EP0862519B1 - Blanchet en caoutchouc pour presse - Google Patents

Blanchet en caoutchouc pour presse Download PDF

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Publication number
EP0862519B1
EP0862519B1 EP96945728A EP96945728A EP0862519B1 EP 0862519 B1 EP0862519 B1 EP 0862519B1 EP 96945728 A EP96945728 A EP 96945728A EP 96945728 A EP96945728 A EP 96945728A EP 0862519 B1 EP0862519 B1 EP 0862519B1
Authority
EP
European Patent Office
Prior art keywords
blanket
rubber blanket
rubber
slot
spindle
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
EP96945728A
Other languages
German (de)
English (en)
Other versions
EP0862519A2 (fr
Inventor
Helmut Puschnerat
Wolfgang Günter RUCKMANN
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0862519A2 publication Critical patent/EP0862519A2/fr
Application granted granted Critical
Publication of EP0862519B1 publication Critical patent/EP0862519B1/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
    • 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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/909—Resilient layer, e.g. printer's blanket

Definitions

  • the invention relates to a rubber blanket for a Printing machine according to the preamble of claim 1.
  • US-PS 25 25 003 is made of a rubber blanket and an existing blanket unit described.
  • the rubber blanket unit is with two bevelled ends, one at each folded leg of the carrier plate over ends of the Rubber blanket is arranged and that Rubber blanket on the carrier plate in the area of one the leg-bounding edge ends.
  • This folded legs are in a tight, approx. 6.5 mm wide slot introduced. Between opposite Side faces of the two legs become a wedge arranged, with one leg against each Side surface of the slot is pressed.
  • the Blanket unit is thus by means of a wedge executed holding device frictionally in the slot held.
  • a disadvantage of this blanket unit is that the Cleaning the blanket cylinder, e.g. B. by means of a rotating brush, washing liquid between the two Ends of the blanket of the blanket unit penetrates. In Connection with the brush rotation becomes premature Peeling off at least one end of the blanket brought about.
  • the invention is based on the object multi-layer rubber blanket with a dimensionally stable To create carrier plate.
  • the advantages that can be achieved with the invention are, in particular, that even with intensive mechanical and chemical cleaning at the leading end of the blanket, there is no detachment from the blanket carrier or from the further blanket layers. It is only necessary to keep the ends of the carrier on the blanket for the purpose of holding the blanket Insert the blanket cylinder into a slot. As a result, the pressure-free space becomes small. It is also advantageous that a bristle roller cannot reach under the cover layer of the rubber blanket. In addition, no damp and Penetrate detergent liquid from the front face of the rubber blanket.
  • the device according to the invention is in the drawing shown and is described in more detail below.
  • a blanket cylinder 1 of a rotary printing machine is to accommodate blanket units 31 with folded Ends 3, 4 with at least one parallel to it Axis of rotation extending from a lateral surface 6 of the blanket cylinder 1 in its interior 5 extending narrow slot 7 provided.
  • a bent leg 8 is at the leading end 3 longer than a corresponding one in the present example folded leg 9 at the trailing end 4 of the Carrier plate 2.
  • the rubber blanket 32 consists of several Layers as a composite, e.g. B. a top layer 42, one Fabric layer 43, an adhesive layer 44, one Reinforcement layer 45, a compressible layer 46 with closed cavities, a reinforcing layer 47 and another connected to the carrier plate 2 Reinforcement layer 48 (Fig. 2). These layers are 42 to 48 e.g. B. cohesively by gluing or vulcanizing connected with each other.
  • At least the cover layer 42 of the rubber blanket 32 protrudes beyond the layers 43 to 48 underneath and is laid around them, so that their underside rests against end faces 43a to 48a of the remaining rubber blanket layers 43 to 48 and is firmly attached to them; e.g. B. by gluing or vulcanizing.
  • the end faces 43a to 48a of at least one end, in particular the leading end of the rubber blanket 32, are thus sealed. It is also possible to seal the second end 4 of the rubber blanket 32 in this way.
  • sealing also takes place in that the cover layer 42 of the blanket is bent and only the End face 42a of the top layer 42 with the carrier plate 2 is cohesively connected.
  • the end faces 43a to which are covered by the cover layer 42 48a and the layers 43 to 48 below it at the height of the layers 43, 44 of the leading end 3 of the rubber blanket 32 as an axially parallel Direction of the blanket cylinder 1 extending overhanging projection 49 may be formed.
  • This Projection 49 acts on the trailing one End 4 of the blanket 32 at the level of layers 44 to 48 also extending in the axis-parallel direction Sloping 51 together.
  • the projection 49 or the slope 51 are formed in that the layers 43 to 48 to Support plate 2 are stepped shorter (projection 49) or the layers 48 to 44 from the carrier plate 2 become shorter on the outside (slope 51).
  • top layer 42 it is also possible, in addition to the top layer 42, one form further layer 43 longer and these layers 42, 43 over the end faces 44a to 48a or below existing locations and in the top to fix described way.
  • the blanket 32 is in this way on the carrier plate 2 attached that the two legs 8, 9 of the carrier plate 2 at the folded ends 3, 4 of the rubber blanket unit 31 are free of the rubber blanket 32 and therefore only the two Legs 8, 9 of the carrier plate 2 protrude into the slot 7.
  • the slot 7 is preferably rectangular in cross section.
  • a bore 12 running parallel to the slot 7 is made in the blanket cylinder 1.
  • the slot 7 tangent to the bore 12 in the form of a chord, so that the bore 12 is connected to the slot 7.
  • This spindle 16 is provided in the axial direction with a plurality of pressure pieces 17 acting radially outwards.
  • the pressure pieces 17 are fastened in the spindle 16 in such a way that their pressure cams 18 can act resiliently beyond a lateral surface 19 of the spindle 16.
  • the pressure cams 18 are provided with a ball cap at their outer end, but configurations in the form of cylindrical segments are also possible, so that, for example, a linear contact zone results for each pressure cam 18.
  • the operation of the device according to the invention is as follows: In an insertion position of the spindle 16, the reduced lateral surface 22 of the spindle 16 is in the area of the slot 7. In this position, the two bent legs 8, 9 of the carrier plate 2 of the ends 3, 4 of the rubber blanket unit 31 are guided into the slot 7, whereby the reduced lateral surface 22 serves as a guide.
  • the folded ends 3, 4 of the rubber blanket unit 31 are adapted to the angle of inclination alpha of the slot 7.
  • the legs 8, 9 of the carrier plate 2 of the rubber blanket unit 31 which do not have a rubber blanket 32 bear directly against one another with their side surfaces 33, 34 facing one another.
  • the rubber blanket 32 is pulled a little around the bevel 36 at the leading end 3, but without abutting the leg 9 of the carrier plate 2 of the trailing end 4.
  • the spindle 16 is rotated counterclockwise until the pressure pieces 17 are approximately perpendicular to the legs 8, 9 of the carrier plate 2.
  • the pressure cams 18 of the pressure pieces 17 are pressed against the legs 8, 9 of the carrier plate 2 by means of spring force which is supported on the spindle 16.
  • the legs 8, 9 of the carrier plate 2 are clamped in the slot 7 of the blanket cylinder 1 between the side surface 14 of the slot 7 and the pressure cam 18 (FIG. 2), with which the ends 3, 4 of the blanket unit 31 are securely fastened on the blanket cylinder 1 .
  • the spring force and spring travel are dimensioned such that a secure clamping takes place.
  • the lifters 27 spring back outside in their extended position so that the lifters 27 are tangential to the spindle 16 and extend in the slot 7.
  • the spindle 16 is rotated until the ends 28 of the lifters 27 are just below the outer surface 6 of the blanket cylinder 1.
  • the trailing end 4 of the blanket unit 31 is completely removed from the slot 7 by means of the lifter 27 and can spring away from the outer surface 6 of the blanket cylinder 1 due to the internal tension of the blanket unit 31.
  • Compression spring 17 can also for example arranged in the circumferential direction, Prestressed leaf springs that over the lateral surface 19 protrude the spindle 16, be arranged.

Landscapes

  • Printing Plates And Materials Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (4)

  1. Ensemble de blanchet (31) avec une plaque support (2) et un blanchet (32) à plusieurs couches, pour un cylindre porte-blanchet (1) d'une machine à imprimer, le blanchet (32) étant relié à sa face inférieure, par une liaison faisant intervenir la matière, à la plaque support (2) à forme stable, et au moins une extrémité (8, 9) de la plaque support (2) sortant chaque fois d'une face frontale avant (42a à 48a) ouverte du blanchet (32), caractérisé en ce que la face frontale (42a à 48a), constituée par des faces frontales avant (43a à 48a) d'autres couches (43 à 48) se trouvant sous une couche de couverture (42), du blanchet (32) et, un élément de transition entre le blanchet (32) et la plaque support (2) d'au moins une extrémité (3) du blanchet (32) sont scellées.
  2. Ensemble de blanchet (31) selon la revendication 1, caractérisé en ce que la couche de couverture (42) du blanchet (32) est fixée, par une liaison faisant intervenir la matière, rabattue sur les faces frontales (43a à 48a) des couches (43 à 48) restantes du blanchet (32).
  3. Ensemble de blanchet (31) selon la revendication 2, caractérisé en ce que, en plus, la face frontale (42a) d'au moins la couche de couverture (42) est reliée à la plaque support (2), par une liaison faisant intervenir la matière.
  4. Ensemble de blanchet (31) selon les revendications 1 à 3, caractérisé en ce que les extrémités (8, 9), partant des faces frontales (43a à 48a) des extrémités (3, 4) du blanchet (32), de la plaque support (2) sont repliées.
EP96945728A 1995-11-23 1996-11-16 Blanchet en caoutchouc pour presse Expired - Lifetime EP0862519B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19543584A DE19543584C1 (de) 1995-11-23 1995-11-23 Gummituch für eine Druckmaschine
DE19543584 1995-11-23
PCT/DE1996/002185 WO1997018954A2 (fr) 1995-11-23 1996-11-16 Blanchet en caoutchouc pour presse

Publications (2)

Publication Number Publication Date
EP0862519A2 EP0862519A2 (fr) 1998-09-09
EP0862519B1 true EP0862519B1 (fr) 2000-09-20

Family

ID=7778153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96945728A Expired - Lifetime EP0862519B1 (fr) 1995-11-23 1996-11-16 Blanchet en caoutchouc pour presse

Country Status (7)

Country Link
US (1) US5934194A (fr)
EP (1) EP0862519B1 (fr)
JP (1) JP3034610B2 (fr)
CN (1) CN1077049C (fr)
DE (2) DE19543584C1 (fr)
HK (1) HK1016939A1 (fr)
WO (1) WO1997018954A2 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749298A (en) * 1997-06-10 1998-05-12 Reeves Brothers, Inc. Arrangement for securing a printing blanket to a cylinder
US6073558A (en) * 1998-07-20 2000-06-13 Heidelberger Druckmaschinen Ag Printing press having blanket cylinder with filler bar and blanket
DE50015753D1 (de) * 1999-12-02 2009-11-12 Koenig & Bauer Ag Druckwerke einer Rotationsdruckmaschine
CN1205054C (zh) 2000-03-21 2005-06-08 白昼国际有限公司 具有不可延伸衬垫的柔性图像转移像皮布
WO2002045962A1 (fr) * 2000-12-05 2002-06-13 Man Roland Druckmaschinen Ag Dispositif de vernissage pour rotative a imprimer
DE10237205B4 (de) * 2002-04-18 2009-02-12 Koenig & Bauer Aktiengesellschaft Aufzug auf einer Walze, Anordnungen der Walze zu einer zweiten Walze sowie Druckwerke einer Druckmaschine mit der Walze
DE10222225A1 (de) 2002-05-16 2003-12-04 Heidelberger Druckmasch Ag Zylinderaufzug und Verfahren zum Befestigen eines Zylinderaufzugs in einer Druckmaschine
DE10307383B4 (de) * 2002-12-16 2010-02-18 Koenig & Bauer Aktiengesellschaft Verfahren zur Herstellung einer Drucktucheinheit
JP4298702B2 (ja) 2002-12-16 2009-07-22 ケーニッヒ ウント バウエル アクチエンゲゼルシャフト 印刷機における印刷ブランケットシリンダのための印刷ブランケット装置および印刷ブランケット装置の製造方法
WO2004054809A1 (fr) 2002-12-16 2004-07-01 Contitech Elastomer-Beschichtungen Gmbh Ensemble blanchet et son procede de production
US7412924B2 (en) 2002-12-16 2008-08-19 Koenig & Bauer Aktiengesellschaft Printing blanket assembly for a blanket cylinder including filler material at blanket ends
WO2005047011A1 (fr) * 2003-11-10 2005-05-26 Day International, Inc. Structure de blanchet d'impression et procede de fabrication dudit blanchet
DE10354435B4 (de) * 2003-11-21 2010-02-04 Koenig & Bauer Aktiengesellschaft Vorrichtungen zur Herstellung einer Drucktucheinheit eines Drucktuchzylinders einer Druckmaschine
DE10360012A1 (de) * 2003-12-19 2005-07-28 Man Roland Druckmaschinen Ag Gummituchplatte zum Aufspannen auf einen Zylinder
DE10360015A1 (de) 2003-12-19 2005-07-28 Man Roland Druckmaschinen Ag Drucktuch mit einer starren elastischen Trägerplatte
DE10360014A1 (de) * 2003-12-19 2005-07-21 Man Roland Druckmaschinen Ag Gummituch mit einer Metall-oder Kunststoffträgerplatte
DE102004021498A1 (de) 2004-04-30 2005-11-24 Man Roland Druckmaschinen Ag Übertragungstuch, insbesondere Gummituch, für eine Druckmaschine
US8783178B2 (en) 2005-11-09 2014-07-22 Day International, Inc. Printing blanket including a non-extensible backing layer and a relief area which may be mounted in a variety of lockup mechanisms
EP2253471A1 (fr) * 2009-05-18 2010-11-24 Müller Martini Holding AG Cylindre de pression doté d'un tissu en caoutchouc pour une presse rotative offset à rouleaux

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525003A (en) * 1947-11-17 1950-10-10 Commercial Lithograph Company Method of making lithograph blankets
US4643093A (en) * 1985-03-01 1987-02-17 Minnesota Mining And Manufacturing Company Double-creased lithoplate and method of mounting on a web press
AU7225187A (en) * 1986-05-01 1987-11-05 Minnesota Mining And Manufacturing Company Method and underpacking for mounting printing plates on a rotary printing press
US5103729A (en) * 1990-09-21 1992-04-14 Matthews International Inc. Apparatus for securing a printing plate to a printing plate cylinder and a printing plate composite utilizing such apparatus
US5188031A (en) * 1991-06-27 1993-02-23 Rockwell International Corporation Printing press blanket cylinder assembly, subassemblies and method of using same
US5357863A (en) * 1991-11-15 1994-10-25 Day International, Inc. Printing blanket for use with a printing cylinder to achieve a narrow gap lock-up
CN1056808C (zh) * 1992-10-20 2000-09-27 株式会社明治橡胶化成 糙化胶印机印刷用毡的方法及装置
CN1056816C (zh) * 1992-10-20 2000-09-27 株式会社明治橡胶化成 缠绕胶印橡皮布的方法和装置
DE4320464C2 (de) * 1993-06-21 1997-03-20 Roland Man Druckmasch Übertragungszylinder für Rotationsdruckmaschinen
IT1282385B1 (it) * 1995-05-05 1998-03-20 Koenig & Bauer Albert Ag Dispositivo per fissaggio di una unita' di tessuto gommato su un cilindro di una macchina da stampa rotativa
DE29507523U1 (de) * 1995-05-05 1995-07-06 Albert-Frankenthal Ag, 67227 Frankenthal Vorrichtung zum Befestigen einer Gummitucheinheit auf einem Gummizylinder
DE19521645C2 (de) * 1995-06-14 1998-07-09 Koenig & Bauer Albert Ag Einrichtung für eine schlitzförmige Haltevorrichtung
US5749298A (en) * 1997-06-10 1998-05-12 Reeves Brothers, Inc. Arrangement for securing a printing blanket to a cylinder

Also Published As

Publication number Publication date
CN1202857A (zh) 1998-12-23
WO1997018954A2 (fr) 1997-05-29
US5934194A (en) 1999-08-10
WO1997018954A3 (fr) 1997-07-31
DE19543584C1 (de) 1997-07-24
JPH11501591A (ja) 1999-02-09
EP0862519A2 (fr) 1998-09-09
CN1077049C (zh) 2002-01-02
DE59605927D1 (de) 2000-10-26
HK1016939A1 (en) 1999-11-12
JP3034610B2 (ja) 2000-04-17

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