CN201545963U - Auto-leveling drawing frame with electric brake - Google Patents
Auto-leveling drawing frame with electric brake Download PDFInfo
- Publication number
- CN201545963U CN201545963U CN2009201617516U CN200920161751U CN201545963U CN 201545963 U CN201545963 U CN 201545963U CN 2009201617516 U CN2009201617516 U CN 2009201617516U CN 200920161751 U CN200920161751 U CN 200920161751U CN 201545963 U CN201545963 U CN 201545963U
- Authority
- CN
- China
- Prior art keywords
- motor
- control module
- draw frame
- autoleveller draw
- brake
- 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.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/38—Regulating or varying draft in response to irregularities in material ; Measuring irregularities
- D01H5/42—Regulating or varying draft in response to irregularities in material ; Measuring irregularities employing electrical time-delay devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Stopping Of Electric Motors (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model relates to an auto-leveling drawing frame (1) with an electric brake (1). The auto-leveling drawing frame (1) is provided with a main motor (9), a regulating motor (2) and a regulating unit (11), wherein the main motor is used for driving at least two roller combinations (8), the regulating motor (2) drives at least one roller in the roller combinations (8a, 8b) so as to superpose force on the same, and the regulating unit (11) regulates rotation speed of the regulating motor according to thickness fluctuation of to-be-processed yarn tapes (4). The regulating motor (2) consisting of an alternating current servo motor is provided with another control unit (3) and can be braked electrically to a static state by aid of the control unit (3).
Description
Technical field
The utility model relates to a kind of autoleveller draw frame (Regulierstrecke), it has a main motor to drive at least two roller combinations, the driving of at least one roller during an adjusting motor makes up with pair roller superposes, and a regulon, regulon is regulated rotating speed of motor at the thickness fluctuation adjustment of yarn band to be processed.
Background technology
In a kind of known autoleveller draw frame embodiment, thereby main motor makes drawing frame have constant feeding speed with the feeding roller that constant rotating speed drives drawing frame.And feed roller is connected with main motor by a differential gearing with feeding roller.Differential gearing is connected with an adjusting motor in addition, thereby by regulating the superpose basic rotating speed of main motor of motor.Right rotating speed and the right rotating speed of intermediate calender rolls of feed roller is variable thus, thus thickness fluctuation that can balanced yarn band.Regulating motor is connected with differential gearing by a brake unit or a connection brake module (Kupplungsbremsmodul) at this.Can realize that by brake unit if needed, locking is regulated to drive and do not have the ground of adjusting and driven drawing frame.After stopping, machine can stop the continuous commentaries on classics and the revolution of drafting system roller in addition.The continuous commentaries on classics of drafting system roller is the same with the revolution of roller can to cause unallowed stretching fluctuation, and this can cause the scrambling of the yarn band produced.In addition, the driving of drawing frame must be braked reliably, to stop self-starting.Must satisfy as standard EN 60204 determined accurate safety requirements at this.Regulating system is stuck in inactive state in short-term when the drawing frame restarting, till being adjusted to certain low rotating speed.
Therefore in the known drawing frame of prior art, for example the RSB-D35 of Rieter Ingolstadt GmbH company or D40 use electromagnetic brake as brake unit.Normally in service, brake in a single day do not have electric current by the time just untie, thereby switch on constantly and activate.When having a power failure, also can realize the reliable shutdown of machine thus.But brake can be worn, thereby needs in addition to adjust and maintenance work at this always.
The utility model content
Therefore the purpose of this utility model is, a kind of autoleveller draw frame is provided, and it is that few people safeguards and can realizes driving reliable braking and stopping.In addition, for providing a kind of method, few people's maintenance operation transforms the autoleveller draw frame that has electromagnetic brake under the prior art.
The purpose of this utility model realizes by the feature of independent claims.
A kind of autoleveller draw frame, its have a main motor with drive at least two rollers combinations, adjusting motor superposes with the driving of at least one roller in the pair roller combination, and a regulon, regulon is regulated rotating speed of motor at the thickness fluctuation adjustment of yarn band to be processed.Usually use roller to making up as roller, still the device that is made of three rollers also is feasible.Constitute by AC servo motor according to adjusting motor of the present utility model, and regulate motor and be provided with other control module, in addition, regulate motor and can brake inactive state electrically by control module.When AC servo motor when regulating motor, can control and can brake inactive state electrically in the mode of less expensive.Thereby no longer need the electromagnetic braking apparatus.And, regulate motor by control module, can and stop at reliable stoppage in transit inactive state in relatively short time inside brake.The requirement that reliable machine is stopped to be provided by standard IEC 61800 or EN 60204 at this, and one of common needs stop brake in the driving of the adjusting under prior art.Because no longer need to install an electromagnetic brake, no longer consider to use a control module and promptly regulate motor with AC servo motor and link to each other, also without the adjustment and the maintenance work of brake at this.Regulate motor and also can behind long-play, reliably brake and need not safeguard, because brake and stop to be other electronic realization.Therefore wearing and tearing can not take place again and weaken braking effect thus.Can not produce wearing and tearing thus, equally avoid pollution yet at this as brake under the prior art.When the drawing frame restarting, this moment, regulating system also must stop at inactive state in short-term equally, and the adjusting motor can not have wearing and tearing and stops energy-conservationly, till adjuster is let pass.
The autoleveller draw frame of implementing according to the utility model can be saved the space relatively in addition, because no longer need common connection brake unit under the picture prior art.
In preferred embodiment of the utility model, regulating motor is that voltage is adjustable, and when the rated value of setting control module is 0 volt, regulates motor braking in inactive state.But the brake of FREQUENCY CONTROL also is feasible.
According to another preferred embodiment of the utility model, regulating motor is that voltage is adjustable by regulon, and when removing the adjuster enable signal, can brake to inactive state by control module.And the signal that enables when adjuster is when re-entering, and the running speed of setting with regulon drives regulates motor.
In addition preferably, when adjuster enables equally when the machine inactive state is removed, guarantee reliably stopping of autoleveller draw frame.
Other particularly preferably are the utility model, and the signal that adjuster enables is transfused to when autoleveller draw frame surpasses the speed of production of regulation and is removed when being lower than the speed of production of regulation.In case when the adjuster enable signal re-enters, regulate driving the running speed operation of setting with regulon again.
Particularly preferably be, regulate motor and be adjusted to reliable stoppage in transit and inactive state.For example can produce a voltage to produce the braking moment of motor by control module or regulon.By so stablizing inactive state motor can not rotated because of the effect of outside.
In the autoleveller draw frame of the present utility model, regulate motor and can adjust voltage by regulon, regulon generates the machine rated value thus, control module can comprise the device that is used to produce braking and/or reliable rated value of stopping transport, and regulates motor and brake inactive state by control module.
Control module can comprise photocoupling relay, and photocoupling relay can be changed between the braking of the machine rated value of regulon and control module and/or reliable rated value of stopping transport.
Control module can comprise the protection that generates enable signal.
In addition preferably, control module comprises braking resistor (Bremswiderstand).The braking that drawing frame can be fast relatively is to inactive state thus, and wherein the electric energy of Chan Shenging is by the braking resistor transmission.
Preferably, control module can be installed at conventional having on the autoleveller draw frame that connects brake module in the utility model additional embodiments.This type of repacking can realize few relatively cost.The autoleveller draw frame of suitable repacking can lack that the people safeguards and energy-conservation the driving, because no longer need as the brake unit under the prior art.
In a kind of method of reequiping autoleveller draw frame, autoleveller draw frame has a main motor and an adjusting motor and an electromagnetic brake, electromagnetic brake is arranged on to be regulated between motor and the differential gearing, removes brake and on the adjusting motor control module is set according to the utility model.Can realize by control module, will regulate motor braking electrically to inactive state.Feasible thus is that few people moves conventional drawing frame with safeguarding, because no longer need to be provided with the space of brake and adjust brake when wearing and tearing.Because no longer need constantly brake to be switched on, can be by autoleveller draw frame of the present utility model or method energy-saving operation drawing frame of the present utility model.Equally also can avoid pollution and the wearing and tearing of dust, thereby also reduce cleaning cost brake.
Method of the present utility model in addition preferably, when on regulating motor control module being set, control module will be regulated motor and be adjusted in reliable stoppage in transit inactive state.Avoided fluctuating at this by the stretching that the roller revolution causes.Avoided risk of damage in addition, stoped and regulated the self-starting that drives.
An AC servo motor preferably is installed as the adjusting motor at this, regulates motor and can be controlled and regulate in more economical mode by control module.
The refiting scheme of autoleveller draw frame particularly preferably is in addition, and control module comprises a device to produce braking and/or reliable rated value of stopping transport.This device can produce 0 volt rated value and motor stall owing to set rated value at this.
In addition preferably, photocoupling relay comprises the photoelectrical coupler with change-over switch of two parallel controls, and photoelectrical coupler is changed between the braking of the machine rated value of regulon and control module and/or reliable rated value of stopping transport.Can be transformed into the outside rated value that produces from the machine rated value in better simply mode at this change-over switch.
In addition preferably, at braking and/or stopping at inactive state, control module has one two passage or multichannel structure.Feasible thus is, realizes higher safety requirements, thereby avoids the risk of damage of the drawing frame element that rotates.
In addition preferably, control module has a switch and produces safe open circuit signaling reliably opening circuit.The input this must drive brake signal in the official hour section after of safe open circuit signaling is with the braking moment to motor braking or generation adjusting motor.
Description of drawings
Other optimal way of the present utility model illustrates according to the embodiment that illustrates subsequently, wherein:
Fig. 1 illustrates the synoptic diagram according to the autoleveller draw frame of electrodynamic braking of the present utility model,
Fig. 2 illustrates the synoptic diagram according to first kind of embodiment of the control module on the autoleveller draw frame of the present utility model; And
Fig. 3 illustrates the optional embodiment according to the control module on the autoleveller draw frame of the present utility model.
The specific embodiment
Fig. 1 illustrates the synoptic diagram according to autoleveller draw frame of the present utility model, wherein according to the utility model an AC servo motor is designed to regulate motor 2, and in addition, wherein servomotor arrives inactive state by control module 3 by the motor self-retention.No longer need mechanical brake at this.
All even in known manner stretching is supplied with the one or more yarn bands 4 that come and is deployed in subsequently on the unshowned arrow-necked bottle in drawing frame 1.Yarn band 4 is by precompressor (Verdichter) 5 and measure pair of rollers (Tastrollenpaar) 6 feed on the drafting system 7 of self.Drafting system comprises the roller combination 8 of a plurality of continuous controls, its usually by roller to constituting.But the roller combination also can comprise 3 rollers.Feed roller constitutes a predraft district to 8b at this to 8a and intermediate calender rolls, and wherein the stretching in predraft district can be regulated by regulating motor 2, and intermediate calender rolls 8b and discharge roller (Ausgangswalze) 8c constitutes a main drawing zone, and wherein stretching or feeding speed are constant.All roller combination 8 is driven 9 and is driven with basic rotating speed by main at this, thereby produces predraft and produce master's stretching between roller combination 8a and roller combination 8b between roller combination 8b and roller combination 8c.For the thickness fluctuation of yarn band 4 that can balanced charging, by the main 9 basic rotating speeds that provide that drive by regulating motor 2 through differential gearings 10 stacks.
The thickness of feed yarn band 3 is gathered by measuring pair of rollers 6 at this, and is converted to machine rated value 16 by regulon 11 at regulating motor 2, shown in the imaginary point arrow.
Be installed between adjusting motor 2 and the differential gearing 10 at connection brake module on the autoleveller draw frame under the prior art, connect brake module and comprise an electromagnetic brake.Can avoid the continuous commentaries on classics or the revolution of roller 8 by brake, continuous change or revolution can cause unallowed stretching fluctuation.Can avoid the autonomous restarting of machine equally and stop regulate the autonomous restarting of motor 2.Therefore electromagnetic brake ventilates in regulating operation and continues energising, thereby realizes reliable the shutdown when having a power failure.
According to the utility model, regulate motor 2 and be provided with other control module 3, regulate motor 2 in addition and can brake inactive state electrically by control module 3.No longer need the electromagnetic braking apparatus at this.Foundation autoleveller draw frame 1 of the present utility model may be embodied as few people's maintenance incessantly thus, and owing to reduced energy requirement, so can save cost, because no longer need brake is continued energising.Can save the space according to autoleveller draw frame 1 of the present utility model equally by removing the connection brake module.Reduced equally because the pollution that the wearing and tearing of brake cause.
At this, the different embodiment of control module 3 are feasible.Control module 3 can act on the regulon 11 or react on the adjusting motor 2 with regulon 11 1 by change-over switch.Same control module 3 also can be separately as the aforementioned components of replenishing and mainly use regulon 11 of regulon 11, and this is particularly preferred to refiting scheme.
According to first embodiment shown in the utility model Fig. 2, control module 3 is 0 volt a rated value 18 at regulating motor 2 generation values, thereby the adjusting motor braking is to inactive state and be stuck in inactive state.Control module 3 comprises a device 14 to produce rated value 18 at this, stably stops because of specified setting value thereby regulate motor 2.The control of regulating motor 2 is by protecting 12a, b, c and servo amplifier 13 realizations.Provide the supply voltage of servo amplifier 13 by protection 12a and 12b, and be servo amplifier 13 input regulator enable signals 17 by protection 12c.Regulate motor 2 and brake inactive state by control module 3, control module 3 comprises a device 14 to produce the voltage of servo amplifier 13, and described voltage is the rated value 18 of braking and/or inactive state.Device 14 can be made of the divider that for example has trimmer potentiometer.Rated value 18 present given voltages are 0 volt, are feasible but be no more than 60mV at this in the reality.
Regulon 3 comprises a photocoupling relay 15 in addition, can change between by rated value 18 that installs 14 machine brake that produce or inactive state and the normal rated value 16 that moves of machine by regulon 11 generations respectively by photocoupling relay.Photocoupling relay 15 comprises the photoelectrical coupler with change-over switch of two parallel controls at this.Import or remove the adjuster enable signal 17 of regulon 11 respectively by protection 12c at this.When by protection 12c input regulator enable signal 17; machine rated value 16 is input on the servo amplifier 13 by photocoupling relay 15; and when not having adjuster enable signal 17, the rated value 18 of machine brake or inactive state is input on the servo amplifier 13.Described conversion realizes by importing or remove adjuster enable signal 17 respectively.
Fig. 3 illustrates control module 3 additional embodiments.Equally by protection 12a, b and servo amplifier 13 realize exchanging the control that saves motor 2 at this.Regulon 11 is provided with in known manner, the machine rated value 16 when regulon generation autoleveller draw frame normally moves.When the speed of production of drawing frame surpassed a setting such as 4m/min, the adjuster enable signal 17 during autoleveller draw frame 1 normal the operation was produced by protection 12c at this.This moment, motor 2 was with the 16 corresponding running speed 16 ' operations of machine rated value.When by protection 12a on servo amplifier 13 during input signal S1, machine will be shut down.Protect 12b by protecting the 12a action and importing other signal S2 on servo amplifier 13 simultaneously.The voltage of protection 12b input will discharge in servo amplifier 13, thereby safe open circuit signaling 19 is input on the servo amplifier.
Realize the removal of adjuster enable signal 17 simultaneously.Motor 2 no longer drives with the machine rated value 16 of normal operation thus, but is the reliable stoppage in transit generation rated value 18 or 18 ' of motor 2 by adjuster 11.But have only when protection 12a in the short period of time, as input first signal S1 in 0.5 second, and protection 12b is when being created in signal S2 on the servo amplifier 13 and being released as safety open circuit signaling 19, signal 18 just produces the braking moment of motor 2.When speed of production during once more greater than the predetermined value of regulation, the adjuster enable signal 17 of normal operation is input to again on the servo amplifier 13 with machine rated value 16.
Thereby utilize described control module 3 feasible be the hazard to person of realizing security function and avoiding the rotating element by autoleveller draw frame 1 to cause.These are by channel structure and signal S1 and S2 and 19 realizations of safe open circuit signaling.
Therefore utilize described control module 3 can realize repertoire.As the replacement of prior art-by brake module, drawing frame can brake electrically by described control module 3, and need not to regulate the ground driving thus.Equally, the emergency braking function of autoleveller draw frame 1, low-speed running and other all essential functions can easily realize.
With respect to the electromagnetic braking unit of known lasting energising, by using electric brake and, reducing energy requirement according to autoleveller draw frame 1 of the present utility model by control module 3.Equally no longer need on brake, spend and safeguard and adjustment work.
Embodiment shown in the utility model is not limited to.Variation can be implemented in the scope of claim of the present utility model.
Claims (9)
1. an autoleveller draw frame (1), it has main motor (9) to drive at least two roller combinations (8), have one and regulate motor (2) with pair roller combination (8a, the driving of at least one roller 8b) superposes, and has a regulon (11), described regulon is regulated the rotating speed of motor (2) at the thickness fluctuation adjustment of yarn band to be processed (4), described autoleveller draw frame (1) is characterised in that, regulating motor (2) is made of AC servo motor and regulates motor (2) and be provided with other control module (3), in addition, regulating motor (2) can brake inactive state electrically and be stuck in reliable stoppage in transit inactive state by control module (3).
2. autoleveller draw frame as claimed in claim 1, it is characterized in that, described adjusting motor (2) is adjusted voltage by described regulon (11), described thus regulon (11) generates machine rated value (16), described control module (3) comprises the device (14) that is used to produce braking and/or reliable rated value (18) of stopping transport, and described adjusting motor (2) is braked inactive state by described control module (3).
3. autoleveller draw frame as claimed in claim 2, it is characterized in that, described control module (3) comprises photocoupling relay (15), and described photocoupling relay (15) is changed between the braking of the machine rated value (16) of described regulon (11) and described control module (3) and/or reliable rated value (18) of stopping transport.
4. as claim 2 or 3 described autoleveller draw frames, it is characterized in that described control module (3) comprises the protection (12c) that generates enable signal (17).
5. autoleveller draw frame as claimed in claim 1 is characterized in that, control module (3) comprises braking resistor.
6. autoleveller draw frame as claimed in claim 1 is characterized in that, control module (3) can be installed on the autoleveller draw frame (1) of the routine with connection-brake module.
7. autoleveller draw frame as claimed in claim 3 is characterized in that, described photocoupling relay (15) comprises the photoelectrical coupler with change-over switch of two parallel controls.
8. autoleveller draw frame as claimed in claim 1 or 2 is characterized in that, control module (3) has one two passage or multichannel structure reliably opening circuit.
9. autoleveller draw frame as claimed in claim 1 or 2 is characterized in that, control module (3) has one and produces the switch of safe open circuit signaling (19) reliably opening circuit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008040871A DE102008040871A1 (en) | 2008-07-30 | 2008-07-30 | Regulating line with electric brake and method for converting a regulating line for low-maintenance operation |
| DE102008040871.9 | 2008-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201545963U true CN201545963U (en) | 2010-08-11 |
Family
ID=41258682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201617516U Expired - Lifetime CN201545963U (en) | 2008-07-30 | 2009-07-23 | Auto-leveling drawing frame with electric brake |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2149628B1 (en) |
| CN (1) | CN201545963U (en) |
| AT (1) | ATE525503T1 (en) |
| DE (1) | DE102008040871A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967704A (en) * | 2010-11-03 | 2011-02-09 | 北京经纬纺机新技术有限公司 | Drawing frame leveling control method and servo system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022116504A1 (en) | 2022-07-01 | 2024-01-04 | Maschinenfabrik Rieter Ag | Regulating section, method for operating a regulating section and method for converting a regulating section |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD85805A1 (en) * | 1970-10-13 | 1971-11-12 | Circuit of the functional brake in AC servomotors | |
| CH647559A5 (en) * | 1978-12-27 | 1985-01-31 | Toyoda Automatic Loom Works | Apparatus for correcting short-wave irregularities in sliver weight in a high-speed spinning machine |
| JPS57154422A (en) * | 1981-03-18 | 1982-09-24 | Hara Shiyokuki Seisakusho:Kk | Controlling apparatus of sliver unevenness in drawing frame |
| DE3150784A1 (en) * | 1981-12-22 | 1983-06-30 | Zinser Textilmaschinen Gmbh, 7333 Ebersbach | Draw frame or the like |
| DE4012551C1 (en) * | 1990-04-19 | 1991-06-27 | Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt, De | |
| DE4140984C2 (en) | 1991-12-12 | 1997-09-25 | Truetzschler Gmbh & Co Kg | Drafting system for a spinning machine, in particular a regulating line for cotton |
| DE19921429B4 (en) * | 1998-06-29 | 2017-03-02 | Rieter Ingolstadt Gmbh | Method and device for error correction of a measured value of sliver supplied by a measuring device in a textile machine |
| DE19925271B4 (en) | 1999-06-02 | 2012-07-12 | Trützschler GmbH & Co Kommanditgesellschaft | Drafting for a spinning machine, in particular a Regulierstrecke for cotton, manmade fibers u. like. |
| DE10004604B4 (en) * | 2000-02-03 | 2018-04-05 | Trützschler GmbH & Co Kommanditgesellschaft | Device for feeding fiber slivers on a spinning machine, in particular stretch, e.g. autoleveler |
| DE10329835B4 (en) * | 2002-09-13 | 2012-05-31 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a track with a drafting device for Doubling and warping of slivers with an adjustment |
-
2008
- 2008-07-30 DE DE102008040871A patent/DE102008040871A1/en not_active Withdrawn
-
2009
- 2009-07-08 EP EP09164917A patent/EP2149628B1/en active Active
- 2009-07-08 AT AT09164917T patent/ATE525503T1/en active
- 2009-07-23 CN CN2009201617516U patent/CN201545963U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967704A (en) * | 2010-11-03 | 2011-02-09 | 北京经纬纺机新技术有限公司 | Drawing frame leveling control method and servo system |
| CN101967704B (en) * | 2010-11-03 | 2012-08-08 | 北京经纬纺机新技术有限公司 | Drawing frame leveling control method and servo system |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE525503T1 (en) | 2011-10-15 |
| EP2149628A1 (en) | 2010-02-03 |
| DE102008040871A1 (en) | 2010-02-04 |
| EP2149628B1 (en) | 2011-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |