EP1637632B1 - Dispositif pour la production de filaments en matériau thermoplastique - Google Patents
Dispositif pour la production de filaments en matériau thermoplastique Download PDFInfo
- Publication number
- EP1637632B1 EP1637632B1 EP04022248A EP04022248A EP1637632B1 EP 1637632 B1 EP1637632 B1 EP 1637632B1 EP 04022248 A EP04022248 A EP 04022248A EP 04022248 A EP04022248 A EP 04022248A EP 1637632 B1 EP1637632 B1 EP 1637632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filaments
- blown air
- nozzle
- sides
- plastic
- 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.)
- Active
Links
- 239000012815 thermoplastic material Substances 0.000 title description 6
- 238000007664 blowing Methods 0.000 claims abstract description 57
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 238000000151 deposition Methods 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
Definitions
- the invention relates to a device for producing filaments of thermoplastic material, comprising a meltblown die having a plastic guide core with at least one row of nozzle holes for the exit of the plastic melt and further arranged on both sides of the plastic guide core feed means for primary blowing air, with which the filaments in the region of the mouths of the nozzle bores can be acted upon on both sides with the primary blowing air.
- endless filaments are produced with the device according to the invention.
- the filaments are deposited on a laying device to form a random fleece or meltblown fleece.
- the meltblown webs produced in this way are used as filters or in filters.
- the technical problem underlying the invention to provide a device of the type mentioned, with the simple and functionally reliable manner, the filament diameter can be effectively reduced, so that diameters smaller than 1 .mu.m and in particular also can be achieved significantly less than 1 micron.
- the invention teaches an apparatus for producing filaments of thermoplastic material, - having a meltblown die, which has a plastic guide core with at least one row of nozzle holes for the exit of the plastic melt and which further comprises on both sides of the plastic guide core arranged feeding means for primary blowing air, with which the filaments in the region of the mouths of the nozzle bores can be acted upon on both sides with the Primärblas Kunststoff and wherein at least one supply device for secondary blowing air is provided, with which the filaments below the meltblown blow head can be acted on laterally with secondary blowing air having a temperature higher than 50 ° C.
- the exit of the plastic melt or polymer melt from the nozzle bores of the plastic guide core takes place in the form of plastic streams, which form the filaments as it were.
- the Primärblas Kunststoff or Primärblas Kunststoffstrahlen are expediently guided acute angle against each other below the nozzle holes. It is within the scope of the invention that the primary blowing air is supplied through corresponding gaps on the plastic guide core in the form of Blas Kunststoff vomstrahlen.
- the primary blowing air is supplied on both sides by gaps or channels between plastic guide core and die lips, and preferably, the gap width of the gap is adjustable.
- the gap width of the gap is adjustable below the plastic guide core thus expediently two opposite nozzle lips arranged, which are preferably adjustable, so that the gap width of the gaps between the plastic guide core and the die lips is adjustable.
- the distance x between the plastic guide core tip and the (imaginary) horizontal extension of the nozzle lip tip is expediently adjustable.
- secondary blowing air below the meltblown blowing head is additionally blown from the side onto the filaments or onto the filament curtain.
- the secondary blowing air at an angle ⁇ of 50 ° to 90 °, preferably from 65 ° to 90 ° and preferably from 75 ° to 90 ° to a running through a nozzle bore imaginary line or vertical sideways or is inflatable from the side.
- the angle ⁇ is thus, so to speak, the angle between a Sekundärblasluftstrahl and said imaginary line or vertical.
- the Sekundärblasluftstrahlen are thus at an angle ⁇ to the imaginary lines extending through the nozzle bores or vertical to the emerging from these nozzle bores filaments inflatable.
- the direction of the imaginary straight line corresponds to the primary (undeflected) discharge direction of the filaments from the nozzle bores.
- the Sekundärblas Kunststoff is orthogonal or substantially orthogonal to a running through a nozzle bore imaginary straight line or vertical inflatable.
- Essentially orthogonal means that the angle ⁇ is 80 ° to 90 ° and preferably 85 ° to 90 °.
- the secondary blowing air is blown at high speed to the filaments or to the filament curtain.
- the vibrations of the filaments or of the threads are amplified both in their frequency and in their amplitude.
- the invention is insofar the realization on the basis that additional draw points or additional points of the thread draw are generated in this way, so that a very effective and extensive stretching of the filaments is possible.
- the at least one feed device for the secondary blowing air is set up with the proviso that secondary blowing air can be inflated with an elevated temperature compared with the room temperature (20 ° C.). It is within the scope of the invention that while Sekundärblas Kunststoff with a temperature higher than 50 ° C, preferably with a temperature higher than 60 ° C is inflatable. Particularly preferred is a secondary blowing air temperature between 65 ° C and 90 ° C, and more preferably between 70 ° C and 80 ° C. The heated secondary blowing air preferably has a relative humidity of less than 70%, preferably less than 50% and very preferably less than 20%. The invention is based on the finding that the thermoplastic phase of the filaments is, as it were, lengthened by blowing the warm or hot secondary blowing air so that the filaments remain stretchable on their way. In this way, a very effective stretching is thus achieved.
- feeding devices for the secondary blowing air are arranged with the proviso that the filaments or the filament curtain can be acted upon by secondary blowing air from both sides.
- supply means are provided on both sides of the filament curtain, so that the bidirectional loading of the filament curtain with secondary blowing air is possible.
- the blowing with the secondary blowing air from at least one side of the filaments or the filament curtain is constant in time.
- Temporal constant blowing means in particular, that the blowing speed of the secondary blowing air remains constant over time.
- the blowing with the secondary blowing air is preferably constant in time from both sides of the filaments or the filament curtain.
- the blowing with the secondary blowing air from at least one side of the filaments or the filament curtain is pulsating (i.e., not constant in time).
- pulsating blowing means that the blowing speed of the secondary blowing air changes over time.
- the speed of the secondary blowing air can change, for example, in a pulsating or alternating manner between 0 and a speed value v1.
- the device according to the invention has a depositing device on which the filaments can be deposited as random or meltblown fleece.
- the meltblown web produced in this way is used in a very preferred embodiment of the invention as a filter or in filters and in particular in fine filters.
- the invention also provides a process for the production of the filaments of thermoplastic material, wherein - as described - is worked both with the Primärblas Kunststoffanblasung and with the Sekundärblas Kunststoffanblasung.
- the invention furthermore relates to the use of the filaments or of a meltblown nonwoven produced with the filaments as filter material.
- the invention is based on the finding that with a device according to the invention or with the corresponding method according to the invention filaments can be produced, which are characterized by a surprisingly small diameter. It can easily filaments with a filament diameter smaller than 1 micron and also be produced with a filament diameter significantly smaller than 1 micron.
- the invention is further based on the finding that the filaments are effectively excited to additional oscillations with the aid of the secondary blowing-off of the invention, and that the number of draw points or drawing regions is thereby effectively increased. In combination with this, special importance is attached to the blowing of secondary higher-temperature blowing air, since this can effectively prolong the thermoplastic phase of the filaments.
- FIGURE shows a schematic representation of a section through a device according to the invention.
- the meltblown die 2 is equipped with a plastic guide core 3, which in the embodiment has a number of nozzle holes 4 for the exit of the plastic melt.
- the row of nozzle bores 4 extends perpendicular to the plane of the paper.
- supply means for secondary blowing air are present on both sides of the filament curtain from the filaments 1, with which the filaments below the meltblown blow head 2 are laterally charged with secondary blowing air.
- This Sekundärblas Kunststoffbeetzhausung has been indicated in the figure by the arrows B.
- the secondary blowing air can be inflated orthogonally or essentially orthogonally to the imaginary straight lines 7 passing through the nozzle bores 4.
- the angle ⁇ between the Sekundärblas Kunststoffanblasung or between a Sekundärblas Kunststoff and a straight line 7 is therefore 90 ° or approximately 90 °.
- an oscillation of the filaments 1 is effectively enhanced. In this way, additional draw points or points of Fadenunterziehung to the filaments.
- secondary blowing air having a temperature higher than 50 ° C is blown.
- the temperature of the secondary blowing air is 65 ° C to 85 ° C, preferably 70 ° C to 80 ° C.
- a depositing device 8 which is preferably formed and in the embodiment as a wire belt.
- the filaments are expediently stored as not shown meltblown fleece.
- the meltblown fleece is particularly suitable for filter applications.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Claims (10)
- Dispositif de production de filaments (1) en matière thermoplastique, comprenant une tête de fusion - soufflage (2), qui présente un coeur de guidage de la matière plastique (3) avec au moins une rangée de trous de filière (4) pour la sortie de la fusion de matière plastique
et qui présente en outre des dispositifs d'alimentation en air de soufflage primaire, disposés de part et d'autre du coeur de guidage de la matière plastique (3), dispositifs par lesquels les filaments (1) peuvent être sollicités des deux côtés par l'air de soufflage primaire dans la zone des débouchés des trous de filière (4),
et dans lequel au moins un dispositif d'alimentation en air de soufflage secondaire est prévu, dispositif par lequel les filaments (1) peuvent être sollicités latéralement par l'air de soufflage secondaire, à une température de plus de 50°C, au-dessous de la tête de fusion - soufflage (2). - Dispositif suivant la revendication 1, dans lequel l'air de soufflage primaire peut être envoyé de part et d'autre au travers d'une fente (5) comprise entre le coeur de guidage de la matière plastique (3) et des lèvres de filière (6), et dans lequel la largeur w de la fente et la distance x entre la pointe du coeur de guidage de la matière plastique et le prolongement horizontal (imaginaire) de la pointe des lèvres de filière sont réglables.
- Dispositif suivant l'une des revendications 1 et 2, dans lequel l'air de soufflage secondaire peut être insufflé sous un angle α de 50° à 90°, de préférence de 65° à 90°, et préférentiellement de 75° à 90°, par rapport à une droite (7) imaginaire passant par un trou de filière (4).
- Dispositif suivant la revendication 3, dans lequel l'air de soufflage secondaire peut être insufflé perpen-diculairement et/ou de façon essentiellement perpen-diculaire à une droite (7) imaginaire passant par un trou de filière.
- Dispositif suivant l'une des revendications 1 à 4, dans lequel l'air de soufflage secondaire peut être insufflé à une température de préférence de plus de 60°C.
- Dispositif suivant l'une des revendications 1 à 5, dans lequel l'humidité relative de l'air de soufflage secondaire est inférieure à 70%, de préférence inférieure à 50% et préférentiellement inférieure à 20%.
- Dispositif suivant l'une des revendications 1 à 6, dans lequel les dispositifs d'alimentation en air de soufflage secondaire sont disposés de telle sorte que les filaments (1) et/ou le rideau de filaments peuvent être sollicités des deux côtés par l'air de soufflage secondaire.
- Dispositif suivant l'une des revendications 1 à 7, dans lequel l'insufflation de l'air de soufflage secondaire s'effectue de façon constante dans le temps, d'au moins un côté.
- Dispositif suivant l'une des revendications 1 à 8, dans lequel l'insufflation de l'air de soufflage secondaire s'effectue de façon pulsatoire, d'au moins un côté.
- Dispositif suivant l'une des revendications 1 à 9, dans lequel est prévu un dispositif de dépôt (8) sur lequel les filaments peuvent être déposés sous forme de non-tissé.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04022248A EP1637632B1 (fr) | 2004-09-17 | 2004-09-17 | Dispositif pour la production de filaments en matériau thermoplastique |
DK04022248T DK1637632T3 (da) | 2004-09-17 | 2004-09-17 | Anordning til fremstilling af filamenter af termoplast |
DE502004004519T DE502004004519D1 (de) | 2004-09-17 | 2004-09-17 | Vorrichtung zur Herstellung von Filamenten aus thermoplastischem Kunststoff |
ES04022248T ES2287619T3 (es) | 2004-09-17 | 2004-09-17 | Dispositivo para la fabricacion de filamentos de material termoplastico. |
AT04022248T ATE368759T1 (de) | 2004-09-17 | 2004-09-17 | Vorrichtung zur herstellung von filamenten aus thermoplastischem kunststoff |
MXPA05009748A MXPA05009748A (es) | 2004-09-17 | 2005-09-13 | Dispositivo para producir filamentos a partir de material sintetico termoplastico. |
KR1020050085835A KR100783450B1 (ko) | 2004-09-17 | 2005-09-14 | 열가소성 합성 섬유로 필라멘트를 제조하는 장치 |
US11/226,231 US20060061006A1 (en) | 2004-09-17 | 2005-09-15 | Device for producing filaments from thermoplastic synthetic |
CN2005101040755A CN1757800B (zh) | 2004-09-17 | 2005-09-15 | 用热塑性合成物制造长丝的设备 |
JP2005269633A JP2006083511A (ja) | 2004-09-17 | 2005-09-16 | 熱可塑性の合成物質からフィラメントを製造するための装置 |
BRPI0504077-9A BRPI0504077B1 (pt) | 2004-09-17 | 2005-09-16 | Dispositivo para produzir filamentos de um termoplástico sintético |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04022248A EP1637632B1 (fr) | 2004-09-17 | 2004-09-17 | Dispositif pour la production de filaments en matériau thermoplastique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1637632A1 EP1637632A1 (fr) | 2006-03-22 |
EP1637632B1 true EP1637632B1 (fr) | 2007-08-01 |
Family
ID=34926598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04022248A Active EP1637632B1 (fr) | 2004-09-17 | 2004-09-17 | Dispositif pour la production de filaments en matériau thermoplastique |
Country Status (11)
Country | Link |
---|---|
US (1) | US20060061006A1 (fr) |
EP (1) | EP1637632B1 (fr) |
JP (1) | JP2006083511A (fr) |
KR (1) | KR100783450B1 (fr) |
CN (1) | CN1757800B (fr) |
AT (1) | ATE368759T1 (fr) |
BR (1) | BRPI0504077B1 (fr) |
DE (1) | DE502004004519D1 (fr) |
DK (1) | DK1637632T3 (fr) |
ES (1) | ES2287619T3 (fr) |
MX (1) | MXPA05009748A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006014236A1 (de) | 2006-03-28 | 2007-10-04 | Irema-Filter Gmbh | Plissierbares Vliesmaterial und Verfahren und Vorrichtung zur Herstellung derselben |
RU2602481C2 (ru) * | 2010-08-12 | 2016-11-20 | Бома Инжиниринг Срл | Способ и устройство для формования волокон, в частности, для изготовления волокносодержащего нетканого материала |
DE102010052155A1 (de) | 2010-11-22 | 2012-05-24 | Irema-Filter Gmbh | Luftfiltermedium mit zwei Wirkmechanismen |
EP2650419B2 (fr) | 2010-12-06 | 2023-11-15 | Mitsui Chemicals, Inc. | Etoffe non tissée obtenue par fusion-soufflage, procédé pour sa production et dispositif pour le réaliser |
DE102012004227A1 (de) * | 2012-03-06 | 2013-09-12 | Carl Freudenberg Kg | Verfahren und Vorrichtung zur Herstellung von superfeinen Polymerfasern durch Melt-blown-Technik |
DE102012011065A1 (de) * | 2012-06-04 | 2013-12-05 | Irema-Filter Gmbh | Verfahren zur Herstellung eines Vliesstoffes |
DE102013008402A1 (de) | 2013-05-16 | 2014-11-20 | Irema-Filter Gmbh | Faservlies und Verfahren zur Herstellung desselben |
WO2016013051A1 (fr) * | 2014-07-21 | 2016-01-28 | ゼプト株式会社 | Tête de buse d'injection formant des nanofibres, et dispositif de production de nanofibre comprenant la tête de buse d'injection formant des nanofibres |
CN104532368B (zh) * | 2015-01-27 | 2018-01-09 | 嘉兴学院 | 一种装卸式可调长梭型溶液喷射纺丝喷嘴及其使用方法 |
WO2017170241A1 (fr) * | 2016-03-30 | 2017-10-05 | 三井化学株式会社 | Dispositif de fabrication de non-tissé, procédé de fabrication de non-tissé, et non-tissé |
CN111556909B (zh) | 2017-11-22 | 2024-04-09 | 挤压集团公司 | 熔喷模头尖端组件和方法 |
CN109837598A (zh) * | 2019-04-17 | 2019-06-04 | 中国科学院长春应用化学研究所 | 一种微流控纺丝装置及方法 |
CN111910262B (zh) * | 2020-08-04 | 2022-04-15 | 冯建国 | 熔喷式无纺布制作设备、方法、熔喷式无纺布与卫生用品 |
CN114075700B (zh) * | 2020-08-19 | 2022-11-29 | 中国科学院宁波材料技术与工程研究所 | 一种链式预调制熔喷方法、链式预调制熔喷头及熔喷装置 |
CN112030238B (zh) * | 2020-08-31 | 2021-06-08 | 山东恒鹏卫生用品有限公司 | 一种熔喷布生产制造熔喷模头 |
WO2024098139A1 (fr) * | 2022-11-08 | 2024-05-16 | Heat-Mx Worldwide | Procédés pour la récupération de déchets textiles et leur recyclage sans teinture ni production de contamination microplastique dans un système d'eau |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2618406B2 (de) * | 1976-04-23 | 1979-07-26 | Karl Fischer Apparate- & Rohrleitungsbau, 1000 Berlin | Verfahren zum Herstellen vororientierter Füamentgarne aus thermoplastischen Polymeren |
US4622259A (en) * | 1985-08-08 | 1986-11-11 | Surgikos, Inc. | Nonwoven medical fabric |
US4753843A (en) * | 1986-05-01 | 1988-06-28 | Kimberly-Clark Corporation | Absorbent, protective nonwoven fabric |
AU8275591A (en) * | 1990-08-29 | 1992-03-05 | Chicopee | Spacer bar assembly for a melt blown die apparatus |
US5075068A (en) * | 1990-10-11 | 1991-12-24 | Exxon Chemical Patents Inc. | Method and apparatus for treating meltblown filaments |
JP2989684B2 (ja) * | 1991-04-18 | 1999-12-13 | 株式会社クラレ | ポリメチルペンテン極細繊維ウエブ及びその製造方法 |
WO1992018677A1 (fr) * | 1991-04-22 | 1992-10-29 | Minnesota Mining And Manufacturing Company | Fibres fondues-soufflees etirees, procedes de fabrication et textiles produits a partir desdites fibres |
US5366793A (en) * | 1992-04-07 | 1994-11-22 | Kimberly Clark Co | Anisotropic nonwoven fibrous web |
US5273565A (en) * | 1992-10-14 | 1993-12-28 | Exxon Chemical Patents Inc. | Meltblown fabric |
US5405559A (en) * | 1993-12-08 | 1995-04-11 | The Board Of Regents Of The University Of Oklahoma | Polymer processing using pulsating fluidic flow |
EP0842310B1 (fr) * | 1995-08-02 | 2008-01-02 | Kimberly-Clark Worldwide, Inc. | Procede et dispositif de production de fibres artificielles |
US6001303A (en) * | 1997-12-19 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Process of making fibers |
US6521555B1 (en) * | 1999-06-16 | 2003-02-18 | First Quality Nonwovens, Inc. | Method of making media of controlled porosity and product thereof |
JP2001081660A (ja) * | 1999-09-07 | 2001-03-27 | Tonen Tapyrus Co Ltd | 高強度メルトブロー不織布及びその製造方法 |
US6861025B2 (en) * | 2002-06-20 | 2005-03-01 | 3M Innovative Properties Company | Attenuating fluid manifold for meltblowing die |
-
2004
- 2004-09-17 AT AT04022248T patent/ATE368759T1/de active
- 2004-09-17 DK DK04022248T patent/DK1637632T3/da active
- 2004-09-17 EP EP04022248A patent/EP1637632B1/fr active Active
- 2004-09-17 DE DE502004004519T patent/DE502004004519D1/de active Active
- 2004-09-17 ES ES04022248T patent/ES2287619T3/es active Active
-
2005
- 2005-09-13 MX MXPA05009748A patent/MXPA05009748A/es active IP Right Grant
- 2005-09-14 KR KR1020050085835A patent/KR100783450B1/ko active IP Right Grant
- 2005-09-15 CN CN2005101040755A patent/CN1757800B/zh active Active
- 2005-09-15 US US11/226,231 patent/US20060061006A1/en not_active Abandoned
- 2005-09-16 JP JP2005269633A patent/JP2006083511A/ja active Pending
- 2005-09-16 BR BRPI0504077-9A patent/BRPI0504077B1/pt active IP Right Grant
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
MXPA05009748A (es) | 2006-05-31 |
US20060061006A1 (en) | 2006-03-23 |
EP1637632A1 (fr) | 2006-03-22 |
CN1757800A (zh) | 2006-04-12 |
BRPI0504077A (pt) | 2006-05-02 |
JP2006083511A (ja) | 2006-03-30 |
BRPI0504077B1 (pt) | 2015-08-04 |
DE502004004519D1 (de) | 2007-09-13 |
KR100783450B1 (ko) | 2007-12-07 |
ES2287619T3 (es) | 2007-12-16 |
CN1757800B (zh) | 2010-05-05 |
KR20060051299A (ko) | 2006-05-19 |
ATE368759T1 (de) | 2007-08-15 |
DK1637632T3 (da) | 2007-10-29 |
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