EP1424162A1 - Bearbeitungsmaschine und Loslageranordnung hierzu - Google Patents
Bearbeitungsmaschine und Loslageranordnung hierzu Download PDFInfo
- Publication number
- EP1424162A1 EP1424162A1 EP03021427A EP03021427A EP1424162A1 EP 1424162 A1 EP1424162 A1 EP 1424162A1 EP 03021427 A EP03021427 A EP 03021427A EP 03021427 A EP03021427 A EP 03021427A EP 1424162 A1 EP1424162 A1 EP 1424162A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- rolling
- machine frame
- coupled
- rolling bearing
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Definitions
- the invention relates to a processing machine with a machine frame and a relative thereto via a drive shaft movably arranged processing element, wherein the drive shaft with a floating bearing assembly to the Machine frame and the processing element is coupled.
- the invention further relates to a floating bearing arrangement with a first rolling bearing and a second rolling bearing, in particular for use in such Processing machine and a method for storing a rotatably driven Shaft with such a floating bearing assembly.
- a drivable for vibration pressure element for pressing abrasives onto a workpiece with drive shafts worn on a machine frame is a drivable for vibration pressure element for pressing abrasives onto a workpiece with drive shafts worn on a machine frame.
- the pressure element and the machine frame extend in a longitudinal direction transverse to the conveying direction of to be machined workpiece. Due to the heating occurring during processing the processing element expands, i. H. the pressure element, and the Machine frame different. This effect is partly still by it reinforced that, for example, in grinding machines, the pressure element for Weight saving made of aluminum and the machine frame made of steel is.
- Such a grinding machine is described for example in EP 0 543 947 B1 disclosed.
- the processing element is rotatable by means of linear bearings to the processing element and the machine frame attached. Due to the heat-related Length expansions of the machine frame and the processing element There are relatively large loads of linear bearings in the longitudinal direction of the machining element and the machine frame.
- the object of the invention was therefore an improved processing machine as well as to create a movable bearing to intercept the loads of the floating bearing and destruction of the floating bearing is avoided.
- the object is achieved by the generic processing machine according to the invention achieved in that the floating bearing assembly at least two together coupled rolling bearing with a first roller bearing coupled to the drive shaft and a arranged on the machine frame second rolling bearing and a common connecting bearing shell, wherein the connecting bearing shell the rolling elements of the coupled first and second bearings carries and is rotatable and / or reciprocally driven, that the rolling elements are kept in motion.
- the object is further characterized by the generic Losiageran eleven solved that the first and second bearings a common joint bearing shell have the rolling elements of the first and second bearings carries and is rotatable and / or reciprocally driven, which is the Rolling elements are kept in motion.
- the processing machine is preferably a grinding machine with a elongated pressure element for abrasive as a processing element. It will the pressure element with preferably two drive shafts on the machine frame carried.
- the drive shafts are in the longitudinal direction of the Anyakelements spaced apart.
- the longitudinal direction of the pressure element also sets the main stretch direction.
- At least one of the drive shafts is with the floating bearing assembly according to the invention to the machine frame coupled. In this way, one of the drive shafts in the longitudinal direction fixed and the other drive shaft loosely mounted in the longitudinal direction and a longitudinal extension of the pressure element and / or the machine frame is balanced.
- the drive shaft on a support and rotatably mounted the machining element, wherein the first rolling bearing with the Carrier and the second rolling bearing is connected to the machine frame.
- the Rolling bearings are designed as linear bearings.
- To a shift of the carrier relative to the machine frame in the main expansion direction one in the main expansion direction reciprocable or preferably in a preferred direction rotatable connection axis as a connecting bearing shell provided which extends through the bearings and these coupled together.
- the rolling elements of the bearings are due to the reciprocation or rotation of the connecting shaft permanently kept in motion and lubricated.
- the carrier is preferably acting in the main expansion direction Spring elements coupled to the machine frame. This way will be next the frictional engagement in the main expansion direction between the connection axis and the rolling bearings another adhesion between the carrier and machine frame causes.
- two are parallel to one another in the longitudinal direction of the Pressure element extending connecting axes provided, each with a linear bearing on the support in the longitudinal direction of the connecting axes hinund are arranged movable.
- the connection axes On both sides of the linear bearing are the connection axes to the each with a linear bearing in the longitudinal direction and movably arranged on the machine frame. In this way, the Carrier fixed and movable only in the main expansion direction on the machine frame stored.
- the at least one drive shaft can be designed as an eccentric, so that a swinging movement of the processing element, for example the Pressure element of a grinding machine is effected when the drive shafts be driven in rotation.
- the carrier with pressure elements in Axial direction of the drive shafts are biased to the machine frame, so that pressing forces are impressed on the carrier.
- the at least one drive shaft is, for example, via a toothed belt drive driven, which should be biased with a jig to to realize a certain clearance balance.
- the rolling bearings can be centered about a common axis be arranged linear bearing.
- the outer ring of the first bearing is in this case enclosed by the inner ring of the second rolling bearing, wherein the outer ring form the connecting bearing shell with the inner ring.
- the axis of the first Rolling can also easily around the axis of the second rolling bearing be offset to effect an eccentricity of the rotation. By rotation, in particular alternating right-left rotation of the connecting bearing shell can flatten the rolling elements due to loads across the bearing axis be prevented.
- the rolling bearings are designed as linear bearings and with a reciprocating in the Lagerachsplatz extending Connecting axle coupled as a driven connecting bearing shell with each other.
- first rolling bearing is provided in each case a second and third roller bearings.
- the first rolling bearing can here with the machine frame and the second and third Rolling be connected to the carrier, or vice versa.
- connection axes parallel are arranged from each other, wherein the connecting axes respectively first, second and third bearing.
- FIG. 1 shows a processing machine 1 in the embodiment of FIG Grinding machine with a longitudinally extending L machine frame 2, which is designed as a steel beam recognize.
- a processing element 3 is arranged, which is a pressure element made of aluminum for abrasives, which is based on a machined and not shown workpiece is pressed.
- the editing element is with two eccentric drive shafts 4 and 5 held on the machine frame 2.
- the drive shafts 4 and 5 are spaced apart in the longitudinal direction L. arranged and each rotatable with a bearing 6a, 6b on the processing element 3 attached.
- the drive shafts 4 and 5 are driven by a toothed belt drive 7.
- the toothed belt drive 7 has a drive motor 8 and in each case a toothed belt 9a, 9b, extending from a toothed belt pulley 10 on the shaft of the drive motor 8 to a toothed belt pulley 11a, 11b of the respectively associated Drive shaft 4, 5 extends.
- the drive shaft 4 shown on the left in Figure 1 is a fixed bearing with a forming bearing assembly 12 fixed to the machine frame 2 rotatably coupled.
- the drive shaft 5 shown on the right in Figure 2, however, is with a floating bearing assembly 13 supported by the machine frame 2.
- the movable bearing assembly 13 is displaceable substantially in the longitudinal direction L, also the main expansion direction during operation of the processing machine. 1 is.
- the processing element heats up 3 and possibly the machine frame 2, in particular due to the different material and design as well as the different Heating an expansion movement between the processing element. 3 and machine frame 2 occurs, the load on the bearing assembly of the drive shaft 5 caused in the longitudinal direction L.
- the stored drive shaft 5 is rotatably mounted on a carrier 14.
- This Carrier 14 is in turn with rolling elements in the longitudinal direction L on a conductive Joint axis 15 mounted, which is also in the longitudinal direction L, d. H. of the Main expansion direction, extends.
- the first and second rolling bearings 16a, 16b are designed as Linear_Wälzlager whose outer ring firmly connected to the machine frame 2.
- the carrier 14 with the integrated therein first rolling bearing thus forms together with the connecting shaft 15 and the first and second rolling bearings 16a and 16b a displaceable in the longitudinal direction L floating bearing for the drive shaft. 5
- connection axis 15 is connected to a lifting motor 17, for example via a Eccentric shaft coupled so that the connecting axis 15 a reciprocating motion in the longitudinal direction L.
- This will be a permanent movement the rolling elements and a permanent lubrication of the first, second and third bearings ensured. In this way, loads that can act on the floating bearing 13, intercepted and destruction of the floating bearing 13th be avoided.
- the carrier 14 is also coupled via a spring arrangement 18, so that in addition the frictional connection by the first, second and third bearings another adhesion is ensured and forces of the belt 9b are collected.
- FIG. 2 shows the detail of the processing machine shown in FIG. 1 as a circle 1 in the rotated by 180 ° view. It will clearly that at both ends of the cylindrical support 7 in each case a first Rolling 19a, 19b is provided in the form of a linear roller bearing whose Rolling elements are supported by the connecting shaft 15. On both sides of the carrier are then on the connecting axis 15, the second and third bearings 16 a, 16b also arranged in the form of a linear roller bearing.
- the connecting shaft 15 forms a connecting bearing shell for the rolling elements of the first, second and third roller bearings 19a, 19b, 16a, 16b.
- the connecting shaft 15 is rotated by the lifting motor 17 upon rotation of an eccentric shaft 20 back and forth in the longitudinal direction L, wherein the longitudinal direction L the main expansion direction of the processing machine 1 or to be compensated Strain direction is.
- the spring element 18, in the longitudinal direction L causes a coupling of the carrier 7 with the machine frame 2 and Traction forces of the timing belt 9b traps.
- FIG. 3 shows the bearing arrangement 13 from FIG. 2 in plan view. It becomes clear that two connection axes 15a, 15b are parallel to each other are arranged, wherein the connecting axes 15a, 15b in the longitudinal direction L extend.
- the carrier 7 is for the connection axes 15a, 15b respectively a first rolling bearing 19a, 19b installed, the connecting axis 15a, 15b radially surround each with rolling elements.
- the second and third roller bearings 16a, 16b provided, which are screwed firmly to the machine frame 2.
- connection axes 15a, 15b are common via the lifting motor 17th driven and offset in a reciprocating motion in the longitudinal direction L.
- FIG. 4 shows another embodiment of a movable bearing arrangement 21, in which a second roller bearing 22 in the form of a linear roller bearing with his Outer ring 23 is firmly attached to a support 7. Easy around the bearing axis offset from the second rolling bearing 22, a first rolling bearing 24 is installed. Of the Inner ring 25 of the second rolling bearing 22 cooperates with the outer ring 26 of the first Rolling 24 together. The drive shaft 5 is in turn connected to the inner ring 27 of the first rolling bearing 24 coupled.
- each rolling elements 27 provided in a known manner.
- Die Connecting bearing shell is driven and in this case preferably continuously turned back and forth in right and left direction. This will ensure that the rolling elements 27 are constantly moved and permanently lubricated become. Loads across the bearing axis are compensated in this way, without destroying the bearing assembly 21 under such loads.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Rolling Contact Bearings (AREA)
- Crushing And Grinding (AREA)
- Sliding-Contact Bearings (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Transmission Devices (AREA)
- Machine Tool Units (AREA)
- Turning (AREA)
Abstract
Description
- Figur 1 -
- Schnittansicht eines Schwingschleifers mit einem Maschinenrahmen und einem von dem Maschinenrahmen über zwei Antriebswellen getragenen Andruckelement, wobei eine Antriebswelle mit einer erfindungsgemäßen Loslageranordnung gelagert ist;
- Figur 2 -
- Detail-Schnittansicht eines Ausschnitts der Bearbeitungsmaschine aus Figur 1 mit der erfindungsgemäßen Loslageranordnung;
- Figur 3 -
- Draufsicht auf die Loslageranordnung aus Figur 2;
- Figur 4 -
- Aufsicht auf eine Loslageranordnung mit zwei um eine gemeinsame Achse zentrisch angeordneten Linear-Wälzlagern mit erfindungsgemäßer gemeinsamer angetriebener Verbindungslagerschale.
Claims (16)
- Bearbeitungsmaschine (1) mit einem Maschinenrahmen (2) und einem relativ hierzu über mindestens eine Antriebswelle (4, 5) beweglich angeordneten Bearbeitungselement (3), wobei eine Antriebswelle (5) mit einer Loslageranordnung (13, 21) an den Maschinenrahmen (2) und das Bearbeitungselement (3) gekoppelt ist, dadurch gekennzeichnet, dass die Loslageranordnung (13, 21) mindestens zwei miteinander gekoppelte Wälzlager (16, 19, 22, 24) mit einem mit der Antriebswelle (5) gekoppelten ersten Wälzlager (19, 24) und einem an den Maschinenrahmen (2) angeordneten zweiten Wälzlager (16, 22) und einer gemeinsamen Verbindungslagerschale hat, wobei die Verbindungslagerschale die Wälzkörper (27) der miteinander gekoppelten ersten und zweiten Wälzlager (19, 24, 16, 22) trägt und derart rotierbar und/oder hin- und herbewegbar angetrieben ist, dass die Wälzkörper (27) in Bewegung gehalten werden.
- Bearbeitungsmaschine (1) nach einem der vorhergehenden Ansprüche als Schleifmaschine mit einem länglichen Andruckelement für Schleifmittel als Bearbeitungselement (3), dadurch gekennzeichnet, dass das Andruckelement mit mindestens zwei in Längsrichtung (L) als Hauptdehnungsrichtung voneinander beabstandeten Antriebswellen (4, 5) von dem Maschinenrahmen (2) getragen wird, wobei mindestens eine der Antriebswellen (5) mit der Loslageranordnung (13, 21) an den Maschinenrahmen (2) gekoppelt ist.
- Bearbeitungsmaschine (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Antriebswelle (5) an einem Träger (14) und dem Bearbeitungselement (3) rotierbar gelagert ist und das erste Wälzlager (19) mit dem Träger (14) und das zweite Wälzlager (16) mit dem Maschinenrahmen (2) verbunden ist, wobei die Wälzlager (16, 19) als Linearlager ausgeführt sind und mit einer sich in eine Hauptdehnungsrichtung (L) des Bearbeitungselementes (3) und/oder des Maschinenrahmens (2) erstreckenden hin- und herbewegbaren Verbindungsachse (15) als Verbindungslagerschale miteinander gekoppelt sind.
- Bearbeitungsmaschine (1) nach Anspruch 2, dadurch gekennzeichnet, dass der Träger (14) mit in die Hauptdehnungsrichtung (L) wirkenden Federelementen (18) mit dem Maschinenrahmen (2) gekoppelt ist.
- Bearbeitungsmaschine (1) nach einem der Ansprüche 3 oder 4, gekennzeichnet durch zwei sich parallel voneinander in Längsrichtung (L) des Andruckelementes erstreckenden Verbindungsachsen (15a, 15b), die jeweils mit ersten Linear-Wälzlagern (19a, 19b) an dem Träger (14) in Längsrichtung (L) hin- und herbewegbar angeordnet sind und beidseits der ersten Wälzlager (19a, 19b) jeweils mit einem Linear-Wälzlager (16a, 16b) in Längsrichtung (L) hin- und herbewegbar an den Maschinenrahmen (2) angeordnet sind.
- Bearbeitungsmaschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mindestens eine Antriebswelle (5) als Exzenterwelle ausgeführt ist.
- Bearbeitungsmaschine (1) nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass der Träger (14) mit Andruckelementen in Achsrichtung der Antriebswelle (5) an den Maschinenrahmen (2) vorgespannt ist.
- Bearbeitungsmaschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mindestens eine Antriebswelle (4, 5) über mindestens einen Zahnriemenantrieb (7) angetrieben ist, wobei mindestens ein Zahnriemen (9b) des Zahnriemenantriebs (7) mit einer Spannvorrichtung (S) vorgespannt ist.
- Loslageranordnung (13, 21) mit einem ersten Wälzlager( 19, 24) und einem zweiten Wälzlager (16, 22), dadurch gekennzeichnet, dass das erste und zweite Wälzlager (19, 24, 16, 22) eine gemeinsame Verbindungslagerschale haben, die die Wälzkörper (27) der ersten und zweiten Wälzlager (19, 24, 16, 22) trägt und angetrieben ist.
- Loslageranordnung (13, 21) nach Anspruch 9, dadurch gekennzeichnet, dass die Verbindungslagerschale mit einer Antriebsvorrichtung hin- und herbewegbar oder drehbar angetrieben ist.
- Loslageranordnung (21) nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass der Außenring (26) des ersten Wälzlagers (24) von dem Innenring (25) des zweiten Wälzlagers (22) umschlossen ist und der Außenring (26) mit dem Innenring (25) die Verbindungslagerschale bilden.
- Loslageranordnung (21) nach Anspruch 11, dadurch gekennzeichnet, dass das erste Wälzlager (24) zu der Achse des zweiten Wälzlagers (22) versetzt angeordnet ist.
- Loslageranordnung (13) nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass die ersten und zweiten Wälzlager (16, 19) als Linear-Wellenlager ausgeführt sind und mit einer sich in die Lagerachsrichtung erstreckende hin- und herbewegbare Verbindungsachse (15) als angetriebene Verbindungslagerschale miteinander gekoppelt sind.
- Loslageranordnung (13) nach Anspruch 13, dadurch gekennzeichnet, dass beidseits des auf der Verbindungsachse (15) in Achsrichtung der Verbindungsachse (15) gleitend angeordneten ersten Wälzlagers (19) jeweils ein zweites und drittes Wälzlager (16a, 16b) vorgesehen ist.
- Loslageranordnung (13) nach Anspruch 14, dadurch gekennzeichnet, dass mindestens zwei Verbindungsachsen (1 5a, 15b) parallel voneinander angeordnet sind, wobei die Verbindungsachsen (1 5a, 15b) jeweils ein erstes, zweites und drittes Wälzlager (16a, 16b, 19) tragen.
- Verfahren zum Lagern einer rotierbar angetriebenen Welle mit einer Loslageranordnung nach einem der Ansprüche 9 bis 15, gekennzeichnet durch Antreiben der gemeinsamen Verbindungsschale des ersten und zweiten Wälzlagers ( 19, 24, 16, 22).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10256124A DE10256124B3 (de) | 2002-11-29 | 2002-11-29 | Bearbeitungsmaschine und Loslageranordnung hierzu |
DE10256124 | 2002-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1424162A1 true EP1424162A1 (de) | 2004-06-02 |
EP1424162B1 EP1424162B1 (de) | 2007-09-12 |
Family
ID=32240552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03021427A Expired - Lifetime EP1424162B1 (de) | 2002-11-29 | 2003-09-23 | Bearbeitungsmaschine und Loslageranordnung hierzu |
Country Status (7)
Country | Link |
---|---|
US (1) | US7381115B2 (de) |
EP (1) | EP1424162B1 (de) |
AT (1) | ATE372853T1 (de) |
DE (1) | DE10256124B3 (de) |
DK (1) | DK1424162T3 (de) |
ES (1) | ES2289219T3 (de) |
PL (1) | PL205030B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110883611A (zh) * | 2019-12-06 | 2020-03-17 | 台州弘锐精密机械有限公司 | 一种化工压力容器成型后表面精加工工艺 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR515367A (fr) * | 1920-05-06 | 1921-03-31 | Le Coke Ind | Roulement à billes ou à rouleaux |
FR826012A (fr) * | 1936-09-04 | 1938-03-21 | Roulements A Billes Miniatures | Roulement à billes ou à rouleaux |
GB1179327A (en) * | 1967-05-18 | 1970-01-28 | Ina Needle Bearings Ltd | A Shaft and Bearing Assembly |
US5081794A (en) * | 1990-08-17 | 1992-01-21 | Haney Donald E | Sander with orbiting platen and abrasive |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3822511A (en) * | 1972-03-22 | 1974-07-09 | Tri Ordinate Corp | Cam controlled grinding machine |
US3947079A (en) * | 1974-11-11 | 1976-03-30 | Fag Bearings Corporation | Temperature compensated spindle |
US4483216A (en) * | 1978-02-20 | 1984-11-20 | Mitsubishi Jukogyo K.K. | Planetary-roller transmission with elastic roller or ring |
US5138862A (en) * | 1991-08-27 | 1992-08-18 | Ball Corporation | Ram guidance system |
JP4294228B2 (ja) * | 2000-03-27 | 2009-07-08 | ナブテスコ株式会社 | ポリッシング装置の回転駆動装置 |
TW485863U (en) * | 2001-08-13 | 2002-05-01 | Hermosa Thin Film Co Ltd | Polishing equipment for end face of optical fiber |
-
2002
- 2002-11-29 DE DE10256124A patent/DE10256124B3/de not_active Expired - Lifetime
-
2003
- 2003-09-23 EP EP03021427A patent/EP1424162B1/de not_active Expired - Lifetime
- 2003-09-23 DK DK03021427T patent/DK1424162T3/da active
- 2003-09-23 ES ES03021427T patent/ES2289219T3/es not_active Expired - Lifetime
- 2003-09-23 AT AT03021427T patent/ATE372853T1/de active
- 2003-11-20 PL PL363584A patent/PL205030B1/pl unknown
- 2003-12-01 US US10/724,079 patent/US7381115B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR515367A (fr) * | 1920-05-06 | 1921-03-31 | Le Coke Ind | Roulement à billes ou à rouleaux |
FR826012A (fr) * | 1936-09-04 | 1938-03-21 | Roulements A Billes Miniatures | Roulement à billes ou à rouleaux |
GB1179327A (en) * | 1967-05-18 | 1970-01-28 | Ina Needle Bearings Ltd | A Shaft and Bearing Assembly |
US5081794A (en) * | 1990-08-17 | 1992-01-21 | Haney Donald E | Sander with orbiting platen and abrasive |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110883611A (zh) * | 2019-12-06 | 2020-03-17 | 台州弘锐精密机械有限公司 | 一种化工压力容器成型后表面精加工工艺 |
CN110883611B (zh) * | 2019-12-06 | 2020-07-07 | 浙江临东机械科技有限公司 | 一种化工压力容器成型后表面精加工工艺 |
Also Published As
Publication number | Publication date |
---|---|
DE10256124B3 (de) | 2004-07-15 |
US7381115B2 (en) | 2008-06-03 |
EP1424162B1 (de) | 2007-09-12 |
ES2289219T3 (es) | 2008-02-01 |
US20040171335A1 (en) | 2004-09-02 |
DK1424162T3 (da) | 2007-10-22 |
PL363584A1 (en) | 2004-05-31 |
ATE372853T1 (de) | 2007-09-15 |
PL205030B1 (pl) | 2010-03-31 |
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