EP1157855B1 - Manchon à base de caoutchouc, notamment pour machines rotatives offset - Google Patents

Manchon à base de caoutchouc, notamment pour machines rotatives offset Download PDF

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Publication number
EP1157855B1
EP1157855B1 EP01112326A EP01112326A EP1157855B1 EP 1157855 B1 EP1157855 B1 EP 1157855B1 EP 01112326 A EP01112326 A EP 01112326A EP 01112326 A EP01112326 A EP 01112326A EP 1157855 B1 EP1157855 B1 EP 1157855B1
Authority
EP
European Patent Office
Prior art keywords
joint
sleeve
layer
blanket cylinder
cylinder sleeve
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.)
Expired - Lifetime
Application number
EP01112326A
Other languages
German (de)
English (en)
Other versions
EP1157855A1 (fr
Inventor
Eduard Dr. Hoffmann
Peter Knauer
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1157855A1 publication Critical patent/EP1157855A1/fr
Application granted granted Critical
Publication of EP1157855B1 publication Critical patent/EP1157855B1/fr
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
    • 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
    • B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
    • B41N10/02—Blanket structure
    • B41N10/04—Blanket structure multi-layer
    • 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
    • B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
    • B41N10/02—Blanket structure
    • B41N10/06—Blanket structure facilitating fastening to, or location on, supports
    • 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
    • B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
    • B41N10/02—Blanket structure
    • 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
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/02—Top layers

Definitions

  • the invention relates to a rubber sleeve according to the preamble of claim 1.
  • a similar device is known from EP-A-0819550 known.
  • Such sleeves are for example from the U.S. Patents 5,429,048 . 5 323 702 . 5,440,981 and 5,304,267 known.
  • a disadvantage of these known rubber cylinder sleeves is that the middle and lower layers thereof must be at least partially continuous. This has a particularly disadvantageous effect on the production costs.
  • Object of the present invention is to produce a generic rubber cylinder sleeve, in particular for offset web-fed rotary printing machines, compared to the known sleeves of this type cheaper at about the same or improved print quality and behavior.
  • the object is solved by the application of the features of independent claim 1.
  • the rubber cylinder sleeve is inexpensive to create. In addition, it allows good print quality, as it allows the filled with the compressible material joint break down tangential forces during Abrollessores with other printing cylinders.
  • the basic structure of such rubber cylinder sleeves consists essentially of an inner, preferably metallic sleeve.
  • GFP glass fiber reinforced sleeve
  • These sleeves are sized in thickness so that they can be slightly widened by air when pushed onto the transfer cylinder, which is usually called rubber cylinders in printing presses operating according to indirect printing methods. This is advantageous because it, in particular the U.S. Patent No. 5,429,048 shows, such a sleeve can be pushed through the side wall of a printing press on the previously unilaterally exposed transfer cylinder.
  • At least one further layer is applied - directly or indirectly - which is compressible, ie, the Air entrapments has.
  • at least one cover layer is provided, which may for example consist of an elastomeric material. With this material is taken from a forme cylinder or from a printing form, such as an offset printing plate or a sleeve-shaped offset printing form, the image to be printed and transferred to a print carrier.
  • another non-stretchable layer is provided between the compressible layer (eg an elastomer with air inclusions) and the cover layer, for example in the form of a hard elastomeric material or, for example, in the form of short fibers (eg filaments) which also embedded in the hard elastomeric material.
  • a non-stretchable layer or non-stretchable particles such as filaments or pieces of filaments may also be directly introduced into the aforementioned volume-compressible layer.
  • the transfer cylinder with 1 (blanket cylinder) and the openings or nozzles provided on its surface are designated 1a.
  • the transfer cylinder sleeve 2 (rubber blanket sleeve) applied in the manner described above has, as stated above, a metal sleeve 3 preferably expandable by air, on which a compressible layer 4 is vulcanized or adhesively bonded.
  • a layer of a non-stretchable material 5 preferably a hard elastomer layer with short fibers, which are not specified, is provided.
  • a cover layer 6 is provided, for example, from an elastic material with which can be printed in the offset printing process.
  • a metal sleeve is preferably used as a carrier sleeve 3, for example made of steel, which is expandable by air and which has a joint 7.
  • This joint 7 may for example be a weld, which is advantageously formed by the fact that the metallic sleeve is made of a plate whose ends are welded together, so that the joint 7 results.
  • the carrier sleeve 3 can also be designed without impact and gap, in which case the joint 7 drawn in FIG. 1 is omitted. In a metallic such execution, the preparation is recommended by galvanic means. Non-metallic carrier sleeves 3 are advantageously produced without impact and gap.
  • a sleeve or cylindrical rubber or plastic layer or a sleeve or cylindrical metallic or non-metallic carrier in the circumferential direction is not endless, so not seamless or not continuous, ie, that in the longitudinal or axial direction a seam or a push is present.
  • the joint may have abutting layers. It may also present itself as a gap between the ends of a layer, which is advantageously closed with an adhesive or vulcanizable material.
  • the compressible layer 4 also has a joint 8, which may be prepared by adhering to the metal shell 3 the compressible layer 4 in the form of a blanket, so that the joint 8 are formed by the ends of the rubber layer 4.
  • a non-stretchable layer 5 is used on the compressible layer 4, it may also according to the invention have a joint 9 which may be formed in the manner described above.
  • such a layer structure i. H. a carrier sleeve 3 preferably made of metal with a joint 7 and at least one applied compressible layer 4 with a joint 8, a cover layer 6 applied without joint.
  • cover layer 6 - as well as the compressible layer 4 - air inclusions, so that the cover layer 6 has a certain compressibility, which is advantageous over the prior art and lead to better printing results and printing behavior and better web guide can.
  • the sleeve according to the invention can also be made particularly advantageous in that a welded metal sleeve 3 made of steel or aluminum or for example a CFRP sleeve is used with a joint on which a conventional offset blanket, z. B. with a compressible layer applied, for example, is glued or vulcanized or is. Thereafter, the cover layer of the conventional blanket is removed, for example abraded and replaced by a continuous, d. H. a shock-free cover layer 6 applied, for example, vulcanized.
  • the joints 8, 9 are one above the other, as they represent the ends of the conventional blanket, which has been glued to the support sleeve 3.
  • the joints 8, 9 can advantageously - but not necessarily - be located directly above the joint 7.
  • the individual joints 7, 8, 9 are also circumferentially at other locations ie they do not have to lie one above the other as shown.
  • the sleeve 2 of the invention offers a variety of uses, which are not limited to the use of offset web-fed rotary printing presses.
  • this sleeve 2 can also be used for example in other indirect printing methods, such as indirect gravure printing, or used as a roller.
  • sleeve 2 it is advantageous to apply the sleeve 2 in register. This can be done, for example, that the sleeve 2 is pushed in a predetermined circumferential position.
  • the cover layer 6 may have a shock or a gap, as indicated at 16. If the gap 16 or the bumps or gaps are relatively large, they may be coated with a suitable material, e.g. an adhesive or vulcanizable material.
  • the metal layer 3 on the transfer cylinder 1 By a corresponding tight fit of the sleeve 2, for example, the metal layer 3 on the transfer cylinder 1, it can be ensured that the sleeve 2 remains fixed in the register position during operation.
  • all layers 3 to 6 are provided with a joint 7, 8, 9, 16 or a gap. It may also be present only in some or in a single layer, for example in the cover layer 6, a joint or a gap 16. It therefore accounts for the joints 7 to 9.
  • the rubber cylinder sleeve 2 is necessarily register properly applied to the transfer cylinder 1, so such that the joint or the gap 16 in Abroll Scheme with the plate cylinder 15 whose clamping channel 14 is opposite.
  • a particular embodiment of the invention is to make only the outer layer 6, so the print image receiving layer, elastic, that is preferably only the lower portion or part with z. As trapped air or possibly downwardly open air channels.
  • Such a trained layer in which also non-stretchable materials, eg. As threads or pieces of thread can be arranged, can be arranged directly on a support sleeve.
  • the layer 3 of fiber reinforced hard rubber with or without seam or gap - the z. B. can be stretched by compressed air, and this can be a compressible layer, then a semi-compressible layer, which may be fiber reinforced, and then a printing cover layer to be arranged, which is very beneficial.
  • the rubber cylinder sleeve 2.1 shown in Figure 2 is similar in the layer structure of the rubber cylinder sleeve just described according to Figure 1. For the sake of simplicity, therefore, the previous reference numerals are largely retained or provided with an addition ".1" for recurring or similar elements.
  • a carrier sleeve 3 is used, which has a joint 7.
  • the carrier sleeve 3 is made in this case of a plate whose ends are welded together, so that the joint 7 results.
  • the carrier sleeve 3 is advantageously made of steel.
  • These layers 4, 5, 6 are finite, not so continuous, with a gap remaining between their ends.
  • the gaps are located above the joint 7 of the carrier sleeve and are all filled with a compressible material 18 so that each layer 4, 5, 6 has a joint 8.1, 9.1, 16.1 formed by this compressible material 18.
  • the compressible layer 4 and the non-stretchable layer 5 are continuously executed without joint and only the joint 16.1 in the outer cover layer 16 is present.
  • the support sleeve 3 may be carried out continuously, for example, as an electroplated nickel sleeve.
  • the transfer cylinder 1, to which the rubber cylinder sleeve 2.1 can be pushed, as well as the rubber cylinder sleeve 2.1 aids for registration.
  • it is a mounted on the inner wall of the support sleeve 3 bar 3a, which is inserted in the assembly of the rubber cylinder sleeve 2.1 in an axially extending slot 17 of the transfer cylinder 1.
  • the assembly and removal of the rubber cylinder sleeve 2.1 is possible after the elastic expansion by means of the nozzles 1a supplied compressed air.
  • the width b1 of the joint 16.1 is dimensioned approximately in the size of the width b of the clamping channel 14 of the cooperating with the transfer cylinder 1 plate cylinder 15, so practically about 1 to 3mm.
  • the rubber cylinder sleeve 2.1 is brought into registry on the transfer cylinder 1 such that its abutment 16.1 comes to lie in the cover layer 6 during rolling contact with the plate cylinder 15 with respect to its clamping channel 14.
  • the joint 16.1 can also be brought to coincide with a pressure-free region B (FIG. 3) of the printed image of a printing form stretched on the plate cylinder 15.
  • a pressure-free region B FIG. 3
  • FIG. 3 shows a rubber cylinder sleeve 2.2, in which only the outer cover layer 6 has a joint 16.2, while the compressible layer 4 and the non-stretchable layer 5 without joint, so are endless.
  • the cover layer 6 is brought as a plate on the non-stretchable layer 5, z. B. glued, the later joint 16.2 forming ends containing air bubbles 10 and are vulcanized to each other.
  • the carrier sleeve 3 is designed bumpless. It has on its inner wall in turn on a bar 3a, which cooperates with a slot 17 of the transfer cylinder 1 such that the joint 16.2 coincides when rolling contact with the plate cylinder 15 with the pressure-free region B of the printed image of the printing plate 19.

Claims (10)

  1. Blanchet (2.1, 2.2), en particulier pour des machines rotatives offset, avec une douille de support intérieure (3) dilatable par de l'air, au moins une couche compressible (4) disposée au-dessus de celle-ci et une couche de recouvrement extérieure (6), la couche de recouvrement (6) se présentant sous la forme d'une couche finie, comportant un joint bout à bout (16.1, 16.2), et le joint bout à bout (16.1, 16.2) étant rempli d'une matière compressible (18).
  2. Blanchet selon la revendication 1,
    caractérisé en ce que
    la couche compressible (4) n'est pas déformable et/ou une couche non déformable (5) est disposée sur cette dernière.
  3. Blanchet selon la revendication 1 ou 2,
    caractérisé en ce que
    toutes les couches (4, 5, 6) disposées sur la douille de support (3) se présentent sous la forme d'une couche finie avec chaque fois un joint bout à bout (8.1, 9.1, 16.1), les joints bout à bout (8.1, 9.1, 16.1) étant situés l'un au-dessus de l'autre et remplis de matière compressible (18).
  4. Blanchet selon l'une des revendications 1 à 3,
    caractérisé en ce que
    la matière (18) remplissant le joint bout à bout contient des bulles d'air (10).
  5. Blanchet selon l'une des revendications 1 à 3,
    caractérisé en ce que
    les extrémités de la couche de recouvrement (6) impliquées dans le joint bout à bout (16.1) contiennent des bulles d'air (10) et sont vulcanisées.
  6. Blanchet selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la douille de support (3) est une douille métallique, qui présente un joint bout à bout (7) formé par un cordon de soudure, le joint bout à bout ou les joints bout à bout (8.1, 9.1, 16.1) des couches (4, 5, 6) sur la douille de support (3) étant disposés au-dessus du joint bout à bout (7) de la douille de support (3).
  7. Blanchet selon l'une des revendications précédentes,
    caractérisé en ce que
    le blanchet (2.1) et un cylindre de transfert (1) portant ce dernier comportent des auxiliaires de repérage (3a, 17).
  8. Blanchet selon l'une des revendications 1 à 7, en combinaison avec un cylindre porte-plaques (15),
    caractérisé en ce que
    le joint bout à bout (16.1) dans la couche de recouvrement (6) vient se placer en face du canal de serrage (14) lors du contact de roulement du blanchet (2.1) avec le cylindre porte-plaque (15).
  9. Blanchet selon la revendication 8,
    caractérisé en ce que
    le joint bout à bout (16.1) présente environ la largeur (b) du canal de serrage (14).
  10. Blanchet selon l'une des revendications 1 à 7, en combinaison avec un cylindre porte-plaques (15),
    caractérisé en ce que
    le joint bout à bout (16.2) dans la couche de recouvrement (6) vient se placer en face d'une zone sans impression B de l'image d'impression d'un cliché (19) tendu sur le cylindre porte-plaques (15), lors du contact de roulement du blanchet (2.1) avec le cylindre porte-plaques (15).
EP01112326A 2000-05-23 2001-05-19 Manchon à base de caoutchouc, notamment pour machines rotatives offset Expired - Lifetime EP1157855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10025374A DE10025374A1 (de) 2000-05-23 2000-05-23 Gummizylinderhülse, insbesondere für Offset-Rollenrotationsdruckmaschinen
DE10025374 2000-05-23

Publications (2)

Publication Number Publication Date
EP1157855A1 EP1157855A1 (fr) 2001-11-28
EP1157855B1 true EP1157855B1 (fr) 2007-08-01

Family

ID=7643159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01112326A Expired - Lifetime EP1157855B1 (fr) 2000-05-23 2001-05-19 Manchon à base de caoutchouc, notamment pour machines rotatives offset

Country Status (4)

Country Link
US (1) US6484632B2 (fr)
EP (1) EP1157855B1 (fr)
JP (1) JP3442372B2 (fr)
DE (2) DE10025374A1 (fr)

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Publication number Priority date Publication date Assignee Title
US20110045267A1 (en) * 1999-10-13 2011-02-24 Hatec Produktions- und Handels- gesellschaft mbH Substructure material for a printing device and printer's blanket for the printing of uneven materials to be printed
CA2386902C (fr) * 1999-10-15 2008-12-23 Rotation Dynamics Corporation Blanchet a manchon cousu et son procede de fabrication et d'utilisation
US6899029B2 (en) * 2002-02-14 2005-05-31 Reeves, S.P.A. Multi-layered gapped cylindrical printing blanket
US6851362B2 (en) * 2002-03-22 2005-02-08 Goss International Americas, Inc. Printing cylinder with fanout compensation
DE10228686A1 (de) * 2002-06-27 2004-02-12 Man Roland Druckmaschinen Ag Gummizylinderhülse für Offset-Druckmaschinen
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
US6799511B2 (en) * 2002-12-03 2004-10-05 Day International, Inc. Gapless compressible cylinder assembly
US7115084B2 (en) * 2002-12-13 2006-10-03 Eastman Kodak Company Replaceable fuser member
JP2007501724A (ja) * 2003-06-09 2007-02-01 ゴス インターナショナル コーポレイション 可変長形式オフセット印刷機
DE102004043088A1 (de) * 2004-09-07 2006-03-09 Man Roland Druckmaschinen Ag Sleeve für einen Druckmaschinenzylinder sowie Druckmaschinenzylinder
US7422840B2 (en) * 2004-11-12 2008-09-09 E.I. Du Pont De Nemours And Company Apparatus and process for forming a printing form having a cylindrical support
DE102005013424A1 (de) * 2005-03-21 2006-09-28 Man Roland Druckmaschinen Ag Gummisleeve
DE102006010551A1 (de) * 2006-03-07 2007-09-13 Maschinenfabrik Wifag Entlastungselement
DE102006010878A1 (de) * 2006-03-09 2007-09-20 Man Roland Druckmaschinen Ag Gummisleeve und Verfahren zur Herstellung desselben
DE102007009810A1 (de) * 2007-02-28 2008-09-04 Man Roland Druckmaschinen Ag Übertragungsform für einen Übertragungszylinder einer Druckmaschine
DE102007047172A1 (de) 2007-10-02 2009-04-09 Manroland Ag Gummisleeve
JP5566893B2 (ja) * 2007-10-19 2014-08-06 カーハーエス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 容器外周表面で、瓶等の容器に印刷するための装置
JP2010184806A (ja) * 2009-02-13 2010-08-26 Seiko Epson Corp 搬送ローラー、搬送ユニット、及び印刷装置
JP5402054B2 (ja) * 2009-02-13 2014-01-29 セイコーエプソン株式会社 搬送ローラー、搬送ユニット、及び印刷装置
CN105644135B (zh) * 2016-02-02 2018-01-12 京东方科技集团股份有限公司 转印设备和涂布机

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Also Published As

Publication number Publication date
US6484632B2 (en) 2002-11-26
JP3442372B2 (ja) 2003-09-02
JP2002002145A (ja) 2002-01-08
DE10025374A1 (de) 2001-11-29
DE50112779D1 (de) 2007-09-13
EP1157855A1 (fr) 2001-11-28
US20020002921A1 (en) 2002-01-10

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