EP0683040A1 - Verfahren zur Herstellung einer Hülse für eine Druckmaschine, und damit erzeugte Hülse - Google Patents

Verfahren zur Herstellung einer Hülse für eine Druckmaschine, und damit erzeugte Hülse Download PDF

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Publication number
EP0683040A1
EP0683040A1 EP95450009A EP95450009A EP0683040A1 EP 0683040 A1 EP0683040 A1 EP 0683040A1 EP 95450009 A EP95450009 A EP 95450009A EP 95450009 A EP95450009 A EP 95450009A EP 0683040 A1 EP0683040 A1 EP 0683040A1
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EP
European Patent Office
Prior art keywords
layer
sleeve
resin
cylinder
complex
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
EP95450009A
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English (en)
French (fr)
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EP0683040B1 (de
Inventor
Jean Francille
Philippe Francille
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.)
Francille Jean
Francille Philippe
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0683040A1 publication Critical patent/EP0683040A1/de
Application granted granted Critical
Publication of EP0683040B1 publication Critical patent/EP0683040B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/18—Curved printing formes or printing cylinders
    • B41C1/182—Sleeves; Endless belts

Definitions

  • the present invention relates to a method of manufacturing a printing sleeve, in particular for flexography, of composite material, as well as the corresponding sleeve.
  • Such methods use hollow support cylinders inside which air under pressure is introduced.
  • each of these hollow cylinders is provided with holes which allow the pressurized fluid to escape radially.
  • the sleeve which is perfectly adjusted, is expanded during assembly by the pressurized air which escapes from the cylinder through the holes, forming a layer of pressurized air.
  • the sleeve can thus be moved in translation easily, on an air cushion.
  • the sleeve must have a certain capacity for radial deformation but, conversely, it is known that it must be very rigid on the outside in order to receive either a finishing layer capable of being rectified or a layer of elastomer according to the different applications.
  • the sleeve with this finishing layer or this elastomer layer must have a low deformation capacity and it must have perfect concentricity.
  • sleeves have been made of composite material comprising glass fiber mats embedded in resin matrices, but the results are not entirely satisfactory since the weight and the cost increase very rapidly with the thickness. Also, it is impossible to achieve very wide ranges of developments because the variations in thickness for the same internal diameter, corresponding to a given support cylinder, are of small amplitude.
  • the quantity of resin also has a major influence on the weight and the price of the sleeve thus produced, which quickly makes it uncompetitive.
  • the present invention aims to overcome these drawbacks and it proposes a method of manufacturing sleeves which is simple to implement, which makes it possible to produce sleeves of desired thickness in a very wide range, of suitable mechanical strength and of a certain elasticity, sufficient to allow mounting by radial expansion using a pressurized gas, on a chamber cylinder, drilled radially, which is of reduced weight which facilitates its handling, and which can be used either directly after rectification, either after coating with an elastomer layer and subsequent machining, or again by heliography, after the deposition of a conductive metallic coating and its etching.
  • a priming layer is wound on the release agent from the support cylinder, this priming layer comprising a layer of a woven or nonwoven coated with a layer of resin.
  • the thicknesses of the complex, the patterns and their density are variable as well as the diameters of the holes.
  • the resins used are based on vinyl ester or epoxy.
  • a shrinkable film is placed on the last layer of complex before the temperature polymerization and this film is removed after the polymerization so as to give a surface condition suitable for the final operation.
  • the subject of the invention is also the sleeve obtained by the method, a sleeve which comprises a concentric succession from the center outwards, of at least one layer of a material comprising through holes, regularly distributed over its surface, this material being a complex composed of a layer of nonwoven material on which is deposited a layer of a material having a high void content, of the expanded type and screen printed with a given pattern, of a layer of resin having a shrinking power determined at the polymerization, of at least one winding of an intermediate sealing fabric on the layer of resin coated on the complex, and of at least one layer of finishing resin.
  • the finishing resins have a color code depending on the diameters and / or applications, flexography or rotogravure.
  • inserts fixed by machining in particular for receiving sizes.
  • At least one identification label embedded in the mass during manufacture.
  • Figure 1 there is shown a sleeve 10, mounted on a support cylinder 12 of manufacture.
  • the different dimensions are strongly exaggerated to show the different layers and to be able to distinguish them from each other.
  • the support cylinder 12 comprises, in known manner an internal chamber 14 and radial holes 16, coming from the chamber 14 and opening at the outer periphery of said cylinder.
  • either one of the support cylinders supplied by the user is used so that it is used as a mandrel for manufacturing the sleeve, which is the guarantee of certain precision.
  • a sleeve machined and rectified template to the exact dimensions of the support cylinder on which the sleeves must be mounted.
  • the support cylinder is fixed on a mandrel holder in suitable jaws then it is prepared, in a known manner, by coating it over its entire outer surface with a release agent.
  • At least one first layer 18 is wound under tension, for example by wrapping, a woven or nonwoven veil 20, which is coated with a resin 22, the characteristics and properties of which are will be described later in the text, so that the veil is impregnated and is pressed onto the release agent, thus perfectly matching the external periphery of the support cylinder 12.
  • a first layer 24 of a complex 26 comprising a layer of nonwoven material 28 on which is deposited a layer of expanded material 30.
  • This expanded material 30, as shown in FIG. 3 is screen printed with a given pattern, in this case a hexagonal pattern, with a physical separation between two adjacent patterns. That is to say that in the preferred embodiment of the method of the invention, the expanded material has a honeycomb structure, with isolated cells 32, of full hexagonal section, and a network of channels 35 separating said cells. The height of each of these cells is identical so that the complex has a given thickness which is sufficiently precise.
  • This first layer 24 of complex 26 is produced by winding a strip of complex, helically, edge to edge, over the entire length of the support cylinder, by placing the nonwoven 28 inside.
  • the complex thus wound is retained by the resin layer 24 of the initiation layer 18 since the nonwoven of the complex is wetted by this resin.
  • This first layer 24 of complex 26 is coated with a layer of resin 24, in suitable quantity, which is housed in the channels 35, because the expanded material does not absorb the resin and there is amalgamation of the resin from these two layers of resin, on either side of the material expanded by the channels as shown in the figure 2.
  • holes 34 allow connections to be made between the interior and exterior faces of the complex, resin bridges, forming as many spacers as will be described later.
  • the winding is carried out with a certain tension so as to press the complex 26 well and to avoid the presence of air bubbles during manufacture.
  • a second layer 38, of a complex 40 is then wound up, which is either identical to the complex 26, or different with cells of different dimensions, height and pattern. In the embodiment shown and for the sake of simplification, an identical complex has been shown.
  • the nonwoven is also placed on the concave face.
  • This second layer 38 of complex 40 is in turn coated with a layer of resin 24 and optionally with a layer 42 of sealing material 37 to homogenize and distribute the resin.
  • a layer 44 of a finishing resin 46 is capable, after polymerization, of being rectified by mechanical machining.
  • This resin can include mineral and / or organic fillers.
  • a slightly retractable veil is placed on the surface of the finishing resin in order to compress the various superimposed layers.
  • This fine mesh veil withstands baking temperature and is removed after the sleeve has been brought to the crosslinking temperature of the resin.
  • the layers are well concentric, coaxial and the surface condition, with a very fine grain, allows machining and rectification of quality.
  • the finishing layer receives a tear-off fabric, also retractable, so as to maintain the layers concentrically and coaxially, this fabric also having to withstand temperature of crosslinking resins.
  • This coarse mesh tear-off fabric leaves, after removal, a relief on the top layer, which allows better adhesion of the elastomer layer which must be deposited and vulcanized there.
  • the formulation of the resin is adapted to shrink and give the sleeve thus produced a radial shrinkage capacity which is of great interest.
  • a family of polymers used for the preparation of resins vinyl esters or epoxies may be mentioned.
  • the sleeve is produced on a cylinder with the exact dimensions of the support cylinder on which it will be subsequently mounted.
  • the withdrawal leads to a reduction in the diameter of the sleeve which is smaller than the diameter of the cylinder.
  • This arrangement of layers with at least one waterproof layer is essential to obtain the desired effects.
  • a large number of thicknesses can be obtained with the same inner diameter of the sleeve corresponding to the diameter of the working cylinder by varying the number of layers, which leads to thicknesses of between a few millimeters and several centimeters.
  • complexes obtained in any way as long as they have an expanded material or having a certain void content such as beads for example, associated with a veil woven or non-woven can resort to a prepared complex industrially by screen printing by printing a pattern or a complex prepared by coating a nonwoven with a projection of beads, which material is then pierced with multiple holes.
  • the method consists in reducing the quantity of resin by a very light filling material while maintaining connections between the layers of resin.
  • Such sleeves are applied to flexography, FIG. 4A, 4B, 4C and 5A, 5B, 5C, but it is also possible to manufacture sleeves for heliography in the same way.
  • FIG. 4A, 4B, 4C and 5A, 5B, 5C There are sections of such sleeves in Figures 6A, 6B and 6C.
  • the finishing layer and the complementary elements are simply shown depending on the application, the other interior layers being identical and produced according to the method described above.
  • FIG. 4A a sleeve-bearing cylinder 60 is shown, used in flexographic printing.
  • a sleeve 62 is mounted on this sleeve-carrying cylinder 60.
  • This sleeve is produced according to the method of the invention and the finishing layer has been corrected to have a smooth surface condition and so that the developed diameter corresponds exactly to the length of printing sought.
  • On this surface it is mechanically produced generators 64 for placing and positioning the plates.
  • the picture is in the form of an engraved plate 66, made of a photopolymer or rubber material, which allows the arrange in a winding around the sleeve. This plate is fixed by interposing a double-sided adhesive tape 68.
  • FIGS. 4B and 4C the identical elements have the same references.
  • FIG. 5A a sleeve-carrying cylinder 70 is shown, designed to receive a sleeve 72 according to the invention.
  • the outer surface has received a finishing layer 74 of rubber material fixed with an adhesive.
  • This coating is vulcanized and rectified then it is engraved using a laser, generally. This type of engraving allows continuous printing, for example for wallpaper.
  • FIGS. 5B and 5C the identical elements have the same references.
  • the mandrel cylinder 80 supports a specific sleeve 82 produced according to the invention but with a subsequent metal deposition treatment.
  • the finishing layer of the sleeve 84 is made conductive by incorporating conductive particles or by depositing a layer of carbon, then a metal deposit of a given thickness is deposited by electrolysis on a thickness sufficient to allow recovery. and mechanical machining.
  • the metal deposit is engraved in hollow to reproduce an engraving of variable depth depending on the intensity of the color to be obtained.
  • the metal deposit is generally made of copper and chrome after etching.
  • FIGS. 6B and 6C the identical elements have the same references.
  • Such heliographic sleeves are of particular interest in combined flexography-heliography printing for the printing of certain solid areas or bar codes.
  • This belt is formed at a distance from the inner periphery of the sleeve which is a function of the different characteristics of the sleeve, inside diameter, outside diameter, application in particular.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Impact Printers (AREA)
EP95450009A 1994-05-19 1995-05-18 Verfahren zur Herstellung einer Hülse für eine Druckmaschine, und damit erzeugte Hülse Expired - Lifetime EP0683040B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9406417 1994-05-19
FR9406417 1994-05-19

Publications (2)

Publication Number Publication Date
EP0683040A1 true EP0683040A1 (de) 1995-11-22
EP0683040B1 EP0683040B1 (de) 1998-09-30

Family

ID=9463551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95450009A Expired - Lifetime EP0683040B1 (de) 1994-05-19 1995-05-18 Verfahren zur Herstellung einer Hülse für eine Druckmaschine, und damit erzeugte Hülse

Country Status (6)

Country Link
EP (1) EP0683040B1 (de)
AT (1) ATE171673T1 (de)
CA (1) CA2149716A1 (de)
DE (1) DE69505044T2 (de)
DK (1) DK0683040T3 (de)
ES (1) ES2124987T3 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791477A3 (de) * 1996-02-22 1997-11-12 Praxair S.T. Technology, Inc. Hülse für eine Flüssigkeitsübertragungsrolle und Herstellungsverfahren dafür
EP0850782A1 (de) * 1996-12-30 1998-07-01 Jean Francille Komposit Manchette mit keramischer Beschichtung insbesondere zur Verwendung für Farbauftragmanchette
DE19804269A1 (de) * 1998-02-04 1999-08-05 Heidelberger Druckmasch Ag Vorrichtung zum Auftragen einer Flüssigkeit auf einen Bedruckstoffbogen, insbesondere Druck, oder Lackierwerk, in einer Bogenrotationsdruckmaschine
FR2811256A1 (fr) * 2000-07-06 2002-01-11 Jean Francille Procede de fabrication d'un manchon a ponts de compensation, notamment pour la flexographie et manchon obtenu
FR2811255A1 (fr) * 2000-07-06 2002-01-11 Jean Francille Procede de fabrication d'un manchon avec reseau integre de cordons stabilisateurs, notamment pour la flexographie et manchon obtenu
EP1834768A1 (de) * 2006-03-17 2007-09-19 Euram H.R. Ltd. Röhrenförmiges Dekorationsmittel
EP2377686A1 (de) 2010-04-16 2011-10-19 Goebel GmbH Rotationszylinder für eine Verarbeitungsmaschine
WO2012038514A1 (en) 2010-09-24 2012-03-29 Euro-Composites S.A. Multi-layer, expandable sleeve for a printing press cylinder, particularly for flexographic printing
LU91958B1 (de) * 2012-03-08 2013-09-09 Euro Composites Expandierbare Hülse für einen Druckmaschinenzylinder
DE10241800B4 (de) * 2002-09-06 2014-04-30 Polywest Kunststofftechnik Saueressig & Partner Gmbh & Co. Kg Hülse mit mehrschichtigem Aufbau für Druckmaschinen und Verfahren zu ihrer Herstellung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10009688B4 (de) * 2000-02-29 2004-11-25 Rotec-Hülsensysteme GmbH & Co. KG Hülse mit schrumpfbarem Hülsenkern, und Verfahren zu ihrer Herstellung
DE10024001B4 (de) 2000-05-17 2014-11-13 Manroland Web Systems Gmbh Formatvariable Rollenoffsetdruckmaschine und Verfahren zur Herstellung formatvariabler Oberflächen
DE10066292B4 (de) * 2000-05-17 2014-12-11 Manroland Web Systems Gmbh Formatvariable Rollenoffsetdruckmaschine und Verfahren zur Herstellung formatvariabler Oberflächen
DE10046559A1 (de) * 2000-09-19 2002-04-04 Akl Flexo Technik Gmbh Druckklischee-Montagesystem
DE10121557A1 (de) * 2001-05-03 2002-11-14 Koenig & Bauer Ag Walzen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111371A2 (de) * 1982-12-08 1984-06-20 Stork Screens B.V. Verfahren zur Herstellung einer Druckmanschette
EP0196443A2 (de) 1985-03-29 1986-10-08 Saueressig Gmbh & Co. Tiefdruckzylinder, bestehend aus einem Kern und einer lösbar mit diesem verbundenen Hülse
EP0366395A2 (de) * 1988-10-24 1990-05-02 Lavalley Industries Inc Druckhülse und Verfahren zum Montieren und Demontieren der Druckhülse
EP0546973A1 (de) * 1991-12-11 1993-06-16 Jean Francille Plattenhülse für flexographische Druckzylinder
US5256459A (en) * 1991-05-03 1993-10-26 American Roller Company Wound printing sleeve
US5260166A (en) * 1992-03-04 1993-11-09 Graphic Controls Corporation Seamless, trilaminate, photopolymer cylindrical printing plate and method of manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111371A2 (de) * 1982-12-08 1984-06-20 Stork Screens B.V. Verfahren zur Herstellung einer Druckmanschette
EP0196443A2 (de) 1985-03-29 1986-10-08 Saueressig Gmbh & Co. Tiefdruckzylinder, bestehend aus einem Kern und einer lösbar mit diesem verbundenen Hülse
EP0366395A2 (de) * 1988-10-24 1990-05-02 Lavalley Industries Inc Druckhülse und Verfahren zum Montieren und Demontieren der Druckhülse
US5256459A (en) * 1991-05-03 1993-10-26 American Roller Company Wound printing sleeve
EP0546973A1 (de) * 1991-12-11 1993-06-16 Jean Francille Plattenhülse für flexographische Druckzylinder
US5260166A (en) * 1992-03-04 1993-11-09 Graphic Controls Corporation Seamless, trilaminate, photopolymer cylindrical printing plate and method of manufacture

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0791477A3 (de) * 1996-02-22 1997-11-12 Praxair S.T. Technology, Inc. Hülse für eine Flüssigkeitsübertragungsrolle und Herstellungsverfahren dafür
EP0850782A1 (de) * 1996-12-30 1998-07-01 Jean Francille Komposit Manchette mit keramischer Beschichtung insbesondere zur Verwendung für Farbauftragmanchette
FR2757795A1 (fr) * 1996-12-30 1998-07-03 Francille Jean Manchon composite a revetement ceramique, adapte notamment pour les manchons de transfert d'encre
WO1998029260A1 (fr) * 1996-12-30 1998-07-09 Jean Francille Manchon composite a revetement ceramique, adapte notamment pour les manchons de transfert d'encre
DE19804269A1 (de) * 1998-02-04 1999-08-05 Heidelberger Druckmasch Ag Vorrichtung zum Auftragen einer Flüssigkeit auf einen Bedruckstoffbogen, insbesondere Druck, oder Lackierwerk, in einer Bogenrotationsdruckmaschine
FR2811256A1 (fr) * 2000-07-06 2002-01-11 Jean Francille Procede de fabrication d'un manchon a ponts de compensation, notamment pour la flexographie et manchon obtenu
FR2811255A1 (fr) * 2000-07-06 2002-01-11 Jean Francille Procede de fabrication d'un manchon avec reseau integre de cordons stabilisateurs, notamment pour la flexographie et manchon obtenu
DE10241800B4 (de) * 2002-09-06 2014-04-30 Polywest Kunststofftechnik Saueressig & Partner Gmbh & Co. Kg Hülse mit mehrschichtigem Aufbau für Druckmaschinen und Verfahren zu ihrer Herstellung
EP1834768A1 (de) * 2006-03-17 2007-09-19 Euram H.R. Ltd. Röhrenförmiges Dekorationsmittel
EP2377686A1 (de) 2010-04-16 2011-10-19 Goebel GmbH Rotationszylinder für eine Verarbeitungsmaschine
EP2377686B1 (de) * 2010-04-16 2016-06-08 Euro-Composites S.A. Hülse zur Montage auf einen Druckmaschinenzylinder
JP2013540617A (ja) * 2010-09-24 2013-11-07 ユーロ‐コンポジテス エス．ア． 特にフレキソグラフィック印刷に適した印刷用プレスシリンダのための多層内径可変スリーブ
WO2012038514A1 (en) 2010-09-24 2012-03-29 Euro-Composites S.A. Multi-layer, expandable sleeve for a printing press cylinder, particularly for flexographic printing
EP2732977A2 (de) 2010-09-24 2014-05-21 Euro-Composites S.A. Mehrschichtige, expandierbare Hülse für einen Druckmaschinenzylinder, insbesondere für Flexodruck
US8960089B2 (en) 2010-09-24 2015-02-24 Euro-Composites S.A. Multi-layer, expandable sleeve for a printing press cylinder, particularly for flexographic printing
AU2011306927B2 (en) * 2010-09-24 2015-05-28 Euro-Composites S.A. Multi-layer, expandable sleeve for a printing press cylinder, particularly for flexographic printing
US9233570B2 (en) 2010-09-24 2016-01-12 Euro-Composites S.A. Multi-layer, expandable sleeve for a printing press cylinder, particularly for flexographic printing
LU91958B1 (de) * 2012-03-08 2013-09-09 Euro Composites Expandierbare Hülse für einen Druckmaschinenzylinder
EP2636535A1 (de) 2012-03-08 2013-09-11 Euro-Composites S.A. Expandierbare Hülse für einen Druckmaschinenzylinder

Also Published As

Publication number Publication date
ES2124987T3 (es) 1999-02-16
CA2149716A1 (fr) 1995-11-20
DE69505044T2 (de) 1999-05-27
DE69505044D1 (de) 1998-11-05
ATE171673T1 (de) 1998-10-15
DK0683040T3 (da) 1999-06-21
EP0683040B1 (de) 1998-09-30

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