EP2118603A1 - Apparatus for drying articles, in particular painted vehicle bodies - Google Patents
Apparatus for drying articles, in particular painted vehicle bodiesInfo
- Publication number
- EP2118603A1 EP2118603A1 EP08701178A EP08701178A EP2118603A1 EP 2118603 A1 EP2118603 A1 EP 2118603A1 EP 08701178 A EP08701178 A EP 08701178A EP 08701178 A EP08701178 A EP 08701178A EP 2118603 A1 EP2118603 A1 EP 2118603A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- lock
- drying tunnel
- inert gas
- volume
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/12—Vehicle bodies, e.g. after being painted
Definitions
- the invention relates to a device for drying objects, in particular of painted vehicle bodies, with
- an inlet-lock area which is connected upstream of the drying tunnel, comprises at least one lock chamber and separates the prevailing inside the drying tunnel inert gas atmosphere from the outer normal atmosphere;
- a device of the type mentioned is in the
- the inlet-lock area substantially comprises three chambers: a first, which is filled with normal atmosphere and the freshly coated objects are supplied from the coating station.
- a second chamber is partially below the first chamber, is connected thereto via a large-area opening through which the coated articles can be lowered, and contains an inert gas atmosphere whose density is greater than that of the outer normal atmosphere.
- a third lock chamber in turn lies above the second lock chamber approximately at the level of the first lock chamber and next to it and is also connected to the second lock chamber via a large-area opening. It also contains an inert gas atmosphere and communicates with the inert gas atmosphere within the drying tunnel. The coated objects are guided through these lock chambers in the order listed. A similar but in the opposite direction from the now dried articles Lock area is at the end of the drying tunnel.
- Object of the present invention is therefore, a
- At least one lock chamber of the inlet lock area and / or the outlet lock area has a device which is capable of displacing the atmosphere contained in the respective lock chamber, the volume of the respective lock chamber between a maximum value and a minimum value essentially equal to zero, change.
- the means for changing the volume comprises a piston which is retractable into the respective lock chamber and out of this retractable.
- This lock chamber is open in one direction, similar to a cylinder.
- a boundary side of the spin chamber is formed by the end face of the piston.
- embodiment of the invention which comprises at least one variable in volume lock chamber, which is not traversed by the coated objects, but in terms of flow with one of the coated
- a lock which makes use of a variable in its volume lock chamber, can take place to reduce the inert gas consumption, a rinse.
- a lock chamber of the inlet lock area can be connected via at least two lines to a lock chamber of the outlet lock area such that the atmosphere located in the two lock chambers can be guided through the two lock chambers in a circle for flushing purposes.
- the coated objects can be on this
- An embodiment of the invention in which a lifting device is provided in the inlet lock area and / or the outlet lock area with which the coated objects can be raised to the height level of a higher-lying drying tunnel and / or lowered from this level is energetically favorable.
- FIG. 1 shows a vertical section through a detail of a first embodiment of a Lackier- anläge for vehicle bodies
- FIGS. 2 to 6 show different phases of operation of an inlet lock area which is part of the installation of FIG. 1;
- FIGs 7 to 12 different operating phases of an outlet lock area, which is also part of the system shown in Figure 1;
- FIGS. 13 to 18 different operating phases of an alternative exemplary embodiment of an inlet-lock region
- Figure 19 is a view, similar to Figure 1, of an alternative embodiment of a paint shop
- Figure 26 is a view, similar to Figure 1, of another embodiment of a paint shop;
- FIG. 27 shows the plan view of the system of FIG. 26.
- FIG. 1 a section of a paint shop for vehicle bodies 10 is shown in vertical section, which carries the reference number 1 in total.
- This section comprises a painting booth 2, an inlet lock area 3 for a drying tunnel 4, the drying tunnel 4 itself, which is only partially shown, and an outlet lock area 5.
- Paint booth 2, inlet lock area 3, drying tunnel 4 and outlet Lock area 5 are cyclically traversed by the vehicle bodies 10 in the direction of the arrow 6 at least in the lock areas 3, 5, wherein conveyor systems 7, 8, 9, which are not explained in more detail, are used which are known to the person skilled in the art.
- Preceding the section shown are preparatory stations, which correspond to the state of the art; Downstream is a conventional cooler.
- the drying tunnel 4 is also built according to the state of the art and contains suitable heating and irradiation facilities, with which the applied paint can be brought to dry or curing.
- an inert gas atmosphere containing, for example, nitrogen and / or CO.
- the inlet lock area 3 comprises a connection chamber 11, which is immediately downstream of the paint booth 2 and is permanently connected to it at atmospheric pressure.
- this so there is "normal atmosphere", which may also be loaded with solvent.
- the kausungshimmmer 11 may serve a first "evaporation” of solvents and optionally a visual control of the applied paint.
- the inlet lock region 3 further comprises, downstream of the connecting chamber 11, a lifting chamber 12 which is at the same height level as the connecting chambers
- the lifting chamber 11 is located and in which a lifting device 13 is arranged.
- a transition chamber 14 which is connected to the lifting chamber 12 via an opening 15.
- the opening 15 is so large area that the vehicle bodies 10 can be moved upwards out of the lifting chamber 12 into the transition chamber 14.
- the lifting platform 16 of the lifting device 13 is so large that, in the raised state, it closes off the opening 15 between the lifting chamber 12 and the transitional chamber 14 completely gastight.
- the interior of the transition chamber 14 is connected via an outlet line 26, in which a motor-controllable flap 27 is located, with the outside atmosphere or an air treatment device.
- a gas exchange chamber 16 adjoins the transition chambers 14 in the direction of movement of the vehicle bodies 10.
- the gas exchange chamber 16 communicates via two lines 17, 18 with an inert gas chamber 19 in connection.
- In the lines 17, 18 each have a flap attached, which can be opened and closed by a motor. These flaps are shown only symbolically in the figures to the extent that their closing state is indicated by a line drawn transversely through the line 17 or 18. An open flap, however, is not specifically shown.
- the inert gas chamber 19 is formed in the manner of an upwardly open cylinder. In this cylinder can dip from above a provided with a corresponding cross section piston 20 which is vertically movable by means of two piston-cylinder units 21, 22.
- the first chamber 23 of the drying tunnel 4 adjoins the gas exchange chamber 16 in the direction of movement.
- the gates 24 and 25 separate the atmospheres of the adjacent chamber 14, 16 and 16, 23 from each other.
- the connecting chamber 11, the lifting chamber 12 and the transition chambers 14 are at "normal atmosphere", while the gas exchange chamber 16 and the inert gas chamber 19 are filled with inert gas.
- the filling of the inert gas chamber 19 with inert gas takes place continuously from the interior of the dryer 4.
- the gates 24 and 25 are located as well as the flap 27 of the outlet 26 in the closed position.
- the vehicle body 10 whose passage is viewed through the inlet lock area 3, has just moved from the connecting chamber 11 into the lifting chamber 12 in FIG. It is now, as indicated in Figure 3, lifted by means of the lifting device 13 in the transition chamber 14.
- the lifting platform of the lifting device 13 closes in its end position, the opening 15 between the lifting chamber 12 and transition chamber fourteenth
- Dryer chamber 23 is opened.
- connection chamber 14 again largely fills with NormaIatmoSpphrasere.
- the outlet lock region 5 comprises a transition chamber 28, which can be reached in the horizontal direction from the last chamber 29 of the drying tunnel 4 is.
- a vertically movable gate 30 which in the closed state separates the atmospheres of the two chambers 28, 29 from one another.
- a gas exchange chamber 31 adjoins the transition chamber 28 in the transport direction at the same height.
- vertically movable gate 32 which in the closed state, the atmospheres of the chambers 28 and 31 separated from each other.
- the gas exchange chamber 31 of the outlet lock area 5 is formed similarly to the inert gas chamber 19 of the inlet lock area 3 as an upwardly open cylinder.
- this cylinder can dip from above a piston 33 which can be moved vertically by means of two piston-cylinder units 34, 35.
- a lifting chamber 37 Below the gas exchange chamber 31 and connected to this via a large-area opening 36, there is a lifting chamber 37.
- the passage of the vehicle body 10 is done in the following steps.
- the vehicle body 10 is just emerging from the last dryer chamber 29 into the transition chamber 28 of the exhaust chamber. Retracted lock area 5.
- the gate 30 has already been closed after passing through the vehicle body 10 and the gate 32 is opened.
- the lifting device 38 is raised.
- the chambers 28 and 31 are now filled with an inert gas atmosphere and the vehicle body 10 can change from the transition chamber 28 into the gas exchange chamber 31.
- the lifting device 38 moves back up and seals with its lifting platform, the opening 36 between the gas exchange chamber 31 and the lifting chamber 37 from.
- the gate 32 between the transition chamber 28 and the gas exchange chamber 31 can be opened and the piston 35 can be driven up again.
- a state is achieved, as shown in FIG. 12, in which both the transition chamber 28 and the gas exchange chamber 31 are filled with inert gas and corresponds to the state in FIG.
- another vehicle body 10 ' can be discharged through the outlet lock area 5.
- an amount of inert gas corresponding to the volume of the inert gas chamber 19 is obviously lost.
- This alternative inlet lock area largely corresponds to the inlet lock area 3 of FIGS. 1 to 6; corresponding parts are therefore identified by the same reference sign plus 100.
- connection chamber 111 which is connected at its left side in the figures to the outlet of the paint booth (not shown).
- a lifting device 113 is designed such that it can convey a vehicle body 110 standing on its lifting platform through an upper opening 115 into a gas exchange chamber 114.
- the gas exchange chamber 114 is designed as an open-topped cylinder into which a vertically movable piston 120 can be retracted from above.
- the piston-cylinder units used for this purpose are provided with the reference numeral 121, 122.
- the outlet line 126 of the gas exchange chamber 114 leads now unlike the embodiment of Figures 2 to 6 not to the outside atmosphere but in a storage chamber 141, which is also open at the top and thus designed as a cylinder.
- a piston 144 can be retracted from above by means of the piston-cylinder units 142, 143.
- a motor-operated flap In the connecting line 145 between the gas exchange chamber 114 and the storage chamber 141 is in turn a motor-operated flap, which is symbolized only in its closed position by a transverse line through the connecting line 145.
- a transition chamber 146 Downstream in the transport direction of the gas exchange chamber 114 and at the same level as the latter is a transition chamber 146, to which the first chamber (not shown) of the drying tunnel follows again following the direction of transport. Between the gas exchange chamber 114 and the transition chamber 146 there is a first vertically movable gate 147 and on the opposite side of the transition chamber 146, a second vertically movable gate 148th
- FIG. 1 The initial situation is shown in FIG. In this is located in the chambers 111, 112 and 114 normal atmosphere.
- the storage chamber 141 is filled with inert gas; the flap in the connecting line 145 is closed. Also, inert gas is in the transition chamber 146; the two side gates 147 and 148 are closed. As can be seen from the drawing, the vehicle body 110 to be passed through has already become retracted into the Hubtting 112.
- the vehicle body 110 is retracted by means of the lifting device 113 in the gas exchange chamber 114, wherein the lifting platform of the lifting device 113, the opening 115 closes.
- the gate 147 located between the gas exchange chamber 114 and the transition chamber 146 is opened and the vehicle body 110 is transferred to the transition chamber 146.
- the flap in the connecting line between the storage chamber 141 and the gas exchange chamber 114 is now opened again; by retracting the piston 120 into the gas exchange chamber 114 by means of the piston-cylinder units 121, 122, the inert gas is forced out of the gas exchange chamber 114 in the storage chamber 141, of course, the piston 144 upwardly retracts upward in the direction of the corresponding arrow in Figure 17. It is also understood that prior to this process, the gate 147 between the gas exchange chamber 114 and the Transition chamber 146 has been closed.
- the Schleusungszyklus concludes that, as shown in Figure 18, the piston 120 is pushed back by means of the piston-cylinder units 121, 122 and the connecting line 145 between the storage chamber 141 and gas exchange chamber 114 is closed.
- the lifting device 113 is moved downwards again, so that ⁇ 110 can be retracted into the sliding chamber 112 a is already in the compound comber 111 readiness standing vehicle body.
- the gate 148 between the transition chamber 146 and the subsequent drying tunnel is opened and the vehicle body 110 is introduced into the drying tunnel.
- this lock-up process in which essentially the inert gas is pushed back and forth between the storage chamber 141 and the gas exchange chamber 114, can be repeated several times without the inert gas having to be discarded.
- a certain contamination of the inert gas by normal atmosphere and / or outgassing of the vehicle bodies 10 takes place with each Schleusungsvorgang, so that after a certain number of Schleusungsvorêtn the inert gas in the storage chamber 141 must be replaced.
- FIG. 1 An example of how to proceed in this case is shown in FIG.
- the section of a paint shop shown here Anläge corresponds to that of Figure 1. Since the system of Figure 19 is largely similar to that of Figure 1, corresponding parts with the same reference numerals as in Figure 1 plus 200 are indicated.
- the main difference between the plant 1 of Figure 1 and the plant 201 of Figure 19 is that the gas exchange chamber 216 is not connected via connecting lines with an inert gas, from which inert gas can be pressed into the gas exchange chamber 216.
- two connecting lines 250, 251 extend between the gas exchange chamber 216 of the inlet lock area 203 and the gas exchange chamber 231 of the outlet lock area 205.
- In the connecting line 250 there is a first blower 252, which effects gas flow from the gas exchange chamber 231 into the gas exchange chamber 216, while in the connecting line 251, a second blower 253 is mounted, which causes a gas flow in the opposite direction.
- the gas exchange chamber 231 is designed as an upwardly open cylinder, into which a piston 254 can be retracted.
- the construction of the installation 201 is completely identical to that of the installation 1 of FIG. 1, so that reference can be made to this for the sake of simplicity.
- FIGS. 20 to 25 show different operating phases of the outlet lock area 205.
- FIG. 1 a vehicle body 210 in the adjacent to the drying tunnel 204 transition chamber 228 of the outlet lock area 205.
- the gate 230 which is adjacent to the last dryer chamber is already closed and the gate 232 already open, so that the vehicle body 210 in the Gas exchange chamber 231 can retract.
- the associated piston 233 is of course moved upwards.
- the gate 256 between the gas exchange chamber 231 and the transition chamber 255 is closed.
- Another body 210 ' is already in the gas exchange chamber 216 of the inlet lock area 203.
- the gates 224 and 225 of the gas exchange chamber 216 are closed.
- the gate 232 is also closed, as shown in FIG.
- the inert gas atmosphere in the gas exchange chamber 231 of the outlet lock section 205 flushed into the gas exchange chamber 216 of the inlet lock section 203 and vice versa
- the mixing atmosphere in the gas exchange chamber 216 of the inlet lock section 203 in the gas exchange chamber 231 of the outlet lock area 205 introduced. It turns in the two gas exchange chambers 216 and 231 a mixed atmosphere.
- the vehicle body 210 enters the transition chamber 255 as shown in FIG. Now, both in the gas exchange chamber 231 and in the transition chamber 255 are mixed atmosphere.
- the piston 233 is retracted into the gas exchange chamber 231 with the aid of the piston-cylinder units 234, 235.
- the mixing atmosphere which is located in the gas exchange chamber 231, is thereby displaced into the transition chamber 255.
- the lifting device 238 lowers the vehicle body 210 into the lifting chamber 237.
- the drying tunnel is located at a higher level than the adjacent sections of equipment on both sides, so that in each case lifting devices must be used to bring the vehicle bodies in or out of the drying tunnel.
- a lock is an energetic: it escapes in this way less atmosphere from the drying tunnel, whose temperature is higher than that of the atmosphere in the adjacent plant areas.
- FIGS. 26 and 27 An example of this is shown in FIGS. 26 and 27. As far as in this embodiment elements corresponding to those of the embodiment of Figure 1, the same reference number plus 300 was used.
- FIGS. 26 and 27 again show a painting booth 302, wherein, unlike in FIG. 1, two application devices 360, 361 guided by a robot are shown.
- the painting booth 302 is adjoined in the direction of movement initially by a connecting chamber 311, in which an evaporation process can take place.
- An air supply system 362 supplies both the paint booth 302 and the connecting booth 311 with conditioned fresh air.
- the connecting booth 311 is followed by a pre-dryer booth 363, in which a large part of the solvent is expelled from the paint, and then a gas exchange chamber 316, whose function corresponds to that of the gas exchange chamber 216 in the embodiment of FIG.
- a gas exchange chamber 316 whose function corresponds to that of the gas exchange chamber 216 in the embodiment of FIG.
- a piston lock chamber 363 downstream which is associated with a movable piston 604 in the vertical direction.
- the function of this piston lock chamber and the associated piston 364 can be understood without further description from the above explanations of the embodiments of Figures 1 and 19.
- the vehicle bodies 310 then enter the actual drying tunnel 304, where the coating is cured in an inert gas atmosphere and optionally under UV irradiation.
- the vehicle bodies 310 leave the drying tunnel 304 and enter the outlet lock area 305, which in this case comprises a gas exchange chamber 331 and an associated piston 354.
- the gas exchange chamber 331 is connected via connecting lines 350, 351 to the gas exchange chamber 316 of the inlet lock area 303.
- the promotional pumps are not shown in Figures 26 and 27.
- the cooperation of the components 331, 354 and 316 completely corresponds to that of the components 231, 254 and 216 of the embodiment of FIG. 19.
- connection chambers 339 directly adjoin the gas exchange chamber 331 of the outlet lock region 305 at the same height.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007007478A DE102007007478B3 (en) | 2007-02-15 | 2007-02-15 | Article e.g. painted vehicle body, drying device, has inlet-lock and outlet-lock regions including locking chambers with units provided in position to change volume for displacing air contained in respective locking chamber |
PCT/EP2008/000474 WO2008098662A1 (en) | 2007-02-15 | 2008-01-23 | Apparatus for drying articles, in particular painted vehicle bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2118603A1 true EP2118603A1 (en) | 2009-11-18 |
EP2118603B1 EP2118603B1 (en) | 2010-08-18 |
Family
ID=39237351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08701178A Not-in-force EP2118603B1 (en) | 2007-02-15 | 2008-01-23 | Apparatus for drying articles, in particular painted vehicle bodies |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2118603B1 (en) |
AT (1) | ATE478311T1 (en) |
DE (2) | DE102007007478B3 (en) |
WO (1) | WO2008098662A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008005582B3 (en) * | 2008-01-22 | 2009-08-20 | Eisenmann Anlagenbau Gmbh & Co. Kg | Device for drying objects, in particular painted vehicle bodies |
DE102008005584B3 (en) * | 2008-01-22 | 2009-08-20 | Eisenmann Anlagenbau Gmbh & Co. Kg | Device for drying objects, in particular painted vehicle bodies |
DE102008033215B4 (en) | 2008-07-15 | 2013-03-07 | Eisenmann Ag | Device for drying objects |
DE102008063477A1 (en) * | 2008-12-17 | 2010-07-01 | Eisenmann Anlagenbau Gmbh & Co. Kg | Plant for the treatment, in particular for drying, of objects, in particular of vehicle bodies |
DE102009051580B4 (en) * | 2009-10-31 | 2022-07-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Handover procedure and production plant |
DE102010002179A1 (en) | 2010-02-22 | 2011-08-25 | Dürr Systems GmbH, 74321 | A lock for transferring a workpiece between an outer space and an inner space of a workpiece treatment area |
DE102015017280B3 (en) | 2015-07-31 | 2019-04-04 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
DE102015017279B3 (en) | 2015-07-31 | 2019-04-04 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
DE102015017278B3 (en) | 2015-07-31 | 2019-04-04 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
DE102015214711A1 (en) | 2015-07-31 | 2017-02-02 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
DE102015214706A1 (en) | 2015-07-31 | 2017-02-02 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
DE102018115235A1 (en) * | 2018-06-25 | 2020-01-02 | Eisenmann Se | Continuous drying system and process for drying workpieces |
DE102021108972A1 (en) | 2021-04-12 | 2022-10-13 | Bayerische Motoren Werke Aktiengesellschaft | Sensor device for a hot area of a vehicle production plant and arrangement of a sensor device in a hot area of a production plant for vehicles |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004025525B3 (en) | 2004-05-25 | 2005-12-08 | Eisenmann Maschinenbau Gmbh & Co. Kg | Method and device for drying objects, in particular painted vehicle bodies |
DE102004025526B4 (en) | 2004-05-25 | 2006-04-13 | Eisenmann Maschinenbau Gmbh & Co. Kg | Device for drying objects, in particular painted vehicle bodies |
DE102007018918B3 (en) * | 2007-04-19 | 2008-05-15 | Eisenmann Anlagenbau Gmbh & Co. Kg | Drying device for object i.e. painted vehicle bodywork, has displacement piston provided, where space is freed for filling with inert gas after further changing of position and/or shape of surface of displacement piston |
-
2007
- 2007-02-15 DE DE102007007478A patent/DE102007007478B3/en not_active Expired - Fee Related
-
2008
- 2008-01-23 AT AT08701178T patent/ATE478311T1/en active
- 2008-01-23 EP EP08701178A patent/EP2118603B1/en not_active Not-in-force
- 2008-01-23 DE DE502008001156T patent/DE502008001156D1/en active Active
- 2008-01-23 WO PCT/EP2008/000474 patent/WO2008098662A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2008098662A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102007007478B3 (en) | 2008-05-29 |
WO2008098662A1 (en) | 2008-08-21 |
EP2118603B1 (en) | 2010-08-18 |
ATE478311T1 (en) | 2010-09-15 |
DE502008001156D1 (en) | 2010-09-30 |
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