EP0139066A1 - Device for burnishing a foil - Google Patents

Device for burnishing a foil Download PDF

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Publication number
EP0139066A1
EP0139066A1 EP83810484A EP83810484A EP0139066A1 EP 0139066 A1 EP0139066 A1 EP 0139066A1 EP 83810484 A EP83810484 A EP 83810484A EP 83810484 A EP83810484 A EP 83810484A EP 0139066 A1 EP0139066 A1 EP 0139066A1
Authority
EP
European Patent Office
Prior art keywords
rollers
foil
teeth
satinizing
pair
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83810484A
Other languages
German (de)
French (fr)
Other versions
EP0139066B1 (en
Inventor
Karl Boegli
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.)
Boegli Gravures SA
Original Assignee
Boegli Gravures SA
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 Boegli Gravures SA filed Critical Boegli Gravures SA
Priority to DE19833376099 priority Critical patent/DE3376099D1/en
Priority to EP83810484A priority patent/EP0139066B1/en
Priority to AT83810484T priority patent/ATE33215T1/en
Publication of EP0139066A1 publication Critical patent/EP0139066A1/en
Application granted granted Critical
Publication of EP0139066B1 publication Critical patent/EP0139066B1/en
Priority to US07/593,265 priority patent/US5007271A/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1016—Transverse corrugating
    • Y10T156/1018—Subsequent to assembly of laminae

Definitions

  • the present invention relates to a device for satinizing a foil, in particular a metal foil, with a pair of satinizing rollers, between which the foil can be passed.
  • Frosted foils are used, for example, to line cigarette boxes, wherein non-frosted, shiny areas of the foil can represent trademarks, written instructions or the like.
  • Known devices for satinizing metal foils have a corrugated, hardened metal roller and a roller which is pressed against this roller with a certain pressure and is provided with a suitable smooth plastic covering.
  • the roller which is provided with a soft covering, wears out relatively quickly and has to be replaced and overhauled, which is associated with considerable effort and longer machine downtimes.
  • the achievable satinization of the film cannot fully satisfy.
  • the two rollers must be driven strictly synchronously by a special gear, which not only increases the cost of the construction of the device, but also makes it difficult to replace the roller or rollers.
  • the aim of the present invention is to achieve a better satin finish and at the same time to simplify the construction and operation of the device.
  • This is achieved according to the invention in that both rollers of the pair are corrugated to satinize the film.
  • the corrugations of the two rollers preferably interlock to synchronize the roller rotation, so that a synchronization gear is not necessary for the two rollers.
  • the quality of the satin finish of the film is much better than the satin finish achieved with the known devices.
  • the service life of the rollers are significantly longer than the service life of the known satinizing rollers provided with a soft covering, so that the operation is simplified and considerably shorter downtimes of the device have to be accepted.
  • the device has two calendering rollers 1 and 2, which are identical in all respects. In particular, they have the same diameter and exactly the same type of corrugation or toothing. This corrugation or serration can be seen from the figures. Rows of pyramid-shaped teeth 3 having the same pitch in the axial direction and circumferential direction are provided. As is usual with such satinizing devices, the pitch of the corrugation or toothing is, for example, approximately 0.4 mm, ie the mutual distance in the axial direction and circumferential direction of adjacent teeth is approximately 0.4 mm. The height of the teeth is 0.25 to 0.3 mm. As FIG.
  • the two rollers 1 and 2 are dimensioned and mounted in such a way that the corrugation or toothing interlocks somewhat, namely by 0.15 to 0.2 mm.
  • very good satinizing of foils in particular aluminum foils
  • the production of satinizing rollers 1 and 2 must be done very carefully.
  • the grooves between the teeth 3 can be machined or milled in the axial direction, while the grooves can be rotated in the circumferential direction. After processing, the rollers are hardened. The very precise machining is of particular importance, so that the dimensions and mutual distances of all rows of teeth are exactly the same. Every error is visible on the frosted film. Apart from these requirements, one is relatively free to choose the dimensions and shapes in order to achieve various desired satin finishes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Metal Rolling (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

1. A device for embossing a foil, comprising a pair of embossing rollers with pyramid-shaped projections and recesses respectively between which the foil may be passed through, characterized in that both rollers (1, 2) of the pair are equipped with exactly similar hardened pyramid-shaped teeth (3), such teeth having a height of 0,25 to 0,3 mm and engaging into each other by 0,15 to 0,20 mm if the mutual distance between teeth is about 0,4 mm, in order to emboss the foils and to synchronize the rotation of both rollers (1, 2), whereby one roller only is driven whereas the other is carried along synchronously.

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Satinieren einer Folie, insbesondere einer Metallfolie, mit einem Paar von Satinierwalzen, zwischen welchen die Folie durchgeführt werden kann. Satinierte Folien werden beispielsweise zum Auskleiden von Zigarettenschachteln verwendet, wobei nicht satinierte, glänzend bleibende Stellen der Folie Markenzeichen, schriftliche Anweisungen oder dergleichen darstellen können. Bekannte Vorrichtungen zum Satinieren von Metallfolien weisen eine geriffelte, gehärtete Metallwalze und eine mit einem gewissen Druck gegen diese Walze angedrückte, mit einem geeigneten glatten Kunststoffbelag versehene Walze auf. Es ergeben sich dabei verschiedene Nachteile. Einmal wird die mit einem weichen Belag versehene Walze verhältnismässig rasch abgenützt und muss ersetzt und überholt werden, was mit einem erheblichen Aufwand und längeren Stillstandzeiten der Maschine verbunden ist. Zudem kann die erzielbare Satinierung der Folie nicht voll befriedigen. Schliesslich müssen die beiden Walzen durch ein besonderes Getriebe streng synchron angetrieben werden, was nicht nur den Aufbau der Vorrichtung verteuert, sondern das jeweilige Auswechseln der Walze oder Walzen erschwert.The present invention relates to a device for satinizing a foil, in particular a metal foil, with a pair of satinizing rollers, between which the foil can be passed. Frosted foils are used, for example, to line cigarette boxes, wherein non-frosted, shiny areas of the foil can represent trademarks, written instructions or the like. Known devices for satinizing metal foils have a corrugated, hardened metal roller and a roller which is pressed against this roller with a certain pressure and is provided with a suitable smooth plastic covering. There are various disadvantages. Firstly, the roller, which is provided with a soft covering, wears out relatively quickly and has to be replaced and overhauled, which is associated with considerable effort and longer machine downtimes. In addition, the achievable satinization of the film cannot fully satisfy. Finally, the two rollers must be driven strictly synchronously by a special gear, which not only increases the cost of the construction of the device, but also makes it difficult to replace the roller or rollers.

Ziel der vorliegenden Erfindung ist es, eine bessere Satinierung zu erzielen und zugleich den Aufbau und die Bedienung der Vorrichtung zu vereinfachen. Das gelingt erfindungsgemäss dadurch, dass beide Walzen des Paares zum Satinieren der Folie geriffelt sind. Vorzugsweise greifen die Riffelungen der beiden Walzen zur Synchronisation der Walzendrehung ineinander, so dass ein Synchronisationsgetriebe für die beiden Walzen nicht erforderlich ist. Die Qualität der Satinierung der Folie ist wesentlich besser als die mit den bekannten Vorrichtungen erzielte Satinierung. Die Standzeiten der Walzen sind wesentlich höher als die Standzeiten der bekannten, mit weichem Belag versehenen Satinierwalzen, so dass die Bedienung vereinfacht ist und wesentlich geringere Stillstandzeiten der Vorrichtung in Kauf genommen werden müssen.The aim of the present invention is to achieve a better satin finish and at the same time to simplify the construction and operation of the device. This is achieved according to the invention in that both rollers of the pair are corrugated to satinize the film. The corrugations of the two rollers preferably interlock to synchronize the roller rotation, so that a synchronization gear is not necessary for the two rollers. The quality of the satin finish of the film is much better than the satin finish achieved with the known devices. The service life of the rollers are significantly longer than the service life of the known satinizing rollers provided with a soft covering, so that the operation is simplified and considerably shorter downtimes of the device have to be accepted.

Die Erfindung wird nun anhand der Zeichnung näher erläutert.The invention will now be explained in more detail with reference to the drawing.

  • Figur 1 zeigt einen stark vergrösserten Teilschnitt durch die beiden Satinierwalzen undFigure 1 shows a greatly enlarged partial section through the two satin rollers and
  • Figur 2 zeigt eine stark vergrösserte Draufsicht in Abwicklung auf einen Ausschnitt aus der Riffelung oder Zahnung einer Walze.FIG. 2 shows a greatly enlarged top view in development of a section from the corrugation or toothing of a roller.

Die Vorrichtung weist zwei Satinierwalzen 1 und 2 auf, die in jeder Beziehung gleich ausgeführt sind. Sie weisen insbesondere denselben Durchmesser und eine genau gleichartige Riffelung oder Zahnung auf. Diese Riffelung oder Zahnung ist aus den Figuren ersichtlich. Es sind in Axialrichtung und Umfangrichtung gleiche Teilung aufweisende Reihen von pyramiden-förmigen Zähnen 3 vorgesehen. Wie bei solchen Satiniervorrichtungen üblich, beträgt die Teilung der Riffelung oder Zahnung beispielsweise etwa 0,4 mm, d.h. der gegenseitige Abstand in Axialrichtung und Umfangsrichtung benachbarter Zähne beträgt rund 0,4 mm. Die Höhe der Zähne beträgt hierbei 0,25 bis 0,3 mm. Wie Figur 1 zeigt, sind die beiden Walzen 1 und 2 so bemessen und gelagert, dass die Riffelung oder Verzahnung etwas ineinander greift, und zwar um 0,15 bis 0,2 mm. Bei der dargestellten Formgebung und der oben angegebenen Bemessung der Riffelung oder Verzahnung, die aber nur als eine Ausführungsmöglichkeit zu betrachten sind, wird eine sehr gute Satinierung von Folien, insbesondere Aluminiumfolien, erzielt. Durch den gegenseitigen Eingriff bleiben die Satinierwalzen 1 und 2 ohne besonderes Synchronisationsgetriebe in Synchronismus. Die Herstellung der Satinierwalzen 1 und 2 muss sehr sorgfältig erfolgen. Die Nuten zwischen den Zähnen 3 können in Axialrichtung gestossen oder gefräst werden, während die Nuten in Umfangsrichtung gedreht werden können. Nach der Bearbeitung werden die Walzen gehärtet. Von besonderer Bedeutung ist die sehr genaue Bearbeitung, so dass die Abmessungen und gegenseitigen Abstände aller Zahnreihen genau gleich ausfallen. Jeder Fehler wird auf der satinierten Folie sichtbar. Abgesehen von diesen Anforderungen ist man jedoch in der Wahl der Abmessungen und Formen verhältnismässig frei, um verschiedenartige gewünschte Satinierungen zu erzielen.The device has two calendering rollers 1 and 2, which are identical in all respects. In particular, they have the same diameter and exactly the same type of corrugation or toothing. This corrugation or serration can be seen from the figures. Rows of pyramid-shaped teeth 3 having the same pitch in the axial direction and circumferential direction are provided. As is usual with such satinizing devices, the pitch of the corrugation or toothing is, for example, approximately 0.4 mm, ie the mutual distance in the axial direction and circumferential direction of adjacent teeth is approximately 0.4 mm. The height of the teeth is 0.25 to 0.3 mm. As FIG. 1 shows, the two rollers 1 and 2 are dimensioned and mounted in such a way that the corrugation or toothing interlocks somewhat, namely by 0.15 to 0.2 mm. With the shape shown and the dimensioning of the corrugation or toothing given above, but which are only to be considered as one possible embodiment, very good satinizing of foils, in particular aluminum foils, is achieved. Due to the mutual engagement, the satin rollers 1 and 2 remain without be special synchronization gear in synchronism. The production of satinizing rollers 1 and 2 must be done very carefully. The grooves between the teeth 3 can be machined or milled in the axial direction, while the grooves can be rotated in the circumferential direction. After processing, the rollers are hardened. The very precise machining is of particular importance, so that the dimensions and mutual distances of all rows of teeth are exactly the same. Every error is visible on the frosted film. Apart from these requirements, one is relatively free to choose the dimensions and shapes in order to achieve various desired satin finishes.

Claims (4)

1. Vorrichtung zum Satinieren einer Folie, mit einem Paar von Satinierwalzen, zwischen welchen die Folie durchgeführt werden kann, dadurch gekennzeichnet, dass beide Walzen (1, 2) des Paares zum Satinieren der Folie geriffelt sind.1. Device for satinizing a film, with a pair of satinizing rollers, between which the film can be passed, characterized in that both rollers (1, 2) of the pair are corrugated for satinizing the film. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Riffelungen (3) der beiden Walzen (1, 2) zur Synchronisation der Walzendrehung ineinandergreifen.2. Device according to claim 1, characterized in that the corrugations (3) of the two rollers (1, 2) interlock to synchronize the roller rotation. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass nur eine der Walzen (1 oder 2) angetrieben ist.3. Device according to claim 1 or 2, characterized in that only one of the rollers (1 or 2) is driven. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Riffelung Zähne (3) einer Höhe von 0,25 bis 0,3 mm aufweist, und dass die Riffelungen der beiden Walzen (1, 2) 0,15 bis 0,20 mm ineinandergreifen.4. Device according to one of claims 1 to 3, characterized in that the corrugation teeth (3) has a height of 0.25 to 0.3 mm, and that the corrugations of the two rollers (1, 2) 0.15 to Interlock 0.20 mm.
EP83810484A 1983-10-21 1983-10-21 Device for burnishing a foil Expired EP0139066B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19833376099 DE3376099D1 (en) 1983-10-21 1983-10-21 Satin finish prodn. of metal foil
EP83810484A EP0139066B1 (en) 1983-10-21 1983-10-21 Device for burnishing a foil
AT83810484T ATE33215T1 (en) 1983-10-21 1983-10-21 DEVICE FOR SATINING A FOIL.
US07/593,265 US5007271A (en) 1983-10-21 1990-10-01 Device and a method for embossing a metal foil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83810484A EP0139066B1 (en) 1983-10-21 1983-10-21 Device for burnishing a foil

Publications (2)

Publication Number Publication Date
EP0139066A1 true EP0139066A1 (en) 1985-05-02
EP0139066B1 EP0139066B1 (en) 1988-03-30

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Family Applications (1)

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EP83810484A Expired EP0139066B1 (en) 1983-10-21 1983-10-21 Device for burnishing a foil

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US (1) US5007271A (en)
EP (1) EP0139066B1 (en)
AT (1) ATE33215T1 (en)
DE (1) DE3376099D1 (en)

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EP0635245A1 (en) * 1988-10-19 1995-01-25 Merocel Corporation Use of laser shields and method for protecting objects from laser radiation
US5540153A (en) * 1995-06-13 1996-07-30 Philip Morris Incorporated Embosser and method using slot mounted die and impression pad
WO1997035674A1 (en) * 1996-03-26 1997-10-02 Hadley Industries Plc Rigid thin sheet material and method of making it
EP0925911A1 (en) * 1997-12-19 1999-06-30 Boegli-Gravures S.A. Method and device for burnishing a foil

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US9796012B2 (en) * 2011-01-22 2017-10-24 Lawrence Everett Anderson Foil configuring device
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US5469864A (en) * 1988-10-19 1995-11-28 Merocel Corporation Laser shield
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Also Published As

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US5007271A (en) 1991-04-16
ATE33215T1 (en) 1988-04-15
EP0139066B1 (en) 1988-03-30
DE3376099D1 (en) 1988-05-05

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