EP2103430A1 - Unité d'impression avec plusieurs groupes d'impression ainsi que tour d'impression - Google Patents

Unité d'impression avec plusieurs groupes d'impression ainsi que tour d'impression Download PDF

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Publication number
EP2103430A1
EP2103430A1 EP09158226A EP09158226A EP2103430A1 EP 2103430 A1 EP2103430 A1 EP 2103430A1 EP 09158226 A EP09158226 A EP 09158226A EP 09158226 A EP09158226 A EP 09158226A EP 2103430 A1 EP2103430 A1 EP 2103430A1
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EP
European Patent Office
Prior art keywords
plate
printing
cylinder
printing unit
changing device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09158226A
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German (de)
English (en)
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EP2103430B1 (fr
Inventor
Jürgen Stiel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP2103430A1 publication Critical patent/EP2103430A1/fr
Application granted granted Critical
Publication of EP2103430B1 publication Critical patent/EP2103430B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/10—Rotary lithographic machines for offset printing using one impression cylinder co-operating with several transfer cylinders for printing on sheets or webs, e.g. satellite-printing units
    • 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
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/60—Devices for transferring printing plates

Definitions

  • the invention relates to a printing unit with a plurality of printing units according to the preamble of claim 1 and to a printing tower according to claim 20.
  • a printing unit which is designed as H-printing unit. Furthermore, it is known from this document to supply a printing plate a plate cylinder in the angular range between the associated dampening unit and the associated inking unit.
  • a plate changing device for the printing plates of the plate cylinder of a printing press which may have a plurality of plate cylinder.
  • the disc changer may include a cartridge having a delivery chute and a discharge chute.
  • the respective cassette can be arranged above or below a horizontal plane passing through the axis of rotation of the associated plate cylinder.
  • the document further shows a printing tower with stacked U-printing units. All of the plate cylinders are each associated with a plate changing device comprising a cassette.
  • the respective plate changing device is always arranged in the case of all plate cylinder above a running through the axis of rotation of the associated plate cylinder horizontal.
  • this known plate changing device is always arranged on the same circumferential area of the respective associated plate cylinder.
  • the EP 0 710 558 A1 and the WO 03/031180 A2 disclose a nine-cylinder satellite printing unit with pairwise drive of the printing units.
  • the DE 43 22 027 A1 discloses a device for changing plates with a bevelled, leading end.
  • the folded end of the plate for the upper plate cylinder faces up and the folded end of the plate for the lower plate cylinder faces down.
  • a feed chute for the single plate per form cylinder is arranged approximately horizontally.
  • the DE 37 21 879 C2 describes a printing machine with two adjacent plate cylinders, wherein the discharge of the printing plates in the right plate cylinder from above and the left plate cylinder is done from below.
  • the post-published DE 10 2004 052 020 A1 shows a nine-cylinder satellite printing unit with plate changing devices.
  • the DE 198 04 106 A1 shows at two superimposed plate cylinder, the supply of the printing plate at the upper plate cylinder below its axis of rotation and the lower plate cylinder above the axis of rotation.
  • the post-published EP 1 767 354 A2 relates to a printing unit consisting of two nine-cylinder satellite arrangements, wherein plate changing devices are provided.
  • the invention has for its object to provide printing units with multiple printing units and a printing tower.
  • the plate cylinder of a printing unit with Plate changing devices can work together when different, especially laterally opposite plate cylinder of the printing unit have the same direction of rotation, but are operated from opposite sides.
  • the invention thus makes it possible, regardless of the respective direction of rotation of the plate cylinder all plate cylinders of a printing unit or a printing tower assign plate changing devices, whereby a plate change can be carried out extremely quickly and, accordingly, the productivity of the printing press can be increased.
  • FIG. 1 shows one of two stacked, six-plate wide printing units 16 and 17, in particular of nine-cylinder satellite printing units 16 and 17 (6/2 printing units) composed, designed as a four-tower 14 printing tower 14 shows.
  • the lower, six-plate wide nine-cylinder satellite printing unit 16 comprises a frame 02, a cylinder mounted on the frame 02 18, z.
  • Each printing unit 03; 04; 21; 22 each includes a cylinder 06, z. B. a trained as a blanket cylinder 06 transfer cylinder 06, a cylinder 07, z. B. a designed as a plate cylinder 07 form cylinder 07, a plate cylinder 07 associated dampening unit 08 and the plate cylinder 07 associated inking 09.
  • the dampening 08 can be, for example, brush dampenings, film dampenings or spray dampenings.
  • the dampening units 08 are arranged outboard to be flexible in the choice of the direction of rotation in the later possible retrofitting.
  • Two plate cylinders 07 each; 07 are arranged horizontally next to each other and thus lie on a common horizontal H.
  • the blanket cylinders 06 of the two lower printing units 03; 04 are arranged at a small distance from each other and employed to the impression cylinder 18.
  • the blanket cylinder 06 of the two overhead printing units 21; 22 are arranged at a great distance from each other and have in the case of the embodiment at an angular distance ⁇ of about 150 °.
  • the blanket cylinder 06 of the upper two printing units 21; 22 may have an angular distance ⁇ of at least 90 ° or at least 120 ° or at least 140 °.
  • a guide roller or a pair of guide rollers 19 arranged such that the printing material or paper web 23 is not subtracted from the rubber cylinders 06, that does not wrap around them, which is essential for the possibility of using an imprinter. Furthermore, in the space between the incoming and the outgoing paper web 23 sufficient space to accommodate a counter-pressure cylinder cleaning device 24, which may be installed through the wall of the frame 02 through, if necessary. The cleaning of the impression cylinder 18 can in this case without removing the Paper web 23 done.
  • the blanket cylinders 06 of the printing units 21; 22 is assigned in each case a blanket washing device 12.
  • the two rubber cylinders 06 of the two lower printing units 03; 04 is assigned a common blanket washing device 26, which can be adjusted from below vertically upwards to the two blanket cylinders 06 and with which the two associated blanket cylinders 06, possibly after removal of the impression cylinder 18, can be cleaned.
  • Other arrangements of the blanket washing devices 12 are possible.
  • the plate cylinders 07 of the printing units 03; 04; 21; 22 is associated with a plate changing device 11, in order to automate the laying of printing plates on the respective plate cylinder 07 and accelerate.
  • the plate changing devices 11 may be those which are explained in more detail below. These plate changing devices 11 are, for example, in the printing unit 16; 17 arranged so that at least one pressure plate 101 can be initially introduced without curvature.
  • the drive concept for this embodiment may be, for example, five or six drives for the nine cylinder satellite pressure unit 16. Not least because of the spatially close position of the blanket cylinders 06 (small formats), the plate cylinders 07 are preferably driven, of which then, for example, when driven in pairs on the blanket cylinder 06.
  • the upper nine-cylinder satellite pressure unit 17 is similar in construction to the lower nine-cylinder satellite pressure unit 16, but has a mirrored structure on the other hand. With regard to a detailed description, reference may therefore be made to the above. In particular, therefore, the arrangement of the printing units 03; 04; 21; 22 or cylinder 06; 07; 18 of a printing unit 16 in mirror image to the arrangement of Printing units 28; 29; 31; 32 or cylinder 06; 07; 18 of the other printing unit 17. In addition, the plate changing devices 11 of a printing unit 16 are arranged in mirror image to the plate changing devices 11 of the other printing unit 17th
  • the upper nine-cylinder satellite pressure unit 17 thus has a frame 27 with holes which are formed in mirror image to those of the frame 02.
  • the frame 27 or parts thereof may be formed identical to the frame 02, but rotated by 180 ° placed on the frame 02, which has a favorable effect on the manufacturing cost.
  • the two stacked frames 02; 27 instead of the two stacked frames 02; 27 also a single common frame for the two nine-cylinder satellite printing units 16; 17 and the printing tower 14 may be provided.
  • the upper nine-cylinder satellite printing unit 17 thus again comprises a counter-pressure cylinder 18 serving as a satellite cylinder 18 and four printing units 28 arranged thereon; 29; 31; 32.
  • the blanket cylinder 06 of the two lower printing units 28; 29 are now arranged at a great distance from each other, while the blanket cylinder 06 of the two upper printing units 31; 32 are arranged at a small distance from each other.
  • the upper two printing units 31; 32 are arranged in the manner of a U-printing unit.
  • the printing substrate 23 to be printed is fed by a cylinder 33 approximately vertically down the lower nine-cylinder satellite pressure unit 16, printed here on one side in four-color printing, then approximately vertically upward fed to the upper nine-cylinder satellite pressure unit 17, here on printed on the other side in four-color printing and then fed approximately vertically down a cylinder 34.
  • FIG. 2 In terms of general construction, it corresponds substantially to that according to FIG Fig. 1 , so that reference is made to it and in the following essentially only the differences reference will be explained.
  • the same or corresponding components are provided with the same or corresponding reference numerals.
  • dampening units 08 extend approximately radially to the satellite cylinder 18 and are arranged practically immediately adjacent to the corresponding inking units 09, extend in the case of the embodiment according to Fig. 2 the dampening units 08 of the printing units 04; 21; 28; 32 are approximately perpendicular to such a radial direction or, in other words, these dampening units 08 relative to the embodiment according to Fig. 1 opposite to the direction of rotation of the respective plate cylinder 07 offset on the circumference by orders of magnitude 90 °. In this way, space is created on the circumference of the respective plate cylinder 07 to allow for these plate cylinders 07 an arrangement of a plate changing device 11 between the inking unit 09 and dampening unit 08.
  • the plate changing devices 11 are arranged on the plate cylinders 07 so as to always enclose an acute angle with the incoming cylinder surface of the respective plate cylinder 07, which is essential for proper operation of the plate changing device 11, as will be apparent from later-described embodiments.
  • this then leads to a part of the plate changing devices 11 from above with the respective corresponding plate cylinder 07 cooperates, while another part the plate changing devices 11 from below cooperates with the respective corresponding plate cylinder.
  • plate-changing devices 11a supplying and discharging from above, and plate-changing devices 11b feeding and discharging from below.
  • Fig. 3 shows an embodiment of a plate-shaped pressure plate 101 made of elastically flexible metal. It may for example have a length L between 400 mm and 1300 mm and a width B between 280 mm and 1500 mm. Via a bearing surface 102, the pressure plate 101 is in the mounted state on the lateral surface of a plate cylinder 07.
  • the pressure plate 101 has two opposite ends 103; 104 with angled Einhotbringeln 113; 114, wherein the leading suspension leg 113 is angled, for example, acute angle and the trailing suspension leg 114, for example, at right angles.
  • the printing plates 101 are preferably the size of a stationary newspaper page (Broadsheet) and / or two horizontal newspaper pages (tabloid) formed.
  • the suspension legs 113; 114 of the pressure plate 101 is fixed by means of a holding device, wherein the holding device is arranged in a channel 108 which extends in the axial direction to the plate cylinder 07 as a rule.
  • the rectified with the production direction P of the plate cylinder 07 end 103 of the pressure plate 101 is referred to as the leading end 103, whereas the opposite end 104 is referred to as a trailing end 104 of the pressure plate 101.
  • the suspension legs 113; 114 are inserted into a narrow, in particular slot-shaped opening 109 of the channel 108 of the cylinder 07 and there by means of a holding device, for. B. a clamping device can be fastened.
  • the acute-angled bent suspension leg 113 at the leading end 103 of the pressure plate 101 is positively connected to the front edge 116 of the opening 109 and the right-angled folded suspension leg 114 at the trailing end 104 of the pressure plate 101 is positively clamped to the rear edge 117 of the opening 109.
  • the channel 108 are z. B. at least one pivotally mounted holding means 121 and a biased spring element 122 is arranged, wherein the spring element 122, the holding means 121 z. B. against the folded suspension leg 114 at the trailing end 104 presses, which is hooked to the opening 109 at its rear edge 117, whereby the suspension leg 114 held at the trailing end 104 at the extending from the rear edge 117 to the channel 108 toward wall 119 becomes.
  • an adjusting means 123 preferably a pneumatically actuable adjusting means 123, is provided in the channel 108, which, when actuated, pivots the holding means 121 against the force of the spring element 122.
  • the holding device described, for example, consists essentially of the holding means 121, the spring element 122 and the adjusting means 123th
  • FIGS. 5 and 6 a method for mounting a printing plate 101 on a plate cylinder 07 of the printing press described, wherein on the plate cylinder 07 along the circumference of two printing plates 101 can be arranged.
  • the leading end 103 of the printing plate 101 is z. B.
  • the leading end 103 may be resiliently biased (FIG. Fig. 6 ), so that the trained at the leading end 103 suspension leg 113 as a result of a directed to the plate cylinder 07 restoring moment MR springs into the opening 109 as soon as the opening 109 of the plate cylinder 07 and the contact line 127 of Einkowels 113 with the lateral surface 107 of the plate cylinder 07 due a relative movement between the pressure plate 101 and the plate cylinder 07 are directly opposite, wherein the relative movement takes place in particular by the rotation of the plate cylinder 07 in the direction of production P.
  • This alternative is particularly relevant when supplied from below printing plates 101.
  • the restoring moment MR results from the fact that the pressure plate 101 consists of an elastically deformable material and thus immanently has an elastically resilient property, which is used insofar as the leading end 103 when approaching the plate cylinder 07 z. B. over a preferably axially to the plate cylinder 07 extending, spaced from the plate cylinder 07 arranged edge 126 of a support member 124 and bent there such that at the leading end 103, a bending stress with a plate cylinder 07 directed spring force builds (dashed line of the pressure plate 101st in Fig. 6 ).
  • the support member 124 may, for. B.
  • roller 124 in particular as a roller 124 or as one or more axially to the plate cylinder 07 juxtaposed rollers 124 may be formed, the or the z. B. in the function of a pressing member 124 to the plate cylinder 07 is adjustable or are.
  • the suspension leg 113 hooks on the leading end 103 of the elevator 101 at the first edge 116 of the opening 109.
  • a rolling element 124 attached to the printing cylinder 07 can support the mounting of the elevator 101 on the printing cylinder 07, in that the rolling element 124 rolls up the elevator 101 onto the printing cylinder 07.
  • said suspension leg 14 is pressed by the rolling element 124 in the course of rolling up of the elevator 101 on the impression cylinder 07 into the opening 109 of the cylinder 06.
  • the printing forme magazine 138 is provided for a plate changing device 11a for feeding and discharging from above, and the printing forme magazine 139 for a plate feeding device 11b for feeding from below.
  • Each printing form magazine 138; 139 each has a receiving device 141; 142, z. B. a shaft 141; 142, for receiving at least one of the respective plate cylinder 07 ab currentlyden, used pressure plate 101 and a receiving device 143; 144, z. B. a shaft 143; 144, for receiving a to be mounted on the respective plate cylinder 07, new pressure plate 101, wherein preferably each receiving device 141; 142; 143; 144 preferably has a plurality of storage positions each for ab howde, used printing plates 101 and to be mounted, new printing plates 101.
  • magazines 138; 139 are the shafts 141; 143 and 142, respectively; 144 each arranged at least substantially parallel to each other, d. H. they are preferably arranged one above the other in a layered construction. It can be z. B. a partition 147 in the respective printing forme magazine 138; 139 the shafts 141; 143 and 142, respectively; 144 separate from each other.
  • Each well 141, 143 and 142, respectively; 144 preferably has at least two memory positions for the printing plates 101 to be stored in them.
  • the printing form magazines 138; 139 each extend preferably over the length of the bale of the plate cylinder 07, but at least over the width B of the pressure plate 101 and assets in their respective shafts 141; 143 and 142, respectively; 144 a printing plate 101 preferably completely, d. H. their length L after record. Through an opening o38; o39 is in each case a pressure plate 101 to the plate cylinder 07 can be fed or from this in the well 141; 143 insertable.
  • the shaft 143 for the new plates to be mounted 101 is overhead and the shaft 141 for the used printing plates 101 is disposed below, while the printing forme magazine 139 for a plate changing device 11 b for feeding and discharging from below the shaft 144 for the used printing plates 101 is disposed above lying and the shaft 142 is disposed underneath for the new printing plates 101 to be mounted.
  • the printing form magazines 138; 139 may be movably mounted. Due to the movable arrangement of the printing forme magazines 138; 139 results in a better accessibility to the printing unit z. B. to carry out the work required there, z. B. Maintenance work.
  • the shafts 141; 143 and 142, respectively; 144 of the printing form magazines 138; 139 but at least the storage positions of the printing plates 101, horizontal or slightly inclined, preferably with less than 25 °, preferably aligned with less than 15 ° relative to the horizontal H, wherein the openings o38; o39 the printing form magazines 138; 139 advantageously to one of the openings 109 in that plate cylinder 07 points, with which the respective printing forme magazine 138; 139 cooperates.
  • a detent for example, a tapered pin 148 is referred to a movably arranged printing forme magazine 138; 139 to hold in its working position in front of the respective plate cylinder 07.
  • a detent for example, a tapered pin 148
  • In the working position of the printing forme magazine 138; 139 is at least one pressure plate 101 between the shafts 141; 142; 143; 144 and the plate cylinder 07 replaceable by either a no longer required for the execution of a print job pressure plate 101 removed from the plate cylinder 07 and into the slot 141; 142 introduced or a new execution of the print job pressure plate 101 from the Schacht1 143 143; 144 is led out and mounted on the plate cylinder 07.
  • FIG. 9 a plate cylinder 07 with two circumferentially offset by 180 ° channels 108 and two circumferentially successively arranged printing plates 101st
  • a pressure element 124 which can be actuated by pneumatic actuation on the plate cylinder 07, in the form of a pressure roller 124 or pressure roller 124, is located close to the plate cylinder 07.
  • An aligning device 151 pivotally mounted parallel to its axial direction has two diametrically arranged, wing-shaped laterally acting on a pressure plate 101 Attacks 152; 153 provided, wherein the alignment device 151 each with one of their stops 152; 153, a printing plate 101 to be mounted temporarily fixed during its feeding on the plate cylinder 07 imposetateieri.
  • a support 154 on which a to be mounted on the plate cylinder 07 first pressure plate 101 with its folded Ein vonbranches 113; 114 can be set up or stored.
  • a stored on the support 154 printing plate 101 is there z. B. with their entire extended length L on.
  • the suspension leg 114 at the trailing end 104 of the first pressure plate 101 is located in the shaft 143 on the side facing away from the printing cylinder 07 on a preferably vertical stop 156, the stop 156 of a conveyor 157 linear and parallel to the support 154 in the direction of the opening o38 the printing forme magazine 138 is movable in order to convey this first pressure plate 101 out of the shaft 143 by a translatory movement and preferably without deformation until the suspension leg 113 at the leading end 103 of this first pressure plate 101 can engage in the slot-shaped opening 109 of the printing cylinder 07.
  • the stopper 156 thus serves in the shaft 143 for the first pressure plate 101 as an abutment position and at the same time has the function of a slider 156.
  • the stop 156 z. B. advantageously also as a perpendicular to the support 154 standing, connected to the conveyor 157 register pin 156 may be formed so that with the application of the first pressure plate 101 to the stop 156 for them a pre-registration with respect to their side register.
  • the conveyor 157 is z. B. as a belt drive 157 or as a linear drive 157, preferably designed as a pneumatic linear drive 157, in particular as a rodless, double-acting linear drive 157.
  • a holder 158 in particular printing form holder 158 for holding at least a second pressure plate 101 to be mounted on the printing cylinder 07.
  • the second pressure plate 101 from the printing form holder 158 above the support 154, z. B. held by the fact that the printing form holder 158, for example, on the side facing away from the printing cylinder 07 side parallel to the support 154 movable piston 159 or slide 159, at the end of a holding element 161, z. B.
  • L-shaped angle 161 is arranged, wherein the second pressure plate 101 above the support 154 between the angle 161 of the extended slide 159 and arranged in the region of the opening o38 of the printing forme magazine 138 further holding member 162, z. B. a rigidly arranged stop 162 is clamped.
  • the distance a54 in this case has a value which preferably lies between twice and four times the length of the suspension element 114 at the trailing end 104 of the second pressure plate 101.
  • the clamping of the second pressure plate 101 takes place in that a clear distance a58 between the angle 161 of the extended slide 159 and the stop 162 is set shorter than the extended length L of the second pressure plate 101.
  • the stop 162 in the region of the opening o38 of the printing forme magazine 138 preferably has a chamfer 163, on which the suspension leg 113 can be supported on the leading end 103 of the second pressure plate 101, wherein the bevel 163 of the stop 162 and the L-shaped angle 161 on which the suspension leg 114 is supported on the trailing end 104 of the second pressure plate 101, facing each other. Since the second pressure plate 101 is flexible, in particular along its length L, it bulges in its clamped between the angle 161 and the stop 162 state.
  • the slider 159 of the printing plate holder 158 is preferably linearly parallel to the support 154 movable and preferably has two stable operating positions, namely a stable operating position in the retracted, the second pressure plate 101 releasing state and in the extended, ie the second pressure plate 101 chucking state.
  • a further shaft 141 which serves to receive pressure plates 101 removed from the printing cylinder 07.
  • This shaft 141 has a z. B. inclined support 172, which as well as the support 154 in the shaft 143 for providing on the printing cylinder 07 to be mounted pressure plates 101 is preferably not formed over the entire surface, but in the form of parallel strips 172 or slides 172.
  • the shaft 141 for receiving the printing cylinder 07 remote printing plates 101 below the shaft 143 for providing to be mounted on the printing cylinder 07 printing plates 101 which is a preferred, but not mandatory arrangement.
  • a preferred embodiment of the duct 141 provides that at least two pressure plates 101 can be stored next to one another in the shaft 141 in the axial direction of the pressure cylinder 07. This embodiment allows a particularly rapid removal of printing plates 101, in particular when at least two printing plates 101 can be arranged on the printing cylinder 07 in its axial direction, because a plurality of printing plates 101 can be removed simultaneously from the printing cylinder 07.
  • a distance a73 of the guide element 173 of the lateral surface 107 of the printing cylinder 07 is preferably not much greater than the length of the folded Einpatinlegeels 114 at the trailing end 104 of the pressure plate 101.
  • a sensor 191 On the guide member 173 may be mounted a sensor 191, either in contact with the printing cylinder 07 to be removed pressure plate 101 or advantageously contactless, z. B. inductive, checks whether the suspension leg 114 has actually solved at the trailing end 104 of the printing cylinder 07 to be removed pressure plate 101 after actuation of the arranged in the channel 108 of the printing cylinder 07 holding means 121.
  • the first ramp 174 is preferably rigidly connected to the support 172.
  • a stop 179 rigidly connected to the second ramp 177 is arranged a short distance behind the summit point 178, against which the suspension leg 114 abuts the trailing end 104 of the pressure plate 101.
  • the suspension leg 114 abuts against the stop 179 at the trailing end 104 of the pressure plate 101, it preferably engages behind the second ramp 177, in that the suspension leg 114 engages in the intermediate space formed by said distance.
  • the second ramp 177 and its associated stop 179 are connected by a Conveying device 181 linear and parallel to the support 172 movable to completely remove the printing cylinder 07 to be removed from the printing plate 101 into the slot 141 into it.
  • the conveyor 181, which forms in particular together with the steep flank on the second ramp 177 for the folded suspension leg 114 at the trailing end 104 of the pressure plate 101 a pressure plate 101 in the well 141 promotional entrainment is z. B. as a belt drive 181 or as a linear drive 181, preferably as a pneumatic linear drive 181, in particular as a rodless, double-acting linear drive 181 is formed.
  • a lift 182 in particular a pressure molding lifter 182 is arranged in the shaft 141, wherein the printing form lifter 182, for example, a preferably perpendicular to the support 172 movable piston 183, at the end of a z.
  • L-shaped, in particular U-shaped lifting arm 184 is arranged, wherein the bent suspension leg 114 is set at the trailing end 104 of the pressure plate 101 on the lifting arm 184 or set encompassing.
  • the printing form lifter 182 preferably has two stable operating positions, namely a stable operating position with the piston 183 retracted, in which the lifting arm 184 is below the level defined by the support 172, and another stable operating position with the piston 183 extended, in which the lifting arm 184 the pressure plate 101 removed from the pressure plate 101 of the support 172 lifts.
  • the printing form lifter 182 executes a stroke s82, which is greater than the length of the folded Einzzaniebels 114 at the trailing end 104 of the pressure plate 101.
  • the stroke s82 has a value between the single and double the length of Einphasenlegeels 114.
  • the printing form lifter 182 thus lifts a printing plate 101 removed from the printing cylinder 07 from a preliminary first storage position to a final second storage position.
  • the printing form lifter 182 in particular above its lifting arm 184 is a preferably arranged about a substantially parallel to the width B of the pressure plate 101 extending pivot axis pivotable securing element 186, for. B. in the form of a strip-shaped flap 186, whose or the lower edge is located at a distance a86 from the lifting arm 184, wherein the distance a86 is preferably dimensioned smaller than the length of the folded Einkorniebels 114 at the trailing end 104 of the pressure plate 101st
  • Fig. 9 indicates a direction arrow to the pivoting of the fuse element 186.
  • the securing element 186 secures a printing plate 101 raised by the printing form lifter 182 against unintentional slipping in the shaft 141 or removal from the shaft 141. Thus, an operator first has to pivot the securing element 186 before the lifted printing plate 101 can be removed from the shaft 141.
  • Fig. 11 to 14 By way of example, several stages of the process sequence for changing printing plates 101 on a plate cylinder 07 are assumed. First of all, two printing plates 101 are arranged in the upper shaft 143 to provide new printing plates 101 to be mounted on the printing cylinder 07, along the printing cylinder 07 from the periphery of two printing plates 101 are placed and that the lower slot 141 for receiving the printing cylinder 07 remote printing plates 101 is empty, ie free of printing plates 101, see. Fig.
  • the printing cylinder 07 rotates the opening 109 of a channel 108, in which the suspension leg 114 is held at the trailing end 104 of the pressure cylinder 07 to be removed pressure plate 101 by a holding means 121, in a first position, which is below the lower shaft 141 belonging to the guide member 173 is located.
  • the pressure element 124 is turned on the pressure cylinder 07 ( Fig. 11 ).
  • the holding means 121 is pivoted against the force of a spring element 122, whereby the suspension leg 114 at the trailing end 104 of the pressure plate 101 due to its elastic residual stress from the opening 109 snaps and on Guide member 173 abuts.
  • the employed pressure element 124 secures the pressure plate 101 against further release from the lateral surface 107 of the forme cylinder.
  • the pressure cylinder 07 then rotates counter to its production direction P and pushes the trailing end 104 of the pressure plate 101 into the shaft 141.
  • the suspension leg 114 first slides on the trailing end 104 of this pressure plate 101 along the guide element 173 and then positions itself on the first ramp 174 belonging to the shaft 141.
  • the suspension leg 114 slides the ramp 174 up to about the summit point 176 and then reaches the support 172.
  • the pressing member 124 is still employed on the printing cylinder 07, the pressure plate 101 is rotated by the rotation of the impression cylinder 07 against its production direction P in the slot 142nd inserted.
  • its suspension leg 114 at the trailing end 104 also overcomes the second ramp 177 connected to the conveying device 181 and abuts against the stop 179 connected to the second ramp 177.
  • the pressing element 124 is turned off by the printing cylinder 07.
  • the pressure plate 101 is now with its leading end 103 freely on the lateral surface 107 of the printing cylinder 07 on.
  • the printing cylinder 07 has performed from the release of the Einnosnlegeels 114 at the trailing end 104 until now less than half a turn.
  • the bent suspension leg 114 at the trailing end 104 has hooked between the second ramp 177 and the stop 179.
  • the conveying device 181 connected to the second ramp 177 and the stop 179 can now completely draw the pressure plate 101 into the shaft 141, cf. Fig. 11 ,
  • the pressure plate 101 is now removed from the printing cylinder 07 and is in its length L in the shaft 141. Its suspension leg 114 at the trailing end 104 rests on the summit point 178 of the second ramp 177, while its leading end 103 on the summit point 176 of the first ramp 174 rests, whereby at least the suspension leg 113 at the leading end 103 preferably hangs freely.
  • the storage of the printing plate 137 in the shaft 141 is thus preferably carried out by a support at two points, namely on the summit points 176; 178 of the two ramps 174; 177th
  • the z. B. pneumatically actuated printing form lifter 182 now raises the retracted into the well 141 pressure plate 101 at its trailing end 104 to briefly below the fuse element 186, wherein the suspension leg 114 rests on the associated with the printing forme lifter 182 lifting arm 184, see. Fig. 12 ,
  • the latter For mounting a printing plate 101 to be mounted on the printing cylinder 07, the latter first rotates counter to its production direction P into a receiving position.
  • the first pressure plate 101 to be mounted on the printing cylinder 07 is in contact with its suspension leg 114 at its trailing end 104 on the stop 156 connected to a conveying device 157.
  • the conveyor 157 is set in operation, so that the stop 156 in a direction preferably directed tangentially to the printing cylinder 07 movement the first printing plate 101 as far from the shaft 143, until its leading end 103 touches the Anschreibelement 124 attached to the printing cylinder 07 and the this leading end 103 bent support legs 113 between the rear in the production direction P of the printing cylinder 07 edge 117 of the opening 109 and the contact point 188 of the pressure element 124 on the impression cylinder 07, see. Fig. 13 ,
  • the printing cylinder 07 now changes its direction of rotation and begins to rotate in its production direction P, as a result of which the suspension leg 113 set up on the printing cylinder 07 projects at the leading end 103 of the printing plate 101 into the opening 109 slips and hooked form-fitting manner on the front edge 116 of the opening 109. Due to the further rotation of the printing cylinder 07 in its production direction P, the printing plate 101 is completely conveyed out of the shaft 143 and mounted on the printing cylinder 07. During the winding process, the pressure plate 101 is rolled onto the impression cylinder 07 by the pressing element 124 attached to the impression cylinder 07.
  • the pressing member 124 presses the folded suspension leg 114 at the trailing end 104 of the pressure plate 101 in the opening 109.
  • the holding means 121 in the opening 108 belonging to this channel 108 was released and is then in that Operating position brought in which it introduced into the opening 109 suspension leg 114 at the trailing end 104 of the pressure plate 101 z. B. fixed by a clamp.
  • the conveyor 157 drives the stop 156 connected to it again into its end position on the side facing away from the printing cylinder 07 side in the shaft 143, see. Fig. 14 ,
  • the pressure element 124 is turned off by the pressure cylinder 07 and the alignment device 151 pivots with its diametrical stops 152; 153 again preferably in a horizontal position.
  • a plate changing device 11a While in the Fig. 9 to 14 a plate changing device 11a has been explained, in which the supply and removal of printing plates 101 takes place from above, shows Fig. 15 a plate changing device 11b, in which the supply and discharge of printing plates 101 to a plate cylinder 07 from below takes place.
  • the plate changing device 11a is, for example, a Druckformmagazin assigned 138 while the plate changing device 11 b is associated with a printing plate magazine 139, see. Fig. 7 respectively.
  • Fig. 8
  • the structure and operation of the plate changing device 11 b according to Fig. 15 correspond substantially to the structure and operation of the plate changing device 11a according to Fig. 9 to 14 and, to that extent, reference may be made to the description herein.
  • the entire plate changing device 11b is mirrored to the plate changing device 11a about a horizontal plane, and accordingly, in the case of the plate changing device 11b, unlike the plate changing device 11a, the tray 142 receiving the new printing plates 101 is below and the tray 144 accommodating the used printing plates 101 arranged above it, which in addition to the plate changing device 11a brings some structural changes with it.
  • FIG. 16 and 17 correspond substantially to those according to FIG Fig. 1 respectively.
  • Fig. 2 so that reference is hereby made.
  • the same or corresponding components are provided with the same or corresponding reference numerals.
  • the embodiment according to Fig. 18 corresponds essentially to that according to Fig. 17 , in the case of Fig. 18 in addition, the alignment devices 151 are shown.
  • the axes of the satellite cylinder 18, a transfer cylinder 06 abutting thereto and the plate cylinder 07 cooperating therewith are each at least approximately on a straight line G, wherein the transfer cylinder 06 and plate cylinder 07 are diametrically opposed to each other on a satellite cylinder 18, eg 03; 04 or 21; 22 lie at least approximately on a common line.
  • the plate cylinder 07 on the one hand and the transfer cylinder 06 on the other hand are in pairs one above the other, in particular in pairs at least substantially vertically one above the other.
  • the arrangement may be such that the opening angle ⁇ 1 between a connecting straight line of the axis of rotation of the satellite cylinder 18 and the axis of rotation of a transfer cylinder 06 and a straight line connecting the axis of rotation of the satellite cylinder 18 and the axis of rotation of a further transfer cylinder 06 arranged above the transfer cylinder 06 between 90 ° and 40 ° is.
  • this opening angle ⁇ 1 is pointed and may preferably be between 75 ° and 55 °, in particular about 65 °.
  • the arrangement may be such that the opening angle ⁇ 2 between a connecting straight line of the axis of rotation of the satellite cylinder 12 and the axis of rotation of a transfer cylinder 06 and a connecting straight line of the axis of rotation of the satellite cylinder 18 and the axis of rotation of a next to the transfer cylinder 06 arranged further transfer cylinder 06 is blunt.
  • this opening angle ⁇ 2 can be between 140 ° and 110 °, more preferably between 135 ° and 115 °, in particular about 125 °.
  • the arrangement of the four transfer cylinders 06 of a nine-cylinder satellite printing unit 16 and 17, respectively Fig. 16 to 18 be such that they define the corners of a rectangle whose vertical height is greater than its horizontal width.
  • the above relationship applies in the case of the embodiment Fig. 2 for the respective front, the respective plate cylinder 07 facing portions of the plate changing devices 11a; 11b.
  • the two plate cylinder 07 of the printing units 03; 04 are arranged side by side in at least substantially horizontal direction; the two plate cylinders 07 are each assigned a plate changing device 11a and 11b; each plate changing device 11a; 11 b has a feed plane and a discharge plane, in particular through the respective shaft 143; 142 and 141, respectively; 144 of the corresponding printing form cartridge 138; 139 can be defined (cf. FIGS. 7 and 8 ); in a plate changing device 11a, the feeding plane 143 is disposed above the discharging plane 141, and in the other plate changing device 11b, the feeding plane 142 is below the discharging plane 144 arranged.
  • a third relationship applies, according to which the two plate cylinders 07 of the printing couples 03; 04 each at least one inking roller of an inking unit 09 and at least one dampening form roller of a dampening 08 is arranged directly cooperating, with the plate cylinder 07 each another cylinder 06, in particular a transfer cylinder 06 and a blanket cylinder 06 is arranged directly cooperating; the two plate cylinders 07 are each assigned a plate changing device 11a or 11b; a first peripheral region U1 of the plate cylinder 07 is defined by a connecting straight line of the axis of rotation of the plate cylinder 07 and the axis of rotation of the further cylinder 06 and a connecting line of the axis of rotation of the plate cylinder 07 and the axis of rotation of the dampening solution application roller of the dampening unit 08; a second peripheral region U2 of the plate cylinder 07 is defined by a connecting line of the axis of rotation of the plate cylinder 07 and the axis of rotation of the inking roller of the inking unit 09
  • a third circumferential region U3 of the plate cylinder 07 is defined, that of a connecting straight line of the rotation axis of the plate cylinder 07 and the rotation axis of the further cylinder 06 of the transfer cylinder 06, and a connecting line of the rotation axis of the plate cylinder 07th and the axis of rotation of the inking roller of the associated inking unit 09 is fixed, cf. eg Fig. 17 ,
  • the first peripheral region U1 and the second peripheral region U2 do not overlap, and preferably that the first peripheral region U1, the second peripheral region U2 and the third peripheral region U3 do not overlap.
  • first peripheral region U1 and second peripheral region U2 are arranged directly adjacent to one another, in particular that first circumferential region U1, second peripheral region U2 and third circumferential region U3 are arranged directly adjacent to one another.
  • the arrangement is preferably such that the first peripheral region U1, the second peripheral region U2 and the third peripheral region U3 form the total circumference of the plate cylinder 07.
  • the opening angle of the first peripheral region U1 is blunt or between 70 ° and 150 °, in particular between 90 ° and 130 °, preferably between 100 ° and 120 ° and in particular may be about 110 °.
  • the opening angle of the second peripheral region U2 is blunt, preferably between 110 ° and 190 °, in particular between 130 ° and 170 °, preferably between 140 ° and 160 ° and in particular may be about 150 °.
  • the opening angle of the third Peripheral region U1 is blunt or between 60 ° and 140 °, in particular between 80 ° and 120 °, preferably between 90 ° and 110 ° and in particular may be about 100 °.
  • the pressing element 124 described above which may be a pressure roller 124, is arranged alternately in the first peripheral region U1 and in the second peripheral region U2 in adjacent plate cylinders 07, corresponding to the arrangement of the plate changing device 11a or 11b. Furthermore, this pressure element 124, according to the arrangement of the plate changing device 11a and 11b, alternately arranged at adjacent plate cylinders 07 above and below the horizontal H.
  • the plate changing device 11a or 11b has a feed plane 143 or 142, which can either be arranged horizontally or with the horizontal H can include an angle between 0 ° and 40 °, in particular an angle smaller than 30 ° , Likewise, the plate changing device 11a and 11b on a discharge plane 141 and 144, which may also be arranged either horizontally or with the horizontal H can include an angle between 0 ° and 40 °, in particular an angle less than 30 °.
  • the feed level 143; 142 may be connected to the discharge plane 141; 144 include an acute angle or be parallel to it.
  • Fig. 1 In the case of the embodiment according to Fig. 1 is assumed by 6/2 printing units, ie plate cylinders with six adjacent pressure plates 101 in the axial direction and circumferentially two consecutive printing plates 101. Generally, however, it is assumed that the or each plate cylinder 07 in the axial direction has at least one pressure plate 101 , Preferably two or three or four or five or six or eight axially adjacent pressure plates 101. Furthermore, it is generally assumed that the or each plate cylinder 07 in the circumferential direction has at least one pressure plate 101, preferably two or four circumferentially successive printing plates 101st
  • Fig. 19 shows in this context a 6/2 double printing unit, namely a perspective view of a portion of a satellite printing unit 16 or 17, for example Fig. 16 consisting of the satellite cylinder 18 with the two printing units 21; 22 and 31, respectively; 32.
  • the transfer cylinder 06 or blanket cylinder 06 are each occupied by three in the axial direction juxtaposed elevators 13, in particular blankets 13, which are each rotated by 180 °.
  • the plate cylinders 07 are each occupied by six elevators 101, in particular pressure plates 101, arranged side by side in the axial direction, with two pressure plates 101 being arranged one behind the other in the circumferential direction.
  • printing plates 101 may preferably be provided in a manner not shown that seen in the plate changing device 11 in the axial direction of the plate cylinder 07 a plurality of printing plates 101 are arranged side by side.
  • each of the juxtaposed printing plates 101 is assigned at least one pressing element 124, wherein it is particularly preferred if each at least one pressure plate 07 associated pressing member 124 is independently operable by the other printing plates 101 associated pressing elements 124, so that the supply and discharge for each printing plate 101 can be performed independently of another printing plate 101.
  • this can a plurality of shaft-like areas 141; 142; 143; 144 or shafts 141; 142; 143; 144, wherein at least two shaft-like regions 141; 142; 143; 144 may be arranged side by side, but preferably the number of adjacent shaft-like regions 141; 142; 143; 144 corresponds to the number of on the associated plate cylinder 07 in the axial direction side by side can be arranged pressure plates 101.
  • the arrangement is expediently such that the plate changing device 11 has a number of printing plates 101 on the associated plate cylinder 07 corresponding number of adjacent feed chutes 142; 143 and a corresponding number of above or below the feed chutes 142; 143 arranged Abgradfabchten 141; 145 includes.
  • the number of adjacent feed chutes 142; 142 of the plate changing device 11 may be four or six in particular.
  • each printing plate 101 is in each case a channel 108 (cf. Fig. 4 ) or a portion of a channel 108 for receiving the angled front end 113 of each pressure plate 101 assign.
  • each printing plate 101 has a correspondingly long channel 108 is formed, which may be formed continuously in particular in the axial direction of the plate cylinder 07.
  • holding means 119 for holding the ends 113 of the printing plates 101 are provided in the channels (see FIG. Fig. 4 ), which in particular may comprise the holding means 121, the spring elements 122 and the adjusting means 123.
  • the drive concept of the respective nine-cylinder satellite printing unit 16 or 17 or of the printing tower 14 can be designed so that each plate cylinder 07 can be driven by a position-controlled drive motor (not shown) in a form-fitting manner independently of the other plate cylinders 07. In this way, a plate change on a plate cylinder 07 can be carried out independently of a plate change to another plate cylinder 07. Also can be expediently provided that each plate cylinder 07 each by means of a position-controlled drive motor form-fitting independent of the satellite cylinder 18 can be driven. In this embodiment, the satellite cylinder 18 advantageously have its own position-controlled drive motor.
  • the circumference of the satellite cylinder 18 corresponds to the circumference of the plate cylinder 07 or forme cylinder 07; in the case of a circumference of the plate cylinder 07 from one side, especially newspaper page, the circumference of the satellite cylinder 18 also corresponds to one side, especially newspaper page, in the case of a circumference of the plate cylinder 07 from two sides, especially newspaper pages, the circumference of the satellite cylinder 18 also corresponds to two sides, in particular newspaper pages.
  • the circumference of the satellite cylinder 18 is thus in the case of the first alternative mentioned above equal to the section length of the plate cylinder 07 and in the case of the second alternative mentioned above equal to twice the section length of the plate cylinder 07th
  • the circumferential ratio of the satellite cylinder 18 and the plate cylinder 07 can in particular be designed such that the circumference of the satellite cylinder 18 corresponds to an integral multiple of the section length of the plate cylinder 07.
  • the circumference of the plate cylinder 07 in particular and preferably correspond to two pages, especially newspaper pages.
  • Fig. 20 is an embodiment of a printing tower with two superposed nine-cylinder satellite printing units 16; 17, wherein the two satellite cylinders 18 have twice the diameter of the associated forme cylinder 07.
  • Fig. 21 is another embodiment of a printing tower with two superposed nine-cylinder satellite printing units 16; 17, wherein here the two satellite cylinders 18 have 1.5 times the diameter of the associated forme cylinder 07.
  • Fig. 22 is another embodiment of a printing tower with two superposed nine-cylinder printing units 16; 17, wherein here the two satellite cylinders 18 have 3 times the diameter of the associated forme cylinder 07.
  • the form cylinder 07 have, in particular as in the previous embodiment, the scope of two newspaper pages, ie in particular the double circumference of the plate cylinder 07 and / or the satellite cylinder 18 has 1.5 times the circumference of the transfer cylinder 06.
  • the nine cylinder satellite printing unit 16; 17; 18 arranged in a newspaper printing press d. H.
  • the printing plates 101 are preferably the size of a standing newspaper page (broadsheet) and / or two horizontal newspaper pages (tabloid).
  • the plate changing device 11; 11a; 11 b can be fixed or z. B. for maintenance, for. As the dampening 08, be placed in the frame 02 movable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Printing Methods (AREA)
EP09158226A 2006-01-31 2007-01-24 Unité d'impression avec plusieurs groupes d'impression ainsi que tour d'impression Not-in-force EP2103430B1 (fr)

Applications Claiming Priority (2)

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DE102006004330A DE102006004330B3 (de) 2006-01-31 2006-01-31 Druckeinheit mit mehreren Druckwerken
EP07726224A EP1931514B1 (fr) 2006-01-31 2007-01-24 Unité d'impression comportant plusieurs groupes d'impression, et tour d'impression

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EP07726224A Division EP1931514B1 (fr) 2006-01-31 2007-01-24 Unité d'impression comportant plusieurs groupes d'impression, et tour d'impression
EP07726224.4 Division 2007-01-24

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EP2103430A1 true EP2103430A1 (fr) 2009-09-23
EP2103430B1 EP2103430B1 (fr) 2010-03-10

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EP09158226A Not-in-force EP2103430B1 (fr) 2006-01-31 2007-01-24 Unité d'impression avec plusieurs groupes d'impression ainsi que tour d'impression
EP08153268A Withdrawn EP2008814A3 (fr) 2006-01-31 2007-01-24 Unité d'impression comprenant plusieurs groupe d'impression ainsi que tour d'impression.
EP07726224A Not-in-force EP1931514B1 (fr) 2006-01-31 2007-01-24 Unité d'impression comportant plusieurs groupes d'impression, et tour d'impression
EP08170464A Not-in-force EP2028007B1 (fr) 2006-01-31 2007-01-24 Unité d'impression comprenant plusieurs groupe d'impression

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EP08153268A Withdrawn EP2008814A3 (fr) 2006-01-31 2007-01-24 Unité d'impression comprenant plusieurs groupe d'impression ainsi que tour d'impression.
EP07726224A Not-in-force EP1931514B1 (fr) 2006-01-31 2007-01-24 Unité d'impression comportant plusieurs groupes d'impression, et tour d'impression
EP08170464A Not-in-force EP2028007B1 (fr) 2006-01-31 2007-01-24 Unité d'impression comprenant plusieurs groupe d'impression

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US (1) US7975610B2 (fr)
EP (4) EP2103430B1 (fr)
CN (1) CN101389477B (fr)
AT (3) ATE450373T1 (fr)
DE (8) DE202006020771U1 (fr)
WO (1) WO2007088132A2 (fr)

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Publication number Publication date
DE102006004330B3 (de) 2007-04-12
DE102006051219A1 (de) 2007-08-09
DE102006051220A1 (de) 2007-08-09
ATE450373T1 (de) 2009-12-15
EP2008814A2 (fr) 2008-12-31
EP2028007A2 (fr) 2009-02-25
ATE444172T1 (de) 2009-10-15
EP1931514B1 (fr) 2009-12-02
EP2028007A3 (fr) 2009-05-06
CN101389477A (zh) 2009-03-18
DE502007003110D1 (de) 2010-04-22
WO2007088132A3 (fr) 2007-11-29
WO2007088132A2 (fr) 2007-08-09
EP2103430B1 (fr) 2010-03-10
US20090255428A1 (en) 2009-10-15
DE202007018706U1 (de) 2009-02-19
DE202006020771U1 (de) 2009-12-24
EP2008814A3 (fr) 2012-08-29
CN101389477B (zh) 2010-12-01
ATE460283T1 (de) 2010-03-15
EP2028007B1 (fr) 2009-09-30
EP1931514A2 (fr) 2008-06-18
DE102006051220B4 (de) 2010-05-27
US7975610B2 (en) 2011-07-12
DE502007002168D1 (de) 2010-01-14
DE502007001647D1 (de) 2009-11-12

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