EP1361073A2 - Manchon avec une couche extérieure dure et déformable, et un corps pour l'impression flexographique utiisant une telle couche - Google Patents

Manchon avec une couche extérieure dure et déformable, et un corps pour l'impression flexographique utiisant une telle couche Download PDF

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Publication number
EP1361073A2
EP1361073A2 EP03010073A EP03010073A EP1361073A2 EP 1361073 A2 EP1361073 A2 EP 1361073A2 EP 03010073 A EP03010073 A EP 03010073A EP 03010073 A EP03010073 A EP 03010073A EP 1361073 A2 EP1361073 A2 EP 1361073A2
Authority
EP
European Patent Office
Prior art keywords
layer
sleeve
compressible
printing
outer layer
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Withdrawn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
EP03010073A
Other languages
German (de)
English (en)
Other versions
EP1361073A3 (fr
Inventor
Christian Schnieders
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.)
Rotec Hulsensysteme GmbH and Co KG
Original Assignee
Rotec Hulsensysteme GmbH and Co KG
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 Rotec Hulsensysteme GmbH and Co KG filed Critical Rotec Hulsensysteme GmbH and Co KG
Publication of EP1361073A2 publication Critical patent/EP1361073A2/fr
Publication of EP1361073A3 publication Critical patent/EP1361073A3/fr
Withdrawn legal-status Critical Current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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/04—Printing plates or foils; Materials therefor metallic
    • B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio printing
    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/16—Curved printing plates, especially cylinders
    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/16—Curved printing plates, especially cylinders
    • B41N1/22—Curved printing plates, especially cylinders made of other substances
    • 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
    • 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
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02—Top layers
    • 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
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/04—Intermediate layers
    • 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
    • B41N7/00—Shells for rollers of printing machines
    • B41N7/06—Shells for rollers of printing machines for inking rollers

Definitions

  • the invention relates to a sleeve for flexographic printing, and a Printing body for flexographic printing, which uses such a sleeve is formed.
  • sleeve z. B. also on referred to as adapter sleeves and is not necessarily a motif carrier - e.g. B. in the form of an arched on the Sleeve can be stuck on and provided with an engraved motif Pressure plate - includes, is hereinafter referred to as "pressure body” denotes a sleeve which is provided with a motif carrier.
  • flexographic printing it is known to have comparatively large wall thicknesses the sleeve and the flexographic printing typical Widen the sleeve by allowing the inner layer can be expanded while the outer layer with its diameter essentially unchanged remains.
  • inner layers are provided which Although they are comparatively hard, they withstand the mechanical loads withstand the assembly and disassembly of the sleeve can, but are expandable in that radial outside of this hard inner layer a compressible Layer is provided which an expansion process of Inner layer allows.
  • the outer layer of the flexographic printing sleeves are either soft, known compressible layers, which are then used to absorb "hard” glued on printing clichés serve, or they are comparative hard outer layers known, on which then the printing clichés are glued on "softly”. In both cases the result is an attempt to make the printing cliché a yielding one Allow support so that peak pressures are avoided between the printing plate and the one to be printed Object could arise.
  • an adhesive strip can be made from a Foam material find use, the one in contrast greater thickness of about 0.38 mm or about 1 ⁇ 2 mm, up to possibly several mm.
  • the invention has for its object a sleeve and to create a pressure hull for flexographic printing, each with the most robust design possible, the highest possible Enable printing precision.
  • the invention proposes a hard sleeve Outer layer in front, the outer layer being covered by an underneath arranged compressible layer is in turn compressible.
  • the outer layer has a correspondingly suitable one Layer thickness or a blessed material to, despite the desired "hard” material character of the outer layer Impressiveness among those occurring during the printing process To ensure loads.
  • a larger area Deformation of the outer layer takes place instead of one only punctual deformability, so that the desired The "hard” material character of the outer layer can be retained and yet their deformability can be effected.
  • the "impressionability" of the outer layer is therefore less a result of a selective compliance, possibly even with a reduction their layer thickness at the point under pressure, but rather by training a dent or flattening of their radius compressing the compressible layer.
  • the sleeve is special is robust, because compared to soft, for example foamed, compressible outer layers can be a hard outer layer better withstand mechanical loads.
  • compressible outer layers can be a hard outer layer better withstand mechanical loads.
  • the deformability of the hard outer layer can with a thin, hard, i.e. not consciously compressible adhesive tape to be worked around the printing block on the sleeve too Fasten.
  • a particularly precise and precise positioning of the printing plate is made possible because the tolerances of a compressible adhesive layer are not occur.
  • the positive influence on the printing properties due to the radial indentation or radial compliance of the printing block in a sleeve according to the invention allows.
  • the sleeve can have considerable wall thicknesses, with the Achieving particularly large wall thicknesses, for example from 5 mm to several cm wall thickness, a lightweight as possible Material used to create an intermediate layer can be.
  • the intermediate layer is between the inner layer and the compressible layer provided which the deformability the outer layer allows.
  • the intermediate layer is an extension of the Inner layer and thus the typical flexographic printing assembly of the Sleeve does not allow two compressible layers provided the same or from different materials of which one is the inner layer and the other is the The outer layer is adjacent, in each case in order to deform it enable.
  • the support layer also offers a good one Separation between the material of the inner compressible Layer and the next layer applied over it, if for example an open-pore one for the inner compressible layer Foam material is used. So through the support layer be prevented from being subsequently produced material applied to the sleeve into the open pores of the compressible Layer runs in and thus the deformability and in particular compression effect of the compressible layer impaired or uneven.
  • the sleeves constructed in this way can be a pressure body for form the flexographic printing in which the directly on the sleeve Printing cliché is applied.
  • the printing cliché can be used for this be glued to the outer layer, advantageously none Foam glue is used, but a thinner and insofar "Hard” adhesive essentially than this adhesive is not compressible.
  • the outer surface of the sleeve immediately with to coat the material from which the printing plate should be created. It can be engravable materials or those that are "lasered” in a manner known per se, wherein then washed out the non-lasered areas of the material become.
  • Such a coating is because it is immediate is applied to the outer layer, incompressible with connected to the outer layer, d. H. there is no compressible Material between this coating and the outer layer, so the desired "hard” character with which arranged the printing block on the outer layer is achieved.
  • the sleeve designed according to the invention can represent a pressure hull can also be one of the basic ones Structure ago known, two-part sleeve created become.
  • An outer sleeve is used, the Inside diameter to the outside diameter of the desired Printing cylinder by interposing a so-called Adapter sleeve is adjusted.
  • the adapter sleeve can be according to the invention be designed and made possible by their hard outer layer a problem-free assembly of the outer sleeve, d. H. easy pulling of the outer sleeve onto the adapter sleeve compared to a soft outer layer of the adapter sleeve, which is usually a considerable experience offers greater frictional resistance.
  • the outer sleeve is like this designed to be deformable in such a way that the deformability of the outer layer
  • the adapter sleeve allows both layers compressing the compressible layer which is the The outer layer is adjacent, among those that occur during printing Loads are deformed in the manner described above can.
  • the desired print character "hard on hard” can ensured by appropriate choice of material for the outer sleeve be, for example, by a fiber-reinforced Plastic, such as GRP, with a correspondingly small wall thickness this outer sleeve, the desired, according to the invention Deformability of the outer layer of the adapter sleeve is guaranteed can be.
  • a pressure body for flexographic printing is shown.
  • This has a sleeve designated overall by 1, which has an inner layer 2, for example made of glass fiber reinforced Plastic.
  • This inner layer 2 is hard, so not notably compressible and especially "surface hard", So wear-resistant, so that they are the various assembly and Dismantling processes endured easily.
  • the inner layer 2 is elastically deformable, in particular radially stretchable, with compression radially on the outside subsequent, compressible layer 3, which consists of an open-pore Foam material exists.
  • Radially outside the compressible Layer 3 closes another layer of glass fiber reinforced Plastic on, this layer as a support layer 4 first, the compressible layer 3 radially outwards supported. Second, it protects the porous foam material compressible layer 3 in the manufacture of the sleeve 1: it prevents that in the subsequent coating steps to build up the multilayer sleeve wall the pores of the compressible layer 3 and thus compressibility Layer 3 can be impaired, it also works as a gas impermeable barrier layer.
  • An intermediate layer 5 is radially outside the support layer 4 provided, which also consists of a foam material, however, unlike compressible layer 3, it is not compressible, but is designed hard, using the a foam for the intermediate layer 5 also serves larger wall thicknesses of the sleeve 1 with a total if possible allow easy construction of the sleeve 1 to this Way rotational inertial forces of the sleeve 1 as low as possible to keep.
  • a foam material a otherwise lighter material used for the intermediate layer 5 be, e.g. B. by introducing lightweight packing into the base material of the intermediate layer 5.
  • an additional compressible Layer 6 provided from a foam material, similar to that inner compressible layer 3, this additional, outer compressible layer 6 serves a hard outer layer 7 to make impressionable.
  • the intermediate layer 5 and the outer layer 7 can basically be made of the same material or Material type consist, wherein the intermediate layer 5 from the foamed weight reasons mentioned or with lightweight Fillers is provided while using the same material for the outer layer 7 in non-foamed or unfilled Condition used to mechanically cover the outer layer 7 to be particularly robust.
  • a printing block 8 on the outer layer 7 is purely schematic indicated, the adhesive layer between the printing block 8 and the outer layer 7 is so thin that it is in the Drawing is not shown. A conscious compression effect through the adhesive layer is not provided in any case.
  • the total diameter of the sleeve 1 can be approximately 12 cm, the free inside diameter being about 7 cm can and the mounting of the sleeve 1 on a printing cylinder or an adapter sleeve of appropriate diameter.
  • the inner layer 1 can consist of GRP and about 1 mm thick.
  • the compressible layer 3 can be about 1 mm thick his.
  • the support layer 4 can also consist of GRP and about 1 - 1.5 mm thick.
  • the intermediate layer 5 can be made with lightweight packing made of filled polyurethane and be about 18 mm thick.
  • the outer, additional compressible Layer 6 can be about 2 mm thick.
  • the outer layer 7 can made of unfilled polyurethane, e.g. B. the same PU material, which is filled for the intermediate layer 5, and be 1 - 2 mm thick.
  • the outer layer 7 has a hardness of approximately 70-80 Shore D can have a robust and cut-resistant surface layer to create the sleeve on which printing blocks or adhesive strips can be cut with knives, can the outer, additional compressible layer 6 a hardness from about 20 to 60 Shore A, for example 30 Shore A, to be sufficiently compressible and the deformability, in particular to enable the outer layer 7 to be pressed in.
  • the intermediate layer 5 as a layer, which the Wall thickness of the sleeve 1 essentially determined can be considerable be thinner than in the illustrated embodiment, but also considerably thicker, for example several cm thick be when for small diameter impression cylinders Repeat as large as possible should be made possible.
  • the intended small wall thicknesses of the sleeve 1 can, if necessary Support layer 4 and / or the intermediate layer 5 are omitted.
  • the sleeve 1 shown by the on its surface provided printing plate 8 represents a pressure body
  • their inner diameter is adapted to a pressure cylinder
  • their Outside diameter is adapted to an outer sleeve, which in turn carries the printing cliché.
  • the wall thickness and / or the material character the outer sleeve is adapted to the intended deformability, z. B. by using a GRP sleeve with a Wall thickness of 1 ⁇ 2 mm or less, being for use as Adapter sleeve 1, a possibly softer and / or thinner Has outer layer than the illustrated embodiment.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Printing Methods (AREA)
EP03010073A 2002-05-08 2003-05-03 Manchon avec une couche extérieure dure et déformable, et un corps pour l'impression flexographique utiisant une telle couche Withdrawn EP1361073A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20207243U DE20207243U1 (de) 2002-05-08 2002-05-08 Hülse mit verformbarer, harter Außenschicht, und mittels einer derartigen Hülse gebildeter Flexodruckkörper
DE20207243U 2002-05-08

Publications (2)

Publication Number Publication Date
EP1361073A2 true EP1361073A2 (fr) 2003-11-12
EP1361073A3 EP1361073A3 (fr) 2004-09-22

Family

ID=7970929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03010073A Withdrawn EP1361073A3 (fr) 2002-05-08 2003-05-03 Manchon avec une couche extérieure dure et déformable, et un corps pour l'impression flexographique utiisant une telle couche

Country Status (3)

Country Link
US (1) US20030217661A1 (fr)
EP (1) EP1361073A3 (fr)
DE (1) DE20207243U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1762397A1 (fr) * 2005-09-12 2007-03-14 Folex Coating GmbH Forme d'impression compressible multicouche
EP1967360A2 (fr) 2007-03-08 2008-09-10 Saueressig Gmbh & Co. Manchon et outil de serrage destinés à l'utilisation dans un système constitué d'un outil de serrage et d'au moins un manchon
WO2012038514A1 (fr) 2010-09-24 2012-03-29 Euro-Composites S.A. Manchon extensible multicouche pour un rouleau de presse d'impression, en particulier pour impression flexographique
EP2636535A1 (fr) 2012-03-08 2013-09-11 Euro-Composites S.A. Manchon extensible pour un cylindre d'une machine d'impression

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6389965B1 (en) * 1999-12-21 2002-05-21 Heidelberger Druckmaschinen Ag Tubular printing blanket with tubular isotropic reinforcing layer
DE602004020612D1 (de) * 2003-06-09 2009-05-28 Goss Internat Inc Offsetdruckmaschine mit freitragenden druck- und einfärbemodulen
US9409385B2 (en) * 2006-05-08 2016-08-09 Day International, Inc. Intermediate sleeve
US9057958B2 (en) * 2008-03-31 2015-06-16 E I Du Pont De Nemours And Company Apparatus for thermal development with a conformable support
ITMI20082225A1 (it) * 2008-12-16 2010-06-17 Rossini S P A Manica adattatrice per cilindri da stampa ad elevata rigidita'
US9156299B2 (en) 2011-06-30 2015-10-13 Eastman Kodak Company Laser-imageable flexographic printing precursors and methods of imaging
LU92573B1 (de) * 2014-10-16 2016-04-18 Windmöller & Hölscher Kg Grundkörper zur aufnahme einer druckbildstruktur
EP3059084A1 (fr) * 2015-02-17 2016-08-24 Color Control B.V. Douille pour remplir l'espace dans un manchon utilisé en flexographie, manchon et procédé de fabrication
JP6554187B2 (ja) * 2016-02-02 2019-07-31 富士フイルム株式会社 円筒状印刷版、円筒状印刷版原版、円筒状印刷版原版の製造方法、及び、円筒状印刷版の製造方法
CN109703177B (zh) * 2019-01-30 2021-02-02 上海运成印刷机械配件有限公司 一种印刷辊套筒
NL2037774B1 (en) * 2024-05-24 2025-12-04 Xsys Germany Gmbh Sleeve for holding a printing plate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024816A (en) * 1976-02-05 1977-05-24 Dayco Corporation Inking roller and apparatus and method for printing using such roller
CA2068629C (fr) * 1991-05-14 1996-05-07 James B. Vrotacoe Blanchet d'imprimerie tubulaire sans passage
US5860360A (en) * 1996-12-04 1999-01-19 Day International, Inc. Replaceable printing sleeve
FR2763888B1 (fr) * 1997-05-28 1999-07-16 Rollin Sa Manchon perfectionne pour cylindre de machine d'impression ou analogue et procede de mise en place de ce manchon
JP3357587B2 (ja) * 1997-11-14 2002-12-16 住友ゴム工業株式会社 印刷用ブランケット
DE19944136A1 (de) * 1998-11-05 2000-05-11 Sogewa Walzen Sonnwald Gmbh Druckwalze oder Druckwalzenhülse und deren Verwendung für den Flexodruck
US6360662B1 (en) * 2000-03-17 2002-03-26 Day International, Inc. Bridge mandrel for flexographic printing systems
US6276271B1 (en) * 2000-03-17 2001-08-21 Day International, Inc. Bridge mandrel for flexographic printing systems
DE10162660A1 (de) * 2001-12-20 2003-07-10 Rotec Huelsensysteme Gmbh & Co Hülse mit verformbarer, harter Außenschicht, und mittels einer derartigen Hülse gebildeter Flexodruckkörper

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1762397A1 (fr) * 2005-09-12 2007-03-14 Folex Coating GmbH Forme d'impression compressible multicouche
EP1967360A2 (fr) 2007-03-08 2008-09-10 Saueressig Gmbh & Co. Manchon et outil de serrage destinés à l'utilisation dans un système constitué d'un outil de serrage et d'au moins un manchon
DE102007011252A1 (de) 2007-03-08 2008-09-11 Saueressig Gmbh & Co. Sleeve und Spannwerkzeug zur Verwendung in einem System aus einem Spannwerkzeug und mindestens einer Sleeve
DE102007011252B4 (de) * 2007-03-08 2011-04-28 Saueressig Gmbh & Co. Sleeve und Spannwerkzeug zur Verwendung in einem System aus einem Spannwerkzeug und mindestens einer Sleeve sowie Verfahren zum Herstellen einer Sleeve
WO2012038514A1 (fr) 2010-09-24 2012-03-29 Euro-Composites S.A. Manchon extensible multicouche pour un rouleau de presse d'impression, en particulier pour impression flexographique
EP2732977A2 (fr) 2010-09-24 2014-05-21 Euro-Composites S.A. Manchon expansible multicouche pour cylindre de presse d'imprimerie, en particulier pour l'impression flexographique
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
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
EP2636535A1 (fr) 2012-03-08 2013-09-11 Euro-Composites S.A. Manchon extensible pour un cylindre d'une machine d'impression

Also Published As

Publication number Publication date
US20030217661A1 (en) 2003-11-27
DE20207243U1 (de) 2002-10-10
EP1361073A3 (fr) 2004-09-22

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