WO2005105443A1 - 製版装置及び再生式刷版の管理方法並びに中間スリーブ - Google Patents
製版装置及び再生式刷版の管理方法並びに中間スリーブ Download PDFInfo
- Publication number
- WO2005105443A1 WO2005105443A1 PCT/JP2004/006171 JP2004006171W WO2005105443A1 WO 2005105443 A1 WO2005105443 A1 WO 2005105443A1 JP 2004006171 W JP2004006171 W JP 2004006171W WO 2005105443 A1 WO2005105443 A1 WO 2005105443A1
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- WIPO (PCT)
- Prior art keywords
- plate
- carrier
- printing plate
- printing
- plate making
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/1075—Mechanical aspects of on-press plate preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
Definitions
- the present invention relates to a plate making apparatus, in particular, a structure of a plate making apparatus suitable for use in plate making (reproduction) of a regenerative printing plate used repeatedly, a method of managing a regenerative printing plate, and such a regenerative printing plate. And other suitable intermediate sleeves.
- the process of rewriting the pattern of the regenerative printing plate is performed by a special plate making device (plate reproducing device).
- a plate-making device provided on a printing press is called an on-press plate-making device, and a pattern can be rewritten while a printing plate is mounted on a plate cylinder.
- printing cannot be performed while the pattern is being rewritten, and printing plates to be replaced cannot be stocked in advance, resulting in wasted time and reduced production efficiency.
- FIG. 30 is a schematic diagram showing a configuration of a plate making apparatus described in Patent Document 1.
- a printing plate 5 16 is attached to a cylindrical support cylinder 101, and the support cylinder 501 is supported by a bearing 503 of a gantry 502 in a cantilever manner and driven by a motor. It has become.
- Processing units image forming unit 111, erasing unit 521, fixing unit 522, coating unit 523) are installed so as to be slidable with respect to the rungs 5 13 and these processing units 5 15
- the plates 101 are processed while the horizontal movement of the plates 52 1, 522 and 523 along the rotating support cylinder 501 is performed.
- the plate making device described in Patent Literature 2 is not shown here, but is configured so that the above-mentioned support cylinder is supported by two bearings using two bearings. .
- Patent Document 3 discloses a method of managing a reproducible printing plate, which can be simply described with reference to FIG. That is, as shown in FIG. 31, the printing plate 530 is assigned an identification number 531 and a file 532 corresponding to the identification number 531 is created and registered in the database 533.
- the file 532 is provided with a record column of the use status of the printing plate 530 such as a use schedule, an assigned job, the number of prints, and a deterioration state. Then, each time the printing plate 530 is used, the corresponding file 532 is read from the identification number 531 to record and update the usage status, or to judge deterioration from the usage status.
- Patent Document 3 states that by managing the use status of the printing plate 530 as described above, it is possible to uniformly determine the deterioration of the printing plate 530 and determine the use expiration date without excess or shortage. I have.
- the conventional plate making apparatus described in Patent Document 1 has the following two main problems. The first issue is that the processing speed (number of plate making per hour) is low.
- the support cylinder 501 is inserted in and out of the bearing 503 in the axial direction, so that a free space is required in the width direction of the apparatus.
- a free space is required in the width direction of the apparatus.
- the support cylinder is pulled out in the axial direction with one bearing being opened and the motor-side bearing being cantilevered. A wide space is required in the width direction of the device to replace the support cylinder.
- Patent Document 3 does not specifically describe the numbering position of the identification number 531 on the plate 5350, but if the numbering is performed on the plate surface, the printable area is limited. Will be lost. Furthermore, since the printing plate is overwritten during reproduction, there is a possibility that the identification number 531 cannot be read. In addition, when numbering is applied to the back side of the plate, the plate 530 is removed from the support (plate cylinder or the above-mentioned support cylinder) every time the identification number is read. Limit the number of views.
- the present invention has been made in view of such a problem, and provides a plate making apparatus capable of obtaining a high processing speed as a whole without increasing the processing speed of each processing apparatus. Aim.
- a first plate-making apparatus of the present invention includes a plurality of processing units corresponding to each step of the plate-making process one-to-one corresponding to at least the stages of the plate-making process. And a plurality of printing plates are successively transferred from one station to the next according to the order of the plate making process by a transfer device. According to this, a plurality of printing plates can be processed in parallel, so that a high processing speed as a whole can be obtained even if the processing speed of each processing device is the same as the conventional one.
- the plate making apparatus may of course be used for normal plate making, but preferably, when the plate is a regenerative plate, the plate making step includes a step of regenerating the plate surface of the plate. In this way, it is configured as a plate reproducing device and used for reproducing reproducible printing plates. By using this plate making device as a plate reproducing device, the processing speed required for rewriting a picture is improved, and it is possible to operate with a smaller number of printing plates.
- the processing device includes at least a pattern erasing device, a drawing wire coating device, a drying device, and a pattern writing device. .
- the transfer may be performed by the transfer device as it is, preferably, a printing plate is provided on the outer peripheral surface of the cylindrical carrier, and the transfer is performed by the transfer device integrally with the carrier.
- the printing plate may be provided on the outer peripheral surface of the carrier by not only fixing a flat plate-shaped printing plate around the outer peripheral surface of the carrier, but also inserting a seamless cylindrical gapless printing plate into the carrier. And those that use the outer peripheral surface of the carrier itself as a printing plate.
- a carry-in device having a pre-process stock portion for stocking one or more carriers before the plate-making process, and the carrier is carried into the transfer device from the pre-process stock portion.
- the loading device preferably has a pair of inclined rails supporting both ends of the carrier as a pre-treatment stock portion, and an on state provided on each inclined rail to restrict the rolling of the carrier. It has one or more stoppers that can select any of the off states that allow rolling, and carries the carriers one by one by switching the stoppers on and off. According to this, it is possible to stock and carry in the carrier with a simple configuration. Further, by supporting both ends of the carrier with the rails, it is possible to prevent the printing plate provided on the outer peripheral surface of the carrier from being damaged.
- the carry-in device has a judging device that judges the use status of the plate before being carried into the transfer device, and a rejected plate that is judged to be unsuitable for reproduction by the judging device. It is also preferable to provide a sorting device for taking out the equipped carrier from the carry-in line. By judging the suitability of the reproduction before carrying in and sorting as described above, waste processing does not occur, and the substantial processing capacity can be further improved. it can.
- the present plate-making apparatus may be provided with a carry-out device having a post-processing stock portion in which the carrier after the plate-making process is carried out from the transfer device and at least one carrier carried out is stocked. Having the carrier after processing available for stocking eliminates the need for the operator to stick to the carry-out area of the carrier, greatly improving workability.
- a configuration is preferable in which a pair of chuck devices on both sides are provided by at least the number of stations, and the carrier is conveyed while gripping the carrier by the chuck devices.
- the chuck device is configured to fit into the openings at both ends of the carrier, hold the carrier from both sides, and center the carrier with respect to a predetermined reference axis. In this way, the carrier is supported by the chuck device from both sides and handled, so that the carrier is not in its axial direction (machine width direction) but in the direction perpendicular to the reference axis (machine front direction).
- the space required for loading and unloading (exchanging plates) of the carrier can be reduced.
- Each station is preferably located on a circle centered on the horizontal axis.
- the transfer device is configured to sequentially transport the carriers from one station to the next station by revolving the chuck device around a horizontal axis.
- a carry-in / out station is provided at the lowermost or uppermost part of the above-mentioned circle, in which a carrier carried in from the outside is mounted on the chuck device, and a carrier subjected to plate making is removed from the chuck device and carried out.
- a carry-in station for mounting a carrier carried in from the outside to the chuck device is provided at the lowermost or uppermost part of the circle, and the carry-in station is opposed to the carry-in station of the lowermost or uppermost part of the circle.
- An unloading station for unloading the carrier subjected to plate making processing from the chuck device and unloading it outside may be provided. According to such a station arrangement, when an auxiliary device for automatically carrying in and out a carrier is provided, the installation is facilitated.
- each station may be arranged on a line, in which case the transfer device moves the carrier from one station to the next by moving the chuck device back and forth along the line. It is configured to be transported.
- the transfer device moves the carrier from one station to the next by moving the chuck device back and forth along the line. It is configured to be transported.
- a loading station for mounting a carrier loaded from the outside to the chuck device, and at the other end of the line, a carrier for removing the plate-making carrier from the chuck device and carrying it out.
- a station may be provided.
- a loading / unloading station may be provided at one end of the line where a carrier loaded from the outside is mounted on a chuck device, and a carrier subjected to plate making is removed from the chuck device and transported to the outside. According to such a station arrangement, when an auxiliary device for automating the loading / unloading of the carrier is provided, the installation is facilitated.
- the transfer device When the stations are arranged on a circle centered on the horizontal axis, the transfer device includes a rotating member supported on an ice flat axis and rotating about the horizontal axis. A configuration in which a device is provided can be adopted. Further, the transfer device may have a configuration in which a guide provided in the direction in which the stations are arranged, and an endless track member that rotates along the guide, and a check device is provided on the endless track member. . According to such a configuration, the degree of freedom in the layout of each processing device is increased, and therefore, even when each station is arranged on a circle centered on the horizontal axis, each station is arranged on a line. It can be applied to both cases.
- the chuck device apart from the configuration in which the chuck device is provided in the transfer device as described above, a pair of chuck devices on both sides are provided in each station, and the station and the transfer means are connected to and detached from the carrier by the chuck device. It is also possible to arrange so that the carrier is passed between the two. Also in this case, the chuck device is configured to fit into the openings at both ends of the carrier, hold the carrier from both sides, and center the carrier with respect to a predetermined reference axis. In this way, by supporting the carrier from both sides by the chuck device at each station, the carrier is provided to each station in a direction perpendicular to the reference axis, not in the axial direction (the device width direction), that is, by the transfer device. Carriers can be carried in and out in the transfer direction, making it easier to transfer carriers between the transfer device and each station.
- an adjusting device is provided in the plate making device so that the position of each processing device in each station can be adjusted according to the diameter of the carrier.
- the diameter of the carrier is determined according to the printing size and cut-off of the printing plate, it is possible to cope with carriers of various sizes by making the position of each processing apparatus adjustable as described above.
- a clean air supply device for supplying clean air around the printing plate at least until the printing material is applied to the printing plate and dried is provided. According to this, it is possible to prevent foreign matter from adhering to the plate surface, thereby preventing deterioration in print quality.
- the clean air supplied by the clean air supply device is the clean air supplied by the clean air supply device.
- the cleanliness is at least class 100 in the FED standard.
- the wind velocity of the clean air impinging on the plate surface is in the range of 0.1 to 3 mZs. Further, in order to supply clean air to the entire area of the plate surface where the image material is applied, it is preferable that the area of the clean air outlet is set to 50% or more of the application area.
- a series of processes are performed at least until the printing material is applied to the surface of the printing plate by the coating device and the coating film of the applied printing material is dried by the drying device.
- a chamber for isolating the space from the outside is provided, and clean air is supplied to this chamber by a clean air supply device.
- the pressure inside the chamber is set higher than that outside. According to this, it is possible to more effectively prevent dust from entering the chamber from the outside due to the pressure difference between the inside and the outside of the chamber.
- the pressure inside the chamber is set higher than the outside by 1 Pa or more, preferably 10 Pa or more.
- an exhaust device for forcibly exhausting the air in the chamber to the outside. According to this, dust generated inside the chamber can be eliminated, and the adhesion of dust to the plate surface can be more reliably prevented.
- a circulation system may be constructed in which the air exhausted by the exhaust device is circulated to the clean air supply device and reused as clean air after cleaning. According to this, no exhaust gas is emitted to the outside, so that the environment around the plate making apparatus is not affected.
- the amount of air blown by the clean air supply device may be fixed, but preferably it can be variably controlled.
- the control method in this case is as follows: More preferably, the degree of cleanness near the plate surface is measured by a measuring device (for example, a particle sensor), and feedback control is performed so that the measured value becomes a predetermined value. According to this, even when dust is generated inside the chamber or when dust enters from outside due to opening and closing of the chamber, the cleanliness inside the chamber can be quickly restored to a predetermined value.
- a measuring device for example, a particle sensor
- the clean air supply device uses a filter as a means for purifying air, the filter gradually becomes clogged with use. Therefore, even if the driving force of the air supply source such as a fan is constant, the air volume may decrease due to clogging of the filter. Therefore, preferably, a measuring device for measuring the pressure difference between the inside and outside of the chamber is provided, and the driving force of the air supply source of the clean air supply device is feedback-controlled so that the measured value becomes a predetermined value. Alternatively, a measurement device for measuring the wind speed of the supplied clean air is provided, and the driving force of the air supply source of the clean air supply device is feedback-controlled so that the measured value becomes a predetermined value. According to this, a constant air volume can be obtained even if the filter clogging progresses.
- the plate making apparatus it is preferable to further include a removing device for removing foreign substances adhered to the surface of the printing plate before the image forming material is applied by the applying device.
- a removing device for removing foreign substances include a suction method, a blowing method, a method of attaching to a sticky substance, and a method of wiping.
- the coating material is applied to the surface of the printing plate by the coating device, and the coating of the applied printing material is dried by the drying device. Adjust the suction direction or blowing direction so that the sucked or blown air does not enter the space where the series of processing is performed.
- the plate making apparatus includes a heating device and a clean air supply device. May be heated by the clean air. By supplying heated high-temperature clean air to the plate surface, drying of the coating film can be promoted, so that the probability of dust adhering to the coating film before drying can be further reduced.
- a developing station provided with a developing device that develops a pattern written on the plate surface of the printing plate is provided; a supporting member that supports the printing plate in a cylindrical body; It is preferable to provide a supply device for supplying a processing solution for development to the plate surface of the printing plate supported by the support member. Therefore, in the developing station, the printing plate to be subjected to the development processing is supported as a tubular body by the supporting member, and the processing solution for development is supplied to the plate surface of the printing plate supported by the supporting member by the supply device. Is supplied, and the pattern written on the printing plate is developed.
- the development processing can be performed outside the printing press, there is no possibility that the plate surface of the printing plate or the printing paper is stained by the leakage or dripping of the processing liquid or mist. Also, there is no need to consider interference with the ink roller group and dampening device arranged around the plate cylinder, and the degree of freedom in space design is extremely high. Furthermore, since the development processing is performed off-line, the processing can be performed in parallel with the printing by the printing press, and the operating rate of the printing press can be increased.
- the tubular body is positioned above the supply device at the developing station, and the supply device supplies the processing solution for development to the plate surface of the printing plate from below the tubular body.
- the supply device has a processing liquid supply member composed of a single or a plurality of nozzles, a spray, or a slit formed of a single or a plurality of plate members, and prints through the processing liquid supply member.
- a processing solution for development is supplied to the plate.
- the present developing device can adopt such an arrangement. According to this, since the processing solution can be supplied to the plate surface without difficulty, high development quality and high reliability can be obtained.
- the picture pattern erasing device is provided around the outer periphery of the reproducible printing plate having a cylindrical surface.
- a cleaning nozzle for spraying the cleaning agent toward the plate surface, a plate rubbing device for rubbing the plate surface, a water nozzle for spraying the water toward the plate surface, and a liquid recovery for recovering the water on the plate surface The device is preferably arranged and configured. According to this, the cleaning agent can be sprayed toward the printing plate by the cleaning nozzle, the printing plate supplied with the cleaning agent can be rubbed by the printing plate rubbing device, and water can be sprayed toward the printing plate by the water nozzle. It can be supplied by spraying, the water on the plate can be recovered by the liquid recovery device, and the image on the repro- ducible printing plate can be surely erased in a short processing time.
- the output device is configured to automatically output an abnormal signal to a mobile terminal (a mobile phone, a PHS, or the like) of an operator via a telephone line. By using telephone lines in this way, it is possible to contact operators without developing special infrastructure.
- a second plate-making apparatus of the present invention includes a printing plate provided on an outer peripheral surface of a cylindrical carrier, and fitting the chucking device to openings at both ends of the carrier.
- the carrier is gripped from both sides and is centered with respect to a predetermined reference axis.
- One or more processing units are arranged toward the carrier centered by the chuck device, and the carrier is supported on the printing plate supported by the carrier.
- a carrier before processing is carried in a direction perpendicular to the reference shaft between the pair of chuck devices, and a carrier perpendicular to the reference shaft is inserted between the pair of chuck devices. It is characterized in that the carrier after the plate-making process is carried out in the direction.
- the handling of the printing plate is facilitated and the printing plate is prevented from being damaged.
- the space required for carrying in and out the carrier (exchanging plates) can be reduced by supporting the chuck from both sides. Therefore, less space is required for installation of the device, and automation of plate exchange becomes easier.
- a first method for managing a regenerative printing plate of the present invention is a method for managing a regenerative printing plate used particularly in a state of being mounted on a cylindrical carrier, First, a plate identification number is assigned to each regenerative printing plate, a carrier identification number is assigned to each carrier, and a file for recording the usage status of each regenerative printing plate is assigned a plate identification number. Create each time. When a renewable printing plate is used, the plate identification number shall be recorded in a table corresponding to the carrier identification number of the carrier on which the renewable printing plate is mounted.
- the carrier identification number is read from the carrier, the printing plate identification number corresponding to the read carrier identification number is searched from the table, and the file corresponding to the printing plate identification number is reproduced in the file. Record and update lithographic plate usage.
- the reproducible printing plate can be managed by the carrier identification number linked to the printing plate identification number. For example, even if the printing plate identification number is assigned to the back side of the printing plate. Frequently, it is possible to eliminate restrictions on numbering plate identification numbers.
- the number itself may be recorded on the side surface of the carrier, or the number may be converted into a barcode and attached.
- a radio-readable data storage device microchip, IC tag, etc.
- the carrier identification number is stored in this data storage device. According to this, the identification number information is not lost even in a bad environment where a solvent or the like is applied.
- the data storage is embedded in the carrier.
- a second method for managing a regenerative printing plate of the present invention is provided.
- When rewriting the pattern on the regenerative printing plate reads the usage data on the plate and temporarily stores it in memory prior to playback.
- the usage data temporarily stored in the above-mentioned memory together with the new picture is updated, and then written on the reproducible printing plate.
- a third method of managing a regenerative printing plate includes the steps of: Create a file to record the usage status of the plate for each plate identification number, and when rewriting the pattern of the reproducible plate, read the plate identification number on the plate prior to reproduction and temporarily store it in memory At the same time, the usage status of the reproducible printing plate is recorded and updated in the file corresponding to the read printing plate identification number, and after playback, the printing plate identification number temporarily stored in the above memory along with the new pattern is used. Write it on the reprintable printing plate. As described above, by using the function of the repro- ducible printing plate to write the plate identification number each time reproduction is performed, it is possible to read the plate identification number regardless of the overwriting of the picture.
- the intermediate sleeve of the present invention applicable to the plate making apparatus and the reproducible printing plate is a sleeve which functions as a plate cylinder or a blanket cylinder of a printing press when mounted on a central shaft provided in a printing press. It is characterized in that a composite material of microballoon and resin is used as a constituent material.
- Microballoons are low in specific gravity and excellent in compression resistance and heat resistance.Thus, by using a composite material of microphone mouth balloon and resin as a constituent material in this way, lightweight, high strength and high heat resistance are provided. An intermediate sleeve can be realized.
- a resin such as an epoxy resin, a glass such as a soda-lime silicate glass, or a ceramic can be used. The size (diameter) is preferably in the range of 10 to 20 ⁇ .
- any type of resin for example, an epoxy resin, an unsaturated polyester resin, a polyurethane resin, a phenol resin, or a melamine resin can be used. Which one to select may be determined according to the required characteristics and molding method.
- the intermediate sleeve may be integrally molded from the above-mentioned composite material, or may be constituted by a plurality of layers, and at least one layer may be formed from the above-mentioned composite material.
- the content of microballoons in the composite material is preferably 50% or more in consideration of specific gravity, compressibility, and heat insulation. In the latter case, a layer on the surface or near the surface may be formed of the above-described composite material and used as a heat insulating layer.
- the intermediate sleeve of the present invention is excellent in heat insulation, it is also suitable as a means for supporting the reproducible printing plate when the plate is regenerated.
- a regenerative printing plate is provided on the surface of the intermediate sleeve, and the plate is regenerated as it is on the intermediate sleeve.
- the intermediate sleeve may be equipped with a regenerative printing plate.
- the surface of the intermediate sleeve may be used as a printing plate, a seamless cylindrical printing plate may be mounted on the intermediate sleeve, or a flat printing plate may be used.
- the printing machine may be provided with a central shaft on which such an intermediate sleeve is mounted, and the intermediate sleeve may be mounted on the central shaft so as to function as a plate cylinder or a blanket cylinder.
- the printing plate or blanket replacement is performed by removing the intermediate sleeve from the center axis and replacing it with the printing plate or blanket.
- the intermediate sleeve since the intermediate sleeve is lightweight, it is easy to replace the plate or the blanket when replacing the plate. At the same time, the intermediate sleeve has excellent strength and is not easily deformed, so that high printing accuracy can be obtained.
- the intermediate sleeve of the present invention comprises a detachable outer sleeve and an inner sleeve. It is also possible to have a double structure consisting of In this case, at least one of the outer sleeve and the inner sleeve is integrally molded with the composite material, or at least one of the outer sleeve and the inner sleeve is composed of a plurality of layers, and at least one layer is formed of the composite material. Formed by In the latter case, a layer on or near the surface of the outer sleeve may be formed of the above-described composite material to serve as a heat insulating layer.
- Such a double-layered intermediate sleeve is also suitable as a means for supporting the plate when regenerating the regenerative printing plate, and in this case, the outer sleeve functions as a means for supporting the plate. . Therefore, when replacing the plate, only the outer sleeve needs to be replaced, which is lighter than replacing the entire sleeve including the inner sleeve, so handling is easier.
- a printing press may be configured as a variable cut-off printing press using the above-described intermediate sleeve. That is, it has a central shaft on which the intermediate sleeve is mounted, and functions as a plate cylinder or blanket cylinder by mounting the intermediate sleeve on the central shaft. Changing the cutoff length is done by replacing the intermediate sleeve with one with a different outer diameter. As described above, since the intermediate sleeve is lightweight, it is easy to replace the cut-off length when changing the cut-off length, and at the same time, has high strength and is hardly deformed, so that high printing precision can be obtained.
- a printing machine may be configured as a variable cut-off printing machine using an intermediate sleeve having a double structure including an outer sleeve and an inner sleeve.
- This printing press also has a central shaft on which the intermediate sleeve is mounted, and the intermediate sleeve is mounted on the central shaft to function as a plate cylinder or a blanket cylinder.
- the cutoff length is changed by replacing the intermediate sleeve with one with a different outer diameter, but the plate or blanket is replaced by replacing the outer sleeve with the plate or blanket. Done.
- Plate exchange or blanket exchange is more frequent than cutoff length change
- the entire sleeve including the inner sleeve can be replaced.
- the operator's work load can be further reduced.
- FIG. 1 is a schematic diagram showing a configuration of a plate making apparatus according to a first embodiment of the present invention.
- FIG. 2 is a schematic view showing the structure of a carrier for mounting a printing plate.
- FIG. 3 is a schematic view showing an example of the structure of the chuck device.
- FIG. 4 is an explanatory diagram for explaining the operation of the check device of FIG.
- FIG. 5 is a schematic view showing another example of the structure of the chuck device.
- FIG. 6 is a schematic diagram showing the configuration of the carrier carrying-in device and the carrier carrying-out device.
- FIG. 7 is a view in the direction of arrows A—A in FIG.
- FIG. 8 is a configuration diagram of a renewable printing plate management system as a first embodiment of the present invention.
- FIG. 9 is a flowchart showing a method of managing a renewable printing plate as a first embodiment of the present invention.
- FIG. 10 is a configuration diagram of the abnormality notification system.
- FIG. 11 is a schematic diagram showing a configuration of a plate making apparatus according to a second embodiment of the present invention.
- FIG. 12 is a schematic diagram showing the configuration of a plate making apparatus according to a third embodiment of the present invention.
- FIG. 13 is a configuration diagram of a renewable printing plate management system as a fourth embodiment of the present invention.
- Fig. 14 Flow chart showing a method of managing a renewable printing plate as a fourth embodiment of the present invention It is a chart. .
- FIG. 15 is a configuration diagram of a management system for a renewable printing plate as a fifth embodiment of the present invention.
- FIG. 16 is a flowchart showing a method of managing a renewable printing plate as a fifth embodiment of the present invention.
- FIG. 17 is a schematic diagram showing the configuration of the first embodiment of the clean air supply device according to the present invention.
- FIG. 18 is a schematic view showing a modified example of the clean air supply device according to the present invention.
- FIG. 19 is a schematic diagram showing the configuration of a second embodiment of the clean air supply device according to the present invention.
- FIG. 20 is a plan view in the direction of arrows A1-A1 in FIG.
- FIGS. 21 (a) to 21 (e) are schematic diagrams of a configuration example of the processing liquid supply device.
- FIG. 22 is a schematic configuration diagram of an image erasing apparatus for a regenerative printing plate according to the present invention.
- FIG. 23 is a flowchart illustrating a method of erasing an image on a reproducible printing plate according to the present invention.
- FIG. 24 is a schematic diagram showing a configuration of a printing machine for explaining a first embodiment of the intermediate sleeve according to the present invention.
- FIG. 25 is a schematic cross-sectional view showing the configuration of the first embodiment of the intermediate sleeve according to the present invention.
- FIG. 26 is a schematic cross-sectional view showing the configuration of the second embodiment of the intermediate sleeve according to the present invention.
- FIG. 27 is a schematic cross-sectional view showing the configuration of the intermediate sleeve according to the third embodiment of the intermediate sleeve according to the present invention.
- FIG. 28 is a schematic cross-sectional view showing the configuration of the intermediate sleeve according to the fourth embodiment of the intermediate sleeve according to the present invention.
- FIG. 29 is a schematic exploded perspective view showing the configuration of the intermediate sleeve according to the fifth embodiment of the intermediate sleeve according to the present invention.
- FIG. 30 is a schematic diagram showing the configuration of a conventional plate making apparatus.
- FIG. 31 is a configuration diagram of a conventional renewable printing plate management system. ⁇
- FIG. 32 is an explanatory diagram for explaining the problem of the conventional plate making apparatus. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a schematic diagram showing a configuration of a plate making apparatus according to a first embodiment of the present invention
- FIG. 2 is a diagram showing a mode of handling a printing plate in the present embodiment.
- the printing plate is a reproducible printing plate that can be used repeatedly by rewriting a pattern
- the plate making device is configured as a plate reproducing device having a plate making function as well as a plate making function.
- a printing plate (reproducible printing plate) 1 is wound around and fixed to the outer peripheral surface of a cylindrical carrier 2.
- the method of fixing the printing plate 1 to the carrier 2 can be the same as the method of fixing the printing plate to the plate cylinder, for example.
- the length of the carrier 2 in the axial direction is set to be longer than the width of the printing plate 1, and the both ends are formed to have some extra space.
- the plate-shaped printing plate 1 is wound around the outer peripheral surface of the carrier 2, but a seamless cylindrical gear press printing plate may be mounted on the carrier 2, or the outer periphery of the carrier 2 may be mounted.
- the surface itself may function as a reproducible printing plate.
- a hole (opening) 2 a penetrating in the axial direction is formed in the center of the carrier 2.
- the holes 2a are used when handling the carrier 2 in the plate making apparatus.
- the carrier 2 can be used not only as a tool for transporting the printing plate 1 but also as a plate cylinder by being mounted on a printing machine (not shown).
- the mounting of the carrier 2 to the printing press can be performed by providing a rotary shaft at a position where the plate cylinder is disposed, and fitting the hole 2a to the rotary shaft. Note that a plurality of types of carriers 2 having different thicknesses, that is, having the same inner diameter (diameter of the hole 2a) and different outer diameters are prepared.
- the print size and cut-off are determined by the circumference of the plate cylinder, but by preparing carriers 2 of various thicknesses in this way, changing the carrier 2 to a different thickness allows the circumference of the plate cylinder to be changed.
- the length can be changed, and it is possible to respond to changes in print size / cutoff.
- the plate making device 10 is a so-called out-of-machine plate making device installed separately from a printing press (not shown).
- the carrier 2 on which the plate 1 is mounted is an external device. After the plate 1 has been regenerated and processed, it is again transported outside. By being configured as an out-of-machine plate making device, the plate 1 can be regenerated in parallel with printing by the printing press.
- an on-press plate making device integrated with a printing press it is necessary to provide a plate making device for each printing unit, but in the case of an external plate making device such as this plate making device 10 which is arranged separately from the printing press.
- the carrier 2 carried in from outside is first carried to the carry-in standby station S0 in the apparatus. Then, the wafers are sequentially transferred from the carry-in standby station S0 to the fourth processing station S4 by a transfer device such as a conveyor. Book
- four processing stations S1 to S4 are provided. The processing stations S1 to S4 are arranged at 90 ° intervals on a circle centered on a predetermined horizontal axis ⁇ 1, and the fourth processing station S4 is located at the bottom of the cycle. are doing.
- Each of the processing stations S1 to S4 is assigned a respective one of the plate making steps.
- the plate making process includes a pattern erasing process, an image wire coating process, a drying process, a pattern writing process, and a developing process, of which the pattern erasing process is the first process.
- the station S 1 is assigned to the second processing station S 2 for the image wire coating and drying steps, the pattern writing step to the third processing station S 3, and the developing step to the fourth processing station S 4.
- the above steps are merely examples, and the number and contents of the steps vary depending on the type of plate making method and regenerating method. Also, the number of processing stations and the allocation of steps are merely examples, and the number of processing stations may be increased or decreased according to the plate making method or the reproducing method, or the allocation of steps to each processing station may be changed.
- Each of the processing stations S1 to S4 is provided with a processing device according to the assigned process.
- a cleaning device 10 is installed in the first processing station S1.
- the cleaning device 30 is composed of a water washing device 30a and a cloth washing device 3Ob, and after washing the ink, dampening water, paper powder, etc. adhering to the plate surface of the printing plate 1, the cloth material is washed.
- the ink on the plate surface is wiped off by the wound roller.
- the second processing station S2 is provided with a coating device 31 and a drying device 32.
- the coating device 31 applies a roller to the plate surface of the printing plate 1 with a roller, and the drying device 32 heats and dries it by the heat of a halogen lamp.
- the third processing station S3 is provided with a laser writing device 33.
- the laser writing device 33 writes a new pattern by irradiating the plate surface of the printing plate 1 with laser light.
- the developing device 34 is installed in the housing S4.
- the developing device 34 applies a developing solution to the plate surface of the printing plate 1 with a roller, and further applies a fixing solution, so that the pattern written by the laser writing device 33 is developed.
- the position of each of the processing devices 30 to 34 can be adjusted according to the thickness of the carrier 2 by a position adjusting device (not shown).
- the carrier 2 is selected to have a thickness corresponding to the print size and cut-off of the printing plate 1 to be mounted, so that the position of each processing device 30 to 34 can be adjusted, Carrier 2 of various sizes can be supported.
- the processing devices 30 to 34 listed above are merely examples, and it is a matter of course that other processing devices can be provided according to the processing content of the process.
- the carrier 2 carried into the fourth processing station S4 becomes the first processing station S1
- Each processing is performed while being sequentially transferred to the second processing station S 2 and the third processing station S 3, and then transferred again to the fourth processing station S 4 where the processing is performed.
- the carry-out waiting station S5 is provided on the opposite side of the carry-in waiting station S0 across the fourth processing station S4, and the carrier 2 is sequentially transported to the outside from the carry-out waiting station S5. .
- the carrier 2 cannot be transferred to the next station until the processing in all the processing stations S1 to S4 is completed. Therefore, when the processing time at each of the processing stations S1 to S4 varies, for example, when only one processing time is long, a waiting time occurs at another processing station, and the processing time is reduced. The processing speed as a whole will not increase. Therefore, in order to maximize the advantages of parallel processing, the process allocation to each processing station S1 to S4 should be set so that the processing time at each processing station S1 to S4 is approximately equal. It is necessary to select the processing capacity of each processing apparatus 30 to 34 or to set the number of processing stations.
- the carrier 2 is supported by a pair of chuck apparatuses 20 on both sides.
- the chuck device 20 is provided in a transfer device 11 that transfers the carrier 2.
- the transfer device 11 includes arms (rotating members) 11a rotatably supported on the horizontal axis 01 at intervals of 90 degrees, and the chuck device 20 is attached to each end of these arms 11a. I have.
- the transfer device 11 rotates these arms 11a by 90 degrees in accordance with the completion of the processing in each of the processing stations S1 to S4.
- the carrier 2 transferred from the loading standby station S0 to the fourth processing station S4 is After being mounted on the chuck device 20 in the section S 4 and set in the transfer device 11, the arm 11 1 a rotates around the circle with the rotation of the arm 11 a, and is then removed again from the chuck device 20 in the fourth processing station S 4 and carried out. It is transported to the standby station S5.
- the chuck device 20 also functions as a shaft portion to which the carrier 2 is attached and detached, and constitutes a support member that supports the printing plate 1 together with the carrier 2.
- the carrier 2 is mounted on the chuck device 20. Then, the carrier 2 is centered, and the printing plate 1 is positioned at each of the processing stations S1 to S4.
- FIG. 3 shows an example of the structure of the chuck device 20.
- the chuck device 20 has a rotating shaft 22 rotatably supported on the arm 11a via a bearing 23, and a clutch 21 is provided at the tip of the rotating shaft 22.
- the clutch 21 has a conical surface 21a, and the left and right clutches 21 and 21 have a predetermined reference axis whose axis is parallel to the horizontal axis O1. The position has been adjusted to match 2.
- Each of the clutches 21 and 21 can be moved in and out in the axial direction by an actuator (not shown).
- the clutches 21 and 21 are adapted to grip the carrier 2 from both sides by engaging with the openings on both sides of a hole 2a provided in the center of the carrier 2 respectively.
- the conical surface 2 b is also formed at the opening of the carrier 2, and the axis of the conical surface 2 b coincides with the axis of the carrier 2.
- the carrier 2 is automatically centered on the reference shaft 02. I have.
- Positioning of the carrier 2 in the rotational direction is performed, for example, by providing a groove 2 c on the conical surface 2 b of the opening of the carrier 2 and providing a key 2 lb on the conical surface 21 a of the clutch 21. What is necessary is just to make 1b and groove 2c engage.
- each processing device 30 to 34 is fixed.
- the plate making process is performed on the printing plate 1 while rotating the carrier 2 to rotate the carrier 2.
- the driving force is transmitted from a motor (not shown) to the rotating shaft 22 of the chuck device 20. It is realized by doing.
- This mode can be provided in the transfer device 11 for each chuck device 20, or can be provided in each of the processing stations S1 to S4.
- the carrier 20 is supported and supported by the chuck device 20 from both sides, and the carrier 2 is moved to the fourth processing station S4, which is the loading / unloading station, as shown in FIG. It can be loaded and unloaded from the front direction (perpendicular to the reference axis O2). Therefore, according to the plate making apparatus 10, the carrier 2 is carried in and out compared to the conventional case where the support cylinder 101 is taken in and out of the bearing 103 in the machine width direction (see FIG. 19).
- the space required for (plate exchange) can be reduced, and there is an advantage that restrictions in the width direction of the apparatus for installing the plate making apparatus 10 are reduced.
- the configuration of the chuck device 20 described above is merely an example, and other configurations, for example, a configuration as shown in FIG. 5 can be employed.
- the configuration shown in FIG. 5 is such that at least three or more claws 26 that are inserted and removed in the radial direction are provided on the clutch 25, and each of the claws 26 is engaged with the inner peripheral surface of the hole 2a of the carrier 2. It is what was done.
- the carrier 2 is automatically centered with respect to the reference axis O 2 by controlling the actuator 27 that expands and contracts the nail 26 so that the amount of extension of each nail 26 becomes equal. be able to.
- the carrier 2 can be positioned in the rotational direction by engaging the key 25 a provided on the clutch 25 with the groove 2 d provided on the carrier 2.
- FIG. 6 and FIG. 7 are schematic views showing the configurations of a carrier carry-in device and a carrier carry-out device combined with the plate making apparatus.
- the carrier carry-in device 12 includes a pair of left and right rails 13 and a plurality of stoppers 14 provided on the rail 13. Two rails 1 3, 1 3 support both ends of carrier 2
- the carrier 2 is disposed so as to be adjusted so that the carrier 2 rolls toward the plate making device 10.
- the rails 13 function as a loading machine for automatically charging the carrier 2 into the plate making apparatus 10 and also function as a pre-processing stock section for stocking a plurality of carriers 2 before the plate making process.
- the support surface on which the rails 13 and 13 support the carrier 2 is formed in a V-shape, so that the positioning of the carrier 2 in the width direction of the device can be easily performed. +
- the stoppers 14 are provided for preventing the rolling of the carrier 2 on the rails 13 and for positioning, and engage the margins of the both ends of the carrier 2 where the printing plates 1 are not wound.
- the stopper 14 is mounted so that it can be tilted forward. By tilting the stopper 14, the carrier 2 can be rolled along the rail 13 and can be sequentially moved forward.
- the stopper 14 is raised and tilted by an actor (not shown), and the raising / tilting operation is linked to the movement of the carrier 2 in the plate making device 10.
- the stopper 14 is tilted and the carrier 2 is sent from the rail 13 to the loading standby station S 0, and the rail
- the stopper 14 stands up and stops the rolling of the carrier 2.
- the carriers 2 can be stocked on the rails 13, so that the carrier 2 can be continuously loaded without interruption, thereby further increasing the processing capacity. Can be.
- the simple configuration of the rails 13 and the stoppers 14 reduces the cost, and the carrier 2 can be carried into the plate making apparatus 10 from the front side of the apparatus, so that the installation space can be reduced.
- the carrier unloading device 15 is a pair of left and right similarly to the carrier loading device 12. And a plurality of stoppers 17 provided on the rail 16.
- the structures of the rail 16 and the stopper 17 are the same as those of the carrier loading device 12.
- the rail 16 functions as a post-processing stock section for stocking the carrier 2 after the plate making process.
- the stopper 17 tilts immediately before the carrier 2 is unloaded from the unloading standby station S5, rolls each carrier 2 on the rail 16 along the rail 16 and advances each carrier 2 one by one. It is controlled to stand up again at the point and stop the rolling of carrier 2.
- the carrier unloading device 15 having such a configuration, the carrier 2 after the plate-making process can be stocked on the rail 16, so that the operator receives the plate-formed carrier 2 by the operator to receive the carrier 2 after the plate-making process. This eliminates the need to stick to the surface, greatly improving workability.
- the rail 16 and the stopper 17 have a simple configuration, so that the cost is low and the carrier 2 can be pulled out from the plate making device 10 in the front direction of the device. Less space is required. Further, since the rails 16 support both ends of the carrier 2, the printing plate 1 provided on the outer peripheral surface of the carrier 2 is not damaged.
- the plate-making apparatus 10 is provided with a clean air supply device 19 for supplying clean air into the device 10 as shown in FIG. Have.
- a bar coater is applied to the printing plate 1 and dried. If foreign matter adheres to the plate surface at this time, the effect appears as printing defects during printing. Therefore, in the plate making apparatus 10, the clean air supply apparatus 19 constantly supplies clean air (for example, air having a cleanness of 1000 or more) into the plate making apparatus 10, thereby preventing foreign matter from adhering to the plate surface. This prevents print quality from deteriorating.
- clean air is supplied to the entire plate making apparatus 10 but is limited to the periphery of the second processing station S2, that is, at least printing plate 1 is coated with barco overnight and dried. Until clean air is supplied around plate 1. Is also good.
- the printing plate 1 is managed by the following method.
- the management method according to the present embodiment is a method applied to a printing plate 1 that can be removed from the carrier 2, and that the peripheral surface of the carrier 2 itself functions as a printing plate is a method according to the present embodiment. Not applicable.
- description will be given in accordance with the flowchart of FIG. 9 while referring to the system configuration diagram of FIG.
- a plate identification number is assigned to plate 1 and a carrier identification number is assigned to carrier 2 as shown in FIG.
- the identification numbers are converted into a personal code, and the barcode seals 36 and 37 are attached.
- a bar code seal 36 is attached to the back of the printing plate 1 and a bar code seal 37 is attached to the side of the carrier 2.
- a computer 40 having a function of judging the use status (reproducibility / non-permission) of the printing plate 1 (this function part corresponds to the judging device according to the present invention) is provided.
- a file 4 2 for recording the status of use of each plate 1 (reproduction count, number of prints, period of use, etc.) is created for each plate identification number, and the plate identification number and Table 43 for linking with the carrier identification number is also created.
- the printing plate identification number is read from the bar code seal 36 by the bar code reader 38 (step A10), and the bar code of the carrier 2 on which the printing plate 1 is mounted is used.
- the carrier identification number is read from the sticker 37 (Step A20). Then, the read plate identification number and the carrier identification number are recorded in the table 43 in correspondence with each other (step A30).
- step A40 when assigning a new job to plate 1 (step A40), The carrier identification number is read from the carrier 2 (step A50), the plate identification number corresponding to the read carrier identification number is searched from the table 43, and the file 42 corresponding to the plate identification number is stored in the database. 4 Read from 1 (Step A60). Next, it is determined whether or not the printing plate 1 can be reproduced based on the current usage status recorded in the file 42 (step A 70). If the reproduction is determined to be impossible, a message indicating that plate exchange is necessary is displayed on the display 40a (step A100).
- the reproduction and prepress processing are performed by the prepress device 10 (step A80), and data such as the contents of the current job (number of prints) and the number of reproductions are stored in a file. Record in 4 and update (Step A 90).
- the printing plate 1 can be managed by the carrier identification number linked to the printing plate identification number, the printing plate identification number is assigned to the back surface of the printing plate 1 as described above. It is also possible to eliminate the restriction in assigning the plate identification number to the plate 1. Further, since it is not necessary to remove the printing plate 1 from the carrier 2 every time the reproduction process is performed to check the printing plate identification number, the printing plate 1 can be prevented from being damaged. Therefore, according to this method, management of the printing plate 1 becomes easy. In addition, it is preferable to determine whether or not the reproduction can be performed before the plate making process in the plate making device 10 before the carrier 2 is carried into the processing stations S1 to S4. In the case shown in FIG.
- a par code reader 38 is installed at the carry-in standby station S0, and the carrier identification numbers are read from all the carriers 2 carried in from the carrier carry-in device 12 to make the printing plate 1 read. Is determined as to whether or not reproduction is possible.
- the carrier 2 is carried into the fourth processing station S4, while for the printing plate 1 determined to be unreproducible, the carrier 2 is ejected from the line ( This functional portion corresponds to the sorting device according to the present invention), and a new carrier 2 is loaded from the carrier loading device 12 into the loading standby station S0. In this way, before printing By judging the adequacy of the raw and selecting the carrier 2, waste processing does not occur in the plate making apparatus 10, and the substantial processing capacity can be further improved.
- a method of numbering the carrier identification number to the carrier 2 in addition to the method of attaching the bar code sticker 37 as described above, a method such as a chip with a carrier identification number recorded thereon or an IC tag, etc. Another method is to attach the storage device to the carrier 2. In an environment where printing is performed, a solvent or the like may be applied to the carrier 2, but by storing the carrier identification number in the storage device overnight, the identification number information is not lost even in such a bad environment. .
- the plate making device 10 is a fully automatic process
- the carrier 2 is automatically loaded into the plate making device 10 from the carrier loading device 10
- the carrier 2 after the plate making process is carried out by the carrier unloading device 10.
- the operator does not need to stick to the plate-making equipment because it is automatically stocked at.
- any troubles such as mechanical troubles or running out of stock of the carrier 2 cannot be dealt with promptly, the operation rate of the plate making apparatus 10 will be reduced. Therefore, when an abnormality occurs in the plate making device 10, a system that can immediately notify the operator of the abnormality is required.
- the abnormality notification system is constructed using an existing telephone line network. That is, as shown in Fig. 10, the plate making apparatus 10 is connected to a telephone network 46, and its database 47 contains the operator's mobile terminal (mobile phone, PHS, etc.) 48 telephone number. And telephone numbers of maintenance companies 49 are registered. Then, when any abnormality is detected by the abnormality detecting device 4, the output device 45 searches the database 47 for a contact corresponding to the detected abnormality, and provides the telephone line network 4 with the contact. Notify abnormalities via 6.
- the operating system is always attached to the plate making apparatus 10. 4 006171 It is necessary to attach to the space, and the operability is improved because there is no restriction on the operation range during the operation. In addition, by using the existing telephone network, there is no need to develop special infrastructure and the system maintenance cost can be kept low. Although a telephone network is used here, if a LAN has already been built on the premises, the operator's portable terminal may be notified of the abnormality via the LAN.
- FIG. 11 is a schematic diagram showing a configuration of a plate making apparatus according to a second embodiment of the present invention.
- the plate making apparatus 50 includes a first processing station S 1, a second processing station S 2, and a processing station S 1 to S 4 arranged on a substantially horizontal line according to the order of the plate making process.
- the third processing station S3 and the fourth processing station S4 are arranged in this order.
- the processing devices 30 to 34 described in the first embodiment are arranged.
- the assignment of each step of the plate making process to the processing stations S.1 to S4 is the same as in the first embodiment, and the functions of the processing devices 30 to 34 are also the same as in the first embodiment.
- a chain (infinite track member) 52 is used as the transfer device 51 for transferring the carrier 2.
- a horizontally long elliptical guide 53 is arranged in the plate making device 50, and the chain 52 is rotated around the guide 53 by an actuating mechanism (not shown).
- Each of the processing stations S1 to S4 is arranged along the upper side of the elliptical orbit drawn by the chain 52 along the guide 53.
- a loading station S0 and a loading station S5 are arranged.
- the carrier 2 carried into the plate making device 50 from the outside is mounted on the chuck device 20 at the carry-in station S 0 at the front end of the line, and the respective processing stations are rotated with the rotation of the chain 52. S1 to S4 are transferred.
- the transfer device 51 moves the chain 52 one pitch at a time in accordance with the completion of the processing in each of the processing stations S1 to S4.
- the carrier loading apparatus 12 and the carrier unloading apparatus 15 described in the first embodiment can be used as the means for loading and unloading the carrier 2.
- the selection of the carrier 2 based on the determination as to whether or not the printing plate 1 can be reproduced may be performed before the carrier 2 is mounted on the chuck device 20 at the loading station S0.
- the use of the chain 52 as a carrier for the carrier 2 increases the degree of freedom in the layout of the stations S0 to S5. And, by arranging all the stations S0 to S5 side by side on the line, access from the lower side of the apparatus, which is advantageous for liquid operation, is possible in all processing stations S1 to S4, and workability is improved. At the same time, there is an advantage that the printing plate 1 and the device can be prevented from being stained due to dripping from the washing device 30a and the developing device 34.
- FIG. 12 is a schematic diagram showing the configuration of a plate making apparatus according to a third embodiment of the present invention.
- the present embodiment is characterized in that plate making is performed while handling in the form of a flat plate, instead of mounting and handling a printing plate on a carrier as in the first and second embodiments.
- a transport line for printing plate 1 is provided horizontally in the plate making apparatus 60, and each of the processing stations S 1 to S 4 is used for the plate making process along this transport line.
- the first processing station S1, the second processing station S2, the third processing station S3, and the fourth processing station S4 are arranged in this order.
- the printing plate 1 is transported with the plate surface facing downward while maintaining the horizontal level, and the processing devices 31 to 34 are arranged below the transport line.
- a loading station S0 for loading the printing plate 1 into the transport line is provided upstream of the first processing station S1, and a second processing station S1 is provided.
- a carry-out station S5 for carrying the plate 1 in and out of the carrier line is provided.
- a chain 62 is used as the transfer apparatus 61 for transferring the printing plate 1.
- a guide 63 is provided along the transport line in the plate making apparatus 60, and the chain 62 is rotated along the guide 63 by an unillustrated actuator.
- the chain 62 is provided with a plurality of pairs of grip devices 64, 65 for gripping and fixing the upper and lower ends of the printing plate 1. The distance between each of the stations S0 to S5 is set to be equal, and the pair of drip devices is used.
- the transfer device 61 moves the chain 62 one pitch at a time in accordance with the completion of the processing in each of the processing stations S1 to S4.
- the printing plate 1 can be processed in parallel in the form of a flat plate without being attached to the carrier.
- This management method is applicable not only to the case where the printing plate is always handled integrally with the carrier as in the first and second embodiments, but also to the third embodiment.
- the invention is also applicable to a case where a printing plate is handled alone in a flat plate form.
- the management method according to the present embodiment can also be applied to a method in which the outer peripheral surface of the carrier itself functions as a printing plate. .
- an area is provided on the plate of printing plate 1, as shown in Fig. 13, for writing its usage data (reproduction count, number of prints, usage period, etc.).
- usage data production count, number of prints, usage period, etc.
- the computer 70 is provided with a memory 71 for temporarily storing usage data.
- the usage data is read from the printing plate 1 and temporarily stored in the memory 71 (step B20). For example, when the usage data is displayed as a barcode, the usage data can be read using a barcode reader. Then, it is determined whether or not the printing plate 1 can be reproduced based on the read usage status up to the present (step B30). If the reproduction is determined to be impossible, the fact is displayed on a computer display (not shown) (step B60).
- the data determined to be reproducible are updated by adding the contents of the current job (number of prints, etc.) and the number of replays to the usage data temporarily stored in the memory 71 (step B40), reproduce the printing plate of printing plate 1, and write the updated usage data together with the new pattern on the printing plate (step B50).
- a method of managing a regenerative printing plate according to a fifth embodiment of the present invention will be described with reference to the system configuration diagram of FIG. 15 and the flowchart of FIG.
- This management method is also applicable to a case where a printing plate is handled alone in the form of a flat plate, as in the fourth embodiment.
- the management method according to the present embodiment can also be applied to a method in which the outer peripheral surface of the carrier itself functions as a printing plate.
- a plate identification number is written on the plate surface of plate 1 as shown in FIG.
- writing of the plate identification number is performed together with writing of a picture by a laser writing apparatus.
- the plate identification number may be represented by a bar code 36, for example.
- the combination device 80 has a memory 83 for temporarily storing the plate identification number, and its database .81 has a usage status of each plate 1 (the number of prints, A file 82 for recording job, number of playbacks, etc.) is created for each plate identification number.
- the plate identification number is read from the plate of plate 1 and temporarily stored in memory 83 (step C 20) prior to reproduction. .
- the plate identification number can be read by using the barcode reader 38 when the plate identification number is displayed in a bar code.
- the file 82 corresponding to the read plate identification number is read from the database 81 (step C30), and it is determined whether or not the plate 1 can be reproduced based on the usage status recorded up to the present in the file 82. (Step C40). If the reproduction is determined to be impossible, the fact is displayed on the display 80a (step C70).
- the printing plate of plate 1 is reproduced and temporarily stored in memory 83 together with a new pattern.
- the printed plate identification number is written on the plate (step C50). Further, the data such as the content of the current job (the number of prints, etc.) and the number of times of reproduction are recorded and updated in the file 82 (step C60).
- a new plate identification number is written on the plate surface of the printing plate 1 each time reproduction is performed, so that the plate identification number can be read regardless of the overwriting of the picture.
- a picture writing device can be used to write the plate identification number, so that special equipment for numbering is not required. That is, according to the present method, the functions of the regenerative printing plate 1 can be effectively used.
- the carry-in position and the carry-out position of the carrier in the first and second embodiments are examples, and these positions are not limited.
- the carry-in / out station may be located at the top of the circle.
- the loading station and the unloading station may be separate.
- the loading station may be at the top and the loading station may be at the bottom, or vice versa.
- the carry-in station may be a carry-in / out station also serving as the carry-out station, and the carrier after the plate-making process may be folded and transferred along the line.
- the transfer device is provided with a chuck device.
- the transfer device may be a device for simply transporting a carrier, and the chuck device may be installed in each processing station.
- the carrier when the carrier is carried to the processing station by the transfer device, the carrier is gripped from both sides by the chuck device provided in the processing station and is centered with respect to a predetermined reference axis.
- the carrier support at each processing station Carriers can be carried into and out of each processing station in the direction perpendicular to the reference axis, that is, in the direction of transfer by the transfer device, by holding the device from both sides by the chuck device.
- the carrier can be easily transferred between the transfer device and each processing station, and the carrier transfer efficiency between the processing stations is improved.
- the structure of the transfer device when compared with the first and second embodiments, the structure of the transfer device can be simplified.
- FIG. 17 is a schematic diagram showing the configuration of the first embodiment of the clean air supply device.
- the plate making apparatus of the present embodiment is also configured as a so-called out-of-machine plate making apparatus installed separately from the printing press.
- the printing plate 1 to be made is mounted on the outer peripheral surface of a supporting drum (carrier) 102.
- a coating device 31 and a drying device 32 are arranged around the support drum 102 in the circumferential direction.
- the printing plate 1 sequentially passes through the respective processing devices by the rotation of the support drum 102, and first, the coating device 31 applies a liquid drawing material to the plate surface.
- the applied drawing material forms a coating film 5 on the plate surface, and the coating film 5 is heated and dried by heat given from the next drying device 32, and is fixed on the plate surface.
- the processing devices such as the support drum 102 and the coating device 31 and the drying device 32 around the support drum 102 are all housed in the chamber 107 and are separated from the outside.
- a clean air supply device 110 is installed on the wall of the champ 107 on the side where the coating device 31 and the drying device 32 are disposed when viewed from the support drum 102.
- the clean air supply device 110 has a fan 111 and a filter 111, and removes air blown by the fan 112 through the filter 111 to remove the dust. Clean air (K (Lean air) is supplied into the chamber 17.
- the clean air is directed to the surface of the printing plate 1, particularly to an area where the printing material is applied by the coating device 31 and the coating film 5 of the applied printing material is dried by the drying device 32. Sprayed.
- the chamber 107 prevents dust from entering from the outside, and the blown-in clean air prevents dust in the air from reaching the plate surface, and prevents dust from entering the coating film 5 on the plate surface. Adhesion is prevented.
- the cleanliness of the clean air supplied from the clean air supply device 110 is determined by the dust removal capacity of the filter 111, but here, it is class 100 or more according to the FED standard (FED-STD-209E).
- FED-STD-209E the FED standard
- IS 0 standard IS 0 1 4 6 4 4-1: 1 9 9 9
- clean air of class 6 or higher is supplied.
- an exhaust device 114 for forcibly exhausting the air of chamber 107 to the outside is installed on the wall opposite to the wall on which the clean air supply device 110 of chamber 107 is installed. ing.
- the air inside the chamber 107 is constantly cleaned by forcibly exhausting air using the exhaust device 114. Ventilation can be performed, and adhesion of dust to the coating film 5 can be more reliably prevented.
- the exhaust air volume of the exhaust device 114 should be such that the pressure in the chamber 107 is always positive (preferably 1 Pa or more, more preferably 10 Pa or more) with respect to the outside. It has been adjusted to By keeping the inside of the chamber 107 at a positive pressure, intrusion of dust from the outside into the chamber 107 can be more effectively prevented.
- the exhaust port of the exhaust device 114 and the intake port of the clean air supply device 110 are connected by a pipe 115.
- the air exhausted from the chamber 17 by the exhaust device 1 14 passes through the pipe 115 to the clean air supply device 1 1
- the air is sucked into the fan 111 of No. 0, and after being cleaned by the filter 111, is supplied again as clean air into the chamber 107.
- the air in the chamber 107 is not discharged to the outside, so that the surrounding work environment can be kept good.
- the clean air supply device 110 is provided with a control device 120 for controlling the rotation speed of the fan 112 as a blower.
- the control device 120 controls the rotation speed of the fan 112 by controlling the driving force of a drive motor (not shown) for driving the fan 112.
- the control device 120 can also be operated at a constant speed to maintain the rotation speed of the fan 112 at a constant speed.
- two sensors (measuring devices) provided in the chamber 107 are provided. Feedback control based on the measured values of 122 is also possible.
- One sensor 121 is a particle sensor that measures the number of suspended particles in the air, that is, the number of dusts, and can measure the cleanness of the chamber 107 from the measurement value of the particle sensor 11. . Since the number of dust particles in the air can be reduced by increasing the amount of clean air, the control device 120 controls the rotation speed of the fan 112 based on the measurement value of the particle sensor 122, The air volume of the clean air is controlled so that the inside of the chamber 107 has a predetermined cleanness. The number of dust particles in the air increases when the machine in the champ 107 is operated or when the chamber 107 is opened, such as when the printing plate 1 is replaced. As a result, the degree of cleanness in the champ 107 can be quickly restored to a predetermined set value.
- the other sensor 122 is a pressure sensor that measures a differential pressure between the inside and outside of the chamber 107.
- the filter 111 of the clean air supply device 110 gradually becomes clogged with use, so even if the rotation speed of the fan 112 is constant, the air volume decreases due to clogging of the filter 111. I do.
- the control device 120 corrects the rotation speed of the fan 112 based on the measurement value of the pressure sensor 122 so that the desired air volume can be obtained even when the filter 111 is clogged. I am trying to get it.
- the clean air blown out from the clean air supply device 110 may be used.
- FIG. 18 is a schematic diagram showing a modification of the clean air supply device described above.
- the same parts as those in FIG. 17 are denoted by the same reference numerals.
- the printing plate 1 is isolated by the chamber 110 ⁇ and clean air is supplied into the chamber 107, but in the configuration shown in Fig. 18, the chamber 1 is not provided.
- a clean air supply unit 11 OA is located close to the plate surface of plate 1.
- the structure of the clean air supply device 1 1 OA may be the same as the structure of the clean air supply device 1 10 in FIG. 17, but at least the coating material 3 1 Arrange so that clean air can be blown toward the area until 5 is dried by the drying device 32. Even with the plate making apparatus having such a configuration, dust in the air cannot reach the plate surface by supplying clean air to the surface of the printing plate 1, so that dust is prevented from adhering to the coating film 5 on the plate surface. Can be.
- the wind speed of the clean air supplied from the clean air supply device 11 OA can prevent dust from adhering to the plate surface without disturbing the coating film 5 before drying.
- the area of the clean air supply port of the clean air supply unit 11 OA is set to 50% of the area to be applied so that the clean air can be uniformly supplied to the entire area of the plate surface where the drawing material is applied. Secure an area of at least%.
- FIGS. 19 and 20 are schematic diagrams showing the configuration of the second embodiment of the clean air supply device.
- the printing plate 1 to be made is attached to the outer peripheral surface of a plate cylinder (carrier) 130.
- processing devices such as a coating device 13 1 and a drying device 13 2 are installed from the exit side of the nip between the plate cylinder 13 0 and the blanket cylinder 13 7. They are arranged in the circumferential direction according to the order of the plate making process.
- the printing plate 1 is made in a state where it is mounted on the plate cylinder 130 by the above-described processing devices, and is used for printing as it is after the plate making.
- a clean air supply device 140 is provided so as to face the plate cylinder 130 with the coating device 13 1 and the drying device 13 2 interposed therebetween.
- the structure of the clean air supply device 140 is the same as that of the embodiment shown in FIG. 17, and the detailed description is omitted.
- a part of the outer peripheral surface of the plate cylinder 130 and the clean air supply device 140 together form opposing wall surfaces of the chamber 134 and the coating device 1 31 and the drying device 13 2 are accommodated in this chamber 1 34.
- a series of processes from the application of the drawing material to the surface of the printing plate 1 by the coating device 1 3 1 until the coating film 5 of the applied printing material is dried by the drying device 13 2 are performed by the chamber 1 1 3 4 Is performed in a space isolated from the outside.
- An opening 135 is provided between the side wall of the chamber 134 and the end of the plate cylinder 130, as shown in FIG.
- the air in the chamber 134 is discharged to the outside through the opening 135 together with dust generated by the operation of the machine in the chamber 134, and supplied by the clean air supply device 140. Ventilated with clean air.
- An exhaust nozzle 133 extending in the axial direction of the plate cylinder 130 is provided in the chamber 134 near the surface of the plate cylinder 130. This exhaust nozzle 13 3 not only exhausts the air inside the champ 13 4 to the outside but also controls the air flow near the surface of the plate cylinder 13 It also has the effect of forming a laminar flow and preventing dust from reaching the coating film 5 on the plate surface.
- the chamber 1 prevents dust from entering the space in which a series of processes from the application of the drawing material to the surface of the printing plate 1 to the drying thereof are performed.
- clean air is blown from the clean air supply device 1 40 toward the surface of the printing plate 1, so that dust in the air cannot reach the plate surface and the coating film on the plate surface 5 Adhesion of dust to the surface is prevented. Therefore, a large amount of dust such as paper dust is generated in the printing press during the printing operation.
- a plate having no defects can be formed on the printing press.
- an air knife 1336 is provided at the entrance of the surface of the plate cylinder 130 entering the chamber 134 by rotation.
- the air knife 1336 is a device that blows out compressed air that has been pressurized by the compressor and has been dust-removed by the filter, and the blowout port is directed to the surface of the plate cylinder 130.
- Ayna A removal device is provided to remove the foreign matter such as dust adhering to the surface of the printing plate 1 by removing the compressed air ejected from the WIF 1336, thereby preliminarily cleaning the plate surface. It becomes possible to apply an image drawing material from the surface.
- the air jet direction of the air knife 1336 is set on the upstream side in the rotation direction of the plate cylinder 130, the blown foreign matter may enter the chamber 134. Absent.
- the air volume of the clean air supply device 140 can be controlled by the rotation speed of a fan (not shown) as in the above-described embodiment (FIG. 17).
- the control can also be performed by opening and closing a shutter 141 provided in front of the outlet. Therefore, as described in the above embodiment, it is possible to measure the degree of cleanness in the chamber 134 and control the rotation speed of the fan based on the measured value, or based on the measured value. It is also possible to control the opening / closing degree of the shutter 141.
- the degree of opening and closing of the shutter 14 1 is adjusted according to the target air flow, and the decrease in the actual air flow relative to the target air flow due to clogging of the filter (not shown) is corrected by adjusting the rotation speed of the fan. You may.
- the plate making device of the first embodiment may be provided with a removing device that removes foreign matter attached to the surface of the printing plate as in the second embodiment.
- a removing device that removes foreign matter attached to the surface of the printing plate as in the second embodiment.
- an air knife is used as a removing device.However, a foreign material is sucked by a suction device such as a vacuum cleaner, the foreign material is adhered by a roller having an adhesive surface, and the foreign material is wiped by a wiper. It is also possible.
- the heater is provided in the clean air supply device. It is also possible to provide a heating device such as the above to heat the clean air to raise the temperature before supplying it to the surface of the printing plate. By supplying such high-temperature clean air to the plate surface, drying of the coating film is promoted, and the probability that dust adheres to the coating film before drying can be further reduced.
- the present invention is configured as a general plate making apparatus having only a plate making function. It is also possible to configure a plate making apparatus with a reproduction function for performing both reproduction plate making and plate making together.
- the clean air supply device is incorporated into one unit together with the coating device and the drying device.
- the plate making device of the present invention has a clean air supply device installed in a room to form a clean room.
- the clean air supply device may be assembled together with the coating device and the drying device as one unit, and the unit may be arranged in a clean room.
- a processing liquid supply device 34S is installed in the developing device 34 of the plate making device shown in FIG.
- This processing liquid supply device 34 S is arranged so as to be located below the carrier 2, supplies a developing solution from the lower side of the carrier 2 to the plate surface of the printing plate 1, and further supplies a fixing solution, thereby forming a laser.
- the pattern written by the writing device 33 is developed. Also in the plate making apparatus 10, the developing solution and the fixing solution may leak or drip during the developing process.
- the fourth processing station (developing station) S4 where the developing process is being performed is outside the printing press, the printing plate 1 and the printing paper become dirty due to leakage or dripping of the processing solution or mist of the processing solution. It won't. Also, around the plate cylinder of the printing press Ink roller group to be arranged. It is not necessary to consider interference with the dampening device.
- the processing liquid supply device 34S can be arranged below the carrier 2 as described above. As a result, the processing liquid can be supplied to the plate surface without difficulty, and high development quality can be obtained. In addition, since the development processing is performed off-line independently of the operation of the printing press, the printing press can perform printing even during the development processing, thereby improving the operation rate of the printing press. Further, since one plate making device 10 can be shared by a plurality of printing presses, the cost can be reduced as compared with the case where a plate making device is provided for each printing press.
- the configuration of the processing liquid supply device 34S can take various configurations as described below.
- Each of the drawings shown in FIGS. 21 (a) to 21 (e) enumerates configuration examples that the processing liquid supply device 34S can take.
- the processing liquid supply device 34 A shown in FIG. 21 (a) is composed of a development unit 24 OA for supplying a developer and a fixing unit 250 for supplying a fixing solution.
- a fixing unit 250 is arranged downstream of A.
- the developing unit 24 OA the plate surface of the printing plate 1 is immersed in the developing solution stored in the developing solution tank 241.
- the rotation of the carrier 2 supplies the developing solution directly to the plate surface of the printing plate 1. I have.
- the fixing unit 250 is composed of a fixing solution tank 251 storing the fixing solution and a roller 252 having a lower part immersed in the fixing solution in the fixing solution tank 251, and the plate surface of the printing plate 1 is passed through the roller 252.
- the fixer is applied to the surface.
- the configuration of the fixing unit is the same as the fixing unit 250 of FIG. 21 (a). Only the configuration of the developing unit is different.
- the developing unit 240B is composed of a developing solution tank 241 and an opening 242 whose lower part is immersed in the fixing solution in the developing solution tank 241. The developer is applied to the plate surface of the printing plate 1 via the roller 242. ing.
- the developing unit 240C of the processing liquid supply device 34C shown in Fig. 21 (c.) Also uses a roller, but the roller 2 of the developing unit 240B shown in Fig. 21 (b) is used. Two rollers 2443 and 2444 each having a smaller diameter than 42 are arranged in parallel, and the developer is applied to the plate surface of the printing plate 1 via these rollers 2443 and 2444. ing.
- the processing liquid supply device 34 D shown in FIG. 21 (d) is a developing unit 2 comprising a developer tank 24 1 and a belt 24 6 guided by a plurality of guide rollers 24 45. It has 40D.
- the belt 246 circulates between the developer tank 241 and the printing plate 1 while making surface contact with the plate surface of the printing plate 1.
- the attached developer is applied to the plate surface of the printing plate 1.
- the processing liquid supply device 34E shown in FIG. 21 (e) includes a developing unit 240E including a developing solution tank 247 and a tray 2488.
- the developing unit 240E is obtained by directly immersing the plate surface of the printing plate 1 in the developing solution, similarly to the developing unit 240A in FIG. 21 (a).
- the plate surface of printing plate 1 is also a part of the side wall of developer tank 247.
- a tray 248 is disposed downstream of the developer tank 247 in the rotation direction of the carrier 2, and a partition wall 249 between the developer tank 247 and the tray 248 is provided for the carrier 2. It is processed into a shape along the outer peripheral surface. As the carrier 2 rotates, the developer adheres to the plate surface of the printing plate 1, and when the plate surface of the printing plate 1 passes through the partition wall 249, excess developing solution is collected in the receiving tray 248. ⁇
- the processing liquid supply devices 34 A to 34 E described above are merely examples of the configuration that the processing liquid supply device 34 S can take, and various other configurations can be employed.
- the liquid is thinned by a slit formed by a plurality of sheets (see JP-A-62-238564), which is sprayed by spraying.
- JP2004 / 006171 It is also possible to adopt a method of supplying a film, or supplying a liquid by a nozzle and stretching using a processing liquid diffusion plate (see Japanese Patent Application Laid-Open No.
- a circulation system can be provided for each of the developer and the fixer.
- a temperature controller for adjusting the temperature between the inside of the developing solution tank and the inside of the fixing solution tank or a temperature adjusting device for adjusting the temperature of the roller may be provided.
- a mechanism for squeezing out excess processing liquid from the plate surface, for example, a blade or a roller may be provided between the developing unit and the fixing unit.
- the material of the roller and the rotation direction can be changed.
- the material of the roller may be metal, plastic, rubber, a sponge, a brush, or the like, or a roller whose surface is roughened like an anilox roller may be used.
- the rotation direction of the roller may be the normal rotation direction or the reverse rotation direction with respect to the rotation direction of the carrier 2, and the processing liquid may be transferred from the roller to the printing plate 1 by nip transfer or gear transfer.
- the configuration of the processing liquid supply device 34 S may be determined according to the characteristics of the plate material of the printing plate 1. Factors in determining the configuration of the processing solution supply device 34 S include factors such as the required corrosion time, required processing solution volume or liquid circulation amount, and required physical stimulation. And the like. As described above, the present plate making apparatus has a very high degree of freedom in space design in arranging the processing liquid supply device 34, so that it can be arranged without difficulty regardless of which configuration is adopted. With the above configuration, the carrier 2 loaded into the plate making apparatus 50 from the outside in the plate making apparatus shown in FIG. 11 is attached to the chuck device 20 at the loading station S 0 at the front end of the line. Each of the processing stations S1 to S4 is transferred as the chain 51 rotates.
- the carrier 2 When the processing at all the processing stations S 1 to S 4 is completed and the carrier 2 is carried to the unloading station S 5 at the rear end of the line, the carrier 2 is removed from the chuck device 20 and unloaded. It is carried out from station S5 to the outside.
- the plate making apparatus 60 When applied to the plate making apparatus 60 in this manner, by arranging all the stations S0 to S5 side by side on the line, access from the lower side of the apparatus, which is advantageous for liquid operation, can be made at all the processing stations S1 to S5. 4, the workability is improved, and there is an advantage that contamination of the printing plate 1 and other processing devices due to liquid dripping from the developing device 34 can be avoided.
- the embodiment of the developing device of the present invention has been described.
- the developing device of the present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist of the present invention. .
- FIGS. 22 and 23 are diagrams showing an image erasing apparatus and method for a reproducible printing plate according to an embodiment of the present invention
- FIG. FIG. 23 is a flow chart for explaining a method of reproducing image data on a printing plate.
- the image erasing apparatus and method are designed to write an image for lithographic printing on the surface of a printing plate, use the image for printing, erase the image on the surface of the printing plate once, and then write the image on the surface of the printing plate again. It is used for the above-mentioned image erasure of the reproducible printing plate used repeatedly.
- the printing plate (reproducible printing plate) 1 is attached to the outer peripheral surface of a cylindrical carrier (supporting member) 2 and is configured and supported in a cylindrical body.
- the form of the printing plate 1 is not limited, and may be a plate or a tube.
- the printing plate 1 is a plate-shaped plate
- the printing plate 1 is wound around the outer peripheral surface of the carrier 2 to form a tubular body.
- the printing plate 1 is transferred to the carrier 2.
- the method of fixing the printing plate 1 to the carrier 2 can be the same as the method of fixing the printing plate to the plate cylinder, for example.
- the length of the carrier 2 in the axial direction is set to be longer than the width of the printing plate 1, and the both ends are formed to have some excess.
- the printing plate 1 and the carrier 2 are separate bodies, but the printing plate 1 is integrally formed on the surface of the carrier 2 and the outer peripheral surface of the carrier 2 itself is used as a regenerative printing plate. May work.
- the image erasing device is composed of a cleaning agent nozzle 301 that sprays a cleaning agent (also referred to as a liquid cleaning agent or cleaning liquid here) onto the plate surface (the surface of the printing plate 1), and a plate surface rubbing plate.
- a cleaning agent also referred to as a liquid cleaning agent or cleaning liquid here
- Apparatus 302 water nozzles 300 that spray water toward the plate, liquid recovery device 304 that collects water on the plate, and a blower that blows air toward the plate [Dry the plate Drying Means (Blowing Means)] 304.
- Each of these constituent elements 301 to 3005 is arranged around the cylindrical printing plate 1.
- each of these components 301 to 3.05 is not particularly limited, but the liquid recovery device 304 is arranged so as to be in contact with the downward surface of the plate surface below the water nozzle 303. It is preferable that water is sprayed from the water nozzle 303 onto the plate surface, and water flows down the plate surface and is collected by the liquid collecting device 304.
- Each of the constituent elements 301 to 305 has a length capable of processing the entire area in the axial direction along the axial direction of the printing plate 1, and is arranged in parallel with the printing plate 1.
- the cleaning agent nozzle 301 and the water nozzle 303 are provided at an appropriate distance from the plate surface, and are arranged so that the cleaning agent or water can be supplied without coming off the plate surface.
- the plate 1 is rotated as shown by an arrow A1 in FIG. 22. With the elements 301 to 305, the entire circumferential area of the printing plate 1 can be processed.
- the main part of the plate rubbing device 302 and the liquid collecting device 304 is brought into contact with the plate surface.
- the blower 305 is a distance that can efficiently dry the plate surface by blowing air. It is installed at an appropriate distance from the printing plate.
- the cleaning agent nozzle 301 and the water nozzle 303 may spray a cleaning agent or water in a mist state, or may spray a cleaning agent or water in a shower state.
- the plate rubbing device 302 is used for washing wound around the reel 302a.
- the cloth 302b is unwound from the reel 302a, and the plate is pressed by the cloth pressing pad 302c. To wipe off the printing plate.
- the cleaning cloth 302b is wound on another reel 302d after wiping the printing plate.
- the plate rubbing device 302 may be a method in which a sponge or brush is pressed against the plate, and in this case, the sponge or brush may be mounted on the roller surface and may be rotated, and the sponge or brush may be simply applied to the plate. It may be a fixed type that only presses. Also, by spraying a liquid such as water onto the plate at high pressure, physical stimulus equivalent to rubbing can be applied to the plate.
- the liquid recovery device 304 is of a rotating roller type.
- the first roller 304 a which rotates in the same direction as the printing plate 1 (see arrow A2) and contacts the plate surface, and the first opening
- the second roller that is disposed below the first roller 304 a (here, vertically below), rotates in the same direction as the first roller 304 a (see arrow A3), and contacts the first roller 304 a. It has rollers 304b.
- the first roller 304a comes into sliding contact with the plate surface at a point of contact with the plate surface so as to move in the opposite direction to the plate surface, and the upstream side of the contact point [the upstream side of the plate 1 rotation direction (water nozzle 304). 3)
- the water on the plate surface is collected at P1, and the collected water flows down the outer circumference of the first roller 304a (see arrow a1) and flows down.
- a water recovery system not shown
- This liquid recovery device 304 is also of the present embodiment, a sponge type that recovers liquid using a sponge, and a vacuum that suctions moisture using negative pressure.
- a sponge type that recovers liquid using a sponge
- a vacuum that suctions moisture using negative pressure.
- Various types can be applied, such as a film type, a blade type in which the tip of a blade is pressed against the plate surface to remove moisture, and a cloth type similar to the plate rubbing device 302.
- the air blown by the blower 305 is preferably hot air for drying, but a certain drying effect can be obtained even at room temperature, and if the liquid is sufficiently recovered by the liquid recovery device 304, the blower 305 Can be omitted, and in this case, the blower 305 becomes unnecessary.
- other blowing means such as for guiding hot air generated near the apparatus, or other drying means may be used.
- the image erasing device for a regenerative printing plate is configured as described above. Therefore, using this device, for example, as shown in FIG.
- the image of the reproducible printing plate 1 can be erased by the image erasing method of the printing plate.
- the cleaning liquid is supplied to the printing plate by spraying the cleaning liquid from the cleaning agent nozzle 301 (step S10: first step).
- the cleaning agent impregnates the substance to be removed on the plate surface [ink fixed on the plate surface and a material for forming an image area (coating material), etc.], and the substance to be removed is dissolved.
- the plate rubbing device 302, the water nozzle 303, the liquid recovery device 304, and the blower 305 are stopped.
- the plate rubbing device 302 is operated to rub the plate supplied with the cleaning agent to promote the dissolution of the substance to be removed such as ink on the plate and to remove the substance to be removed (step S20: 2nd step).
- the cleaning agent nozzle 301, the water nozzle 303, the liquid recovery device 304, and the blower 305 are stopped, but the cleaning agent nozzle 301 is rubbed. It may be operated simultaneously with the initial operation of the device 302.
- Step S30 Third step.
- the cleaning agent nozzle 301, the plate rubbing device 302, and the blower 305 are stopped.
- step S40 fourth step.
- Step S50 5th step.
- the image of the repro- ducing printing plate can be surely and clearly erased in a short processing time.
- the substances to be removed on the plate surface image material, ink, and various processing agents dissolved in the cleaning agent
- clean water preferably distilled water or ion-exchanged water. It can be diluted and collected in the same round, so that the water on the plate can be replaced with clean water with maximum efficiency, and the image of the renewable printing plate can be reliably erased in a short processing time. You can do it.
- the plate is blown and dried (fifth step), so that the water on the plate can be removed more reliably, and the image erasure of the reproducible printing plate can be performed more reliably and easily.
- the plate surface may be dried by natural drying.
- the regenerative printing plate is supported by a tubular support member that can be attached to and detached from the printing press.
- a tubular support member that can be attached to and detached from the printing press.
- the cleaning device (image erasing device) according to the above-described embodiment is an example, and the above-described cleaning (image erasing method) is not limited to such a cleaning device, and is widely performed using a cleaning device having substantially the same function as the cleaning device. Can be implemented.
- the carrier 2 can be used as it is as an intermediate sleeve which can be detachably attached to a shaft of a printing press.
- a technology such as Japanese Patent Publication No. 240 (Patent Document 1).
- Patent Document 1 Japanese Patent Publication No. 240
- the intermediate sleep of the printing press is made lightweight and high-strength and further provided with a high heat resistance, the printing machine can be printed using the above-described plate-making apparatus. Can be improved.
- FIG. 25 is a schematic diagram showing a configuration of a printing press (offset printing press) according to the first embodiment of the present invention.
- a printing press has multiple printing units according to the number of printing colors.
- the sheets are arranged side by side in the paper running direction, but here, only one printing unit 401 is shown for simplicity of explanation.
- a blanket cylinder 402 and a plate cylinder 400 are arranged on the printing unit 401.
- the printing unit 401 includes a plurality of other ink supply units, but these are not shown because they are not related to the gist of the present invention.
- the blanket cylinder 40 is composed of a central shaft 410 and an intermediate sleeve 410 fitted to the central shaft 404, and the blanket 411 is mounted on the surface of the intermediate sleeve 410.
- the plate cylinder 400 is composed of a central shaft 405 and an intermediate sleeve 420 inserted into the central shaft 405, and the printing plate 21 is mounted on the surface of the intermediate sleeve 420.
- the printing plate 4 21 mounted on the intermediate sleeve 4 20 may be a reproducible printing plate capable of rewriting a picture or a normal printing plate (a non-reproducing printing plate). As for 21, a reproducible printing plate capable of rewriting pictures is used.
- the blanket 4 11 can be attached to the intermediate sleeve 4 10 by inserting the blanket 4 1 1 into the outer peripheral surface of the intermediate sleeve 4 10 as a seamless tubular blanket. As the plate-like blanket at the end, the blanket may be wound around the outer peripheral surface of the intermediate sleeve 410, and may be fixed.
- the printing plate 4 2 1 is provided on the intermediate sleeve 4 20 as a form of mounting on the outer peripheral surface of the intermediate sleeve 4 2 0, and the printing plate 4 2 1 is formed into a seamless cylindrical shape.
- the printing plate may be fitted on the outer peripheral surface of the intermediate sleeve 420, and the printing plate 420 may be wound as a plate-like end plate on the outer peripheral surface of the intermediate sleeve 420 to be fixed.
- any form may be used.
- Each of the intermediate sleeves 4 10 and 4 20 is a cylindrical body having a sufficient thickness and high rigidity, and a hole 4 10 a and a hole provided at the center of each of the intermediate sleeves 4 10 and 4.
- the rotational driving force is input to each of the center shafts 404, 405, and the intermediate sleeves 410, 420 rotate integrally with the center shafts 404, 405.
- the shape of the central shafts 404 and 405 is formed in a tapered shape in which the outer diameter of the front end side in which the intermediate sleeves 410 and 420 are fitted is slightly smaller than the outer diameter of the rear end side,
- the wedge effect of the tapered shape causes the middle sleeves 410, 420 to move in the center shaft 400.
- 405 or a method of fixing the intermediate sleeves 410, 420 to the central shafts 404, 405 using fasteners such as porto. It is not limited.
- the blanket 411 and the printing plate 4 21 are replaced with the blanket 4 11 and the printing plate 4 2 1 attached to the intermediate sleeves 4 10 and 4 2 0. This is performed together with the replacement of the sleeves 4 10. And 4 20.
- the reproduction process of the printing plate 421 accompanying the rewriting of the pattern is performed on a printing machine (not shown) or a reproduction plate making device outside the printing machine while the printing plate 421 is mounted on the intermediate sleeve 420.
- the reproduction process of the printing plate 421 is performed in a state where the intermediate sleeve 420 is mounted on the central shaft 405.
- the intermediate sleeve 420 is removed from the center shaft 405 and set in the reproduction plate making apparatus.
- the intermediate sleeve 420 functions as a supporting cylinder for supporting the printing plate 421 when the printing plate 421 is reproduced by the reproduction plate making apparatus.
- a plurality of types of intermediate sleeves 4 10 and 4 20 having the same inner diameter and different outer diameters are prepared.
- the circumference (that is, the cut-off length) of the printing plate 4 2 1 and the blanket 4 1 1 it is possible to correspond to the required length of printing products.
- the two central shafts 4 0 4 and 4 0 5 provided in the printing unit 1 are indicated by arrows in FIG. 25 according to the outer diameter of the intermediate sleeves 4 10 and 4 20 to be mounted.
- the distance between the axes can be set variably.
- the printing press according to the present embodiment is a variable cutoff printing press in which the cutoff length can be changed by replacing the intermediate sleeves 410 and 420 with different outer diameters. It is configured.
- FIG. 24 is a schematic cross-sectional view showing the configuration of the intermediate sleeve 20 for the plate cylinder 403 according to the present embodiment.
- the intermediate sleeve 410 for the blanket cylinder 492 also has the same configuration as the intermediate sleeve 420 for the plate cylinder 403 described below.
- the intermediate sleeve 420 is integrally formed of a composite material composed of micro-palm 422 and resin 423.
- Micropalm 422 is a fine hollow sphere with a diameter of about 10 to 20 ⁇ , and is made of resin such as epoxy resin, glass such as soda-lime silicate glass, and ceramics. Is used.
- any type of resin for example, epoxy resin, unsaturated polyester resin, polyurethane resin, phenol resin, or melamine resin can be used. Which one to select may be determined according to the required characteristics and molding method. If necessary (for example, when an epoxy resin is used as the resin), a curing agent such as diethylenedoriamine may be added.
- the content of microballoons 422 in the composite material is set to 50% or more.
- the characteristics of the composite material are the same as those of the microballoons 422. Characteristics are dominant. Accordingly, since the micro-palm 422 has the characteristics of having a very small specific gravity and being excellent in strength, the micro-balloon 422 has the characteristics such as the intermediate sleeve 422 of the present embodiment.
- the microballoon 422 is also excellent in heat insulation and heat resistance, the temperature rise of the intermediate sleeve 420 is small, and the heat resistance is also remarkably higher than when only the resin is formed. High. Therefore, even when performing the regenerating process with the printing plate 42 1 attached to the intermediate sleeve 420 as described above, the dimensional change due to the heat of the intermediate sleeve 420 is extremely small, and high printing accuracy is maintained. be able to. Further, when the micro balloon 422 is formed of an inorganic material such as glass or ceramics, the chemical stability of the micro balloon 422 is high. Improvements in chemical resistance can also be expected.
- FIG. 26 is a schematic cross-sectional view showing the configuration of the intermediate sleeve 4300 according to the second embodiment of the present invention.
- An intermediate sleeve for the plate cylinder 400 is also used as the intermediate sleeve for the blanket cylinder 402 instead of the intermediate sleeves 410, 420 of the first embodiment. Can also be used.
- the intermediate sleeve 430 of the present embodiment has a great advantage particularly as an intermediate sleeve for the plate cylinder 403, the intermediate sleeve for the plate cylinder 403 is used here. .
- the intermediate sleeve 430 has a surface layer 435 formed of a composite material comprising microballoons 432 and resin 433 on the surface of the base sleeve 434. It is provided.
- the surface layer 435 has a thickness of 0.1 to 5 mm, and the microballoon 432 has a content of 50% or more in the composite material forming the surface layer 435 or the surface layer.
- the coverage (projection area ratio) on the surface of 435 is set to 50% or more.
- the same materials as those of the first embodiment can be used as the materials of the micro-palm 43 and the resin 43.
- the material of the base sleeve 4 3 4 is not only resin but also Light and high-strength materials such as metals, FRP, and ceramics are preferred.
- the surface layer 4 35 is mainly composed of the micro balloon 4 32, the physical and chemical properties of the micro balloon 4 32 are dominantly revealed. Therefore, the surface layer 4 35 5 has high heat resistance, and when the plate (reproducible plate) 4 31 is subjected to the regenerating process with the intermediate sleeve 4 30 being attached, the plate is accompanied by the regenerating process. It functions as a heat insulation layer that prevents the heat supplied to 43 1 from being transmitted to the base sleeve 4 3 4. Therefore, even if the base sleeve 434 is made of a material that easily undergoes thermal expansion, heat transfer is suppressed by the surface layer 435, so that the dimensional change is extremely small, and high printing accuracy is maintained. Can be.
- the surface layer 4 35 can be formed by applying a resin 4 33 mixed with micro balloons 4 3 2 to the base sleeve 4 3 4 and curing it, or by bonding to the surface of the base sleeve 4 3 4 After applying the agent and bonding the microballoons 432, the surface may be covered with a resin 433 film. In the latter case, it is possible to improve the smoothness of the surface of the intermediate sleeve 430. Even in the former case, the surface can be made more smooth by further covering the surface with a resin 433 film.
- the intermediate sleeve 4340 of the present embodiment is characterized by the surface layer 435, and the material and characteristics of the base sleeve 434 are not limited (however, preferably, a lightweight and high-strength material is selected). Therefore, the intermediate sleeve 430 of the present embodiment can also be formed by forming the existing intermediate sleeve as the base sleeve 434 and forming the surface layer 435 on the surface thereof as in the present embodiment. can do.
- FIG. 27 is a schematic cross-sectional view showing the configuration of the intermediate sleeve 44 according to the third embodiment of the present invention.
- the intermediate sleeve 440 of the first embodiment is similar to the intermediate sleeve 430 of the second embodiment. Instead of 420, it can be used both as an intermediate sleeve for blanket cylinder 402 and as an intermediate sleeve for plate cylinder 403.
- the intermediate sleeve 440 has a three-layer structure including a base sleeve 444, an intermediate layer 445, and an outer base sleeve 446.
- the intermediate layer 445 is a layer formed of a composite material including the microballoons 442 and the resin 443, and the content of the microballoons 442 is set to 50% or more.
- the material of the micro balloon 442 and the resin 443 the same material as in the first embodiment can be used.
- high-strength materials such as metal, FRP, and ceramics can be used.
- FIG. 28 is a schematic cross-sectional view showing the configuration of the intermediate sleeve 450 according to the fourth embodiment of the present invention.
- the intermediate sleeve 450 of the present embodiment is also replaced with the intermediate sleeves 410, 420 of the first embodiment, similarly to the intermediate sleeves 430, 440 of the second and third embodiments. It can be used both as an intermediate sleeve for the blanket cylinder 402 and as an intermediate sleeve for the plate cylinder 400.
- the intermediate sleeve 450 has a four-layer structure consisting of the base sleeve 45 54, the middle layer 45 55, the outer base sleeve 45 56, and the surface layer 45 57. I have.
- This embodiment is a combination of the second embodiment and the third embodiment, and includes a base sleep 454, an intermediate layer 455, and an outer base sleep.
- the leave 4 5 6 is equivalent to the base sleeve 4 4 4, the intermediate layer 4 4 5, and the outer base sleeve 4 4 6 on the intermediate sleeve 4 4 of the third embodiment, and the surface layer 4 5 7 This corresponds to the surface layer 435 of the intermediate sleeve 430 of the second embodiment. That is, the intermediate layer 55 and the surface layer 457 are formed of a composite material composed of microballoons 452 and resin 453, and the base sleeve 454 and the outer base sleeve 456 are made of metal, FRP. , Ceramics, etc.
- the intermediate sleeve 450 of the present embodiment not only the same effect as the intermediate sleeve 450 of the third embodiment can be obtained, but also the heat insulating surface layer 4 Since the outer base sleeve 4 46 is made of a material that easily expands thermally, the surface layer 4 57 suppresses the transfer of heat. It is extremely small and can maintain high printing accuracy.
- FIG. 29 is a schematic exploded perspective view showing the structure of the intermediate sleeve 460 according to the fifth embodiment of the present invention.
- the intermediate sleeves 460 of the present embodiment are also the same as the intermediate sleeves 430, 440, 450 of the second to fourth embodiments, respectively.
- the intermediate sleeve for the blanket cylinder 402 and the intermediate sleeve for the plate cylinder 400 can be used.
- the intermediate sleeve 460 has a double structure including an outer sleeve 470 and an inner sleeve 480.
- An inner sleeve 480 is attached to the center shafts 404, 405 of the printing unit, and a blanket printing plate is mounted on the surface of the outer sleeve 470.
- the outer sleeve 470 and the inner sleeve 480 are detachable, and only the outer sleeve 470 is printed by sliding the outer sleeve 470 in the axial direction, leaving the inner sleeve 480. Unit can be removed from the unit.
- a fixing means for fixing the outer sleeve 470 to the inner sleeve 480 for example, a fastener such as Porto can be used.
- the structure of the outer sleeve 470 and the inner sleeve 480 is the structure of the intermediate sleeves 410, 420, 430, 440, 450 in the first to fourth embodiments. Can be applied. That is, it may be formed integrally with a composite material composed of microballoons and resin, or may have a layer structure including a layer formed of a composite material composed of microballoons and resin.
- the inner sleeve 480 is formed of metal, FRP, ceramics, or the like, like the base sleeve 43 4, 44 4, 44 6, 45 54, 45 56 according to the second to fourth embodiments. May be done.
- the intermediate sleeve 460 of the present embodiment has a structure particularly suitable as an intermediate sleeve of a variable cut-off printing press.
- a variable cut-off printing press there are two cases in which the intermediate sleeve is replaced, such as changing the cut-off length and replacing the printing plate or blanket. If the intermediate sleeve 460 is used, in the former case, the entire intermediate sleeve 460 is replaced, and in the latter case, only the outer sleeve 470 is replaced while leaving the inner sleeve 480. It is possible. While the cut-off length is not changed so frequently, the exchange of printing plates and the like is performed every time printing is performed. The work load is relatively large, but if only the outer sleeve 470 is replaced, the work load for the operation will be greatly reduced.
- the outer sleeve 470 can be used for attaching a plate or a blanket, and the inner sleeve 480 can be used for thickness adjustment. That is, in order to change the cutoff length, it is necessary to prepare a plurality of types of intermediate sleeves 460 having different thicknesses. Regarding the sleeve 470, regardless of the cut-off length, the thickness (outside diameter-inside diameter) is kept almost constant or the strength can be secured, and the cut-off is achieved by adjusting the thickness of the inner sleeve 480. Respond to length changes.
- the outer sleeve 470 By separating the roles of the outer sleeve 470 and the inner sleep 480 in this way, even when the outer diameter increases and the overall weight of the intermediate sleeve 460 increases, the outer sleeve 470, which is frequently replaced, can be used. Weight increase can be suppressed.
- the intermediate sleeve of the present invention is not limited to these embodiments, and may be variously modified without departing from the gist of the present invention.
- the intermediate sleeve has a layer structure as in the second to fourth embodiments, the number of layers is limited if at least one layer is formed of a composite material including microballoons and resin. There is no.
- the content of the microphone opening balloon or the material of the microphone opening balloon or the resin may be changed depending on the layer.
- plate making (reproduction) of a renewable printing plate that is repeatedly used can be efficiently performed, and the reproducible printing plate can be easily attached to and detached from a printing apparatus.
- resources can be used efficiently and high-quality printing can be performed.
- the present invention can be widely applied to printing presses, and its usefulness is considered to be extremely high.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/565,671 US20070181024A1 (en) | 2004-04-28 | 2004-04-28 | Plate making apparatus and regenerative printing plate management method as well as interstage sleeve |
| PCT/JP2004/006171 WO2005105443A1 (ja) | 2004-04-28 | 2004-04-28 | 製版装置及び再生式刷版の管理方法並びに中間スリーブ |
| DE112004002842T DE112004002842T5 (de) | 2004-04-28 | 2004-04-28 | Platten-Erzeugungsvorrichtung sowie Führungsverfahren für eine regenerative Druckplatte und Zwischenstufen-Hülse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2004/006171 WO2005105443A1 (ja) | 2004-04-28 | 2004-04-28 | 製版装置及び再生式刷版の管理方法並びに中間スリーブ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005105443A1 true WO2005105443A1 (ja) | 2005-11-10 |
Family
ID=35241522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/006171 Ceased WO2005105443A1 (ja) | 2004-04-28 | 2004-04-28 | 製版装置及び再生式刷版の管理方法並びに中間スリーブ |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070181024A1 (ja) |
| DE (1) | DE112004002842T5 (ja) |
| WO (1) | WO2005105443A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1749659A3 (de) * | 2005-08-02 | 2008-06-18 | MAN Roland Druckmaschinen AG | Verfahren zum Betreiben einer Druckmaschine |
| US20220297455A1 (en) * | 2020-11-09 | 2022-09-22 | CreateMe Technologies LLC | System and method for simultaneously moving objects between multiple locations |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101192788B1 (ko) * | 2005-10-13 | 2012-10-18 | 엘지디스플레이 주식회사 | 인쇄 장치 시스템 및 그를 이용한 패턴 형성 방법 |
| US8181572B2 (en) * | 2008-12-15 | 2012-05-22 | Mark Van Denend | System and method for matching a corrected sleeve to a substrate printing cylinder |
| KR101263253B1 (ko) * | 2010-11-24 | 2013-05-10 | 삼성전자주식회사 | 롤 프린팅 장치 |
| DE102018110749B3 (de) * | 2018-05-04 | 2019-08-14 | Matthews International GmbH | Verfahren zum Überprüfen eines Druckzylinders und eine entsprechende Anordnung |
| CN113374232B (zh) * | 2020-03-10 | 2022-07-08 | 广东博智林机器人有限公司 | 一种地坪漆刮涂装置及地坪漆涂覆机器人 |
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- 2004-04-28 DE DE112004002842T patent/DE112004002842T5/de not_active Ceased
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| JPH0677866U (ja) * | 1993-04-12 | 1994-11-01 | フジオーゼックス株式会社 | 円筒形ワークの順送り洗浄装置 |
| JPH091774A (ja) * | 1995-03-14 | 1997-01-07 | Erminio Rossini Spa | 回転式印刷胴用同心二重版円筒 |
| JPH0929922A (ja) * | 1995-07-14 | 1997-02-04 | Dainippon Screen Mfg Co Ltd | グラビア彫刻システム |
| JPH11139027A (ja) * | 1997-11-14 | 1999-05-25 | Sumitomo Rubber Ind Ltd | 印刷用ブランケット |
| JPH11265058A (ja) * | 1998-03-17 | 1999-09-28 | Hitachi Ltd | 親水部分と超撥水部分の共存する表面を有する物品、その製造方法、及びそれを用いた印刷装置 |
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| JP2003084451A (ja) * | 2001-09-13 | 2003-03-19 | Mitsubishi Heavy Ind Ltd | 版面処理装置 |
| JP2004017011A (ja) * | 2002-06-20 | 2004-01-22 | Think Laboratory Co Ltd | 塗布膜の形成を行なう円筒体の拭浄装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1749659A3 (de) * | 2005-08-02 | 2008-06-18 | MAN Roland Druckmaschinen AG | Verfahren zum Betreiben einer Druckmaschine |
| US20220297455A1 (en) * | 2020-11-09 | 2022-09-22 | CreateMe Technologies LLC | System and method for simultaneously moving objects between multiple locations |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070181024A1 (en) | 2007-08-09 |
| DE112004002842T5 (de) | 2007-06-06 |
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