to accommodate different To be able to adapt geometries of different yard goods. For example in the direction of movement by a fixed guide bar (1) and a movable guide bar (2), which can be adjusted parallel to the fixed guide bar. In vertical Direction can be a fixed roller (4), which can be driven, a movably guided second role (3) are compared. The drive takes place through Non-positive connection with the material to be processed (12).

    Bei einem Wechsel des zu verarbeitenden Materials (12) werden zunächst die Führungen (1, 2, 3, 4) abschnittsweise gelöst. Anschließend wird das neue zu verarbeitende Material in den Führungsbereich eingebracht. Dies geschieht erfindungsgemäß mit Hilfe eines in Bezug auf die betrachteten Führungsvorrichtungen externen Systems, z.B. eines Greifersystems, wie es in Fig. 3 und 4 schematisch dargestellt ist.When changing the material to be processed (12), the guides are first (1, 2, 3, 4) solved in sections. Then the new material to be processed brought into the management area. This is done according to the invention with the help of a Regarding the external system guidance devices considered, e.g. a gripper system, as shown schematically in Figs. 3 and 4.

    Der Greifer (9) ist auf einem Schlitten (10) beweglich in der Bewegungsrichtung des zu bearbeitenden Materials auf einer Führung (11) angebracht. Er hat die Funktion, den ersten Abschnitt des neuen Materials (12) zu erfassen und durch mindestens einen Führungsabschnitt zu ziehen.The gripper (9) is movable on a carriage (10) in the direction of movement processing material attached to a guide (11). It has the function of the first Section of the new material (12) and by at least one guide section to draw.

    Nach erfolgtem Einzug werden die Führungselemente zumindest im entsprechenden Führungsabschnitt geschlossen. Die Führungsleisten (1, 2) in Bearbeitungsrichtung werden dabei, angepasst an die Breite des zu verarbeitenden Materials, zueinander gefahren. Mit Hilfe eines Sensorsystems (5) (mit z.B. berührungsloser, induktiver, kapazitiver, optischer Ausführung oder taktil als Grenzschalter, Taster (6) o.ä.) erfolgt eine automatisierte Überwachung und Beendigung des Schließvorgangs. Der Schließvorgang wird durch einen Antrieb (7) und einen Verstellmechanismus (8), z.B. eine Drehspindel oder andere kinematische Kette, wie Riemen- oder Kettenantrieb oder aber auch direkt durch elektromechanische, pneumatische oder hydraulische Aktoren, bewirkt. Die Führungsrollen senkrecht zur Bewegungsrichtung (3, 4) werden beispielsweise mit Hilfe der Überwachung des Anpressdruckes bis zur Höhe des zu verarbeitenden Materials (12) oder der Materialhöhe aber auch die Höhendifferenz zur Materialebene zusammengefahren.After pulling in, the guide elements are at least in the corresponding guide section closed. The guide strips (1, 2) are in the machining direction adjusted to the width of the material to be processed. With With the help of a sensor system (5) (e.g. with non-contact, inductive, capacitive, optical Execution or tactile as a limit switch, button (6) or similar) is carried out automatically and completion of the closing process. The closing process is done by a drive (7) and an adjustment mechanism (8), e.g. a lathe or other kinematic Chain, such as belt or chain drive or also directly by electromechanical, pneumatic or hydraulic actuators. The guide rollers perpendicular to Direction of movement (3, 4) are, for example, by monitoring the contact pressure up to the amount of the material to be processed (12) or the material height the height difference to the material level is also brought together.

    Im letzten Schritt wird der Greifer (9) von dem zu bearbeitenden Material (12) gelöst und das Antriebssystem der Anlage, im dargestellten Ausführungsbeispiel die Rollen (3, 4), übernimmt die Aufgabe des Weitertransports der neu eingelegten Meterware.In the last step, the gripper (9) is released from the material (12) to be processed and the drive system of the system, in the exemplary embodiment shown the rollers (3, 4), takes on the task of transporting the newly inserted piece goods.

    Der gesamte Ablauf ist automatisierbar. Eine Voreinstellung der Führungen (1, 2, 3, 4) auf das neue zu bearbeitende Material ist nicht notwendig, da die Sensorik (5, 6) eine automatische Anpassung an die Materialgegebenheiten vornimmt. Damit ist ein Umrüsten ohne großen zeitlichen Zusatzaufwand bei laufendem Betrieb ohne Unterbrechung möglich. The entire process can be automated. Presetting the guides (1, 2, 3, 4) the new material to be processed is not necessary because the sensors (5, 6) have an automatic one Adapts to the material conditions. This is a changeover without great additional time expenditure during ongoing operation possible without interruption.

    Weiterhin wird der sich ergebende Materialausschuss auf die Länge zwischen zwei aufeinander folgenden Antriebselementen begrenzt und so stark minimiert.Furthermore, the resulting material scrap is lengthened between two on top of each other following drive elements limited and so greatly minimized.

    Claims (2)

    Bearbeitungsstation für die Bearbeitung bzw. Herstellung von Meterware (12) mit Führungen (1, 2) und gegebenenfalls einer Vorschubeinrichtung (3, 4) für die Meterware, dadurch gekennzeichnet, dass die Bearbeitungsstation einen von der gegebenenfalls vorhandenen Vorschubeinrichtung unabhängigen Transportmechanismus (9) für die Meterware aufweist.Processing station for the processing or production of yard goods (12) with guides (1, 2) and possibly a feed device (3, 4) for the yard goods, characterized in that the processing station has a transport mechanism (9) which is independent of the feed device which may be present which is sold by the meter. Bearbeitungsstation nach Anspruch 1, dadurch gekennzeichnet, dass die Führungen (1, 2) und gegebenenfalls die Vorschubeinrichtung (3, 4) durch Stelltriebe (7, 8) lösbar bzw. fixierbar sind, dass die Stelltriebe von einer Regelvorrichtung betätigt werden, und dass Sensoren (6) magnetischer, elektrischer, optischer oder haptischer Natur, die mit der Regelvorrichtung verbunden sind, die geometrischen Abmessungen des Endlosmaterials (12) feststellen und an die Regelvorrichtung weiterleiten, sodass die Führungen (1, 2) und gegebenenfalls die Vorschubeinrichtung (3, 4) in einer Umstellungsphase an die realen Abmessungen des vom Transportmechanismus neu zugeführten Endlosmaterials (12) angepaßt und in der angepaßten Lage fixiert werden.Processing station according to claim 1, characterized in that the guides (1, 2) and optionally the feed device (3, 4) can be detached or fixed by actuators (7, 8), that the actuators are actuated by a control device, and that sensors (6) of a magnetic, electrical, optical or haptic nature, which are connected to the control device, determine the geometric dimensions of the continuous material (12) and pass them on to the control device, so that the guides (1, 2) and, if necessary, the feed device (3, 4 ) are adapted in a changeover phase to the real dimensions of the continuous material (12) newly supplied by the transport mechanism and are fixed in the adapted position.
    EP03450009A 2003-01-10 2003-01-10 Processing of endless materials Withdrawn EP1437316A1 (en)

    Priority Applications (3)

    Application Number Priority Date Filing Date Title
    EP03450009A EP1437316A1 (en) 2003-01-10 2003-01-10 Processing of endless materials
    US10/752,618 US20050098601A1 (en) 2003-01-10 2004-01-07 Processing of cut-to-length goods
    JP2004003422A JP2004338938A (en) 2003-01-10 2004-01-08 Work station of long size material

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP03450009A EP1437316A1 (en) 2003-01-10 2003-01-10 Processing of endless materials

    Publications (1)

    Publication Number Publication Date
    EP1437316A1 true EP1437316A1 (en) 2004-07-14

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP03450009A Withdrawn EP1437316A1 (en) 2003-01-10 2003-01-10 Processing of endless materials

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    US (1) US20050098601A1 (en)
    EP (1) EP1437316A1 (en)
    JP (1) JP2004338938A (en)

    Families Citing this family (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
    US7904187B2 (en) 1999-02-01 2011-03-08 Hoffberg Steven M Internet appliance system and method

    Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US4750660A (en) * 1985-08-05 1988-06-14 Isowa Industry Co., Ltd. Sheet guide positioning apparatus
    US4903064A (en) * 1988-02-12 1990-02-20 Fuji Photo Film Co., Ltd. Photographic processing apparatus
    US5360152A (en) * 1992-02-21 1994-11-01 Eastman Kodak Company Web guidance mechanism for automatically centering a web during movement of the web along a curved path
    EP0645333A1 (en) * 1993-09-24 1995-03-29 Esselte Meto International GmbH Adjustable guide for web material
    US5533658A (en) * 1994-11-10 1996-07-09 Production Tube, Inc. Apparatus having replaceable shoes for positioning and gripping tubing

    Family Cites Families (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    JPH07108741B2 (en) * 1989-04-04 1995-11-22 株式会社東京機械製作所 Paper threading device for rotary press
    JP3458933B2 (en) * 1996-03-01 2003-10-20 ノーリツ鋼機株式会社 Guide width adjustment method and adjustment device for photographic photosensitive material

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US4750660A (en) * 1985-08-05 1988-06-14 Isowa Industry Co., Ltd. Sheet guide positioning apparatus
    US4903064A (en) * 1988-02-12 1990-02-20 Fuji Photo Film Co., Ltd. Photographic processing apparatus
    US5360152A (en) * 1992-02-21 1994-11-01 Eastman Kodak Company Web guidance mechanism for automatically centering a web during movement of the web along a curved path
    EP0645333A1 (en) * 1993-09-24 1995-03-29 Esselte Meto International GmbH Adjustable guide for web material
    US5533658A (en) * 1994-11-10 1996-07-09 Production Tube, Inc. Apparatus having replaceable shoes for positioning and gripping tubing

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    Publication number Publication date
    JP2004338938A (en) 2004-12-02
    US20050098601A1 (en) 2005-05-12

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