EP1572460B1 - Printing blanket assembly for a blanket cylinder - Google Patents
Printing blanket assembly for a blanket cylinder Download PDFInfo
- Publication number
- EP1572460B1 EP1572460B1 EP03788826A EP03788826A EP1572460B1 EP 1572460 B1 EP1572460 B1 EP 1572460B1 EP 03788826 A EP03788826 A EP 03788826A EP 03788826 A EP03788826 A EP 03788826A EP 1572460 B1 EP1572460 B1 EP 1572460B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing blanket
- blanket
- unit according
- filler
- 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
Links
- 238000007639 printing Methods 0.000 title claims description 75
- 239000000463 material Substances 0.000 claims description 31
- 239000000945 filler Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 description 30
- 238000004519 manufacturing process Methods 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 14
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 description 11
- VIJSPAIQWVPKQZ-BLECARSGSA-N (2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-acetamido-5-(diaminomethylideneamino)pentanoyl]amino]-4-methylpentanoyl]amino]-4,4-dimethylpentanoyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid Chemical compound NC(=N)NCCC[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)(C)C)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(C)=O VIJSPAIQWVPKQZ-BLECARSGSA-N 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 6
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- 229910000831 Steel Inorganic materials 0.000 description 3
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- 230000009969 flowable effect Effects 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- ABJSOROVZZKJGI-OCYUSGCXSA-N (1r,2r,4r)-2-(4-bromophenyl)-n-[(4-chlorophenyl)-(2-fluoropyridin-4-yl)methyl]-4-morpholin-4-ylcyclohexane-1-carboxamide Chemical compound C1=NC(F)=CC(C(NC(=O)[C@H]2[C@@H](C[C@@H](CC2)N2CCOCC2)C=2C=CC(Br)=CC=2)C=2C=CC(Cl)=CC=2)=C1 ABJSOROVZZKJGI-OCYUSGCXSA-N 0.000 description 1
- IUSARDYWEPUTPN-OZBXUNDUSA-N (2r)-n-[(2s,3r)-4-[[(4s)-6-(2,2-dimethylpropyl)spiro[3,4-dihydropyrano[2,3-b]pyridine-2,1'-cyclobutane]-4-yl]amino]-3-hydroxy-1-[3-(1,3-thiazol-2-yl)phenyl]butan-2-yl]-2-methoxypropanamide Chemical compound C([C@H](NC(=O)[C@@H](C)OC)[C@H](O)CN[C@@H]1C2=CC(CC(C)(C)C)=CN=C2OC2(CCC2)C1)C(C=1)=CC=CC=1C1=NC=CS1 IUSARDYWEPUTPN-OZBXUNDUSA-N 0.000 description 1
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- 229940125807 compound 37 Drugs 0.000 description 1
- 229940126545 compound 53 Drugs 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- FDBYIYFVSAHJLY-UHFFFAOYSA-N resmetirom Chemical compound N1C(=O)C(C(C)C)=CC(OC=2C(=CC(=CC=2Cl)N2C(NC(=O)C(C#N)=N2)=O)Cl)=N1 FDBYIYFVSAHJLY-UHFFFAOYSA-N 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Classifications
-
- 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
- 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
- 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 of a blanket cylinder of a printing press according to the preamble of claim 1.
- 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 of a blanket cylinder of a printing press.
- An advantage of the blanket unit according to the invention is in particular that by this blanket unit, in which a filling compound is arranged on the outside of the blanket in the longitudinal direction of the blanket, the gap between the ends of the blanket is minimized. It is quite conceivable that the supernatant of the filling compound is chosen so large that the two ends of the blanket come into contact with each other in the installed position.
- the filling compounds also referred to as supporting elements, serve to support a counter-cylinder, in particular a forme cylinder or a plate cylinder in the radial direction.
- the filling compound is firmly bonded to the fold and / or on the front side of the blanket, in particular glued or vulcanized.
- the filling compound can be produced in a particularly simple manner if they are produced from the same material as the printing blanket, for example made of rubber or a similar elastomer material, or from the same material as the carrier plate, for example metal. In particular, it is then conceivable to form the filling material in one piece to the blanket or the carrier plate.
- the method is carried out in a device outside the printing press, in which at least the support plate is arranged with already applied blanket.
- the flowable filling compound is introduced into a form of the device where it is applied to the ends of the carrier plate, on which at least one leg is already angled.
- the filling compound settles around the bends of the legs and is characterized by in the Device attached slider shaped. Subsequently, the filling material is processed dimensionally stable.
- the printing blanket unit has at least one end with a greater thickness than the region lying between the two ends, so that the outer surface of the blanket unit in the region of this end protrudes in the radial direction at least partially beyond the virtual extension of the outer side of the blanket.
- 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 on the leg 06; 21; 46 subsequent support plate 02; 18; 42 an acute opening angle ⁇ 06, in particular from 30 to 60 degrees, preferably from 40 to 50 degrees, a.
- the angular size is 120 to 150 degrees.
- 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.
- These too Blanket unit comprises 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 .
- At least one end of 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.
- the slider 54; 56 is a flat, ie flush with the support plate 42, or achieved a raised base, wherein the slide 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 carrier 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 the mounted on the blanket cylinder state in the radial direction via a virtual extension of the following blanket, ie the effective radius of the mounted blanket is larger at 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 blanket unit has the increased radius R11; R12 in the circumferential direction less than 10 mm, in particular 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 or the Support elements 13; 14 introduced at facing away from each other ends of the blanket unit with extended, preferably flat or slightly curved blanket units. (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.
- the carrier 53 may also consist of several parts. At least 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 carrier plate has only a folded leg.
- the filling compound can be arranged in these cases on the fold of the leg and at the other, not beveled end of the support plate.
- the second end of the blanket unit is then arranged in no channel, but only on the outer surface of the bale of the blanket cylinder.
- 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 with a pressure plate of the counter-cylinder by supporting each other.
Landscapes
- Printing Plates And Materials Therefor (AREA)
Description
Die Erfindung betrifft eine Drucktucheinheit eines Drucktuchzylinders einer Druckmaschine gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a blanket unit of a blanket cylinder of a printing press according to the preamble of claim 1.
Drucktucheinheiten werden in Rotationsdruckmaschinen am Drucktuchzylinder befestigt und dienen beim Offsetdruck der Übertragung des Druckbilds vom Formzylinder auf die Bedruckstoffbahn. Um der Drucktucheinheit die erforderliche mechanische Festigkeit zu verleihen, wird eine Trägerplatte, beispielsweise aus Stahlblech oder Aluminiumblech, eingesetzt. Auf der Außenseite der Trägerplatte wird ein Drucktuch, das beispielsweise in der Art eines Gummituchs ausgebildet sein kann, befestigt. Zur Fixierung der Drucktucheinheit am Drucktuchzylinder sind am vorlaufenden Ende und/oder am nachlaufenden Ende der Trägerplatte abgekantete, drucktuchfreie Schenkel vorgesehen. Diese Schenkel können dann beispielsweise in einen am Drucktuchzylinder vorgesehenen Schlitz eingeführt und dort festgelegt werden.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. In order to give the blanket unit the required mechanical strength, a support plate, for example made of sheet steel or aluminum sheet, is used. On the outside of the support plate, a blanket, which may be formed, for example, in the manner of a blanket attached. To fix the blanket unit on the blanket cylinder bent, 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.
Ein Problem bei bekannten Drucktucheinheiten ist es, dass das Drucktuch die Trägerplatte nicht nahtlos umschließt, sondern zwischen dem vorlaufenden und dem nachlaufenden Ende des Drucktuchs ein Spalt verbleibt. Im Bereich diese Spalts kann keine Druckfarbe auf die Bedruckstoffbahn übertragen werden. An den Rändern des Drucktuchs zum Spalt hin ist zudem das Druckbild von schlechterer Qualität. Aus dem Stand der Technik sind deshalb verschiedene Lösungen bekannt, mit denen die durch den Spalt zwischen den Enden des Drucktuches hervorgerufenen Nachteile vermieden werden können.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.
Aus der
Aus der
Aus der
Die
Die
Die
Die
Der Erfindung liegt die Aufgabe zugrunde, eine Drucktucheinheit eines Drucktuchzylinders einer Druckmaschine zu schaffen.The invention has for its object to provide a blanket unit of a blanket cylinder of a printing press.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.
Ein Vorteil der erfindungsgemäßen Drucktucheinheit liegt insbesondere darin, dass durch diese Drucktucheinheit, bei der eine Füllmasse an der Außenseite des Drucktuches in Längsrichtung des Drucktuches angeordnet ist, der Spalt zwischen den Enden des Drucktuches minimiert wird. Dabei ist es durchaus denkbar, dass der Überstand der Füllmasse so groß gewählt wird, dass die beiden Enden des Drucktuchs in der Einbauposition aneinander zur Anlage kommen.An advantage of the blanket unit according to the invention is in particular that by this blanket unit, in which a filling compound is arranged on the outside of the blanket in the longitudinal direction of the blanket, the gap between the ends of the blanket is minimized. It is quite conceivable that the supernatant of the filling compound is chosen so large that the two ends of the blanket come into contact with each other in the installed position.
Die Füllmassen, auch als Stützelemente bezeichnet, dienen zur Abstützung eines Gegenzylinders, insbesondere eines Formzylinders oder eines Plattenzylinders in radialer Richtung.The filling compounds, also referred to as supporting elements, serve to support a counter-cylinder, in particular a forme cylinder or a plate cylinder in the radial direction.
Für die Befestigung der Füllmasse an der Drucktucheinheit sind vielfältige Befestigungslösungen denkbar. Nach einer bevorzugten Ausführungsform ist die Füllmasse an der Abkantung und/oder an der Stirnseite des Drucktuchs stoffschlüssig befestigt, insbesondere festgeklebt oder anvulkanisiert.For the attachment of the filling compound to the blanket unit diverse fastening solutions are conceivable. According to a preferred embodiment, the filling compound is firmly bonded to the fold and / or on the front side of the blanket, in particular glued or vulcanized.
Besonders einfach lässt sich die Füllmasse herstellen, wenn sie aus dem gleichen Material wie das Drucktuch, beispielsweise aus Gummi oder einem ähnlichen Elastomermaterial, oder aus dem gleichen Material wie die Trägerplatte, beispielsweise Metall, hergestellt sind. Insbesondere ist es dann denkbar, die Füllmasse einstückig an das Drucktuch oder die Trägerplatte anzuformen.The filling compound can be produced in a particularly simple manner if they are produced from the same material as the printing blanket, for example made of rubber or a similar elastomer material, or from the same material as the carrier plate, for example metal. In particular, it is then conceivable to form the filling material in one piece to the blanket or the carrier plate.
Durch den Einsatz dieses Fertigungsverfahrens lassen sich in einfacher Weise Drucktucheinheiten herstellen, die nur einen minimalen Spalt aufweisen.By using this manufacturing method can be produced in a simple manner blanket units that have only a minimum gap.
Die Durchführung des Verfahrens erfolgt in einer Vorrichtung außerhalb der Druckmaschine, in der wenigstens die Trägerplatte mit bereits aufgebrachtem Drucktuch angeordnet ist. Die fließfähige Füllmasse wird in eine Form der Vorrichtung eingebracht, wo sie auf die Enden der Trägerplatte, an der mindestens ein Schenkel bereits abgewinkelt ist, aufgebracht wird.The method is carried out in a device outside the printing press, in which at least the support plate is arranged with already applied blanket. The flowable filling compound is introduced into a form of the device where it is applied to the ends of the carrier plate, on which at least one leg is already angled.
Die Füllmasse legt sich um die Abkantungen der Schenkel und wird durch die in der Vorrichtung angebrachten Schieber geformt. Anschließend wird die Füllmasse maßhaltig bearbeitet.The filling compound settles around the bends of the legs and is characterized by in the Device attached slider shaped. Subsequently, the filling material is processed dimensionally stable.
In einem alternativen Verfahren wird auf die mindestens ein abgewinkeltes Ende aufweisende Trägerplatte mit bereits aufgebrachtem Drucktuch im Bereich der Abkantung Füllnasse auf die Trägerplatte aufgebracht und mit einer Stirnseite des Endes des Drucktuches verbunden.In an alternative method is applied to the at least one angled end having carrier plate with already applied blanket in the region of the edge Füllnasse on the support plate and connected to an end face of the end of the blanket.
In einer anderen Ausführungsform weist die Drucktucheinheit mindestens ein Ende mit einer größeren Dicke als dem zwischen den beiden Enden liegenden Bereich auf, so dass die Außenfläche der Drucktucheinheit im Bereich dieses Endes in radialer Richtung zumindest teilweise über die virtuelle Verlängerung der Außenseite des Drucktuches übersteht.In another embodiment, the printing blanket unit has at least one end with a greater thickness than the region lying between the two ends, so that the outer surface of the blanket unit in the region of this end protrudes in the radial direction at least partially beyond the virtual extension of the outer side of the blanket.
Ausführungsformen der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden beschrieben.Embodiments of the invention are illustrated in the drawings and will be described below.
Es zeigen:
- Fig. 1
- eine erste Ausführungsform einer Drucktucheinheit in einer ersten Fertigungsphase;
- Fig. 2
- die Drucktucheinheit gemäß
Fig. 1 in einer zweiten Fertigungsphase; - Fig. 3
- die Drucktucheinheit gemäß
Fig. 1 und Fig. 2 in einer dritten Fertigungsphase; - Fig. 4
- eine zweite Ausführungsform einer Drucktucheinheit;
- Fig. 5
- eine dritte Ausführungsform einer Drucktucheinheit in einem Teilquerschnitt;
- Fig. 6 und 7
- Ausführungsbeispiele für ein Herstellungsverfahren einer Drucktucheinheit;
- Fig. 8
- ein Ausführungsbeispiel der Drucktucheinheit gemäß
Fig. 7 mit verdickten Enden; - Fig. 9 bis 11
- Ausführungsbeispiele für ein weiteres Herstellungsverfahren einer Drucktucheinheit;
- Fig. 12
- ein Ausführungsbeispiel der Drucktucheinheit gemäß
Fig. 3 mit verdickten Enden.
- Fig. 1
- a first embodiment of a blanket unit in a first manufacturing phase;
- Fig. 2
- the blanket unit according to
Fig. 1 in a second production phase; - Fig. 3
- the blanket unit according to
Fig. 1 and Fig. 2 in a third production phase; - Fig. 4
- a second embodiment of a blanket unit;
- Fig. 5
- a third embodiment of a blanket unit in a partial cross-section;
- 6 and 7
- Embodiments of a manufacturing method of a blanket unit;
- Fig. 8
- an embodiment of the blanket unit according to
Fig. 7 with thickened ends; - Fig. 9 to 11
- Exemplary embodiments of a further production method of a blanket unit;
- Fig. 12
- an embodiment of the blanket unit according to
Fig. 3 with thickened ends.
Die in
In einer Abkantmaschine werden am vorlaufenden und am nachlaufenden Ende der Trägerplatte 02; 18; 42 die drucktuchfreien Schenkel 04; 06; 21; 22; 44; 46 nach unten abgekantet, so dass die Schenkel 04; 06; 21; 22; 44; 46 später zur Befestigung der Drucktucheinheit an einem Drucktuchzylinder 05 verwendet werden können. Der abgewinkelte Schenkel 06; 21; 46 am vorlaufenden Ende schließt mit der sich an den Schenkel 06; 21; 46 anschließenden Trägerplatte 02; 18; 42 einen spitzen Öffnungswinkel α06, insbesondere von 30 bis 60 Grad, vorzugsweise von 40 bis 50 Grad, ein. Der abgewinkelte Schenkel 04; 22; 44 am nachlaufenden Ende weist mit dem sich daran anschließenden Mittelteil 07; 35; 47 der Trägerplatte 02; 18; 42 einen Öffnungswinkel α04 von 45 bis 150 Grad, insbesondere von 80 bis 100 Grad, auf. In einer bevorzugten Ausführungsform beträgt die Winkelgröße 120 bis 150 Grad. Zwischen den Schenkeln 04, 06; 21; 22; 44; 46 verläuft der Mittelteil 07; 35; 47 der Trägerplatte 02; 18; 42, der vom Drucktuch 03; 19; 43 vollständig nach außen hin abgedeckt ist. Am Übergang zwischen dem Mittelteil 07; 35; 47 einerseits und den Schenkeln 04; 22; 44 bzw. 06; 21; 46 andererseits verlaufen die Abkantungen 08; 09; 27; 28; 48; 49.In a folding machine are at the leading and the trailing end of the
In der in
Anschließend werden in einer Abkantmaschine die drucktuchfreien Schenkel 04 und 06 nach unten abgekantet (
Die Abkantungen 08 und 09 werden in der Abkantmaschine derart hergestellt, dass die beiden Enden 11 und 12 des Drucktuchs 03 ein stückweit über die Abkantungen 08 und 09 überstehen. Der Zwischenraum zwischen den überstehenden Enden 11 und 12 des Drucktuches 03 einerseits und der Trägerplatte 02 andererseits wird durch Füllmasse 13; 14, auch als Stützelement 13 und 14 bezeichnet, aufgefüllt. Die Füllmasse 13 und 14 kann beispielsweise durch Aufbringung einer härtbaren Gummimasse hergestellt werden.The
Vorzugsweise ist die Füllmasse 13; 14 beim Einbringen verformbar und/oder fliessfähig.Preferably, the filling
In
Der Abstand der Abkantungen 08; 09 entspricht im wesentlichen dem Abstand a01 der Öffnung auf der Zylinderoberfläche und beträgt weniger als 3 mm, insbesondere ist er kleiner als 2,0 mm.The distance between the
Aufgrund der Abstützung der überstehenden Enden 11 und 12 durch die Füllmasse 13 und 14 wird eine ausreichende Druckübertragung vom Drucktuch 03 auf eine Bedruckstoffbahn in diesem Bereich erreicht.Due to the support of the protruding ends 11 and 12 by the filling
Wie in
Die Abkantung 08 des Schenkels 04 weist einen Radius R von 0,6 mm bis 1,2 mm, insbesondere von 0,8 mm, auf.The
Die Abkantung 09 des Schenkels 06 weist hingegen einen Radius R von 0,3 mm bis 0,7 mm, insbesondere von 0,5 mm, auf.The
Die Länge L13; L14 des jeweiligen Stützelements 13; 14 beträgt in Umfangsrichtung 0,4 mm bis 1,0 mm, insbesondere 0,1 mm bis 1,3 mm. In einer bevorzugten Ausführung liegt die Länge L13; L14 des Stützelements 13; 14 bei 0,7 mm.The length L13; L14 of the
Wie in
Die für die
In
Anschließend wird auf der Unterbauschicht 24 das Drucktuch 19 befestigt, beispielsweise aufvulkanisiert. Der Spalt 26, der sich zwischen den Enden 31 und 32 des Drucktuchs 19 fortsetzt, wird mit Füllmaterial, hier auch als Siegelmaterial 29 bezeichnet, beispielsweise einer härtbaren Elastomermasse, verschlossen und anschließend an der Außenseite zur Herstellung einer gleichmäßig zylindrischen Außenfläche überschliffen.Subsequently, the
Zum Schluss wird das Siegelmaterial 29 und die Unterbauschicht 24 entlang der Schnittlinie 33 durchtrennt, so dass die Drucktucheinheit vom Fertigungszylinder abgenommen und an einem Drucktuchzylinder montiert werden kann. Durch die Trennung der Unterbauschicht 24 werden getrennte Stützelemente 34 und 36 gebildet, die jeweils die Enden 31 und 32 des Drucktuchs 19 von unten abstützen. Bei Montage der Drucktucheinheit an einem Drucktuchzylinder können die durch den Schnitt entlang der Schnittlinie 33 gebildeten Seitenflächen der Stützelemente 34 und 36 formschlüssig aneinander zur Anlage kommen.Finally, the sealing
Die
Hier wird mindestens ein Ende der Trägerplatte 42, wie bereits beschrieben, abgewinkelt. Die Trägerplatte 42 wird nun auf einen Grundkörper 53 einer Vorrichtung 41 mit mindestens einem Schieber 54; 56, wie sie nachfolgend noch beschrieben wird, aufgelegt. Mindestens einer der Schieber 54; 56 ist zum Grundkörper 53 und/oder zum anderen Schieber 56; 54 beweglich. Dieser Grundkörper 53 ist in seiner Geometrie der Geometrie der Trägerplatte 42 angepasst. Beide Schieber 54; 56 der Vorrichtung 41 sind offen. Die Trägerplatte 42 wird nun auf den notwendigen Zylinderumfang bzw. auf das notwendige Abkantmaß mittels eines Einstellmechanismus 57 eingestellt. Beide Schieber 54; 56 werden geschlossen. Die Füllmasse 51; 52 wird anschließend formschlüssig eingegossen bzw. eingepresst. Je nach Form der Schieber 54; 56 wird ein flacher, d. h. mit der Trägerplatte 42 bündiger, bzw. ein erhöhter Unterbau erreicht, wobei die Schieber 54; 56 als Form 54; 56 für die Füllmasse 51; 52 wirken. Zumindest eine der Füllmassen 51; 52 steht dabei über die virtuelle Verlängerung V42 der Außenseite der Trägerplatte 42 in radialer Richtung hinaus. Die Füllmasse 51; 52 wird nun durch eine weitere Vorrichtung 58 bündig gezogen bzw. geschliffen. Anschließend wird das Drucktuch 43 auf die Füllmasse 51; 52 aufgebracht. Dies kann mit Hilfe eines anstellbaren Anschlages 59 erfolgen. Zum Schluss werden die Schieber 54; 56 geöffnet und die Drucktucheinheit wird vulkanisiert. Diese Vulkanisierung kann innerhalb der Vorrichtung 41, aber auch außerhalb der Vorrichtung 41 durchgeführt werden.Here, at least one end of the
Die
Die Füllmasse 51; 52 erstreckt sich hier an einer virtuellen Verlängerung V43 der Außenseite des Drucktuches 43 in Längsrichtung, d. h. Umfangsrichtung, des Drucktuches 43. Dabei kann die Füllmasse 51; 52 sowohl über ein Ende 61; 62 als auch über beide Enden 61; 62 des Drucktuches 43 in Längsrichtung hinausragen. In radialer Richtung kann die Füllmasse 51; 52 zumindest teilweise über die virtuelle Verlängerung V43 der Außenseite des Drucktuches 43 überstehen (
Diese Ausführungsform wird durch folgendes Herstellungsverfahren erreicht. Wie bereits beschrieben, wird mindestens ein Ende der Trägerplatte 42 abgekantet. Anschließend wird das Drucktuch 43 auf die Trägerplatte 42 aufgebracht. Unerheblich dabei ist, ob das Drucktuch 43 bereits vulkanisiert ist oder nicht. Die Schieber 54; 56 werden anschließend geschlossen. Die Füllmasse 51; 52 zum Verschließen und Verstärken eines Kanals wird nun eingepresst bzw. eingegossen. Je nach dem wie die Schieber 54; 56 ausgebildet sind, wird eine entsprechende Formgebung der Füllmasse 51; 52 erreicht. Danach wird die Füllmasse 51; 52 maßhaltig bearbeitet. Anschließend kann, je nach Bedarf, der Vulkanisierungsvorgang innerhalb oder außerhalb der Vorrichtung 41 stattfinden.This embodiment is achieved by the following manufacturing method. As already described, at least one end of the
Die beiden letztgenannten Herstellungsverfahren unterscheiden sich also dadurch, dass in den Ausführungen gemäß den
Wie in den
Die Ausführung mit verdickten Enden der
Dieses verdickte Ende oder beide verdickten Enden stehen im auf dem Drucktuchzylinder montierten Zustand in radialer Richtung über eine virtuelle Verlängerung des sich anschließenden Gummituches, d. h. der wirksame Radius des montierten Gummituches ist im Bereich der Enden größer. Der dazwischen liegende Bereiche ist sehr viel größer (mindestens 10 fach) als der Bereich der Enden. Vorzugsweise erstreckt sich die Verdickung in Umfangsrichtung auf weniger als 10 mm, insbesondere auf weniger als 5 mm.This thickened end or both thickened ends are in the mounted on the blanket cylinder state in the radial direction via a virtual extension of the following blanket, ie the effective radius of the mounted blanket is larger at 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.
In auf dem Drucktuchzylinder angebrachten Zustand ist demzufolge ein Radius R11; R12 (
Die Drucktucheinheit weist den vergrößerten Radius R11; R12 in Umfangsrichtung kleiner als 10 mm, insbesondere kleiner als 5 mm auf.The blanket unit has the increased radius R11; R12 in the circumferential direction less than 10 mm, in particular less than 5 mm.
Für alle Verfahren gilt, dass die Füllmasse 13; 14; 29; 51; 52 im fließfähigen, verformbaren Zustand, jeweils an mindestens einem Ende der beiden Enden der Drucktucheinheit eingebracht wird. Die Füllmasse 13; 14; 29; 51; 52 ist in Längsrichtung zumindest teilweise auf einer Abkantung 08; 09; 27; 28; 48; 49 des abgewinkelten Schenkels 04; 06; 21; 22; 44; 46 der Trägerplatte 02; 18; 42 angeordnet und ragt über die Abkantung 08; 09; 27; 28; 48; 49 in Umfangsrichtung hinaus. Nach Aufbringen kann die Außenseite der Füllmasse 13; 14; 29; 51; 52 maßhaltig bearbeitet werden. Die Füllmasse 13; 14; 29; 51; 52 kann vorzugsweise einstückig ausgebildet sein. Die Werkstoffe von Drucktuch 03; 43 und Füllmasse 13; 14; 29; 51; 52 können gleich oder unterschiedlich ausgebildet sein.For all methods, the filling
Wie in
Zur Herstellung von Drucktucheinheiten kann vorzugsweise die Füllmasse 51; 52 bzw. die Stützelemente 13; 14 bei voneinander wegweisenden Enden der Drucktucheinheit bei ausgestreckten, vorzugsweise plan oder leicht gewölbt liegenden Drucktucheinheiten eingebracht. (Ausgenommen Ausführungsbeispiel der
Zur Herstellung der Drucktucheinheit kann eine mehrteilige Vorrichtung 41 verwendet werden, bei der mindestens zwei Teile, z. B. Schieber 54; 56, relativ zueinander beweglich sind. Dabei ist es möglich, z. B. zur Herstellung von verdickten Enden der Drucktucheinheit, dass zumindest die an der Füllmasse 51; 52 anliegende Fläche in Richtung der Außenseite der Drucktucheinheit zumindest teilweise über die virtuelle Verlängerung V43 der Außenseite des Drucktuches 43 übersteht oder dass zumindest die an der Füllmasse 51; 52 anliegende Fläche in Richtung der Außenseite der Drucktucheinheit zumindest teilweise über die virtuelle Verlängerung V42 der Außenseite der Trägerplatte 42 bei noch nicht auf der Trägerplatte 42 angebrachten Drucktuches 43 übersteht. Die beiden Teil, z. B. Schieber 54; 56, sollten in Längsrichtung der Drucktucheinheit abstandsveränderbar sein. Mindestens eine Fläche von einem der beiden Teile liegt an der Füllmasse 51; 52 an und mindestens eine Fläche kann an einem abgewinkelten Schenkel 44; 46 der Trägerplatte 42 anliegen. Zumindest die an der Füllmasse 51; 52 anliegende Fläche kann in Richtung der Außenseite der Drucktucheinheit zumindest teilweise über die virtuelle Verlängerung V43 der Außenseite des Drucktuches 43 überstehen bzw. kann zumindest die an der Füllmasse 51; 52 anliegende Fläche in Richtung der Außenseite der Drucktucheinheit zumindest teilweise über die virtuelle Verlängerung V42 der Außenseite der Trägerplatte 42 bei noch nicht auf der Trägerplatte 42 angebrachten Drucktuches 43 überstehen. An der Vorrichtung 41 kann wenigstens eine weitere Vorrichtung 58, z. B. ein Werkzeug 58, zur Bearbeitung zumindest der Außenseite der Füllmasse 51; 52 angeordnet sein.For the production of the blanket unit, a
In der Vorrichtung 41 sollte mindestens ein Träger 53, z. B. der Grundkörper 53; zur Aufnahme der Trägerplatte 42 angeordnet sein, wobei die Innenseite der Trägerplatte 42 auf diesem Träger 53 aufliegt.In the
Der Träger 53 kann auch aus mehreren Teilen bestehen. Mindestens ein Teil des Trägers 53 wirkt mit einem vorlaufenden Schenkel 46 der Trägerplatte 42, ein anderer Teil des Trägers 53 mit dem nachlaufenden Schenkel 44 der Trägerplatte 42 zusammen. Vorzugsweise ist ein Teil des Trägers 53 relativ zu dem anderen Teil der Trägers 53 ortsveränderbar.The
Die Vorrichtung 41 kann auch Elemente zum Abkanten der Enden der Trägerplatte 42 aufweisen, d. h. als Abkantmaschine ausgebildet sein.The
Nicht dargestellt sind Ausführungsformen, bei denen die Trägerplatte nur einen abgekanteten Schenkel aufweist. Die Füllmasse kann in diesen Fällen auf der Abkantung des Schenkels und am anderen, nicht abgekanteten Ende der Trägerplatte angeordnet sein.Not shown are embodiments in which the carrier plate has only a folded leg. The filling compound can be arranged in these cases on the fold of the leg and at the other, not beveled end of the support plate.
Das zweite Ende der Drucktucheinheit ist dann in keinem Kanal angeordnet, sondern lediglich an der Außenfläche des Ballens des Drucktuchzylinders.The second end of the blanket unit is then arranged in no channel, but only on the outer surface of the bale of the blanket cylinder.
Für alle hier beschriebenen Drucktucheinheiten und Verfahren gilt, dass die Füllmasse 13; 14; 34; 36; 51; 52 vor dem Montieren der Drucktucheinheit auf den Drucktuchzylinder an der Drucktucheinheit angeordnet ist bzw. angeordnet werden kann.For all printing blanket units and methods described here, the filling
Die Füllmassen 13; 14; 34; 36; 51; 52, auch als Stützelemente 13; 14; 34; 36; 51; 52 bezeichnet, können z. B. auch zur Abstützung eines Gegenzylinders in radialer Richtung dienen, da der Drucktuchzylinder mit einem Gegenzylinder, z. B. einem Form- oder einem Plattenzylinder, in Kontakt steht. Der Formzylinder weist mindestens einen Kanal auf, in dem die mindestens eine Druckplatte befestigt ist. Die Füllmasse 13; 14; 34; 36; 51; 52 wirkt mit einer Druckplatte des Gegenzylinders zusammen, indem sie sich gegenseitig stützen.The filling
- 0101
- --
- 0202
- Trägerplattesupport plate
- 0303
- Drucktuch, GummituchBlanket, blanket
- 0404
- Schenkel (Trägerplatte)Leg (support plate)
- 0505
- DrucktuchzylinderBlanket cylinder
- 0606
- Schenkel (Trägerplatte)Leg (support plate)
- 0707
- Mittelteil (Trägerplatte)Middle part (carrier plate)
- 0808
- Abkantungfold
- 0909
- Abkantungfold
- 1010
- --
- 1111
- Ende (Drucktuch)End (blanket)
- 1212
- Ende (Drucktuch)End (blanket)
- 1313
- Füllmasse, StützelementFilling compound, support element
- 1414
- Füllmasse, StützelementFilling compound, support element
- 1515
- --
- 1616
- Spaltgap
- 1717
- --
- 1818
- Trägerplattesupport plate
- 1919
- Drucktuchblanket
- 2020
- --
- 2121
- Schenkelleg
- 2222
- Schenkelleg
- 2323
- Dichtungselementsealing element
- 2424
- Unterbauschichtsubgrade
- 2525
- --
- 2626
- Spaltgap
- 2727
- Abkantungfold
- 2828
- Abkantungfold
- 2929
- Füllmasse, SiegelmaterialFilling material, sealing material
- 3030
- --
- 3131
- Ende (Drucktuch)End (blanket)
- 3232
- Ende (DrucktuchEnd (blanket
- 3333
- Schnittlinieintersection
- 3434
- Stützelement, FüllmasseSupport element, filling compound
- 3535
- Mittelteilmidsection
- 3636
- Stützelement, FüllmasseSupport element, filling compound
- 3737
- --
- 3838
- --
- 3939
- --
- 4040
- --
- 4141
- Vorrichtung, HerstellvorrichtungDevice, manufacturing device
- 4242
- Trägerplattesupport plate
- 4343
- Drucktuchblanket
- 4444
- Schenkelleg
- 4545
- --
- 4646
- Schenkelleg
- 4747
- Mittelteilmidsection
- 4848
- Abkantungfold
- 4949
- Abkantungfold
- 5050
- --
- 5151
- Füllmassefilling compound
- 5252
- Füllmassefilling compound
- 5353
- Grundkörper, TrägerBasic body, carrier
- 5454
- Form, SchieberShape, slider
- 5555
- --
- 5656
- Form, SchieberShape, slider
- 5757
- Einstellmechanismusadjustment
- 5858
- Vorrichtung, weitere; WerkzeugDevice, further; Tool
- 5959
- Anschlagattack
- 6060
- --
- 6161
- Ende (Drucktuch)End (blanket)
- 6262
- Ende (Drucktuch)End (blanket)
- a01a01
- Abstanddistance
- a02a02
- Abstanddistance
- d01d01
- Dicke (Drucktucheinheit)Thickness (blanket unit)
- d02d02
- Dicke (Trägerplatte)Thickness (carrier plate)
- L13L13
- Längelength
- L14L14
- Längelength
- L51L51
- Längelength
- L52L52
- Längelength
- V42V42
- Verlängerung, virtuelleExtension, virtual
- V43V43
- Verlängerung, virtuelleExtension, virtual
- RR
- Radiusradius
- R03R03
- Radiusradius
- R11R11
- Radiusradius
- R12R12
- Radiusradius
- α04α04
- Öffnungswinkelopening angle
- α06α06
- Öffnungswinkelopening angle
Claims (26)
- Printing blanket unit of a printing blanket cylinder of a printing machine with a dimensionally-stable mounting plate (02; 18; 42) and a printing blanket (03; 19; 43) affixed to the exterior of the mounting plate (02; 18; 42), wherein a filler (13; 14; 29; 51; 52) is arranged on at least one end of the printing blanket (03; 19; 43), wherein the filler (13; 14; 29; 51; 52) is arranged at least up until an exterior of the printing blanket (03; 19; 43), characterised in that the filler (51; 52) constructed as a support element projects to the exterior of the printing blanket (43) facing away from the mounting plate (42), in the circumferential direction of the printing blanket (43), and that a length (L51; L52) of the filler (51; 52) in the circumferential direction is greater than 0.1 mm.
- Printing blanket unit according to claim 1, characterised in that a length (L51; L52) of the filler material in the circumferential direction is greater than 0.4 mm.
- Printing blanket unit according to claim 1, characterised in that a length (L51; L52) of the filler (51; 52) in the circumferential direction is smaller than 2 mm.
- Printing blanket unit according to claim 1, characterised in that a length (L51; L52) of the filler (51; 52) in the circumferential direction is smaller than 5 mm.
- Printing blanket unit according to claim 1, characterised in that a thickness of the filler (51; 52) is greater than a thickness of the printing blanket (43).
- Printing blanket unit according to claim 1, characterised in that the mounting plate (42) has at least one angled bracket (44; 46).
- Printing blanket unit according to claim 6, characterised in that the angled bracket (46) incorporates a pointed aperture angle (α06) with the connected mounting plate (42).
- Printing blanket unit according to claim 6, characterised in that the angled bracket (46) is arranged on the advanced end of the printing blanket unit.
- Printing blanket unit according to claim 6, characterised in that the mounting plate (42) has two angled brackets (44; 46).
- Printing blanket unit according to claim 9, characterised in that the angled bracket (44) has an aperture angle (α04) of 45 to 150 degrees on the subsequent end with the connected mounting plate (42).
- Printing blanket unit according to claim 9, characterised in that the angled bracket (44) has an aperture angle (α04) of 80 to 100 degrees on the subsequent end with the connected mounting plate (42).
- Printing blanket unit according to claim 9, characterised in that the angled bracket (44) has an aperture angle (α04) of 120 to 150 degrees on the subsequent end with the connected mounting plate (42).
- Printing blanket unit according to claim 6 or 9, characterised in that the filler (51; 52) is at least partially arranged on a splay (48; 49) of the angled bracket (44; 46) of the mounting plate (42).
- Printing blanket unit according to claim 6 or 9, characterised in that the filler (51; 52) protrudes in the longitudinal direction over the end of the mounting plate (42).
- Printing blanket unit according to claim 13, characterised in that the filler (51; 52) is arranged at least partially on the angled bracket (44; 46) of the mounting plate (42) over the edge of the splay (48; 49).
- Printing blanket unit according to claim 1, characterised in that the filler (51; 52) projects in the longitudinal direction of the printing blanket (43) on a virtual extension (V43) of the exterior of the printing blanket (43).
- Printing blanket unit according to claim 16, characterised in that the filler (51; 52) partially overlaps the virtual extension (V43) of the exterior of the printing blanket (43) in the radial direction.
- Printing blanket unit according to claim 1, characterised in that a filler is allocated to each of the two ends (61; 62) of the printing blanket (43).
- Printing blanket unit according to claim 13, characterised in that the filler (51; 52) clasps the splay.
- Printing blanket unit according to claim 1 or 18, characterised in that, when it is mounted on the printing blanket cylinder, the filler (51; 52) arranged on one end (61; 62) of the printing blanket (43) is not joined to the other end (61; 62) of the printing blanket (43), nor to the other filler (51; 52) arranged on the other end (61; 62) of the printing blanket (43).
- Printing blanket unit according to claim 20, characterised in that, when it is mounted on the printing blanket cylinder, the filler (51; 52) arranged on one end (61; 62) of the printing blanket (43) does not touch the other end (61; 62) of the printing blanket (43) or the filler (51; 52) arranged on the other end (61; 62) of the printing blanket (43).
- Printing blanket unit according to claim 1, characterised in that the mounting plate (42) is made of metal.
- Printing blanket unit according to claim 1, characterised in that the printing blanket (43) is multi-layered.
- Printing blanket unit according to claim 1, characterised in that the filler (51; 52) is one-piece.
- Printing blanket unit according to claim 1, characterised in that the materials of the filler (51; 52) and the printing blanket (43) are different.
- Printing blanket according to claim 1, characterised in that the materials of the filler (51; 52) and printing blanket (43) are the same.
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 (en) | 2002-12-16 | 2003-02-21 | Printing blanket assembly for a printed blanket cylinder of a rotary printing press comprises a dimensionally stable support plate and a printing blanket fixed to the outer side of the support plate |
DE10307383A DE10307383B4 (en) | 2002-12-16 | 2003-02-21 | Method for producing a blanket unit |
DE10307382 | 2003-02-21 | ||
DE10329270 | 2003-06-30 | ||
DE10329270 | 2003-06-30 | ||
DE10354436A DE10354436A1 (en) | 2002-12-16 | 2003-11-21 | Printing blanket assembly for a printed blanket cylinder of a rotary printing press comprises a dimensionally stable support plate and a printing blanket fixed to the outer side of the support plate |
DE10354436 | 2003-11-21 | ||
PCT/DE2003/003941 WO2004054807A1 (en) | 2002-12-16 | 2003-11-27 | Printing blanket assembly for a blanket cylinder and method for producing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1572460A1 EP1572460A1 (en) | 2005-09-14 |
EP1572460B1 true EP1572460B1 (en) | 2009-03-11 |
Family
ID=32601105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03788826A Expired - Lifetime EP1572460B1 (en) | 2002-12-16 | 2003-11-27 | Printing blanket assembly for a blanket cylinder |
Country Status (5)
Country | Link |
---|---|
US (1) | US7370579B2 (en) |
EP (1) | EP1572460B1 (en) |
JP (1) | JP4298702B2 (en) |
AU (1) | AU2003292990A1 (en) |
WO (1) | WO2004054807A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006027144B3 (en) * | 2006-06-12 | 2007-11-29 | Koenig & Bauer Aktiengesellschaft | Form stable printing cylinder blanket is assembled from a number of beveled edge panels made of different materials |
DE102006027143B4 (en) * | 2006-06-12 | 2011-06-01 | Koenig & Bauer Aktiengesellschaft | Blanket unit for a blanket cylinder of a rotary printing machine |
DE102006027142B3 (en) * | 2006-06-12 | 2007-05-24 | Koenig & Bauer Ag | Printing cloth unit for printing cloth cylinder of printing press has underlays in form of self-adhesive foil applied to underside of carrier plate |
JP2010184806A (en) * | 2009-02-13 | 2010-08-26 | Seiko Epson Corp | Carrier roller, carrying unit and printer |
JP5402054B2 (en) * | 2009-02-13 | 2014-01-29 | セイコーエプソン株式会社 | Conveying roller, conveying unit, and printing apparatus |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3008809A (en) * | 1959-02-26 | 1961-11-14 | Phillips Petroleum Co | Apparatus for slurrying solids in liquid |
FR1367860A (en) | 1963-08-13 | 1964-07-24 | Crabtree & Sons Ltd R | Development of rotary printing machines |
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 (en) * | 1985-11-15 | 1987-05-21 | Roland Man Druckmasch | PRINTING CYLINDER WITH A FILLING PIECE IN ITS CYLINDER PIT |
IT1231223B (en) * | 1987-09-11 | 1991-11-26 | Cerutti Spa Off Mec | METHOD FOR JOINING THE ENDS OF A SHEET FOR ROTARY PRINTING AND JOINTING SO OBTAINED |
DE3780313D1 (en) * | 1987-11-24 | 1992-08-13 | Celfa Ag | PRINTING CYLINDER WITH RUBBER COVER FOR HIGH-. FLEXO, DEEP AND ROLL OFFSET PRINT. |
DE4034767A1 (en) * | 1989-12-01 | 1991-06-06 | Heidelberger Druckmasch Ag | PRINTING CYLINDERS FOR ROTARY PRINTING MACHINES |
DE9002111U1 (en) * | 1990-02-22 | 1990-04-19 | MAN Roland Druckmaschinen AG, 6050 Offenbach | Filler piece for use in the pit of a printing cylinder in a web-fed rotary printing press |
DE4102858A1 (en) * | 1990-03-08 | 1991-09-12 | Heidelberger Druckmasch Ag | PRINTING CYLINDERS FOR ROTARY PRINTING MACHINES |
US5403556A (en) * | 1990-11-30 | 1995-04-04 | Fina Technology, Inc. | Apparatus for injecting solid insoluble additives into polymerization streams |
DE4217793C1 (en) * | 1992-05-29 | 1993-12-09 | Roland Man Druckmasch | Offset blanket and process for its manufacture |
DE4307320C2 (en) | 1993-03-09 | 1998-10-01 | Roland Man Druckmasch | Process for producing a plate provided with a rubber layer or a rubber blanket for a printing machine |
US6779449B1 (en) * | 1994-09-15 | 2004-08-24 | Man Roland Druckmaschinen Ag | Carrying sleeve for printing and transfer forms and a process for production of such a carrying sleeve |
DE19521645C2 (en) | 1995-06-14 | 1998-07-09 | Koenig & Bauer Albert Ag | Device for a slit-shaped holding device |
DE19543584C1 (en) | 1995-11-23 | 1997-07-24 | Koenig & Bauer Albert Ag | Blanket for a printing press |
DE19547917A1 (en) | 1995-12-21 | 1997-07-03 | Koenig & Bauer Albert Ag | Blanket for a blanket cylinder |
US5749298A (en) * | 1997-06-10 | 1998-05-12 | Reeves Brothers, Inc. | Arrangement for securing a printing blanket to a cylinder |
-
2003
- 2003-11-27 JP JP2005502400A patent/JP4298702B2/en not_active Expired - Fee Related
- 2003-11-27 AU AU2003292990A patent/AU2003292990A1/en not_active Abandoned
- 2003-11-27 WO PCT/DE2003/003941 patent/WO2004054807A1/en active Search and Examination
- 2003-11-27 US US10/538,854 patent/US7370579B2/en not_active Expired - Fee Related
- 2003-11-27 EP EP03788826A patent/EP1572460B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2006515811A (en) | 2006-06-08 |
WO2004054807B1 (en) | 2004-08-19 |
WO2004054807A1 (en) | 2004-07-01 |
JP4298702B2 (en) | 2009-07-22 |
AU2003292990A1 (en) | 2004-07-09 |
US7370579B2 (en) | 2008-05-13 |
US20060042489A1 (en) | 2006-03-02 |
EP1572460A1 (en) | 2005-09-14 |
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