EP2310306A1 - Verfahren zum aufwickeln einer laufenden materialbahn sowie wickelmaschine zur durchführung des verfahrens - Google Patents
Verfahren zum aufwickeln einer laufenden materialbahn sowie wickelmaschine zur durchführung des verfahrensInfo
- Publication number
- EP2310306A1 EP2310306A1 EP09780430A EP09780430A EP2310306A1 EP 2310306 A1 EP2310306 A1 EP 2310306A1 EP 09780430 A EP09780430 A EP 09780430A EP 09780430 A EP09780430 A EP 09780430A EP 2310306 A1 EP2310306 A1 EP 2310306A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- produced
- brush element
- wound
- roll
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 194
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000012549 training Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 3
- 241001417494 Sciaenidae Species 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
- B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
- B65H19/2261—Pope-roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/20—Specific machines for handling web(s)
- B65H2408/23—Winding machines
- B65H2408/2362—Winding machines with two secondary winding spools, e.g. on separate carriages
- B65H2408/2364—Winding machines with two secondary winding spools, e.g. on separate carriages with additional element for facilitating web roll change
Definitions
- the invention relates to a method for winding a moving material web, in particular a fibrous web, in which the material web is successively wound onto a plurality of winding cores to wound rolls, wherein the material web preferably guided over a peripheral region of a preferably displaceable and with a wound roll to be wound forming a winding drum and then wound onto a winding core to a wound roll to be produced, wherein a new winding core is preferably brought to the samebie in training of a new winding nip in the wrapped by the web peripheral region of the carrier drum, wherein the web after formation of the new winding nip between the new hub and the carrier drum is severed by means of at least one separator and transferred to the new hub and wound up on it and wherein the produced winding roll is ejected at resolution of the winding nip in an end position.
- the invention relates to a winding machine according to the preamble of independent claim 7.
- This winding machine is particularly suitable for carrying out the method according to the invention.
- Such winding and winding machines are used for example in paper or board making to the finished and running paper or board web without interrupting the manufacturing process, that is, without switching off the paper or board machine, successively to several hubs, which are also referred to as empty reels, to bobbins on to- wrap. Also, they can serve to wrap an already wound wound roll.
- the severing and the transfer of the running material web onto the new winding core forming a new winding nip with the carrier drum can be realized, for example, with a method disclosed in European patents EP 1 456 105 B1 and EP 1 612 173 B1.
- This object is achieved according to the invention in a method of the type mentioned in that at least during its ejection into its end position in at least one edge region, preferably at the wound roll produced in each case at least one brush element is applied in both edge regions.
- the inventive application of at least one brush element in at least one edge region of the produced wound roll at least during its ejection into its end position produces an active surface on the produced wound roll. Because of this effective surface, the outer layers of the wound roll produced are noticeably better tensioned, thus losing less winding hardness, that ultimately minimizes loosely and / or axially staggered paper layers between the individual outer layers, preferably completely avoided.
- the brush element prevents the occurrence of possible damage, for example longitudinal grooves or other markings, and negative changes in properties, for example shiny spots, on the contacted end position of the produced wound roll.
- significantly less thrust forces are introduced between the individual outer layers of the winding roll even with a deceleration of the produced winding roll to its standstill.
- the quality parameters of the winding roll produced during the production of the winding roll can be kept to the last outer layers and a high-quality product can be transferred to the subsequent further processing or finishing processes.
- the brush element is applied to the produced wound roll in an edge region of 0.5 to 2.0 m, preferably 0.75 to 1.75 m, in particular from 1, 0 to 1, 5 m.
- edge region 0.5 to 2.0 m, preferably 0.75 to 1.75 m, in particular from 1, 0 to 1, 5 m.
- the brush element is preferably at least as long applied to the produced winding roll in the edge region until it has been brought to a standstill. After this Achieving the standstill, the brush element can then be displaced immediately or at a different time, in particular after a selectable residence time, in a parking position.
- the brush element is applied to the produced wound roll in the edge region even before the dissolution of the winding nip, in particular before the severing of the material web.
- the brush element preferably with a preferably controlled / regulated contact pressure in a range of 250 to 2000 N / m to brush element, preferably from 500 to 1500 N / m brush element, in particular from 750 to 1250 N / m brush element on pressed the produced roll.
- This pressing force ensures to a sufficient extent that the active surface is formed on the wound roll produced in a process-reliable scope, so the emergence of loose and / or axially offset paper layers in the outer layers of the wound roll produced is thus effectively suppressed.
- the contact force is kept constant or at least approximately constant at least during the installation of the brush element to the wound roll produced in order to constantly create the same or approximately the same operating conditions.
- the object of the invention is achieved according to the invention in a winding machine of the type mentioned in that at least one brush element is provided which can be applied to the produced winding roller at least during its ejection into its end position in at least one edge region.
- This winding machine according to the invention is outstandingly suitable for carrying out the method according to the invention, so that ultimately the already mentioned inventive advantages.
- At least two brush elements are provided, which can be applied to the produced winding roller at least during its ejection into its end position in both edge regions.
- the brush element preferably has a brush width in a range from 0.5 to 2.0 m, preferably from 0.75 to 1.75 m, in particular from 1.0 to 1.5 m.
- the brush element comprises a bristle carrier and a plurality of bristles arranged on the top side on the bristle carrier, preferably plastic bristles or natural hair bristles.
- the bristle carrier and the bristles in this case form a wear unit, which is usually easy to assemble and disassemble.
- the bristles, preferably plastic bristles or natural bristles must be sufficiently resistant to heat during the contact pressure of the brush element on the produced wound roll due to the possible heat development.
- this bristle carrier provides the advantage of a highly self-damping system, which can largely eliminate induced vibrations induced by the wound reel.
- the bristles preferably have a bristle length in the range from 10 to 100 mm, preferably from 20 to 80 mm, in particular from 30 to 60 mm.
- these bristle areas still have sufficient rigidity, in particular flexural rigidity, so that an effective and effective contact pressure of the brush element to the wound roll produced is still possible. A possible emergence of loose and / or axially offset outer layers in the produced winding roll can thus still be avoided.
- the bristles are preferably oriented at an angle of 5 to 45 °, preferably 10 to 30 °, to the produced winding roll, the angle between the perpendicular of the produced wound roll and the longitudinal axis of the individual bristles being formed.
- the bristles thus point in the direction of movement of the produced wound roll, which on the one hand completely avoids damage, for example longitudinal grooves or other markings, and negative changes in properties, for example shiny spots, on the contacted end position of the produced winding roll, but on the other hand also prolongs the life of the bristles lower abrasion is noticeably prolonged.
- the brush element is further preferably preferably mounted on a movement device easily exchangeable and it is by means of the movement means between a parking position and a working position in which the brush element can be applied to the wound roll produced, movable.
- the movement device can be embodied as a self-damping system which largely eliminates vibrations induced by the produced wound reel.
- the brush element can be applied along the contour of a circle segment or substantially linearly, preferably horizontally and / or vertically, to the produced winding roll. Of importance here is only that the brush element continuously forms a process-technically necessary effective surface of the wound roll produced and this preferably during their entire movement, ie from the resolution of the winding gap to reach the end position.
- the brush element can preferably be applied in a lower region to the produced winding roll.
- this embodiment assists in avoiding collisions with adjacent subassemblies of the winding machine; on the other hand, it does not support spatially and, as a result, does not interfere for the operator of the winding machine.
- the brush element together with the movement device can rather be accommodated inside and in the lower area of the two side walls of the secondary area of the winding machine.
- the brush element can be applied in front of or behind the wound roll produced and can be advanced or retraced the movement of the wound roll produced.
- the brush element can also be applied in an upper region of the produced winding roll, but this should be associated with corresponding disadvantages.
- At least one pressing device for preferably controlled / regulated pressing of the brush element with a contact pressure in a range of 250 to 2000 N / m brush element, preferably from 500 to 1500 N / m brush element, in particular from 750 to 1250 N / m brush element be provided to the produced winding roll.
- This pressing force ensures to a sufficient extent that the active surface on the wound roll produced is also formed to a process-reliable extent, ie the formation of loose and / or axially offset paper layers in the outer layers of the produced wound roll is effectively suppressed.
- FIG. 1 shows a schematic side view of a winding machine according to the prior art during a last sequence of a main winding phase
- Figure 2 is a schematic side view of a winding machine according to the invention according to the prior art during a first sequence of a new main winding phase;
- FIG. 3 is a schematic detail view of that shown in FIG.
- FIG. 4 is a schematic detail view of that shown in FIG Winder.
- Figure 5 is a schematic detail view of the winding machine shown in Figure 3.
- the winding machine 1 shown in a schematic side view in Figure 1 comprises a designated as Anpresstrommel or support roller carrier drum 2, which is either rigidly mounted or along an imaginary, dashed horizontal straight line G by means of a pressing device, not shown displaced (double arrow 3) and of a Drive is driven.
- Anpresstrommel or support roller carrier drum 2 which is either rigidly mounted or along an imaginary, dashed horizontal straight line G by means of a pressing device, not shown displaced (double arrow 3) and of a Drive is driven.
- the various types of storage and movement for the carrier drum 2 are disclosed in particular in the German patent application DE 198 07 897 A1; Their content is hereby made the subject of this description.
- the material web 4 in a preferred embodiment in the form of a paper, board or tissue web is led out either from a calender, not shown here, a dryer section of a paper or board machine or a coating machine. It then wraps around first a paper or spreader roll, not shown, then runs in the arrow direction on the lateral surface 5 of the support drum 2 and wraps around this lateral surface 5 by a certain angle ("peripheral region") until it is detached by the resulting winding roll 6.
- Das Removal of the material web 4 from the carrier drum 2 and the transfer to the resulting winding roller 6 takes place in the so-called winding gap 7, which forms during the main winding phase between the carrier drum 2 and the winding roller 6.
- the winding roller 6 is by means of a lifting device, not shown, a movable transport device
- the lifting device may for example be at least one spindle drive which comprises a threaded spindle driven by a motor unit Winding roll 6.
- a new winding core 11 is held at a distance from the carrying drum 2 by a holding device (not shown) ("standby position").
- the material web 7 is successively wound in this winding process shown on several hubs 10, 11 to winding rollers 6.
- FIG. 2 now shows a schematic side view of the winding machine 1 during a first sequence of a new main winding phase.
- a new winding core 11 was preferably brought immediately before reaching a predetermined roll diameter D of the winding roller 6 in the looped by the web 4 peripheral portion of the carrier drum 2 to samebige in forming a new winding nip 7.1 including emerging line force L.
- the axis of rotation of the new hub 11 was above a rotation axis of the carrier drum 2 containing horizontal plane H.
- the web 4 was severed by means of at least one skilled in the art and thus not shown separator 12 and transferred to the new hub 11 and immediately on him wound.
- the severing and the transfer of the running material web 4 on the new and with the carrier drum 2 a new winding nip 7.1 forming winding core 11 can be realized for example with a method disclosed in European patents EP 1 456 105 B1 and EP 1 612 173 B1.
- the produced winding roller 6 is ejected at resolution of the previous winding nip 7 (see Figure 1) by means of a movement B (arrow) in an end position E, from which they are then taken after a standstill in a known manner and a subsequent further processing or refining process can be supplied.
- the deceleration of the produced winding roller 6 can be done in a manner known to those skilled in the art.
- Time offset to the resolution of the previous winding nip 7 (see Figure 1) the new and already wound winding core 11 was placed on the rails 9 while maintaining the formed new winding nip 7.1 including nenden line force L from the holding device, not shown. He can now be wound in the main winding phase to a winding roll.
- FIG. 2 shows that at least one brush element 13 is provided, which can be applied to the produced winding roller 6 at least during its ejection into its end position E in at least one edge region R.
- the brush element 13 is in this case with a preferably controlled / regulated contact force F (arrow) in a range of 250 to 2000 N / m brush element, preferably from 500 to 1500 N / m brush element, in particular from 750 to 1250 N / m brush element , pressed against the produced winding roll 6.
- the brush element 13 is in this case at least as long applied to the produced winding roller 6 in the edge region R until it has been brought to a standstill.
- the brush element 13 is preferably already applied to the produced winding roller 6 in the edge region R prior to the dissolution of the previous winding nip 7 (see FIG. 1), in particular before the material web 4 has been severed.
- FIG. 3 shows a schematic detail view of the winding machine 1 shown in FIG. 2 during an initial winding phase according to the cutout X.
- the new winding core 11 was preferably brought directly before reaching a predetermined roll diameter D of the winding roller 6 in the looped by the web 4 peripheral portion of the carrier drum 2 to samebige in forming a new winding nip 7.1 including emerging line force L.
- the axis of rotation of the new hub 11 is located above a rotation axis of the carrier drum 2 containing horizontal plane H. Thereafter the web 4 by means of at least one known in the art and thus not shown severing device 12 severed and transferred to the new hub 11 and immediately wound up on him.
- the brush element 13 comprises a bristle carrier 14 and a multiplicity of bristles 15, preferably plastic bristles or natural hair bristles, arranged on the bristle carrier 14, and the bristle carrier 14 is in turn preferably arranged so as to be easily interchangeable on a carrier means 17 of a merely indicated movement device 16.
- the support means 17 may for example be a support tube with a rectangular or square tube cross-section.
- the brush element 13 can be applied by means of the merely indicated movement device 16 in a lower region to the produced winding roller 6. It should be noted, however, that the brush element 13 can basically be applied to the manufactured winding roller 6 at any position. In this case, the brush element 13 can be moved by means of the movement device 16 between a parked position P indicated by dashed lines and the illustrated working position A, in which the brush element 13 can be applied to the produced winding roller 6.
- the movement device 16 comprises in the illustrated embodiment, a lifting rod 18 which is mounted on one side stationary and mutually supports the brush member 13.
- the lifting rod 18 is in a known manner by a lifting element 19, such as a hydraulic or pneumatic tables and double acting cylinder, applied.
- This lifting element 19 is immediately part of a pressing device 20 for preferably controlled / regulated pressing of the brush element 13 with a contact pressure F (arrow) in a range of 250 to 2000 N / m brush element, preferably from 500 to 1500 N / m brush element, in particular from 750 to 1250 N / m brush element, to the produced winding roller 6.
- the pressing force F (arrow) should, as already stated, be kept constant or at least approximately constant, so that the brush element 13 is displaced together with the produced winding roller 6 ,
- FIG. 4 shows a schematic detail view of the winding machine 1 shown in FIG. 3 according to the detail Y.
- the brush element 13 comprises a bristle carrier 14 and a multiplicity of bristles 15, preferably plastic bristles or natural hair bristles, arranged on the bristle carrier 14, and the bristle carrier 14 is again preferably easily exchangeable, for example by means of a screwing known to the person skilled in the art or a form-fitting attachment together with a safety device the only indicated support means 17 of the moving means 16 is arranged.
- the bristles 15 of the brush element 13 have a bristle length I in the range of 10 to 100 mm, preferably from 20 to 80 mm, in particular from 30 to 60 mm, and they are flat, for example in rows, arranged on the bristle carrier 14. Furthermore, the bristles 15 are aligned during their investment in the produced winding roll 6 at an angle ⁇ of 5 to 45 °, preferably from 10 to 30 °, to the produced winding roll 6, wherein the angle ⁇ between the vertical S of the produced winding roll 6 and the longitudinal axis C of the individual bristles 15 is formed.
- FIG. 5 shows a detailed view of the winding machine 1 shown in FIG. 3 according to the view Z.
- the brush element 13 arranged on the carrier 17 of the movement device 16 has a brush width b in a range from 0.5 to 2.0 m, preferably from 0.75 to 1.75 m, in particular from 1.0 to 1.5 m. and it is applied in a corresponding edge region R to the wound roll 6 produced on the winding core 10.
- the application of the brush element 13 can in this case take place at least a little offset inwardly to the end face 21 of the wound roll 6 produced.
- the brush element 13 is placed behind it in the movement B (arrow) of the produced winding roller 6 and thus the movement B (arrow) of the produced winding roller is tracked.
- the brush element 13 can also be applied in an upper region to the wound roll 6 produced, but this should be associated with corresponding disadvantages.
- the winding machine 1 illustrated in FIGS. 2 to 5 is particularly suitable for carrying out the method according to the invention for winding up a moving material web 4, in particular a fibrous web, in which the material web 4 is successively wound onto a plurality of winding cores 10, 11 to form winding reels 6.
- the material web 4 is preferably guided over a peripheral region of a preferably displaceable and to be produced with a winding roll 6 a winding nip 7 forming carrier drum 2 and then wound onto a winding core 10 to be produced winding roll 6.
- a new winding core 11 is preferably brought immediately before reaching a predetermined roll diameter D in the looped by the web 4 peripheral portion of the carrier drum 2 to samebige training in a new winding nip 7.1 and the web 4 is after formation of the new winding nip 7.1 between the new hub 11 and the carrier drum 2 severed by means of at least one separator 12 and transferred to the new hub 11 and wound up on it.
- the produced winding roller 6 is then ejected upon dissolution of the winding nip 7 in an end position E.
- the manufactured winding roller 6 at least during its ejection in their end position E in at least one edge region R, preferably at least one brush element 13 is applied in each case in both edge regions R.
- the invention improves a method and a winding machine of the aforementioned types such that the known disadvantages of the prior art are largely, preferably completely eliminated.
- the outer layer scrap coming into play in loose and / or axially offset paper layers which is produced during the ejection of the produced wound roll into its end position with simultaneous deceleration or staggered in time, is minimized with simple and spatially limited means.
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810040350 DE102008040350A1 (de) | 2008-07-11 | 2008-07-11 | Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens |
PCT/EP2009/058822 WO2010004029A1 (de) | 2008-07-11 | 2009-07-10 | Verfahren zum aufwickeln einer laufenden materialbahn sowie wickelmaschine zur durchführung des verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2310306A1 true EP2310306A1 (de) | 2011-04-20 |
EP2310306B1 EP2310306B1 (de) | 2015-09-09 |
Family
ID=41111012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09780430.6A Active EP2310306B1 (de) | 2008-07-11 | 2009-07-10 | Verfahren zum aufwickeln einer laufenden materialbahn sowie wickelmaschine zur durchführung des verfahrens |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2310306B1 (de) |
CN (1) | CN102089230A (de) |
DE (1) | DE102008040350A1 (de) |
WO (1) | WO2010004029A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3988484B1 (de) * | 2020-10-21 | 2024-04-24 | Fameccanica.Data S.p.A. | Verfahren und vorrichtung zur vorbereitung von kanten von bahnmaterialrollen |
CN118145371B (zh) * | 2024-05-10 | 2024-07-02 | 江苏德励达新材料股份有限公司 | 一种建筑保温卷材加工用收卷装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI95683C (fi) * | 1994-06-10 | 1996-03-11 | Valmet Corp | Menetelmä ja laite rainan rullauksessa muodostuvan konerullan pintakerroksien viimeistelemiseksi |
DE59807447D1 (de) * | 1997-05-16 | 2003-04-17 | Voith Paper Patent Gmbh | Verfahren und wickelmaschine zum kontinuierlichen aufwickeln einer materialbahn |
DE59813447D1 (de) * | 1997-05-16 | 2006-05-11 | Voith Paper Patent Gmbh | Verfahren und Wickelmaschine zum kontinuierlichen Aufwickeln einer Materialbahn |
DE19807897A1 (de) | 1998-02-25 | 1999-08-26 | Voith Sulzer Papiertech Patent | Verfahren und Vorrichtung zum kontinuierlichen Aufwickeln einer Materialbahn |
DE19908496A1 (de) * | 1999-02-26 | 2000-08-31 | Voith Sulzer Papiertech Patent | Wickelmaschine zum kontinuierlichen Aufwickeln einer Materialbahn |
FI106447B (fi) * | 1999-06-24 | 2001-02-15 | Valmet Corp | Menetelmä ja laite rullaimen yhteydessä |
FI20011456A0 (fi) * | 2001-07-04 | 2001-07-04 | Metso Paper Inc | Menetelmä ja laitteisto rainan painamiseksi rullaa vasten |
ATE322449T1 (de) | 2001-12-12 | 2006-04-15 | Voith Paper Patent Gmbh | Verfahren zum ueberfuehren einer laufenden materialbahn auf einen wickelkern sowie vorrichtung zur durchfuehrung des verfahrens |
ITFI20020227A1 (it) * | 2002-11-20 | 2004-05-21 | Perini Fabio Spa | Macchina ribobinatrice con un dispositivo incollatore per incollare il lembo finale del rotolo formato e relativo metodo di avvolgimento |
DE102004020322A1 (de) * | 2004-04-26 | 2005-11-10 | Voith Paper Patent Gmbh | Wickelmaschine zum kontinuierlichen Aufwickeln einer Materialbahn |
-
2008
- 2008-07-11 DE DE200810040350 patent/DE102008040350A1/de not_active Withdrawn
-
2009
- 2009-07-10 EP EP09780430.6A patent/EP2310306B1/de active Active
- 2009-07-10 CN CN200980127107XA patent/CN102089230A/zh active Pending
- 2009-07-10 WO PCT/EP2009/058822 patent/WO2010004029A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010004029A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2310306B1 (de) | 2015-09-09 |
CN102089230A (zh) | 2011-06-08 |
DE102008040350A1 (de) | 2010-01-14 |
WO2010004029A1 (de) | 2010-01-14 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20110211 |
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