CN101094950B - Control method for the drum washing machine - Google Patents
Control method for the drum washing machine Download PDFInfo
- Publication number
- CN101094950B CN101094950B CN2005800453829A CN200580045382A CN101094950B CN 101094950 B CN101094950 B CN 101094950B CN 2005800453829 A CN2005800453829 A CN 2005800453829A CN 200580045382 A CN200580045382 A CN 200580045382A CN 101094950 B CN101094950 B CN 101094950B
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- CN
- China
- Prior art keywords
- washing
- washings
- washing machine
- control method
- water
- 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 - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
- D06F37/14—Ribs or rubbing means forming part of the receptacle
- D06F37/145—Ribs or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/04—Heating arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A control method for a drum washing machine is disclosed. An object of the present invention is to provide a control for a drum washing machine capable of capable of not only economizing in power and washing water but also enhancing washing efficiency. The method includes steps of sensing an amount of the laundry introduced within a drum; predetermining a water level based on the sensed amount of the laundry; supplying an amount of washing water smaller than the predetermined water level, but enough to dampen the laundry as well as to cause pumping circulation; a first washing for washing the laundry roughly by means of circulating the small amount of the washing water; re-supplying washing water to the predetermined water level; and a second washing for washing the laundry with rotating the drum in a state without pumping circulation.
Description
Technical field
The present invention relates to roller washing machine, be specifically related to the control method of roller washing machine, make laundry function water and electric saving by strengthening control method.
Background technology
Usually, the control method of roller washing machine is between the cylinder and clothing that utilizes by the motor driven rotary, the frictional force between clothing and the bed clothes washs (" laundry item " that hereinafter, will be in state to be washed puts into cylinder).Therefore, in wash cycle, laundry item has some damage, may not can stir tangle up, and has improved detersive efficiency.
Fig. 1 and 2 illustrates the relevant technical pattern of conventional roller washing machine.
That is, with reference to Fig. 1 and 2, conventional roller washing machine comprises main box 10, the bucket 20 in the main box 10, the rotatable drive part that is fixed on the cylinder 30 in the bucket 20 and is used for head roll 30.
And door 40 is arranged on the outside of opening 11, is used for ON/OFF opening 11.
In addition, feed water valve 14 that links to each other with outer water tube and the detergent container assembly 15 that is connected with feed water valve 14 are also provided.
Damper 21 links to each other with the bottom side of the exterior periphery of bucket 20, and is arranged in main box 10.
Drive part comprises the motor 71 that is used for head roll 30, and with the belt 72 that belt pulley 73 links to each other with 74, it is used for sending the driving force of motor 71 to cylinder 30.
According to conventional roller washing machine, when the customer requirements washing clothes, washing, rinsing and drying are sequentially by controller (not shown) command execution.
In wash cycle, after the washings of predetermined quantity and the washing agent in the detergent container assembly were introduced in the bucket together, cylinder rotated with clothing.
Thereby, wash dirt off by the frictional force between washing agent and clothing and the cylinder 30.
In rinse cycle, provide clear water and cylinder 30 to rotate always and wash washing agent residual in wash cycle and the dirt on the clothing off.
In spin cycle, (about 800~1300RPM) to dry clothing in cylinder 30 rotation at a high speed.
Yet conventional roller washing machine may cause the problem of waste washings and washing agent and the problem of the how unnecessary energy of waste.
Therefore, make great efforts to develop adding and had the washing methods that power saving economizes water function.
Summary of the invention
The description of invention technical problem
The objective of the invention is to design provides a kind of control method of roller washing machine to solve existing issue, make it not only can saves energy and washings can also strengthen clean result.
Technical scheme
In order to reach above-mentioned target and other and the corresponding to improvement of target of the present invention, the same with general description as enforcement here, the control method of washing machine comprises the steps: to detect the clothes amount of putting into cylinder; Based on the predetermined water level of detected clothes amount; Provide than predetermined water level lack but enough soak into clothing and can produce the washings of the some of pumping circulation; The thick washed first time of the washing by described more a spot of washings circulation; Again provide washings to reach predetermined water level; With the washing second time that comes washing clothes by swing roller under the state of no pumping circulation.
The step of the described washing first time comprises the step of heated scrub water.
And, to clothing, carry out the step of washing for the first time by pumping circulation and direct injection washings.
In the step of the described washing first time, the step of the step of heated scrub water and pumping circulation washings is alternately carried out.
In addition, carry out the step of washing for the first time in the preset time cycle.
In addition, the step of execution heated scrub water reaches predetermined temperature.
Advantageous effect
At first, have the beneficial effect of saving washings and electric energy, under the arrangement of washings that lesser amt is provided and pumping circulation washings, carry out washing process because be according to the control method of roller washing machine of the present invention.
The second, have the beneficial effect that can sterilize to clothing according to the control method of roller washing machine of the present invention, because by heated scrub water and pumping circulation washings.
The 3rd, have according to the control method of roller washing machine of the present invention and repeatedly to soak into clothing and make the beneficial effect of from the clothing softer wash-out dirt, because pumping circulation washings and heated scrub water are alternately to carry out.
At last, control method according to roller washing machine of the present invention has the clean result of enhancing and the advantage of dirt elute effect, because increased a step, the cylinder along with rotation in the step that increases provides washings again according to detected clothes amount.
Description of drawings
Included accompanying drawing provides further to be understood the present invention, and illustrated embodiment of the present invention is used for explaining principle of the present invention with explanation.
In the accompanying drawings:
Fig. 1 is a sectional side view, shows the internal structure of the roller washing machine of prior art.
Fig. 2 is the front view of internal structure of the roller washing machine of prior art.
Fig. 3 is the front view according to roller washing machine internal structure of the present invention.
Fig. 4 is the sectional side view of the roller washing machine shown in Fig. 3.
Fig. 5 is the flow chart according to the control method of roller washing machine of the present invention.
The specific embodiment
Be described in detail with reference to the preferred embodiments of the present invention, illustrate the example in the accompanying drawings.
With reference to figure 3 and 4, the preferred embodiments of the present invention have been described.At first, provide main box 110, be used for determining the external form of roller washing machine.
And cylinder 130 rotations are fixed in the bucket 120, are used for holding the clothing of packing into wherein.
As shown in Figure 4, cylinder 130 is with external communications and have a side of opening, and a side of described opening is arranged towards the opening 111 of main box 110.
In addition, a large amount of permeability hole (not shown) forms along the circumferential surface of cylinder 130, is used for carrying washings and steam in cylinder 130.
In addition, be provided for providing washing agent and washings to be connected to feed water valve 118 on the described distributor to the distributor 200 and in the bucket 120.
Feed water valve 118 is connected with outside water inlet pipe (not shown), is used for carrying cold water in roller washing machine.
Circulating pump 400 is positioned at the bottom of roller washing machine, the washings in the bucket 120 that is used for circulating.
Between circulating pump 400 and bucket 120 circular air channel pipe 410 is arranged, it carries the bottom that is drained into bucket 120 with washings, and washings are drained into second side of circulating pump 400 again so that water is transported in the bucket 120 again.
That is, the purpose of circulating pump 400 pumpings is the washings that enter conveying again, and makes progress by circulation canal pipe 410 from the washings that circulating pump 400 enters, and enters again with the top, the place ahead at bucket 120.
As shown in Figure 4, preferred, circulation canal pipe 410 is arranged in seal washer 150 places on the top, the place ahead that is in bucket, so that washings can be injected in the bucket 120.
That is, injection unit 415 is arranged in seal washer 150 places on the top, the place ahead that is in bucket 120, so that washings can be ejected in the bucket 120.
On the other hand, in order to use boiling water clothing is carried out sterilization, heater 500 is arranged on the bottom side of bucket 120.
And, help spot when circulation cleaning water again and from clothing, during wash-out, adopt heater 500 to soak clothing, also be used for heated scrub water and come clothing is carried out sterilization.
Because the water of the lower surface of bucket 120 circulates again by circulating pump 400 and ejects water in the cylinder 130, thus just can evenly not soak clothing, and can save washings.
Preferably, provide the filter (not shown), be used for dust in the filtration cycle water to circulating pump 400 or circulation canal pipe 410.
In addition, as shown in Figure 4, the some parts of circulation canal pipe 410 can form bellows (bellow) 412, so that circulation canal pipe 410 can stably keep himself and bucket 120 position, though roller washing machine produces vibrations at work, and bellows 412 can be made by rubber.
Although show in the accompanying drawings, in the bottom of roller washing machine the drainpipe (not shown) is set, be used for after washing or rinse cycle are finished, discharging washings.
To the control method of the above-mentioned roller washing machine according to the present invention be described.
With reference to roller washing machine according to a preferred embodiment of the invention shown in figure 3 and 4 and the control method according to roller washing machine of the present invention shown in Figure 5, at first the user puts into cylinder 130 with clothing.
Then, detect the clothes amount (S11) that is encased in the cylinder 130.
Thus, be scheduled to water level (S21) based on the clothes amount that detects.
Because these are known for those skilled in the art, so omitted the method for clothes amount and the method for predetermined water level of detecting.
Then, provide the washings that are less than predetermined quantity, soak into clothing fully and can make the pump circulation that (S31) takes place.
That is, controller (not shown) control dispenser 200 carries the washings of described lesser amt in bucket 120.Thereby, can begin the initial water process that adds.
Meanwhile, the washings of described lesser amt mean that the washings of the described lesser amt of part enough soak into clothing and remaining described washings and enough stop in pumping washings process and produce bubble.
If bubble produces, air exists only in the pumping circulation process, has both produced noise and has also reduced the pumping effect.
Then, carry out first washing step, providing also by circulating pump 400 in this step, the washings of the described lesser amt of pumping circulation come washing clothes (S41).
In first washing step, be pumped circulated washing water and be directly injected on the clothing by injection unit 415 in roller washing machine inside.
Preferably, also comprise a step, in this step, cylinder 130 is rotated in jet cleaning water.
Promptly, make the washings that eject evenly soak clothing by while jet cleaning water and swing roller 120.
In addition, described first washing step comprises the step that heats washing water supplied by heater 500.
Therefore, preferably can alternately carry out the step of heated scrub water and the step of pumping circulation washings.
In addition, carry out described first washing step, one predetermined period of time, and step to a predetermined temperature of only carrying out described heated scrub water.Therefore, this can prevent that clothing is owing to the undue rising of temperature damages.
After finishing described first washing step, provide washings again to the predetermined water level of setting based on detected clothes amount (S51).
That is, before predetermined washings are supplied to once more supply at a small amount of washings, reaching water level, this water level is based on that detected laundry amounts is scheduled to.
Thus, under the state by the pumping circulation in not carrying out described first washing step, carry out second washing step (S61) by swing roller 130.
Clothing in described first washing step, soaked into by pumping circulation and washings sterilization by heating after, carry out described second washing step.Therefore, comparing with the washing methods of prior art, can reduce the amount of washing agent and washings and save electric energy, in the washing methods of prior art, is at the beginning washings to be introduced to reach predetermined water level washing clothes afterwards.
When aforesaid washing process is finished, carry out rinsing and drying process to finish whole washing.
In addition, the control method according to roller washing machine of the present invention has following effect.
At first, when introducing washings with lesser amt, washings heat by heater.Repeat this process so that several times are carried out immersion process.
In addition, has the effect of saving washings and electric energy according to the control method of roller washing machine of the present invention, because be several times provide lesser amt again with spray regime washings.
In addition, can have according to the control method of roller washing machine of the present invention and to prevent clothing, because provide washings, swing roller and heated scrub water alternately to carry out because the undue rising of temperature damages and prevents the too high effect of temperature in the cylinder when the washing.
The present invention is not limited to aforesaid embodiment, and to meet modification and the distortion that various the present invention of spirit and scope of the invention can realize be conspicuous for those skilled in the art.
For example, have the roller washing machine of drying function, described washing machine has air, heater and blower fan, can comprise circulating pump, circulation canal pipe and injection unit.Thus, circulate behind the washings of introducing and heating lesser amt.Therefore, carry out the washing methods identical with washing methods of the present invention.
Therefore, this means that the present invention has covered in following claim and the modification of the present invention and the distortion that are equivalent in the scope of the said claims.
Industrial applicibility
The present invention relates to the control method of roller washing machine.
Owing to come executive basis whole washing process of the present invention with the Innovative method that can save washings and electric energy, the present invention has industrial applicibility.
Claims (6)
1. the control method of a roller washing machine comprises the steps:
The clothes amount of cylinder is put in detection;
Based on detected clothes amount predetermined water level;
Provide than predetermined water level lack but enough soak into clothing and can produce the washings of the some of pumping circulation;
Wash the thick washed first time by the described a spot of washings that circulate:
Again provide washings to reach predetermined water level; With
Come the washing second time of washing clothes by swing roller under the state of no pumping circulation.
2. the control method of roller washing machine as claimed in claim 1, the step of the wherein said washing first time comprises the step of heated scrub water.
3. the control method of roller washing machine as claimed in claim 1 is wherein carried out the step of washing the described first time by pumping circulation and direct injection washings to clothing.
4. the control method of roller washing machine as claimed in claim 2 wherein in the step of the described washing first time, is alternately carried out the step of heated scrub water and the step of pumping circulation washings.
5. the control method of roller washing machine as claimed in claim 1 is wherein carried out the step of washing the described first time in the preset time cycle.
6. the control method of roller washing machine as claimed in claim 2, the step of wherein carrying out described heated scrub water reaches predetermined temperature.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040116166A KR101154952B1 (en) | 2004-12-30 | 2004-12-30 | drum washing machine and control method for the same |
KR1020040116166 | 2004-12-30 | ||
KR10-2004-0116166 | 2004-12-30 | ||
PCT/KR2005/004448 WO2006071022A1 (en) | 2004-12-30 | 2005-12-22 | Control method for the drum washing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101094950A CN101094950A (en) | 2007-12-26 |
CN101094950B true CN101094950B (en) | 2010-05-12 |
Family
ID=36615111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800453829A Expired - Fee Related CN101094950B (en) | 2004-12-30 | 2005-12-22 | Control method for the drum washing machine |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1831447B1 (en) |
JP (1) | JP5144276B2 (en) |
KR (1) | KR101154952B1 (en) |
CN (1) | CN101094950B (en) |
AU (1) | AU2005320477B2 (en) |
ES (1) | ES2524605T3 (en) |
WO (1) | WO2006071022A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101085494B1 (en) * | 2006-06-19 | 2011-11-23 | 삼성전자주식회사 | Washing machine and laundry control method |
KR101073505B1 (en) | 2006-08-14 | 2011-10-17 | 삼성전자주식회사 | Washing machine and method to control water level thereof |
KR101085904B1 (en) * | 2007-02-26 | 2011-11-23 | 삼성전자주식회사 | Washing machine and laundry control method |
KR101144809B1 (en) * | 2009-03-20 | 2012-05-11 | 엘지전자 주식회사 | Washing machine and control method of the washing machine |
EP2481843B1 (en) * | 2011-01-27 | 2013-09-11 | Electrolux Home Products Corporation N.V. | A method for operating a washing machine or washer-dryer and a corresponding washing machine or washer-dryer |
JP2017064078A (en) * | 2015-09-30 | 2017-04-06 | 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co.,Ltd. | Washing machine |
DE102016204390A1 (en) * | 2016-03-16 | 2017-09-21 | Henkel Ag & Co. Kgaa | Method for cleaning laundry in a washing machine and a washing machine |
US12180634B2 (en) * | 2018-02-22 | 2024-12-31 | Lg Electronics Inc. | Washing apparatus and method for controlling same |
Citations (5)
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CN1235215A (en) * | 1998-05-13 | 1999-11-17 | 三星电子株式会社 | Method for controlling washing operation of washing machine |
CN2372345Y (en) * | 1999-05-12 | 2000-04-05 | 海尔集团公司 | Spray device of drum washing machine |
US20040154645A1 (en) * | 2002-11-28 | 2004-08-12 | Lg Electronics Inc. | Washing machine control method |
CN1540085A (en) * | 2003-04-25 | 2004-10-27 | Lg������ʽ���� | Washing water cycling device for washing machine and its control method |
WO2004106614A1 (en) * | 2003-05-28 | 2004-12-09 | Lg Electronics Inc. | Washing method for washing machine |
Family Cites Families (8)
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JPH10211393A (en) * | 1997-01-30 | 1998-08-11 | Matsushita Electric Ind Co Ltd | Drum washing machine |
KR19990021190A (en) * | 1997-08-30 | 1999-03-25 | 전주범 | How to Optimize Water Level Detection in Washing Machines |
JP3659836B2 (en) * | 1999-05-19 | 2005-06-15 | シャープ株式会社 | Drum washing machine |
JP2001149685A (en) * | 1999-11-26 | 2001-06-05 | Toshiba Corp | Drum type washing machine |
KR20030021348A (en) * | 2001-09-05 | 2003-03-15 | 주식회사 엘지이아이 | method for controlling washing in drum-type washing machine |
JP4107854B2 (en) * | 2002-03-07 | 2008-06-25 | 三洋電機株式会社 | Drum washing machine |
JP2004073246A (en) * | 2002-08-09 | 2004-03-11 | Sanyo Electric Co Ltd | Washing machine |
JP4856902B2 (en) * | 2005-06-16 | 2012-01-18 | 日立アプライアンス株式会社 | Washing and drying machine |
-
2004
- 2004-12-30 KR KR1020040116166A patent/KR101154952B1/en active IP Right Grant
-
2005
- 2005-12-22 JP JP2007549244A patent/JP5144276B2/en not_active Expired - Fee Related
- 2005-12-22 EP EP05821916.3A patent/EP1831447B1/en not_active Not-in-force
- 2005-12-22 CN CN2005800453829A patent/CN101094950B/en not_active Expired - Fee Related
- 2005-12-22 WO PCT/KR2005/004448 patent/WO2006071022A1/en active Application Filing
- 2005-12-22 ES ES05821916.3T patent/ES2524605T3/en active Active
- 2005-12-22 AU AU2005320477A patent/AU2005320477B2/en not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1235215A (en) * | 1998-05-13 | 1999-11-17 | 三星电子株式会社 | Method for controlling washing operation of washing machine |
CN2372345Y (en) * | 1999-05-12 | 2000-04-05 | 海尔集团公司 | Spray device of drum washing machine |
US20040154645A1 (en) * | 2002-11-28 | 2004-08-12 | Lg Electronics Inc. | Washing machine control method |
CN1540085A (en) * | 2003-04-25 | 2004-10-27 | Lg������ʽ���� | Washing water cycling device for washing machine and its control method |
WO2004106614A1 (en) * | 2003-05-28 | 2004-12-09 | Lg Electronics Inc. | Washing method for washing machine |
Non-Patent Citations (1)
Title |
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说明书第8页第29-30行,第9页第7-9行,第10页第23-24行,图4. |
Also Published As
Publication number | Publication date |
---|---|
KR101154952B1 (en) | 2012-06-18 |
CN101094950A (en) | 2007-12-26 |
EP1831447A1 (en) | 2007-09-12 |
AU2005320477A1 (en) | 2006-07-06 |
WO2006071022A1 (en) | 2006-07-06 |
JP2008526296A (en) | 2008-07-24 |
EP1831447A4 (en) | 2013-10-23 |
KR20060077348A (en) | 2006-07-05 |
AU2005320477B2 (en) | 2009-03-26 |
ES2524605T3 (en) | 2014-12-10 |
JP5144276B2 (en) | 2013-02-13 |
EP1831447B1 (en) | 2014-10-01 |
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Granted publication date: 20100512 Termination date: 20201222 |