EP0881098A1 - Hülse für Walsen einer Druckmaschine und Verfahren zu ihrer Befestigung - Google Patents

Hülse für Walsen einer Druckmaschine und Verfahren zu ihrer Befestigung Download PDF

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Publication number
EP0881098A1
EP0881098A1 EP98401265A EP98401265A EP0881098A1 EP 0881098 A1 EP0881098 A1 EP 0881098A1 EP 98401265 A EP98401265 A EP 98401265A EP 98401265 A EP98401265 A EP 98401265A EP 0881098 A1 EP0881098 A1 EP 0881098A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
layer
cylinder
printing
heat
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
EP98401265A
Other languages
English (en)
French (fr)
Other versions
EP0881098B1 (de
Inventor
Hervé Praet
Jean-Pierre Moscato
Gérard Rich
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.)
MacDermid Graphics Solutions Europe SAS
Original Assignee
Rollin 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 Rollin SA filed Critical Rollin SA
Publication of EP0881098A1 publication Critical patent/EP0881098A1/de
Application granted granted Critical
Publication of EP0881098B1 publication Critical patent/EP0881098B1/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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/02—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to impression cylinders

Definitions

  • the main subject of the present invention is a sleeve, removable or not, for a machine cylinder printing, coating, embossing, expressing, or in general finishing of any substrate.
  • these sleeves consist of a plurality of associated concentric layers, namely basically an outer print layer or lithographic and one or more underlying layers likely to provide the desired print quality on a substrate such as for example paper.
  • the known sleeves cannot adapt to highly variable conditions of use industrial and very variable diameters of cylinders fitted to printing machines or finishing of substrates in general.
  • the present invention aims to solve the above problems by proposing a sleeve that can be qualified as universal in the sense that it is adaptable to any cylinder diameter for a printing machine, coating or whatever.
  • the present invention provides a sleeve for printing, coating machine cylinder or analogous, comprising several concentric layers associated, namely an outer printing layer, coating or the like and one or more underlying layers participating in print quality or coating of any support, characterized in at least one of the layers of the sleeve is retractable heat to adapt to the diameter of the machine cylinder.
  • the heat-shrinkable layer is a layer having only the technical retraction function.
  • the heat-shrinkable layer at the same time constitutes a layer having a other function.
  • This heat-shrinkable layer may constitute volume about 10 to 50% of said layer having another function.
  • the heat-shrinkable layer can be integrated to an external printing, coating or analogous, to a compressible layer, to a layer support, or at least two of these three layers.
  • the sleeve according to this invention is further characterized in that the aforementioned heat-shrinkable layer is in one material based on polyethylene, polyvinyl chloride (PVC), polyamide, polypropylene or fluorinated polyvinylidene (PVDF).
  • PVC polyvinyl chloride
  • PVDF fluorinated polyvinylidene
  • the innermost layer of said sleeve may include on its external surface a hot-melt adhesive or a layer of self-adhesive polymer for bonding the sleeve after retraction, on the cylinder.
  • the sleeve can be made up of several independent parts concentrically nested one of which is permanently on the cylinder and of which at least one other is removable and has at least one heat-shrinkable layer.
  • the sleeve of this invention can be interrupted following a generator and include a clasp for allow its mounting on the cylinder before heat-shrinking.
  • the sleeve with heat-shrinkable layer (s) according to this invention can constitute an offset printing sleeve or a flexographic printing sleeve.
  • a layer printing photopolymer and cell layer compressible comprises, between a layer printing photopolymer and cell layer compressible, a barrier layer which forms a layer heat shrink.
  • This invention also relates to a method of setting up a sleeve meeting the above characteristics, on a cylinder of a printing, coating or analogous, characterized by heating the sleeve on said cylinder by means of an air convection system hot or microwave to activate the heat shrink layer.
  • Figures 1, 2 and 3 illustrate schematically and in cross section of sleeves for machine cylinder offset printing according to this invention.
  • Figure 4 is a schematic sectional view partial cross section of a printing sleeve flexographic.
  • Figures 5 and 6 illustrate schematically and in section partial transverse placement of a sleeve on a cylinder (figure 5) and the mounted position of the sleeve on this cylinder after heat-shrinking (Figure 6).
  • Figure 7 illustrates in cross section a sleeve according to this invention provided with a clasp shown with a schematically, and in a position ready to be fixed around a cylinder.
  • Figure 8 is an enlarged partial sectional view transverse of the sleeve in the fixed position around the cylinder and comprising a junction at the level of clasp to make the sleeve functionally free end.
  • At least one of the layers 1, 2 or 3 is incorporated a material giving it a heat-shrinkable and constituting approximately 10 to 50% of this layer, by volume.
  • the layer to which will be integrated said material will retain its its own function and to which will be added the heat-shrink function.
  • alloys of polymers whose heat-shrinkable phase has a rate crystallinity between 10 and 60%.
  • the material in question could be integrated to layer 2 which will therefore be a compressible layer and heat shrink.
  • This layer is interposed between the support layer 3 and compressible layer 2, but it might as well be interposed, without departing from the scope of the invention, between lithographic layer 1 and layer compressible 2.
  • we could perfectly provide two heat-shrinkable layers such as 4 between layers 1 and 2 respectively and layers 2 and 3.
  • the heat-shrinkable layer (s) 4 are a material based on polyethylene, polyvinyl chloride (PVC), polyamide, polypropylene or fluorinated polyvinylidene (PVDF), or other polymeric materials having a rate of crystallinity between 10 and 60% in a range of useful temperature.
  • PVC polyvinyl chloride
  • PVDF fluorinated polyvinylidene
  • a sleeve comprising a layer lithographic 1, a compressible layer 2, and a layer of hot-melt adhesive 5 which replaces the support layer 3.
  • a heat-shrinkable layer may either be interposed between layers 1 and 2 for example is integrated into at least one of these two layers.
  • the adhesive layer 5 will allow, as will be described in detail below, gluing the sleeve, after retraction, on the cylinder which must be equipped with this muff.
  • layer 5 can be also consisting of a layer of self-adhesive polymer.
  • the sleeves shown in Figures 1, 2 and 3 could each have both kinds of layers heat-shrinkable, namely one or more layers 4 having only the technical function of withdrawal as well that one or more heat-shrinkable layers integrated into the minus one of layers 1, 2 or 3.
  • the realization of the image in relief on the sleeve photopolymer preferably requires application on the outer surface of the photopolymer layer 10 of additional thin layers before exposure UV and its development.
  • These layers can be non-stick layers protecting the surface when in contact with the UV mask or one or more layers to generate the UV mask "in-situ" on the sleeve or layers of revelation of the image contrast or relevant combinations of these.
  • one or more layers can be provided heat-shrinkable having only the technical function of retraction and interposed between layers 10 and 20, 20 and 30. This is how we have shown as an example on Figure 4 such a heat shrinkable layer 40 interposed between the barrier layer 20 and the layer fuel 30.
  • a heat shrinkable layer such as 40 could also be provided between layers 10 and 20.
  • At least one of the layers 20, 30 could, in addition to its function its own, being a heat-shrinkable layer.
  • the layer barrier 20 between the photopolymer layer 10 and the layer compressible 30, which will be made heat-shrinkable by incorporation of one and / or the other of the materials previously mentioned.
  • a sleeve comprising a layer lithographic 1, a compressible layer 2, a layer heat-shrinkable 4 and a layer 5 of hot-melt adhesive or self-adhesive polymer.
  • the internal diameter of the multilayer sleeve is greater than the diameter of the cylinder 100, so that said sleeve can be easily threaded on cylinder 100.
  • the same dimension of sleeve can advantageously be adapted to various cylinder diameters.
  • the sleeves visible in FIGS. 1 to 6 are endless sleeves but we could perfectly realize a sleeve interrupted following a generator and comprising, as seen in Figure 7, a clasp 60 allowing its mounting on the cylinder 100 before heat shrink.
  • the clasp 60 could form a bead 61 susceptible to be clipped into a groove 62 to thus achieve the mounting the sleeve around the cylinder, as seen well in figure 8, after which the sleeve is, heated to retract and hug the periphery of the cylinder 100.
  • the interrupted sleeve could also, if necessary, be provided with a layer of hot-melt adhesive (not shown) on the contacting face with the machine 100 cylinder.
  • the multilayer sleeve with either one or more independent or integrated heat-shrinkable layers to the other layers is obtained by extrusion and cut to the desired length.
  • the sleeve is preferably crosslinked and it is heats, which allows its radial expansion.
  • the sleeve is cooled, which freezes its expanded form.
  • the sleeve can then be put in place on a cylinder of smaller diameter and heated which will cause its retraction and its mounting on the periphery of the cylinder.
  • the sleeve of this invention could be made up of several independent parts concentrically nested one of which would be permanent on the cylinder and at least one of which would be removable and would include one or more heat-shrinkable layers.
  • the sleeve of the invention finds multiple applications in for example printing flexographic, gravure printing, offset printing or for coating and varnishing applications.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP98401265A 1997-05-28 1998-05-27 Hülse für Walzen einer Druckmaschine und Verfahren zu ihrer Befestigung Expired - Lifetime EP0881098B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9706546 1997-05-28
FR9706546A FR2763888B1 (fr) 1997-05-28 1997-05-28 Manchon perfectionne pour cylindre de machine d'impression ou analogue et procede de mise en place de ce manchon

Publications (2)

Publication Number Publication Date
EP0881098A1 true EP0881098A1 (de) 1998-12-02
EP0881098B1 EP0881098B1 (de) 2001-11-07

Family

ID=9507331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98401265A Expired - Lifetime EP0881098B1 (de) 1997-05-28 1998-05-27 Hülse für Walzen einer Druckmaschine und Verfahren zu ihrer Befestigung

Country Status (5)

Country Link
US (1) US6125753A (de)
EP (1) EP0881098B1 (de)
JP (1) JPH1191258A (de)
DE (1) DE69802333T2 (de)
FR (1) FR2763888B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802465A1 (fr) * 1999-12-20 2001-06-22 Rollin Sa Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2801833B1 (fr) * 1999-12-03 2003-05-16 Rollin Sa Un manchon comprenant une couche de solidarisation sur un cylindre support metallique
US6276271B1 (en) * 2000-03-17 2001-08-21 Day International, Inc. Bridge mandrel for flexographic printing systems
US20050032617A1 (en) * 2000-04-13 2005-02-10 Hokushin Corporation Roller member
US6703095B2 (en) * 2002-02-19 2004-03-09 Day International, Inc. Thin-walled reinforced sleeve with integral compressible layer
DE20207243U1 (de) * 2002-05-08 2002-10-10 Rotec Huelsensysteme Gmbh & Co Hülse mit verformbarer, harter Außenschicht, und mittels einer derartigen Hülse gebildeter Flexodruckkörper
DE60307261T2 (de) * 2003-07-25 2007-07-26 Bobst S.A. Verfahren zur Befestigung einer Gummituch-Hülse auf einen Spannfutter
TWI253389B (en) * 2003-07-25 2006-04-21 Bobst Sa Method for tightening an embossing plate ring on a chuck
NL1024430C2 (nl) * 2003-10-02 2005-04-05 Drent Graphic Machines Werkwijze voor het vervaardigen van naadloze offsetdrukcilinderhuls, verwisselbare naadloze offsetdrukcilinderhuls, gebruik van en samenstel met een dergelijke offsetdrukcilinderhuls.
EP1707355B1 (de) * 2003-12-16 2009-07-08 Koenig & Bauer Aktiengesellschaft Druckwerk einer Druckmaschine ohne Feuchtwerk
US20050250043A1 (en) * 2004-05-07 2005-11-10 Mclean Michael E Method of making a photopolymer sleeve blank for flexographic printing
US20050277062A1 (en) * 2004-05-07 2005-12-15 Mclean Michael E Method of making a photopolymer sleeve blank having an integral UV transparent cushion layer for flexographic printing
US8252514B2 (en) * 2006-03-14 2012-08-28 Day International, Inc. Flexographic printing plate assembly
FR3004671B1 (fr) * 2013-04-22 2015-05-22 Pakea Machine pour la fabrication en continu de corps tubulaires de boites notamment a base de carton ou similaire
EP3166793B1 (de) * 2014-07-10 2020-01-08 Velcro Bvba Druckplattenverbindungssysteme

Citations (7)

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Publication number Priority date Publication date Assignee Title
GB1262659A (en) * 1969-01-04 1972-02-02 Woodville Rubber Company Ltd Process for the manufacture of composite rollers for copying machines
US3981237A (en) * 1973-02-21 1976-09-21 Rhodes John M Plastic rotary printing screens construction method therefor
US4099462A (en) * 1973-06-25 1978-07-11 Hurletron Altair, Inc. Alternating current energized printing system utilizing a dielectric covered resilient impression roller
US4198739A (en) * 1976-05-19 1980-04-22 Rodel, Inc. Printing roller with polymeric coner and method of making the same
JPS63141788A (ja) * 1986-12-04 1988-06-14 Art Insatsu Kk 印刷用給湿スリ−ブおよびその製造方法
WO1992002859A1 (en) * 1990-07-27 1992-02-20 Zed Instruments Limited Printing member
EP0613791A2 (de) * 1993-03-03 1994-09-07 W.R. Grace & Co.-Conn. Nahtloses Mehrschicht-Drucktuch und Verfahren zu dessen Herstellung

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
IT1231223B (it) * 1987-09-11 1991-11-26 Cerutti Spa Off Mec Metodo per giuntare le estremita' di una lastra per la stampa rotativa e giunzione cosi' ottenuta
US5553541A (en) * 1989-10-05 1996-09-10 Heidelberg Harris Inc Gapless tubular printing blanket
CA2068629C (en) * 1991-05-14 1996-05-07 James B. Vrotacoe Gapless tubular printing blanket
US5347927A (en) * 1993-05-04 1994-09-20 W. R. Grace & Co.-Conn. Anisotropic endless printing element and method for making the same
JPH0752516A (ja) * 1993-08-20 1995-02-28 Riso Kagaku Corp 印刷ドラム及びその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1262659A (en) * 1969-01-04 1972-02-02 Woodville Rubber Company Ltd Process for the manufacture of composite rollers for copying machines
US3981237A (en) * 1973-02-21 1976-09-21 Rhodes John M Plastic rotary printing screens construction method therefor
US4099462A (en) * 1973-06-25 1978-07-11 Hurletron Altair, Inc. Alternating current energized printing system utilizing a dielectric covered resilient impression roller
US4198739A (en) * 1976-05-19 1980-04-22 Rodel, Inc. Printing roller with polymeric coner and method of making the same
JPS63141788A (ja) * 1986-12-04 1988-06-14 Art Insatsu Kk 印刷用給湿スリ−ブおよびその製造方法
WO1992002859A1 (en) * 1990-07-27 1992-02-20 Zed Instruments Limited Printing member
EP0613791A2 (de) * 1993-03-03 1994-09-07 W.R. Grace & Co.-Conn. Nahtloses Mehrschicht-Drucktuch und Verfahren zu dessen Herstellung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 012, no. 392 (M - 755) 19 October 1988 (1988-10-19) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802465A1 (fr) * 1999-12-20 2001-06-22 Rollin Sa Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention
WO2001045951A1 (fr) * 1999-12-20 2001-06-28 Macdermid Graphic Arts S.A. Manchon comportant des moyens de fixation de plaques d'impression et procede d'obtention

Also Published As

Publication number Publication date
FR2763888B1 (fr) 1999-07-16
FR2763888A1 (fr) 1998-12-04
US6125753A (en) 2000-10-03
EP0881098B1 (de) 2001-11-07
JPH1191258A (ja) 1999-04-06
DE69802333T2 (de) 2002-08-14
DE69802333D1 (de) 2001-12-13

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