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EP1572461B1 - Ensemble blanchet pour cylindre a blanchet et son procede de production - Google Patents

Ensemble blanchet pour cylindre a blanchet et son procede de production Download PDF

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Publication number
EP1572461B1
EP1572461B1 EP03788827A EP03788827A EP1572461B1 EP 1572461 B1 EP1572461 B1 EP 1572461B1 EP 03788827 A EP03788827 A EP 03788827A EP 03788827 A EP03788827 A EP 03788827A EP 1572461 B1 EP1572461 B1 EP 1572461B1
Authority
EP
European Patent Office
Prior art keywords
printing blanket
assembly according
blanket
filling material
printing
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
EP03788827A
Other languages
German (de)
English (en)
Other versions
EP1572461A1 (fr
Inventor
Andreas KÜMMET
Manfred Herrmann Liebler
Martin Heinz Schoeps
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
Priority claimed from DE10307382A external-priority patent/DE10307382A1/de
Priority claimed from DE10354437A external-priority patent/DE10354437A1/de
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1572461A1 publication Critical patent/EP1572461A1/fr
Application granted granted Critical
Publication of EP1572461B1 publication Critical patent/EP1572461B1/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
    • 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
    • B41F27/1293—Devices for filling up the cylinder gap; Devices for removing the filler
    • 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
    • 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
    • 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
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/02—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
    • B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
    • B41N2210/06—Backcoats; Back layers; Bottom layers

Definitions

  • the invention relates to a blanket unit for a blanket cylinder and to a method for producing a blanket unit according to the preamble of claim 1 or 30.
  • Blanket units are mounted in rotary printing presses on the blanket cylinder and are used in offset printing of the transfer of the print image from the forme cylinder to the printing substrate.
  • a support plate for example made of sheet steel or aluminum sheet, is used.
  • a blanket which may be formed, for example, in the manner of a blanket attached.
  • blanket-free leg are provided at the leading end and / or at the trailing end of the carrier plate. These legs can then be introduced, for example, in a slot provided on the blanket cylinder and fixed there.
  • a problem with known blanket units is that the blanket does not seamlessly enclose the carrier plate, but leaves a gap between the leading and trailing ends of the blanket. In the area of this gap no ink can be transferred to the substrate web. At the edges of the blanket towards the gap is also the printed image of poorer quality. From the prior art, therefore, various solutions are known with which the disadvantages caused by the gap between the ends of the blanket can be avoided.
  • a printing blanket unit is known in which the two ends of the printing blanket overlap one another in a form-fitting manner, thereby separating the gap to shrink between the ends of the blanket.
  • a printing blanket unit in which a slider is arranged between the two legs of the carrier plate.
  • the outwardly facing end of the slide is connected to a filler, so that the gap between the ends of the blanket is closed by the filler.
  • a printing blanket unit is known in which the blanket is composed of a plurality of layers.
  • the cover layer covers the end faces of the underlying layers and thus forms a projection by which the gap between the ends is reduced.
  • the US 5,749,298 A discloses a printing blanket unit with a carrier plate whose ends are folded.
  • the printing blanket arranged on the carrier plate is sealed on the front side.
  • the US Pat. No. 4,635,550 discloses a blanket unit having a blanket disposed on a carrier plate. In the channel, a support element is arranged on the support plate, which supports the protruding end of the blanket.
  • the US Pat. No. 2,525,003 A shows an apparatus for producing a printing blanket unit.
  • the US 4,643,093 A discloses a pressure plate with reinforced end and associated apparatus.
  • the invention has for its object to provide a blanket unit for a blanket cylinder and a method for producing a printing blanket unit.
  • An advantage of the printing blanket unit according to the invention is in particular that the leading and / or trailing end of the blanket protrudes with its inside a piece over the fold of the associated leg. This projection reduces the gap between the ends of the blanket. It is quite conceivable that the supernatant is chosen so large that the two ends of the blanket come into contact with each other in the installation position. Due to the fold of the support plate, the protruding ends of the blanket are not supported by the support plate from below, so that without further aids no pressure between the blanket and the printing material in the region of the protruding ends could be established. To solve this problem, it is proposed between the fold of the support plate and the inside of the blanket to arrange a support member for supporting the supernatant.
  • a support member for supporting the supernatant is basically irrelevant.
  • the support elements are firmly bonded to the fold and / or on the inside of the blanket, in particular glued or vulcanized.
  • the support elements can be produced in a particularly simple manner if they are made of the same material as the blanket, for example of rubber, or of the same material as the carrier plate, for example metal. In particular, it is then conceivable to form the support elements in one piece to the blanket or the carrier plate.
  • the support elements are materially connected to a base layer, which is arranged between blanket and carrier plate and in this way the carrier plate, starting from the two folds, continuously wraps around. Due to the undercoat layer, the properties of the printing blanket unit, in particular with regard to the hardness and the concentricity, can additionally be influenced. Rubber or a similar elastomeric material is particularly suitable as material for the production of the undercoat layer.
  • a production cylinder may be available whose shape, in particular its diameter and its fastening devices for fastening the carrier plate, essentially corresponds to the blanket cylinder used later in the printing machine.
  • the uncoated carrier plate is attached to the folded legs and takes in this way a position corresponding to the later position after mounting on the blanket cylinder.
  • the blanket is attached to the support plate, for example, glued or vulcanized that at least one end of the blanket projects a piece over the fold of the associated leg.
  • the supernatant is then in this way on the support material and is supported by the support material from below.
  • the support material is cut before or after the attachment of the blanket to the support plate to form two support elements. This can be done, for example, that the support material is cut with a sharp edge.
  • the two side surfaces formed by the separation process of the opposite Support elements have in this way a shape, so that the support elements after assembly of the blanket unit on the blanket cylinder opposite each other form complementary with a short distance or come to rest.
  • a preferred method variant is used.
  • the usual printing blankets are used, which have a flat shape, for example a rectangular shape, before the printing blanket is attached to the carrier plate.
  • a gap is formed between the mutually facing side surfaces at the opposite ends of the blanket using these flat blankets.
  • This gap is filled with a suitable sealing material, such as a curable. Rubber mass, filled.
  • the sealing material is then severed after sufficient curing.
  • the side surfaces of the opposite ends of the blanket formed by the separation process have a shape such that the ends of the blanket after mounting the blanket unit on the blanket cylinder opposite each other in shape complementary with a short distance or come to rest against each other.
  • the sealing material processed before or after the cutting to form a cylindrical peripheral surface for example, ground, is.
  • the sealing material and support material are cut through at the same time in order to ensure an optimal form fit between the opposite ends of the blanket unit when mounting the blanket unit on the blanket cylinder.
  • Fig. 1 to Fig. 12 shown printing blanket unit whose thickness d01 z. B. 1.6 mm, consists of a dimensionally stable support plate 02; 18; 42, with a thickness d02 of about 0.2 mm to 0.5 mm and one on the support plate 02; 18; 42 attached blanket 03; 19; 43.
  • the support plate 02; 18; 42 is made of metal, for example of a steel sheet or aluminum.
  • the blanket 03; 19; 43 for example, in the manner of a blanket 03; 19; 43, in particular of several layers of different material, be formed.
  • a folding machine In a folding machine are at the leading and the trailing end of the support plate 02; 18; 42 the blanket-free leg 04; 06; 21; 22; 44; Folded down 46 so that the legs 04; 06; 21; 22; 44; 46 can be used later to attach the blanket unit to a blanket cylinder 05.
  • the angled leg 06; 21; 46 at the leading end closes with the at the leg 06; 21; 46 adjoining middle part 07; 35; 47 of the carrier plate 02; 18; 42 an acute opening angle ⁇ 06, in particular from 30 to 60 degrees, preferably from 40 to 50 degrees, a.
  • the middle part 07 runs; 35; 47 of the carrier plate 02; 18; 42, of the blanket 03; 19; 43 is completely covered to the outside.
  • the bends run 08; 09; 27; 28; 48; 49th
  • both the support plate 02 and the blanket 03 are designed approximately flat, so that the blanket 03 can be fixed tension and deformation on the support plate 02.
  • the blanket 03 for example, glued and / or vulcanized.
  • the blanket-free legs 04 and 06 are folded downwards ( Fig. 2 ).
  • the folds 08 and 09 are produced in the bending machine such that the two ends 11 and 12 of the blanket 03 a piece far beyond the folds 08 and 09 survive.
  • the space between the protruding ends 11 and 12 of the blanket 03 on the one hand and the support plate 02 on the other hand is filled by filling compound 13; 14, also referred to as support member 13 and 14, filled.
  • the filling compound 13 and 14 can be produced for example by applying a curable rubber compound.
  • the filling compound 13; 14 deformable during insertion and / or flowable.
  • Fig. 3 a section of the blanket unit is shown in the installed position. It can be seen that the two legs 04 and 06 extend in the installed position opposite each other parallel to each other, so that they can be fastened together in a slot on a pressure cylinder, not shown. Due to the projection of the ends 11 and 12 of the blanket 03, the width of the gap 16 between the ends 11 and 12 of the blanket 03 is minimized. This makes it possible, for example, to minimize the width of the gap 16 to a width of less than 0.5 mm.
  • the distance between the bends 08; 09 substantially corresponds to the distance a01 of the opening on the cylinder surface and is less than 3 mm, in particular it is smaller than 2.0 mm.
  • the distance a02 of the opposite ends 11; 12 of the blanket 03 0.2 mm to 0.8 mm, preferably 0.3 mm to 0.7 mm.
  • the distance a02 is 0.4 mm to 0.6 mm, in particular 0.5 mm.
  • the fold 08 of the leg 04 has a radius R of 0.6 mm to 1.2 mm, in particular of 0.8 mm.
  • the bevel 09 of the leg 06 has a radius R of 0.3 mm to 0.7 mm, in particular of 0.5 mm.
  • the length L13; L14 of the respective support element 13; 14 is in the circumferential direction 0.4 mm to 1.0 mm, in particular 0.1 mm to 1.3 mm. In a preferred embodiment, the length L13; L14 of the support member 13; 14 at 0.7 mm.
  • the filling compound 13; 14 may be formed in different shapes.
  • the filling material 13 z. B. an acute angle, while the filling material 14 is formed at right angles.
  • a third embodiment of a blanket unit is shown.
  • This blanket unit also has a support plate 18 made of sheet steel and a blanket 19 made of rubber.
  • the support plate 18 is first attached with its legs 21 and 22 to a production cylinder, the shape of which corresponds to the blanket cylinder to which the blanket unit is to be fastened in the printing press.
  • a sealing member 23 is inserted into the gap 26 between the legs 21 and 22 to seal the gap 26 down.
  • a liquid elastomer composition is applied to the outside of the support plate 18 such that the support plate 18 is surrounded by a continuous Unterbau Mrs 24.
  • the sub-base layer 24 fills the gap 26 between the opposite folds 27 and 28.
  • the blanket 19 is attached to the base layer 24, for example, vulcanized.
  • the gap 26, which continues between the ends 31 and 32 of the blanket 19, is closed with filling material, here also referred to as sealing material 29, for example, a curable elastomer composition, closed and then ground on the outside to produce a uniform cylindrical outer surface.
  • the sealing material 29 and the subgrade layer 24 are severed along the cutting line 33, so that the printing blanket unit can be removed from the production cylinder and mounted on a blanket cylinder.
  • the base layer 24 By separating the base layer 24 separate support members 34 and 36 are formed, each of which supports the ends 31 and 32 of the blanket 19 from below.
  • the side surfaces of the support elements 34 and 36 formed by the cut along the section line 33 can come into positive engagement with one another.
  • FIGS. 6 to 8 show embodiments of another manufacturing method for a blanket unit similar to that of Fig. 3 .
  • the support plate 42 is now on a base 53 of a device 41 with at least one slider 54; 56, as described below, launched. At least one of the sliders 54; 56 is the main body 53 and / or the other slider 56; 54 mobile. This basic body 53 is adapted in its geometry to the geometry of the carrier plate 42. Both slides 54; 56 of the device 41 are open. The carrier plate 42 is then adjusted to the necessary cylinder circumference or to the necessary Abkantwin means of an adjustment mechanism 57. Both slides 54; 56 are closed. The filling compound 51; 52 is then poured or pressed positively. Depending on the shape of the slider 54; 56 becomes a shallow, d. H.
  • the slider 54; 56 as form 54; 56 for the filling material 51; 52 act.
  • At least one of the filling compounds 51; 52 stands on the virtual extension V42 of the outside of the support plate 42 in the radial direction addition.
  • the filling compound 51; 52 is then pulled flush by a further device 58 or ground.
  • the slides 54; 56 is opened and the blanket unit is vulcanized. This vulcanization can be carried out within the device 41, but also outside the device 41.
  • FIGS. 9 and 10 show a particularly preferred manufacturing method for another blanket unit.
  • This embodiment of a blanket unit makes it possible to close and reinforce a channel of a cylinder.
  • the filling compound 51; 52 extends here at a virtual extension V43 of the outside of the blanket 43 in the longitudinal direction, ie circumferential direction, of the blanket 43.
  • the filling material 51; 52 both over an end 61; 62 and over both ends 61; 62 of the blanket 43 protrude in the longitudinal direction.
  • the filling compound 51; 52 at least partially beyond the virtual extension V43 of the outside of the blanket 43 survive ( 10 and 11 ).
  • This embodiment is achieved by the following manufacturing method.
  • the blanket 43 is applied to the support plate 42. It is irrelevant whether the blanket 43 is already vulcanized or not.
  • the sliders 54; 56 are then closed.
  • the filling compound 51; 52 for closing and reinforcing a channel is now pressed or poured.
  • a corresponding shape of the filling material 51; 52 reached.
  • the filling compound 51; 52 dimensionally processed.
  • the vulcanization process can take place inside or outside the device 41.
  • the two latter production methods thus differ in that in the embodiments according to the FIGS. 6 to 8 the filling material 51; 52 is disposed between the support plate 42 and the blanket 43, wherein the filling material 51; 52 is disposed first on the support plate 42 and then the blanket 43, while in the embodiments according to the FIGS. 9 to 11 the carrier plate 42 is connected to the blanket 43 and then the filling material 51; 52 is filled, wherein a radially arranged outside of the filling material 51; 52 is not occupied by the blanket 43.
  • the blanket unit at least one end with a greater thickness than the lying between the two ends region, so that the outer surface of the blanket unit in the region of this end in the radial direction at least partially beyond the virtual extension V43 the outside of the blanket 43, in particular is wedge-shaped.
  • the end of the filling material 51; 52 arranged at the ends of the blanket 43 is thickened.
  • Fig. 11 a filling of the blanket 43 is shown.
  • This thickened end or both thickened ends are in on the blanket cylinder assembled state in the radial direction via a virtual extension of the subsequent blanket, ie the effective radius of the mounted blanket is greater in the region of the ends.
  • the intervening areas are much larger (at least 10 times) than the area of the ends.
  • the thickening in the circumferential direction preferably extends to less than 10 mm, in particular to less than 5 mm.
  • the filling compound 13; 14; 29; 51; 52 is introduced in the flowable, deformable state, in each case at least one end of the two ends of the blanket unit.
  • the filling compound 13; 14; 29; 51; 52 is in the longitudinal direction at least partially on a fold 08; 09; 27; 28; 48; 49 of the angled leg 04; 06; 21; 22; 44; 46 of the carrier plate 02; 18; Arranged 42 and projects beyond the fold 08; 09; 27; 28; 48; 49 in the circumferential direction addition.
  • the outside of the filling compound 13; 14; 29; 51; 52 are processed dimensionally stable.
  • the filling compound 13; 14; 29; 51; 52 may preferably be integrally formed.
  • the materials of printing blanket 03; 43 and filling material 13; 14; 29; 51; 52 may be the same or different.
  • the length L51; L52 of the filling compound 51; 52 more than 0.1 mm, in particular more than 0.4 mm, but less than 2 mm, in particular less than 5 mm.
  • the filling compound 51; 52 and the support elements 13; 14 at facing away from each other ends of the blanket unit with extended, preferably flat or slightly curved blanket units brought in. (Except embodiment of the Fig. 5 ).
  • a multi-part device 41 may be used, in which at least two parts, for. B. slide 54; 56, are movable relative to each other. It is possible, for. B. for producing thickened ends of the blanket unit, that at least on the filling material 51; 52 adjacent surface in the direction of the outside of the blanket unit at least partially beyond the virtual extension V43 of the outside of the blanket 43 or at least that on the filling material 51; 52 adjoining surface in the direction of the outside of the blanket unit at least partially beyond the virtual extension V42 of the outside of the support plate 42 with not yet mounted on the support plate 42 blanket 43 protrudes.
  • the two part, z. B. slide 54; 56 should be adjustable in length in the longitudinal direction of the blanket unit.
  • At least one surface of one of the two parts is located on the filling material 51; 52 and at least one surface may be on an angled leg 44; 46 of the support plate 42 abut. At least the on the filling material 51; 52 adjacent surface may protrude in the direction of the outside of the printing blanket unit at least partially over the virtual extension V43 of the outside of the blanket 43 or at least that on the filling material 51; 52 adjacent surface in the direction of the outside of the blanket unit at least partially beyond the virtual extension V42 of the outside of the support plate 42 with not yet mounted on the support plate 42 blanket 43 survive.
  • at least one further device 58 for. B. a tool 58, for processing at least the outside of the filling material 51; 52 may be arranged.
  • At least one carrier 53, z. B. the main body 53 may be arranged for receiving the support plate 42, wherein the inside of the support plate 42 rests on this support 53.
  • the carrier 53 may also consist of several parts. At least a part of the carrier 53 cooperates with a leading leg 46 of the support plate 42, another part of the carrier 53 with the trailing leg 44 of the support plate 42 together. Preferably, a part of the carrier 53 is movable relative to the other part of the carrier 53.
  • the device 41 may also have elements for folding the ends of the support plate 42, i. H. be designed as a folding machine.
  • the filling compound 13; 14; 34; 36; 51; 52 is disposed on the blanket unit prior to mounting the blanket unit on the blanket cylinder or can be arranged.
  • the filling masses 13; 14; 34; 36; 51; 52, as support elements 13; 14; 34; 36; 51; 52 denotes, z. B. also serve to support a counter-cylinder in the radial direction, since the blanket cylinder with a counter-cylinder, z. B. a plate or a plate cylinder in contact.
  • the forme cylinder has at least one channel in which the at least one pressure plate is fastened.
  • the filling compound 13; 14; 34; 36; 51; 52 cooperates in this case with a pressure plate of the counter-cylinder by supporting each other.

Landscapes

  • Printing Plates And Materials Therefor (AREA)
  • Rotary Presses (AREA)

Claims (38)

  1. Ensemble de blanchet pour un cylindre de blanchet d'une machine d'impression rotative, avec une plaque support (02 ; 18 ; 42) de forme stable et un blanchet (03 ; 19 ; 43) fixé sur une face extérieure de la plaque support (02 ; 18 ; 42), l'extrémité en avance et l'extrémité en retard de la plaque support (02 ; 18 ; 42) étant susceptibles d'être fixées, avec une branche (04 ; 06 ; 21 ; 22 ; 44 ; 46) exempte de blanchet, repliée, sur le cylindre de blanchet, caractérisé en ce que, aux deux extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43), entre le pli (08 ; 09 ; 27 ; 28 ; 48 ; 49) et la face intérieure du blanchet (03 ; 19 ; 43), est chaque fois disposée une masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) propre, réalisée sous forme d'élément d'appui (13 ; 14 ; 34 ; 36 ; 51 ; 52).
  2. Ensemble de blanchet selon la revendication 1, caractérisé en ce qu'au moins l'extrémité en avance et/ou l'extrémité en retard (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43) dépasse, par sa face intérieure, un peu du pli (08 ; 09 ; 27 ; 28 ; 48 ; 49) de la branche (04 ; 06 ; 21 ; 22 ; 44 ; 46) associée de la plaque support (02 ; 18 ; 42) et la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) est disposée pour permettre l'appui du dépassement.
  3. Ensemble de blanchet selon la revendication 1, caractérisé en ce que, à l'état monté sur le cylindre de blanchet, un rayon (R03) du cylindre, par rapport à la face extérieure du blanchet (03 ; 19 ; 43), dans la zone des extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) de l'ensemble de blanchet, est égal à un rayon (R03), par rapport à la face extérieure du blanchet (03 ; 19 ; 43), dans la zone située entre les deux extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62).
  4. Ensemble de blanchet selon la revendication 1, caractérisé en ce que, à l'état monté sur le cylindre de blanchet, la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) disposée à une extrémité (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43) n'est pas reliée à l'autre extrémité (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43) ou de l'autre masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) disposée à l'autre extrémité (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43).
  5. Ensemble de blanchet selon la revendication 4, caractérisé en ce que, à l'état monté sur le cylindre de blanchet, la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) disposée à une extrémité (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43) n'entre pas en contact avec l'autre extrémité (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43) ou l'autre masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) disposée à l'autre extrémité (11 ; 12 ; 31 ; 32 ; 61 ; 62) du blanchet (03 ; 19 ; 43).
  6. Ensemble de blanchet selon la revendication 1, caractérisé en ce que les faces latérales, dirigées l'une vers l'autre, de deux masses de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) en regard l'une de l'autre, après montage de l'ensemble de blanchet sur le cylindre de blanchet, sont en regard les unes des autres, à faible distance, avec une complémentarité de formes, ou viennent en appui les unes sur les autres.
  7. Ensemble de blanchet selon l'une des revendications 1 ou 6, caractérisé en ce que les faces latérales, dirigées l'une vers l'autre, aux extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) en regard l'une de l'autre du blanchet (03 ; 19 ; 43), après montage de l'ensemble de blanchet sur le cylindre de blanchet, sont en regard les unes des autres, à faible distance (a02), avec une complémentarité de formes, ou viennent en appui les unes sur les autres.
  8. Ensemble de blanchet selon la revendication 7, caractérisé en ce que la distance (a02) d'espacement des extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) en regard l'une de l'autre du blanchet (03 ; 19 ; 43) est de 0,2 mm à 0,8 mm.
  9. Ensemble de blanchet selon la revendication 7, caractérisé en ce que la distance (a02) d'espacement des extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) en regard l'une de l'autre du blanchet (03 ; 19 ; 43) est de 0,3 mm à 0,7 mm.
  10. Ensemble de blanchet selon la revendication 7, caractérisé en ce que la distance (a02) d'espacement des extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) en regard l'une de l'autre du blanchet (03 ; 19 ; 43) est de 0,4 mm à 0,6 mm.
  11. Ensemble de blanchet selon la revendication 7, caractérisé en ce que la distance (a02) d'espacement des extrémités (11 ; 12 ; 31 ; 32 ; 61 ; 62) en regard l'une de l'autre du blanchet (03 ; 19 ; 43) est de 0,5 mm.
  12. Ensemble de blanchet selon la revendication 1, caractérisé en ce que le pli (09 ; 27 ; 49) de la branche (06 ; 21 ; 46) exempte de blanchet, repliée, présente un rayon (R) de 0,3 mm à 0,7 mm.
  13. Ensemble de blanchet selon la revendication 1, caractérisé en ce que le pli (09 ; 27 ; 49) de la branche (06 ; 21 ; 46) exempte de blanchet, repliée, présente un rayon (R) de 0,5 mm.
  14. Ensemble de blanchet selon la revendication 1, caractérisé en ce que le pli (08 ; 28 ; 48) de la branche (04 ; 22 ; 44) exempte de blanchet, repliée, présente un rayon (R) de 0,6 mm à 1,2 mm.
  15. Ensemble de blanchet selon la revendication 1, caractérisé en ce que le pli (08 ; 28 ; 48) de la branche (04 ; 22 ; 44) exempte de blanchet, repliée, présente un rayon (R) de 0,8 mm.
  16. Ensemble de blanchet selon la revendication 6, caractérisé en ce que la longueur (L13 ; L14 ; L51 ; L52) d'une masse de remplissage (13 ; 14 ; 51 ; 52) en direction périphérique est de 0,4 mm à 1 mm.
  17. Ensemble de blanchet selon la revendication 6, caractérisé en ce que la longueur (L13 ; L14 ; L51 ; L52) d'une masse de remplissage (13 ; 14 ; 51 ; 52) en direction périphérique est de 0,1 mm à 1,3 mm.
  18. Ensemble de blanchet selon la revendication 6, caractérisé en ce que la longueur (L13 ; L14 ; L51 ; L52) d'une masse de remplissage (13 ; 14 ; 51 ; 52) en direction périphérique est de 0,7 mm.
  19. Ensemble de blanchet selon la revendication 6, caractérisé en ce que la longueur (L13 ; L14 ; L51 ; L52) d'une masse de remplissage (13 ; 14 ; 51 ; 52) en direction périphérique est de 5 mm.
  20. Ensemble de blanchet selon la revendication 1, caractérisé en ce que, en direction radiale, la masse de remplissage (51 ; 52) dépasse au moins partiellement du prolongement virtuel (V42) de la face extérieure de la plaque support (42).
  21. Ensemble de blanchet selon la revendication 1, caractérisé en ce que l'ensemble de blanchet présente au moins une extrémité d'une épaisseur plus grande que la zone située entre les deux extrémités, en ce que la face extérieure de l'ensemble de blanchet, dans la zone de cette extrémité, en direction radiale, dépasse au moins partiellement du prolongement virtuel (V43) de la face extérieure du blanchet (43).
  22. Ensemble de blanchet selon la revendication 1, caractérisé en ce que la plaque support (02 ; 18 ; 42) est en métal.
  23. Ensemble de blanchet selon la revendication 1, caractérisé en ce que le blanchet (03 ; 19 ; 43) est à plusieurs couches.
  24. Ensemble de blanchet selon la revendication 1, caractérisé en ce que la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) est réalisée d'une seule pièce.
  25. Ensemble de blanchet selon la revendication 1, caractérisé en ce que les matériaux de la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) et du blanchet (03 ; 19 ; 43) sont différents.
  26. Ensemble de blanchet selon la revendication 1, caractérisé en ce que les matériaux de la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) et du blanchet (03 ; 19 ; 43) sont identiques.
  27. Ensemble de blanchet selon la revendication 1, caractérisé en ce que la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) est disposée sur l'ensemble de blanchet, avant le montage de l'ensemble de blanchet sur le cylindre de blanchet.
  28. Procédé de fabrication d'un ensemble de blanchet selon la revendication 1 ou 6, caractérisé en ce que les deux masses de remplissage (34 ; 36) sont fabriquées au moyen d'un procédé de fabrication séparateur, à partir d'une pièce d'oeuvre, en formant les faces latérales dirigées les unes vers les autres.
  29. Procédé de fabrication d'un ensemble de blanchet selon l'une des revendications 1, 6 ou 7, caractérisé en ce que les deux extrémités (31 ; 32) du blanchet (19) sont fabriquées au moyen d'un procédé de fabrication séparateur, à partir d'une pièce d'oeuvre, en formant les faces latérales dirigées les unes vers les autres.
  30. Procédé de fabrication d'un ensemble de blanchet avec une plaque support (02 ; 42) à forme stable et un blanchet (03 ; 43) fixé sur celui-ci, présentant les étapes suivantes :
    - les deux branches (04 ; 06 ; 44), ne présentant aucun blanchet (03 ; 43), de la plaque support (02 ; 42) sont pliées ;
    - ensuite, sur chacune des deux extrémités, entre blanchet (03 ; 43) et plaque support (02 ; 42), une masse de remplissage (13 ; 14 ; 51 ; 52) réalisée sous forme d'élément d'appui (13 ; 14 ; 34 ; 36 ; 51 ; 52) est introduite.
  31. Procédé selon la revendication 30, caractérisé en ce que le blanchet (03 ; 43) est détaché de la plaque support (02 ; 42), avant pliage de la plaque support (02 ; 42).
  32. Procédé selon la revendication 30, caractérisé en ce que le blanchet (03 ; 43) est disposé sur la masse de remplissage (13 ; 14 ; 51 ; 52).
  33. Procédé selon la revendication 30, caractérisé en ce que la plaque support (02 ; 18 ; 42) est en métal.
  34. Procédé selon la revendication 30, caractérisé en ce que le blanchet (03 ; 19 ; 43) est à plusieurs couches.
  35. Procédé selon la revendication 30, caractérisé en ce que la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) est réalisée d'une seule pièce.
  36. Procédé selon la revendication 30, caractérisé en ce que les matériaux de la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) et du blanchet (03 ; 19 ; 43) sont différents.
  37. Procédé selon la revendication 30, caractérisé en ce que les matériaux de la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) et du blanchet (03 ; 19 ; 43) sont identiques.
  38. Procédé selon la revendication 30, caractérisé en ce que la masse de remplissage (13 ; 14 ; 34 ; 36 ; 51 ; 52) est disposée sur l'ensemble de blanchet, avant le montage de l'ensemble de blanchet sur le cylindre de blanchet.
EP03788827A 2002-12-16 2003-11-27 Ensemble blanchet pour cylindre a blanchet et son procede de production Expired - Lifetime EP1572461B1 (fr)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
DE10258975 2002-12-16
DE10258975 2002-12-16
DE10307383 2003-02-21
DE10307382A DE10307382A1 (de) 2002-12-16 2003-02-21 Drucktucheinheit für einen Drucktuchzylinder einer Rotationsdruckmaschine und ein Verfahren zur Herstellung einer Drucktucheinheit für einen Drucktuchzylinder
DE10307382 2003-02-21
DE10307383A DE10307383B4 (de) 2002-12-16 2003-02-21 Verfahren zur Herstellung einer Drucktucheinheit
DE10329270 2003-06-30
DE10329270 2003-06-30
DE10354437A DE10354437A1 (de) 2002-12-16 2003-11-21 Drucktucheinheit für einen Drucktuchzylinder sowie Verfahren zur Herstellung einer Drucktucheinheit
DE10354437 2003-11-21
PCT/DE2003/003942 WO2004054808A1 (fr) 2002-12-16 2003-11-27 Ensemble blanchet pour cylindre a blanchet et son procede de production

Publications (2)

Publication Number Publication Date
EP1572461A1 EP1572461A1 (fr) 2005-09-14
EP1572461B1 true EP1572461B1 (fr) 2009-12-09

Family

ID=32601106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03788827A Expired - Lifetime EP1572461B1 (fr) 2002-12-16 2003-11-27 Ensemble blanchet pour cylindre a blanchet et son procede de production

Country Status (5)

Country Link
US (1) US7412924B2 (fr)
EP (1) EP1572461B1 (fr)
JP (1) JP4309395B2 (fr)
AU (1) AU2003292991A1 (fr)
WO (1) WO2004054808A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007510564A (ja) 2003-11-10 2007-04-26 デイ インターナショナル インコーポレーテッド 印刷ブランケット構成体及びその製造方法
DE102005017229A1 (de) 2005-04-14 2006-10-19 Man Roland Druckmaschinen Ag Farbübertragungseinrichtung einer Druckmaschine
DE102006058667B3 (de) * 2006-12-13 2008-02-07 Koenig & Bauer Aktiengesellschaft Druckzylinder für Rollenoffsetdruckmaschine
JP5148379B2 (ja) * 2008-06-16 2013-02-20 西研グラフィックス株式会社 ブランケットの曲げ加工装置
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
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
JP7100986B2 (ja) * 2018-01-26 2022-07-14 三菱重工機械システム株式会社 ブランケット及びブランケット胴並びに印刷機

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US2525003A (en) * 1947-11-17 1950-10-10 Commercial Lithograph Company Method of making lithograph blankets
US2963969A (en) * 1958-11-13 1960-12-13 Goebel Gmbh Maschf Device for tensioning printing plates particularly steel engraved plates on printing presses
FR1367860A (fr) 1963-08-13 1964-07-24 Crabtree & Sons Ltd R Perfectionnement aux machines à imprimer rotatives
US4452143A (en) * 1980-07-25 1984-06-05 W. R. Grace & Co. Offset printing blanket
US4643093A (en) * 1985-03-01 1987-02-17 Minnesota Mining And Manufacturing Company Double-creased lithoplate and method of mounting on a web press
US4635550A (en) * 1985-03-11 1987-01-13 American Roller Company Gap filler blanket for printing cylinder
DE3540581A1 (de) * 1985-11-15 1987-05-21 Roland Man Druckmasch Druckwerkzylinder mit einem in dessen zylindergrube angeordneten fuellstueck
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
EP0317656B1 (fr) * 1987-11-24 1992-07-08 Celfa AG Cylindre d'unité d'impression comportant une couche de caoutchouc pour l'impression offset, flexographique, en creux, typographique
DE4034767A1 (de) * 1989-12-01 1991-06-06 Heidelberger Druckmasch Ag Druckwerkszylinder fuer rotationsdruckmaschinen
DE9002111U1 (de) * 1990-02-22 1990-04-19 MAN Roland Druckmaschinen AG, 6050 Offenbach Füllstück für den Einsatz in die Grube eines Druckwerkzylinders in einer Rollenrotationsdruckmaschine
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DE4217793C1 (de) * 1992-05-29 1993-12-09 Roland Man Druckmasch Offset-Gummituch und Verfahren zu dessen Herstellung
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Also Published As

Publication number Publication date
US7412924B2 (en) 2008-08-19
JP4309395B2 (ja) 2009-08-05
WO2004054808B1 (fr) 2004-08-19
US20060054038A1 (en) 2006-03-16
WO2004054808A1 (fr) 2004-07-01
EP1572461A1 (fr) 2005-09-14
AU2003292991A1 (en) 2004-07-09
JP2006509667A (ja) 2006-03-23

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