WO2008090240A1 - Máquina impresora flexográfica con unidades de impresión de estabilidad mejorada - Google Patents
Máquina impresora flexográfica con unidades de impresión de estabilidad mejorada Download PDFInfo
- Publication number
- WO2008090240A1 WO2008090240A1 PCT/ES2007/000743 ES2007000743W WO2008090240A1 WO 2008090240 A1 WO2008090240 A1 WO 2008090240A1 ES 2007000743 W ES2007000743 W ES 2007000743W WO 2008090240 A1 WO2008090240 A1 WO 2008090240A1
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- WIPO (PCT)
- Prior art keywords
- attached
- machine
- roller
- printing
- movable
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F5/00—Rotary letterpress machines
- B41F5/24—Rotary letterpress machines for flexographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/34—Cylinder lifting or adjusting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/34—Cylinder lifting or adjusting devices
- B41F13/38—Cylinder lifting or adjusting devices electrically or magnetically operated
Definitions
- the present invention concerns a flexographic printing machine with improved stability printing units, and more particularly, a flexographic printing machine provided with printing units driven by linear electric motors, where a control strategy takes advantage of some of the characteristics of said linear electric motors to provide greater positional stability to the rollers of the printing units and in particular to prevent said rollers from entering resonance at certain printing times or conditions.
- the principles of the invention also allow minimizing the effect of tapping when rotating the roller (s) during the operation of the machine, derived from irregularities imposed by the printing clichés, in the cliché itself or in relation to the surface of the roller .
- Flexographic printing machines comprise one or more printing units in which a clichés roller carries one or more clichés mounted on its surface to make contact against a band of material to be printed supported on a support roller.
- the clichés produce level jumps on the surface of the roller holder.
- the mentioned level jumps produce cyclical blows against a band of material to be printed supported on a support roller.
- these cyclic strokes constitute an excitation frequency that resonates with the natural frequency of a system formed by the roller holder, its supports, etc.
- An inking roller is arranged analogously to make contact with the roller holder in an inking position, and the cyclic strokes experienced by the roller holder are transmitted to the inking roller, which is part of a corresponding system provided with a natural frequency that It can also come into resonance.
- the quality of the impression undergoes serious deterioration and the mechanisms that drive the rollers can be damaged.
- US-A-6494138 describes a printing unit for a printing machine for printing a web of sheet material.
- the unit has at least two rollers, the position of at least one of which is adjustable with respect to that of the other.
- the rotation of each roller is driven by a corresponding rotating electric motor and the linear position adjustment displacements are driven, in an exemplary embodiment, by linear electric motors (see Fig. 5), each of which is composed of a primary element fixed to a carriage integral with a slide coupled to guide elements and a secondary element fixed to a frame or bed of the machine.
- Patent application EP-A2-1634701 discloses a flexographic printing machine comprising a central drum for supporting the web of sheet material to be printed and a plurality of printing units, each with a roller holder and an ink roller supported in turning at its ends in corresponding movable supports arranged to move along respective first linear guide elements attached to said side benches.
- the rotation of each roller is driven by a corresponding rotating electric motor.
- the mentioned movable supports are driven by motor means to effect linear displacements of adjustment of the roller holder in relation to the central drum and of the inking roller in relation to the roller holder.
- said motor means comprise a linear electric motor for each movable support, with the particularity that the primary element is the one that is fixed to the bench and the secondary element is the one that is fixed to the movable support, of so that the power and control cables of the primary element are not displaced together with the movable support.
- the invention provides a flexographic printing machine with improved stability printing units
- the machine in question is of the type comprising at least one printing drum arranged to rotate about an axis supported between two side benches and adapted to support a web of a sheet material to be printed, and one or more printing units comprising, each one: a clichés roller arranged to rotate about an axis parallel to said axis of the printing drum and supported by its two ends in respective first movable supports arranged to move along respective first linear guide elements attached to said benches lateral carrying said clichés roller one or more clichés mounted on the surface thereof whose relief produces when turning variations or level jumps on its surface; and first drive means driven by electric linear motors arranged to move the first movable supports (along their respective first guide elements in order to change said roller holder between a printing position, in which a surface of one or more clichés mounted on the cliché roller is in contact with said web of sheet material on said printing drum (1), and under a determined pressure depending on the relief of said cliché and a non-printing position, in which the roller The holder is not in contact with the printing drum and the pressure
- the machine incorporates control means applied to regulate / control the operation of said linear motors by detecting the position of moving parts of the linear motors in order to tend to return the roller holder to said printing position in response to position variations detected during operation and produced by said variations or level jumps,
- the proposal of the invention resides in adapting said control means to regulate one or more control parameters in order to modify in a predetermined manner the conditions of the response that the linear motors offer to said variations of position tending to return the roller canal holder to the printing position.
- control means of the linear motors act to at least partially disable their response and thus counteract a possible resonance effect of said system.
- Said control means in an embodiment of the invention comprise: a linear encoder or other device of equivalent functionality, arranged to generate a position signal representative of the position of the mobile part of each of the linear motors in relation to its respective fixed part; an electrical and / or electronic circuitry adapted to repeatedly compare said position signal generated by said linear encoder and a predetermined working position and generate a control signal for the linear motor tending to return the moving part to said predetermined working position in response to any variation between the position signal generated by said linear encoder and the preset working position including said electrical and / or electronic circuitry a frequency filter adapted to apply said control signal at certain application frequencies and except for a frequency range located around a natural frequency of said system formed by the roller holder or inking roller, the first movable supports and said moving parts of the corresponding linear motors attached thereto, and Said electronic circuitry may include a position control module adapted to generate a position error signal from the comparison between the position signal generated by the linear encoder and the preset working position and as a function of the gain and /
- said electrical and / or electronic circuitry includes a speed control module to generate a speed control signal from said position error signal generated by said position control module.
- said electrical and / or electronic circuitry includes a force control module to control a current of the linear motor supply current (11, 12) from said speed control signal generated by said control module of speed, and depending on the gain and / or integral time and / or derivative time.
- Said electronic circuitry may include two or more modules of the mentioned functionally combined.
- Fig. 1 is a diagram schematically illustrating the dynamic behavior of a roller holder in a printing unit equipped with nut and spindle drives
- Fig. 2 is a diagram that schematically illustrates the dynamic behavior of a roller holder in a printing unit equipped with linear motor drives
- Fig. 3 is a diagram schematically illustrating control means applied to control the operation of linear motors in a flexographic printing machine with improved stability printing units according to the present invention
- Fig. 4 is a schematic side elevation view of a flexographic printing machine with improved stability printing units according to a first embodiment of the present invention
- Fig. 5 is a schematic profile view showing a roller holder in contact with a printing drum and an inking roller;
- Fig. 6 is an enlarged detail showing a printing unit of the machine of Fig. 4;
- Fig. 7 is a cross-sectional view of the printing unit of Fig. 6;
- Fig. 8 is a schematic side elevation view of a flexographic printing machine with improved stability printing units according to a second embodiment of the present invention;
- Fig. 9 is an enlarged detail showing a printing unit of the machine of Fig. 8;
- Fig. 10 is a cross-sectional view of the printing unit of Fig. 9;
- Fig. 11 is a cross-sectional view of a printing unit according to a variant of the second embodiment
- Fig. 12 is a schematic side elevation view of a flexographic printing machine with improved stability printing units according to a third embodiment of the present invention.
- Fig. 13 is an enlarged detail showing a printing unit of the machine of Fig. 12;
- Fig. 14 is a cross-sectional view of the printing unit of Fig. 13;
- Fig. 15 is a schematic side elevation view of a flexographic printing machine with improved stability printing units according to a fourth embodiment of the present invention.
- Fig. 16 is an enlarged detail showing a printing unit of the machine of Fig. 15;
- Fig. 17 is a cross-sectional view of the printing unit of Fig. 16; Detailed description of some embodiments
- Figs. 1 and 2 the differences in dynamic behavior of a roller holder in a printing unit of a flexographic printing machine as described with nut and spindle drives or linear motor drives are described below.
- a flexographic printing machine generally comprises a rotating support roller 1 that supports a web of sheet material 9 to be supported on it, and one or more printing units provided, each, of a roller holder 5 arranged to make contact against the sheet material 9 on the support roller 1 in a printing position and an inking roller 6 arranged to make contact with the roller holder 5 in an inking position.
- the roller holder 5 is composed of a core 30 on which a removable sleeve 31 is installed, which has one or more clichés 4 mounted thereon.
- the mentioned clichés 4 have a thickness that produces level jumps in the surface of the roller holder 5, and also the surface of the clichés 4 itself includes irregularities.
- Fig. 1 schematically illustrates the dynamic behavior of the roller holder 5 in a printing unit equipped with nut and spindle drives.
- the roller holder 5 has a mass Mrp and is rotatably supported at its ends on movable supports linearly guided on corresponding side benches 2 of the machine.
- Each of said movable supports is connected by one or more nuts to one or more spindles driven by electric rotating motors.
- a rotation of said rotating motors produces a displacement of the roller holder 5 between printing and service positions, and this displacement capacity is also used to regulate the pressure exerted by the roller holder 5 against a support roller 1 in the position of service.
- the scheme of Fig. 2 schematically illustrates the dynamic behavior of the roller holder 5 in a printing unit equipped with linear motor drives.
- the roller holder 5 has a mass Mrp and is rotatably supported at its ends on movable supports linearly guided on corresponding lateral benches 2 of the machine, but each of said movable supports is fixed to a moving part of a linear motor , which exerts a pushing force Fm against the mass of the mobile part of the linear motor Mm.
- the pushing force Fm opposes the printing force Fi applied by the printing roller 1 on the mass of the clutch roller Mrp.
- the moving parts of the linear motors can reverse a displacement Dm with respect to the lateral bed 2, overcoming the pushing force Fm, and are controlled to try to return the roller 5 clip holder to its printing position.
- a certain elasticity inherent to the roller holder 5 and its supports etc. in conjunction with the thrust force Fm of the linear motors, it causes the system to act as a spring K2 against said printing force Fi.
- the essential feature of the present invention comprises using control means to influence the way in which the linear motors respond to the displacements Dm of the masses of the moving parts of the linear motors Mm in order to make the linear motors act as an Am damper to prevent the system from resonating.
- control means can integrate a position control module 50, a speed control module 51 and a force control module 52 that can act in combination as shown in Fig. 3 or individually or partners in pairs.
- the linear motor will be operated to govern its response curve in case of any alteration of the position of the roller holder or inking roller, as explained.
- An encoder associated with the linear motor 10, 11 and on the left margin a control block of preset base parameters (set) has been indicated with the numerical reference 35.
- a flexographic printing machine with printing units 3 of improved stability including an arrangement of linear guide elements and linear motors for carrying out the displacements of the roller holders and inking 5, 6, in which the control device described above can be applied.
- All of the embodiments described herein have in common a single support roller in the form of a central printing drum 1, of large dimensions, arranged to rotate about an axis 32 supported by its ends by bearings installed in two side benches 2 (only one of which is visible in the figures), so that the printing drum 1 is arranged between said two side benches 2.
- the printing drum 1 is adapted to support, while rotating, a web of sheet material 9 to be printed, which moves without relative movement between the printing drum 1 and the web of material laminar 9.
- a web of sheet material 9 to be printed which moves without relative movement between the printing drum 1 and the web of material laminar 9.
- several printing units 3 are arranged to successively print the web of sheet material 9 with inks of different colors.
- Each printing unit 3 comprises a roller holder 5 arranged to rotate about an axis parallel to said axis 32 of the printing drum 1 and supported by its two ends in bearings mounted on respective first movable supports 7 arranged to move along of respective first linear guide elements attached to said lateral benches 2.
- the roller holder 5 comprises a core 30 and a removable sleeve 31, which carries one or more 4 clichés mounted on it.
- Said first movable supports 7 are operatively connected to first drive means driven by linear electric motors 11, 12 arranged to move the first movable supports 7 along their respective first linear guide elements in order to change said roller holder 5 between a printing position, in which a surface of the cliché or of the clichés 4 mounted on the roller holder 5 is in contact with the web of sheet material 9 on the printing drum 1, and a service position, in Ia that the roller holder 5 is separated from the printing drum.
- a rotating electric motor (not shown) operatively connected to rotate the roller holder 5 with a tangential speed on its surface equal to the tangential speed of the sheet material 9 on the printing drum 1.
- Each printing unit 3 further comprises an inking roller 6 arranged to rotate about an axis parallel to the axis 32 of the printing drum 1 and supported by its two ends in bearings mounted on respective second movable supports 8 arranged to move to Io along respective second linear guide elements attached to the side benches 2. As shown in Fig.
- the inking roller 6 comprises a core 33 and a removable sleeve 34, which has a honeycomb surface, also called “ anilox ", in permanent contact with an ink applicator device (not shown).
- Said second movable supports 8 are operatively connected to second drive means driven by linear electric motors 11, 12 arranged to move said second movable supports 8 along their respective second linear guide elements in order to change said inking roller 6 between an inking position, in which the ink roller 6 is in contact with said roller holder 5, and a service position, in which the ink roller is separated from the roller holder 5.
- the second movable supports 8 located on one of the side benches 2 there is a rotating electric motor (not shown) operatively connected to rotate the inking roller 6 with a tangential speed on its surface equal to the tangential speed of the surface of the clichés 4 in the roller holder 5.
- the bearing associated with the other of the second movable supports 8 located on the opposite side bench 2 it can be opened to release the corresponding end of the axis of the inking roller 6 while the shaft is supported in cantilever by the opposite end, and the movable support 8 can be separated so that the sleeve 33 with the anilox surface It can be removed and / or replaced.
- the side benches 2 comprise openings 13 associated with the printing units 3 and dimensioned to allow the movements of the roller holder and inking rollers 5, 6 as well as the extraction and placement through the sleeves 31, 33 of the roller holders and inking 5, 6. Accordingly, the first and second linear guide elements of each printing unit 3 are arranged to guide the displacements of the first and second movable supports 7, 8 facing said openings 13 and along them. In Figs. 4, 6, 8, 9, 12, 13, 15 and 16 the first and second movable supports 7, 8 of each printing unit 3 are shown in their remote positions to allow the placement and removal of the shirts 31, 33 of the roller holder and inking roller 5, 6.
- each linear motor 11, 12 is formed by a mobile part 11 attached to one of the first or second movable supports 7, 8 and a fixed part 12 attached to the corresponding bench 2.
- said mobile part 11 of the linear motor is a primary element 11 that includes at least one winding and the fixed part 12 is in the form of a secondary element 12 that includes one or more rows of permanent magnets arranged along the length of an elongated plane.
- the primary element 11 that includes the winding of the linear motor is fixed to the corresponding first or second movable support 7, 8 while the secondary element 12 which includes the permanent magnets is fixed to the corresponding bench 2.
- the first and second elements of Linear guides are purposely arranged to guide the displacements of the first and second movable supports 7, 8 so that the primary elements 11 fixed thereto move facing said elongated plane defined by its corresponding secondary element 12, and along the same.
- Figs. 4, 6 and 7 show a flexographic printing machine according to a first embodiment of the present invention, which comprises several printing units 3 arranged around the central printing drum 1, including the common elements described above.
- each printing unit 3 shown separately in Figs. 6 and 7) each of the first and second movable supports 7, 8 has fixed two primary elements 11, one of them facing a secondary element 12 fixed to the bench 2 above the corresponding opening 13 and the other facing another secondary element 12 fixed to the bench 2 below the opening 13. It will be observed that in all the printing units 3 located on each side of the central drum 1, those mentioned First and second linear guide elements (which will be described in greater detail below) are parallel to each other.
- each two of said adjacent openings 13 there is a single secondary element 12 defining two elongated planes, parallel, on opposite sides thereof.
- these secondary elements 12 of the linear motors are arranged extending outwardly from the side frame 2, with the mentioned two elongated planes oriented in a position parallel to a Pr plane defined by the axes of the roller holder and inking rollers 5, 6, therefore being one of the two parallel elongated planes located on an upper side of the secondary element 12 and the other on its lower side.
- each of the secondary elements 12 located between two adjacent openings 13 is common for four primary elements 11, two of them connected respectively to the first and second movable supports 7, 8 of the printing unit 3 located on the upper side with respect to to the secondary element 12 and the other two respectively connected to the first and second movable supports 7, 8 of the printing unit 3 located on the lower side with respect to the secondary element 12.
- the vectors resulting from the forces provided by the Linear motors 11, 12 are conveniently aligned with the plane Pr defined by the axes of the roller holder and inking roller 5, 6.
- the first and second linear guide elements comprise an upper rail 14 fixed to the corresponding lateral bed 2 between the opening 13 and the secondary element 12 located above the opening 13 and a lower rail 15 fixed to the corresponding lateral bench 2 between the opening 13 and the secondary element 12 located below the opening 13.
- Each of the first and second movable supports 7, 8 has an upper slide 16 attached to said rail upper 14 and a lower slide 17 coupled to said lower rail 15. Accordingly, said upper rail 14 is common for at least two of said upper slides 16, one of them attached to the first movable support 7 and the other attached to the second movable support 8, and said lower rail 15 is common for two of said lower slides 17, one attached to the first movable support 7 and the other attached to the second mo bracket v. 8.
- FIG. 7 only the first movable supports 7 are shown, the arrangement of the primary elements 11 and upper and lower slides 16, 17 is analogous to the second movable supports 8.
- each of the first and second movable supports 7, 8 could have more than one upper slide 16 and / or more than one lower slide 17, or the upper and lower rails 14, 15 could be independent for each of the first and second movable supports 7, 8 without out of the scope of the present invention.
- Figs. 8, 9 and 10 a second embodiment of the flexographic printing machine of the invention is described, comprising several printing units 3 arranged around the central printing drum 1, including the common elements described above. In each printing unit 3 (shown separately in Figs.
- each of the first and second movable supports 7, 8 has fixed a primary element 11 facing a secondary element 12 fixed to the bench 2 within the Ia opening 13.
- the secondary element 12 is arranged with its elongated plane oriented in a position parallel to a plane Pr defined by the axes of the roller holder and inking rollers 5, 6.
- the secondary element 12 is common both for the primary element 11 attached to the first movable support 7 as for the primary element 11 attached to the second movable support 8. As shown in Fig.
- the first and second linear guide elements comprise at least one pair of rails 18 fixed to the corresponding side bed 2 on either side of the secondary element 12 within the opening 13, and each of the first and second movable supports 7, 8 is fixed you give at least one pair of slides 19, each coupled to a respective rail of said pair of rails 18.
- each rail of the pair of rails 18 is common for at least two of said slides 19, one of them attached to the first support movable 7 and the other attached to the second movable support 8.
- the arrangement of the primary element 11 and the slides 19 is analogous to the second movable supports 8.
- each one of the first and second movable supports 7, 8 could carry more than two slides 19, or the rails 18 could be independent for each of the first and second movable supports 7, 8 without departing from the scope of the present invention.
- each of the first and second movable supports 7, 8 of each printing unit 3 has a primary element 11 facing a secondary element 12 arranged with its elongated plane oriented in a position perpendicular to a Pr plane defined by the axes of the roller holder and inking rollers 5, 6.
- This secondary element 12 is fixed to the bench 2 below the opening 13, although alternatively it could be fixed above the opening 13 with an equivalent result.
- the secondary element 12 is common for both primary elements 11 connected to the first movable support 7 and the second movable support 8, respectively.
- the first and second linear guide elements comprise a single rail 20 fixed to the corresponding lateral bench 2 within the opening 13, in a plane parallel to the plane Pr defined by the axes of the roller holder and inking rollers 5, 6, and each of the first and second movable supports 7, 8 have a slide 21 attached to said rail 20.
- the rail 20 is common for two of said slides 21, one of them attached to the first movable support 7 and the other attached to the second movable support 8.
- Fig. 11 only a first movable support 7 is shown, the arrangement of the primary element 11 and the slide 21 is analogous for the second movable supports 8.
- each of the first and second supports movable 7, 8 could carry more than one slide 21, or there could be independent rails 20 for each of the first and second movable supports 7, 8 without departing from the scope of the present invention.
- each printing unit 3 (shown separately in Figs. 13 and 14), each of the first and second movable supports 7, 8 is fixed with a primary element 11 facing a respective secondary element 12 arranged with its elongated plane oriented in a position perpendicular to a plane Pr defined by the axes of the roller holder and inking rollers 5, 6.
- Each secondary element 12 extends in relation to an imaginary longitudinal center line Lc.
- the two secondary elements 12 are fixed to the bed 2 on either side of the opening 13 with their respective central longitudinal lines Lc aligned with each other and aligned with said plane Pr defined by the axes of the roller holder and inking roller 5, 6.
- the vectors of the forces provided by the linear motors 11, 12 are conveniently aligned with the plane Pr defined by the axes of the roller holder and inking roller 5, 6.
- the first and Second linear guide elements comprise at least one upper rail 22 fixed to the corresponding side frame 2 above the secondary elements 12 and above the opening 13 and at least one lower rail 23 fixed to the corresponding side frame 2 below the elements secondary 12 and below the opening 13.
- each of the first and second movable supports 7, 8 has at least one upper slide 24 attached to said upper rail 22 and at least one lower slide 25 coupled to said lower rail 23.
- the said upper rail 22 is common for two of said upper slides 24, one attached to the first movable support 7 and the other attached to the second movable support 8
- said lower rail 23 is common to at least two of said lower slides 25, one of them connected to the first movable support 7 and the other joined to the second movable support 8.
- Fig. 14 only the first movable support 7 is shown, the arrangement of the primary element 11 and the upper and lower slides 24, 25 it is analogous to the second movable supports 8.
- each of the first and second movable supports 7, 8 could have more than one upper slide 24 and / or more than one lower slide 25, or the upper rails upper and lower 22, 23 could be independent for each of the first and second movable supports 7, 8 without departing from the scope of the present invention.
- FIGs. 15, 16 and 17 show a flexographic printing machine according to a fourth embodiment of the present invention, which comprises several printing units 3 located around the central printing drum 1, including the common elements described above.
- each printing unit 3 (better shown in Figs. 16 and 17) each of the first and second movable supports 7, 8 has two primary elements 11 fixed, one of them facing a secondary element 12 fixed to the bench 2 above the corresponding opening 13 and the other facing another secondary element 12 fixed to the bench 2 below the opening 13.
- each of the secondary elements 12 is common for at least two primary elements 11, one of they connected to the first movable support 7 and the other connected to the second movable support 8.
- Each of the secondary elements 12 is arranged with its elongated plane oriented in a position perpendicular to a plane Pr defined by the axes of the roller holder and inking rollers 5, 6. With this construction, the vectors resulting from the forces provided by the linear motors 11, 12 are conveniently aligned with the plane Pr defined by the axes of the roller holder and inking roller 5, 6.
- the first and second linear guide elements comprise an upper rail 26 fixed to the corresponding lateral bench 2 above the secondary element 12 located above the opening 13 and a lower rail 27 fixed to the corresponding bench lateral 2 below the secondary element 12 located below the opening 13.
- Each of the first and second movable supports 7, 8 has an upper slide 28 attached to said upper rail 26 and a lower slide 29 coupled to said lower rail 27, so that said upper rail 26 is common for two of said upper slides 28, one attached to the first movable support 7 and the other attached to the second movable support 8, and said lower rail 27 is common to two of said slides lower 29, one of them attached to the first movable support 7 and the other joined to the second movable support 8.
- each of the first and second movable supports 7, 8 could carry more than one upper slide 28 and / or more than one lower slide 29, or the upper and lower rails 26, 27 could be independent for each of the first and second movable supports 7, 8 without departing from the scope of the present invention
- the arrangement of the primary and sliding upper and lower primary elements 11, 29 is analogous for the second movable supports 8.
- each of the first and second movable supports 7, 8 could carry more than one upper slide 28 and / or more than one lower slide 29, or the upper and lower rails 26, 27 could be independent for each of the first and second movable supports 7, 8 without departing from the reach of the present invention.
- One skilled in the art will be able to make modifications and variations from the examples of embodiment shown and described without departing from the scope of the present invention as defined in the appended claims.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07870216A EP2123455A1 (en) | 2007-01-26 | 2007-12-20 | Flexographic printer including printing units with improved stability |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200700211A ES2303471B1 (es) | 2007-01-26 | 2007-01-26 | Maquina impresora flexografica con unidades de impresion de estabilidad mejorada. |
ESP200700211 | 2007-01-26 |
Publications (1)
Publication Number | Publication Date |
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WO2008090240A1 true WO2008090240A1 (es) | 2008-07-31 |
Family
ID=39637040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2007/000743 WO2008090240A1 (es) | 2007-01-26 | 2007-12-20 | Máquina impresora flexográfica con unidades de impresión de estabilidad mejorada |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2123455A1 (es) |
ES (1) | ES2303471B1 (es) |
WO (1) | WO2008090240A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1402966B1 (it) * | 2010-12-06 | 2013-09-27 | Flexotecnica S P A | Metodo per il settaggio del posizionamento di corpi di stampa in macchine per la stampa flessografica |
ES2533503B1 (es) * | 2013-10-07 | 2016-02-26 | Comexi Group Industries, Sau | Método para realizar diferentes aplicaciones específicas mediante una unidad impresora común, unidad impresora para implementar dicho método y máquina de tratamiento de sustrato en banda incluyendo dicha unidad impresora |
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US5953991A (en) * | 1997-05-17 | 1999-09-21 | Man Roland Druckmaschinen Ag | Swivelable cylinder driven by an electric individual drive |
US6360664B1 (en) * | 1999-02-01 | 2002-03-26 | Man Roland Druckmaschinen Ag | Apparatus for the axial guidance and adjustment of a cylinder |
US20020078844A1 (en) * | 2000-08-30 | 2002-06-27 | Man Roland Druckmaschinen Ag | Rotary printing machine |
US6494138B1 (en) | 1999-08-10 | 2002-12-17 | Man Roland Druckmaschinen Ag | Printing unit |
KR20030089114A (ko) * | 2002-05-16 | 2003-11-21 | 한국기계연구원 | 인쇄기의 3축변위 제어장치 |
WO2006015889A1 (de) * | 2004-08-05 | 2006-02-16 | Koenig & Bauer Aktiengesellschaft | Vorrichtungen zur lagerung eines zylinders einer druckeinheit sowie druckeinheit |
EP1634701A2 (en) | 2004-09-10 | 2006-03-15 | Valentini, Maria Grazia | Supporting and releasably holding device for a printing cylinder hub |
WO2006111556A2 (de) * | 2005-04-21 | 2006-10-26 | Koenig & Bauer Aktiengesellschaft | Druckwerke mit mindestens zwei zusammenwirkenden zylindern und radial verstellbaren lagereinheiten |
-
2007
- 2007-01-26 ES ES200700211A patent/ES2303471B1/es not_active Expired - Fee Related
- 2007-12-20 WO PCT/ES2007/000743 patent/WO2008090240A1/es active Application Filing
- 2007-12-20 EP EP07870216A patent/EP2123455A1/en not_active Withdrawn
Patent Citations (8)
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US5953991A (en) * | 1997-05-17 | 1999-09-21 | Man Roland Druckmaschinen Ag | Swivelable cylinder driven by an electric individual drive |
US6360664B1 (en) * | 1999-02-01 | 2002-03-26 | Man Roland Druckmaschinen Ag | Apparatus for the axial guidance and adjustment of a cylinder |
US6494138B1 (en) | 1999-08-10 | 2002-12-17 | Man Roland Druckmaschinen Ag | Printing unit |
US20020078844A1 (en) * | 2000-08-30 | 2002-06-27 | Man Roland Druckmaschinen Ag | Rotary printing machine |
KR20030089114A (ko) * | 2002-05-16 | 2003-11-21 | 한국기계연구원 | 인쇄기의 3축변위 제어장치 |
WO2006015889A1 (de) * | 2004-08-05 | 2006-02-16 | Koenig & Bauer Aktiengesellschaft | Vorrichtungen zur lagerung eines zylinders einer druckeinheit sowie druckeinheit |
EP1634701A2 (en) | 2004-09-10 | 2006-03-15 | Valentini, Maria Grazia | Supporting and releasably holding device for a printing cylinder hub |
WO2006111556A2 (de) * | 2005-04-21 | 2006-10-26 | Koenig & Bauer Aktiengesellschaft | Druckwerke mit mindestens zwei zusammenwirkenden zylindern und radial verstellbaren lagereinheiten |
Also Published As
Publication number | Publication date |
---|---|
EP2123455A1 (en) | 2009-11-25 |
ES2303471B1 (es) | 2009-04-16 |
ES2303471A1 (es) | 2008-08-01 |
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