EP2170606A2 - Filtration für druckmaschinen - Google Patents
Filtration für druckmaschinenInfo
- Publication number
- EP2170606A2 EP2170606A2 EP08784855A EP08784855A EP2170606A2 EP 2170606 A2 EP2170606 A2 EP 2170606A2 EP 08784855 A EP08784855 A EP 08784855A EP 08784855 A EP08784855 A EP 08784855A EP 2170606 A2 EP2170606 A2 EP 2170606A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- dampening solution
- dampening
- solution
- circuit
- fountain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007639 printing Methods 0.000 title claims abstract description 21
- 238000001914 filtration Methods 0.000 title description 3
- 238000004140 cleaning Methods 0.000 claims abstract description 78
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 31
- 238000013461 design Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000008901 benefit Effects 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007645 offset printing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000009295 crossflow filtration Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004909 Moisturizer Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
- B41F7/24—Damping devices
- B41F7/32—Ducts, containers, or like supply devices for liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0054—Devices for controlling dampening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2235/00—Cleaning
- B41P2235/30—Recovering used solvents or residues
- B41P2235/31—Recovering used solvents or residues by filtering
Definitions
- the invention relates to a dampening solution circuit for a printing press and to a printing press with such a dampening solution circuit.
- dampening units are used in offset printing machines.
- the task of the dampening unit is to apply a dampening solution evenly to the printing plate of an offset printing press.
- the dampening solution is e.g. via a water box, nozzles or similarly applied to a first roller.
- a water film is applied as uniformly as possible by the roller over various other rollers on the printing plate of the printing press.
- the soiled dampening solution is generally removed, e.g. cleaned by filtration.
- DE 100 61 870 A1 discloses a cleaning system in which a feed pump removes dampening water from a buffer and pumps the dampening water into a cleaning unit.
- a further pump is provided, which presses the fountain solution through a pressure filter.
- the entire dampening water flow through the Guided cleaning unit.
- Such a cleaning unit must therefore have a certain size and is relatively expensive to produce.
- US Pat. No. 7,082,159 discloses a cleaning unit in which the fountain solution is conveyed from a central tank, from which the printing units of a printing press are fed, by means of a pump and passed through various cleaning devices.
- the cleaned fountain solution is returned to the central tank after cleaning.
- the disclosed device has the disadvantage that the fountain solution must be conveyed through a drain from the central tank, which is regularly arranged in a certain area of the central tank and therefore only removes dampening water in this particular area, so that dampening water from other areas in the central tank proportionally led to a lesser extent by the cleaning device and therefore not cleaned. This applies, for example, to the dampening water in the region of a dampening water level in the central tank, since the flow is generally arranged clearly below the dampening water level.
- DE 103 60 051 A1 discloses a device in which contaminants which have adhesive properties are conveyed out of a tank via what is known as a belt skimmer. This device has the disadvantage that only dirt with adhesive properties adhere to the tape and can be removed from the dampening solution via such a device.
- a first aspect of the invention relates to a dampening solution circuit for a printing press, wherein the dampening solution circulation a dampening unit, a fountain solution main container, a fountain solution supply and a
- Dampening solution recycling wherein the dampening solution supply between the fountain solution main container and the dampening unit is arranged so that the dampening unit from the fountain solution main via the dampening solution fountain solution can be supplied, the dampening solution return between the dampening unit and the fountain solution main is arranged such that dampening solution from the dampening unit on the dampening solution return in the dampening solution supply is traceable, and wherein in the dampening solution return a cleaning branch with a
- Moisture cleaning device which is designed such that during operation of the dampening solution circuit from a fountain solution main stream a first Feuchtstoffteilstrom from the fountain solution hau ptstrom through the dampening solution cleaning device is conductive, and wherein the cleaning branch is connected to the dampening solution circuit that the dampening solution purified in the dampening solution cleaning device is traceable to the dampening solution supply.
- dampening solution circuit is an open circuit, in the sense that the circulating dampening solution circulates continuously during operation Dampening solution can be recycled at another point in the circulation in such a way that the dampening solution reaches the dampening solution feed on its subsequent path.
- a portion of the fountain solution e.g. be transferred via the humidification during printing in the printing process and is then i.d.R. no longer traceable to the circulation. Further dampening solution can e.g. lost in the cleaning device the circulation.
- dampening solution is preferably replaced in the circulation, wherein the dampening solution, which is fed to the fountain solution, is preferably checked for its quality. This is preferably done continuously.
- quality preferably comprises a composition of the dampening solution (for example a water-alcohol ratio) and / or the temperature and / or the exposure to colored particles and / or the like.
- the dampening solution circuit is preferably designed such that the monitoring and / or the control and control of the dampening solution quality and quantity takes place in the component of the dampening solution circuit, which is referred to herein as the fountain solution main container.
- dampening solution main flow dampening solution part flow usually designate flow volumes per unit time.
- a further advantageous embodiment relates to a dampening solution circuit in which the dampening solution recycling is designed such that no dampening solution pump is provided between dampening unit and dampening solution cleaning device.
- dampening solution pump is primarily used to refer to dampening solution delivery devices which are suitable for to cause a pressure change in a volume unit in the dampening solution, which is suitable to promote the dampening solution to a different height level. Therefore, for example, conveyors in which only a negligible pressure difference is generated, in which, for example, the dampening solution is always exposed to the same atmospheric pressure as in an Archimedean spiral or other funding, which cause no turbulence in dampening solution.
- dampening solution pumps which are arranged such that air is stirred into the dampening solution during the pumping process. Pumps, which are arranged for example in the cleaning device itself and completely covered with fountain solution, and / or are so slow-rotating that an emulsification can be prevented, are therefore also not covered by the term dampening solution pump.
- Such a dampening solution circuit preferably has a design in which a second dampening solution sub-stream can be generated temporally in parallel and spatially separated from the first dampening solution sub-stream.
- dampening solution circuit which is designed such that the second dampening solution partial flow does not pass through a cleaning device on the way into the dampening solution supply.
- a further advantageous embodiment relates to such a dampening solution circuit in which the ratio between the first dampening solution sub-stream and the second dampening solution sub-stream can be controlled and / or regulated.
- Dampening solution main stream and the second dampening solution part stream is adjustable.
- Regulation of the second dampening solution partial stream preferably takes place "dampening system-based", that is to say independent of the first dampening solution sub-stream to be cleaned.
- the regulation prioritises the operation of the dampening system.Therefore, a cleaning device can be installed in an existing dampening circuit, without the
- such a dampening solution circuit preferably has a design in which the dampening solution return further comprises an intermediate container and a removal device, which are designed such that dampening solution in the intermediate container, coming from one or more dampening units, collectible, and that the first dampening solution partial stream by means of Removal device is derivable from the intermediate container.
- the dampening solution circuit and the intermediate container are designed such that adjust different concentrations of impurities in the dampening solution at different locations of the intermediate container in the dampening solution during operation of the dampening solution circuit (eg due to different flow conditions in the intermediate container and / or different density of dampening solution and impurities).
- the removal device in the dampening solution is preferably arranged at a point at which a higher impurity concentration is established during operation of the dampening solution circuit than at other points in the intermediate container.
- Different flow conditions in different areas of the Intermediate container can be generated, for example by inducing a rotating flow, with impurities depending on the density difference in relation to dampening in the center of a vortex generated or in the radial direction outside in the edge region of the vortex reach a higher concentration than in other areas of the flow.
- the intermediate container preferably has a volume of between 20 l and 300 l, more preferably between 50 l and 150 l.
- an intermediate container size of 50 l may be preferred, and for roll machines having a roll width of about 2 m, the intermediate container may have a filling volume of between 100 l and 150 l.
- volume size and / or flow duration are preferably dimensioned such that the average residence time of the dampening solution is between half a minute and 3 minutes, more preferably about 1 minute.
- a plurality of removal devices are preferably provided, which are arranged in the dampening solution at a plurality of locations with high concentrations of different impurities such that dampening solution substreams with different impurities are supplied to different purification devices.
- color residues and / or oily residues in the area of the fountain solution surface can be removed, and pressure powder, which settles more on the bottom, can preferably be removed together with a dampening solution stream in the bottom area of the intermediate container.
- a pump is preferably provided in the intermediate container, which returns dampening solution from the intermediate container in the dampening solution supply, wherein preferably at least a portion of the dampening solution is traceable into the fountain solution main container.
- the pump can be provided at a location at which the first dampening solution part stream after passing through the
- Dampening solution already back to the second Feuchtstoffteilstrom is united (eg when the second dampening solution partial stream is returned after cleaning in the intermediate tank.)
- the pump can only promote the second dampening solution part stream (eg if the second dampening solution partial stream is introduced directly into the fountain solution main tank).
- the dampening solution return opens into the fountain solution main container.
- dampening solution circuit in which the cleaning branch opens into the intermediate container behind the dampening solution cleaning unit in the conveying direction is preferred.
- a further advantageous embodiment relates to such a dampening solution circuit in which the cleaning branch is connected directly to the fountain solution main container, so that the first dampening solution partial stream can be introduced directly into the dampening solution main container after the dampening solution cleaning device.
- the removal device is designed in such a way that dampening solution can be removed via the removal device at different fill levels in the intermediate container in the region of the dampening surface.
- a removal device can be designed so controllable that, for example, a removal opening of the removal device moves with changing level of the fountain solution in the intermediate container up or down. This can be done for example by a surface skimmer, the removal opening of the wandering dampening surface is tracked via a float. It is conceivable an electronic control of the position of such a removal opening, wherein the control is preferably carried out in response to signals from one or more level sensors.
- a further advantageous embodiment relates to a dampening solution circuit in which the removal device has a discharge edge, which is arranged below the fountain solution surface such that the discharge of the dampening solution takes place by means of flow of the dampening solution over the outflow edge.
- the outflow edge can preferably be arranged as a function of the filling level in the intermediate container at a certain distance from the dampening solution surface.
- a drainage edge may e.g. be the edge of a pipe or a hose, which can be moved from below to the fountain solution surface. It is preferred if the edge is designed and can be moved to the dampening surface such that it does not have any areas projecting beyond the dampening surface, since such protruding areas are easily contaminated.
- the drainage edge is adjustable via a float or via an electronic device mentioned above at a preferred distance from the dampening surface.
- the outflow edge can be set over a removal region at different distances to the dampening surface so that a defined dampening agent outflow can be generated over the length of the outflow edge in conjunction with the fill level reaching beyond the edge.
- such a dampening solution circuit has a design in which the intermediate container by an intermediate wall in an area of influence and a
- Outflow area is divided, wherein the introduction of coming from the dampening or the dampening means in the sphere of influence, wherein the intermediate wall a
- Influence area is arranged. This will create a separation between
- Influence area and outflow area allows so that the dampening solution before it flows through the flow opening, remains sufficiently long in the sphere of influence, so that impurities can rise or settle to the dampening surface. It is preferred if the statements made above with respect to the intermediate container essentially apply to the influence range, so that corresponding impurities accumulate in certain floor areas or in certain areas of the dampening surface FO.
- the influence range preferably has a volume of between 20 l and 300 l, more preferably between 50 l and 150 l. For example, for smaller machines, an influence range size of 50 l may be preferred, and for roller machines having a roll width of about 2 m, the influence range may have a fill volume of between 100 l and 150 l.
- the volume size and / or flow duration are preferably dimensioned such that the average residence time of the dampening solution is within the range of influence between half a minute and 3 minutes, more preferably about 1 minute.
- a plurality of removal devices are preferably provided in the area of influence, which are arranged in the dampening solution at several points with high concentrations of different impurities such that dampening solution substreams with different impurities are supplied to different cleaning devices.
- color residues and / or oily residues in the area of the fountain solution surface can be removed, and pressure powder, which settles more on the bottom, can preferably be removed together with a dampening solution stream in the bottom area of the intermediate container.
- the flow opening is preferably arranged in the bottom region of the influence region, since the impurities usually have a lower density than the dampening solution and therefore rise to the surface.
- the volume of the influence area is preferably dimensioned such that an average time of residence of the dampening solution in the area of influence is ensured, which makes it possible to drive on lighter components such as oil and dyes.
- Preferred is an upwardly tapering design of the area of influence which causes upwardly rising impurities to accumulate concentrated in the tapered area.
- a dampening solution circuit in which the cleaning unit has a separator.
- a separator can be provided in a preferred embodiment, for example in the form of a centrifuge.
- a further advantageous embodiment relates to such a dampening solution circuit in which the cleaning unit has a cross-flow filter.
- cross-flow filtration a flow on a suspension side is generated substantially parallel to a filter medium, wherein the filter medium of the liquid is transversely permeable, while the impurities are preferably carried away largely with the flow.
- the advantage of the cross-flow filtration is that a deposition of impurities on the filter medium is prevented or made more difficult by the flow parallel to the filter medium.
- preferably permanent filter materials are used. Also conceivable is the additional or alternative use of consuming filter materials.
- a design of a dampening solution circuit in which the cleaning device has a filter unit with exchangeable filters.
- filters may e.g. be provided in the form of filter bags or filter mats. Conceivable are also other filter forms. The advantage of these embodiments lies in a favorable device price.
- such a dampening solution circuit preferably has a design in which the cleaning device is constructed as a cascade system.
- Another aspect of the invention relates to a printing machine with such a dampening solution circuit.
- FIG. 1 is a schematic representation of a preferred first embodiment of a dampening solution circuit according to the invention
- FIG. 2 shows a schematic representation of a preferred second embodiment of a dampening solution circuit according to the invention
- FIG. 3 is a schematic representation of a preferred third embodiment of a dampening solution circuit according to the invention.
- Fig. 4 is a schematic representation of a preferred intermediate container with a preferred removal device in cross-section and
- Fig. 5 is an enlarged view of the removal device of Fig. 4 in the region of a removal opening.
- FIG. 1 shows a schematic representation of a preferred first embodiment of a dampening solution cycle 1 according to the invention.
- a dampening solution main container 3 in which a certain amount of ready-dampening solution is provided, which by means of a pump not shown in more detail the dampening solution via a dampening solution supply 4 a Dampening unit 2 feeds.
- a dampening solution supply 4 a Dampening unit 2 feeds.
- four towers are shown schematically in Fig. 1, each having at least one dampening unit 2.
- the dampening solution return 5 may have various components, such as pipes, reservoir etc.
- a first region of the dampening solution return 5 opens into a cleaning branch 6, so that the entire dampening solution main stream F H is guided through a dampening solution cleaning device 7 as the first dampening solution subflow Fn.
- the dampening solution is cleaned by various, not shown devices of impurities.
- the cleaning branch 6 opens in a second section of the fountain solution recirculation 5, so that the first dampening solution part flow F T i, which in this embodiment corresponds to the main fountain solution flow FH, is returned to the main fountain solution tank 3.
- no pump is provided in the flow direction between the dampening units and the dampening solution cleaning device 7, so that the dampening solution is supplied by the dampening units 2 solely due to the gravity of the dampening solution cleaning device 7.
- FIG. 2 shows a schematic illustration of a preferred second embodiment of the dampening solution circuit 1 according to the invention.
- an intermediate container 8 is provided in the dampening solution recirculation 5.
- the main fountain solution flow F H coming from the dampening units 2 is fed to the intermediate container 8 solely on the basis of gravity.
- dampening solution 8 is introduced from all the dampening units 2 shown in the intermediate container.
- the fountain solution collected in the intermediate container 8 passes through the intermediate container 8, and is then fed to the fountain solution main container 3.
- the dampening solution recirculation 5 is designed such that the main fountain solution stream is both fed to the intermediate container 8 in its entirety and forwarded from this into the fountain solution main container 3. Furthermore, according to this embodiment, a cleaning branch 6 is provided, which derives a first dampening solution partial flow Fn from the main fountain solution flow F H , passes through a dampening solution cleaning device 7 and then back into the intermediate container 8.
- the cleaning branch 6 is designed so that the first dampening solution part Fn is only part of the fountain solution main flow F H , so that in the intermediate container 8, a second dampening solution partial flow F ⁇ 2 is formed, which without traversing the cleaning device in the main fountain solution three returned becomes.
- the first dampening solution partial flow F- ⁇ is supplied to the dampening solution cleaning device 7 solely on the basis of gravity.
- Such a device has the advantage that the dampening solution is not whisked by pumping, so that the impurities in the dampening solution cleaning device 7 are easy to separate from the dampening solution.
- a removal device 9 which removes the dampening solution from the intermediate container 8, and a preferred design of the intermediate container is below with reference to Figures 4 and 5 described.
- the first dampening solution partial flow F T 1 is taken both from the intermediate container and also returned to it.
- the first dampening solution partial flow Fn is not returned to the intermediate container 8 but directly into the fountain solution main container 3.
- FIG. 3 shows a schematic representation of a preferred third embodiment of the dampening solution circuit according to the invention.
- This third embodiment corresponds substantially to the embodiment shown in Fig. 2, so that in order to avoid repetition, the elements already described will not be described again.
- the design of the dampening solution cleaning device 7 is shown in more detail. It can be seen that the cleaning device preferably has a plurality of cleaning elements. These may for example comprise a separator and / or a cross-flow filter and / or a filter unit and / or a cascade system.
- the dampening solution cleaning device 7 on the input side comprises a pump which presses the dampening solution, for example by a filter unit.
- a pump which presses the dampening solution
- no pump is provided between dampening unit and cleaning device.
- preferred embodiments can also be provided with a pump, in particular if the pump is designed such that dampening solution and impurities are not whisked together in such a way that an emulsion is produced. This can be achieved, for example, by particularly slow running pumps.
- a pump when a pump is provided, it is preferable (in addition to or as an alternative to the described pump design), to provide the pump at a location below the fountain solution level.
- This has the advantage that even with a turbulence no air comes into contact with the dampening solution and the impurities. It has surprisingly been found in this context that the air contact generates a particularly disadvantageous form of emulsification in turbulence, which is particularly difficult to split in the cleaning device.
- FIG. 4 shows a schematic representation of a preferred intermediate container 8 with a preferred removal device 9 in cross section.
- Such a preferred intermediate container 8 can be used in a dampening solution circuit 1 described above.
- the illustrated intermediate container has an area of influence 81 and an outflow area 82, which are each preferably trough-shaped. Furthermore, influence region 81 and / or outflow region 82 can also be executed closed. In this case, a part of the dampening solution recirculation 5 coming from the dampening unit 2 opens in the area of influence 81.
- the mouth of the dampening solution return, through which the main dampening solution flow F H is directed into the influence area 81, is shown schematically as a water tap-like structure above the dampening surface in the area of influence 81
- the mouth may be preferable to arrange the mouth below the dampening surface FO, eg in the bottom area of the influence area.
- the mouth is introduced into the sphere of influence, that preferred flow conditions are created in the area of influence, which promote separation of the impurities from the dampening solution.
- rising and / or sinking of impurity particles or fluids in the dampening solution are made possible or promoted, so that corresponding impurities collect in certain floor areas or in certain areas of the dampening surface FO.
- a similar effect can be produced by causing a rotating flow, with impurities having smaller or larger densities in the center of a generated vortex or in the radially outward direction in the edge region of the vortex reaching a higher concentration than in other regions of the influence region 81.
- a rest basin in which a particularly preferred removal device 9 is arranged such that its removal opening is arranged just below the dampening solution level.
- the removal opening will be described below with reference to FIG.
- the influence region 81 in the embodiment illustrated in FIG. 4 is formed separately from an outflow region 82 via an intermediate wall 83. As shown, the influence region 81 and outflow region 82 are preferably connected to one another in the bottom region 82 of the influence region 81 via a flow opening 84. The flow opening 84 is preferably formed in the intermediate wall 83.
- a second dampening solution sub-stream F T2 flows through the flow-through opening 84.
- the first dampening-medium sub-stream Fn flows purified back into the outflow region 82 in the illustrated preferred embodiment.
- FIG. 5 shows an enlarged view of the removal device 9 from FIG. 4 in the region of the removal opening 91.
- the removal device is designed so that the fountain solution of gravity following in the removal opening runs.
- a first dampening solution partial stream Fy 1 produced in this way therefore has a particularly high contamination with impurities. This has the advantage
- Feuchtstoffthesesvortechnisch 7 can be interpreted to a lower flow rate.
- the outflow edge is arranged at a distance ⁇ H to the dampening surface FO. It is preferred if the removal device is designed such that the distance .DELTA.H can be variably set or regulated to different values, so that the size of the volume flow of the first dampening solution partial flow Fn can be adjusted.
- the removal device 9 is adjustable in the influence region 81 over a variable range, following the level of the dampening solution, so that the removal device can be operated at different fill levels.
- An adjustment and / or regulation of the removal device 9 can thereby mechanically (eg via a float) or electronically in response to level signals from one or more level sensors.
- level sensors can record the pressure in the dampening solution and convert it into a signal or via an electrical resistance measurement. Conceivable here are any forms of sensors.
- the removal device is tubular, so that a substantially circular removal opening 91 is provided.
- Conceivable are any other forms of a withdrawal edge.
- a substantially planar, height-adjustable slide which separates in the sphere of influence a further region into which the first dampening solution partial flow F ⁇ i flows in the direction of the dampening solution cleaning device 7.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Special Spraying Apparatus (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007033293A DE102007033293A1 (de) | 2007-07-17 | 2007-07-17 | Filtration für Druckmaschinen |
| PCT/EP2008/005875 WO2009010295A2 (de) | 2007-07-17 | 2008-07-17 | Filtration für druckmaschinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2170606A2 true EP2170606A2 (de) | 2010-04-07 |
| EP2170606B1 EP2170606B1 (de) | 2011-09-21 |
Family
ID=40139223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08784855A Not-in-force EP2170606B1 (de) | 2007-07-17 | 2008-07-17 | Filtration für druckmaschinen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100199866A1 (de) |
| EP (1) | EP2170606B1 (de) |
| CN (1) | CN101754857B (de) |
| AT (1) | ATE525208T1 (de) |
| DE (1) | DE102007033293A1 (de) |
| WO (1) | WO2009010295A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9021948B2 (en) * | 2011-04-27 | 2015-05-05 | Xerox Corporation | Environmental control subsystem for a variable data lithographic apparatus |
| DE102012008461B4 (de) * | 2012-04-26 | 2014-06-26 | Technotrans Ag | Feuchtwasserreinigung |
| EP3059086B2 (de) † | 2015-02-23 | 2021-01-27 | Kraft-Schlötels GmbH | Druckmaschinen-filtrationsanordnung |
| DE102016012852A1 (de) | 2016-10-27 | 2018-05-03 | Mohn Media Mohndruck GmbH | Verfahren zur Reinigung von Feuchtmitteln und Feuchtmittel-Reinigungsvorrichtung für eine Druckmaschine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038021A1 (de) * | 1990-11-29 | 1992-06-04 | Edelmann Gmbh & Co Kg | Einrichtung zum rueckfoerdern eines feuchtmediums aus einem feuchtwerk |
| JP2906951B2 (ja) * | 1993-08-11 | 1999-06-21 | ボールドウィン アジア パシフィック コーポレーション | オフセット印刷機の湿し水供給装置 |
| WO1995030468A1 (en) * | 1994-05-10 | 1995-11-16 | Womack International, Inc. | Optimizing operation of a filter system |
| JPH1148459A (ja) * | 1997-08-08 | 1999-02-23 | Mitsubishi Heavy Ind Ltd | 洗浄液再生装置 |
| SE0004403L (sv) | 2000-11-29 | 2002-05-30 | Ericsson Telefon Ab L M | Metoder och anordningar i ett telekommunikationssystem |
| DE10061870B4 (de) | 2000-12-12 | 2011-06-09 | Platsch Gmbh & Co.Kg | Verfahren und Vorrichtung zur Filtration von Feuchtmittel |
| CN2523594Y (zh) * | 2002-02-06 | 2002-12-04 | 徐更宣 | 一种胶印机润版装置 |
| US6908558B2 (en) * | 2003-03-19 | 2005-06-21 | David J. Stinson | Fountain solution recycling system for commercial printers |
| DE10360051A1 (de) | 2003-12-22 | 2005-07-21 | Kohnert, Bärbel | Verfahren und Vorrichtung zur Reinigung von Feuchtmittel |
| DE102004021508B4 (de) * | 2004-04-30 | 2007-04-19 | Technotrans Ag | Verfahren und Vorrichtung zur Reinigung des Feuchtmittels einer Druckmaschine |
| DE202004007062U1 (de) * | 2004-05-04 | 2005-09-15 | Liebherr Werk Nenzing Gmbh Nen | Hydrauliksystem für Flurförderfahrzeuge |
| DE102005016064A1 (de) * | 2004-05-04 | 2005-11-24 | Liebherr-Werk Nenzing Gmbh, Nenzing | Hydrauliksystem für Flurförderfahrzeuge |
-
2007
- 2007-07-17 DE DE102007033293A patent/DE102007033293A1/de not_active Ceased
-
2008
- 2008-07-17 AT AT08784855T patent/ATE525208T1/de active
- 2008-07-17 CN CN2008800247793A patent/CN101754857B/zh not_active Expired - Fee Related
- 2008-07-17 EP EP08784855A patent/EP2170606B1/de not_active Not-in-force
- 2008-07-17 WO PCT/EP2008/005875 patent/WO2009010295A2/de not_active Ceased
- 2008-07-17 US US12/669,291 patent/US20100199866A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009010295A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE525208T1 (de) | 2011-10-15 |
| DE102007033293A1 (de) | 2009-01-29 |
| EP2170606B1 (de) | 2011-09-21 |
| CN101754857B (zh) | 2012-05-23 |
| WO2009010295A2 (de) | 2009-01-22 |
| WO2009010295A3 (de) | 2009-04-02 |
| CN101754857A (zh) | 2010-06-23 |
| US20100199866A1 (en) | 2010-08-12 |
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