WO2006017360A1 - Procede ameliore de formation d'une bande par electrosoufflage - Google Patents
Procede ameliore de formation d'une bande par electrosoufflage Download PDFInfo
- Publication number
- WO2006017360A1 WO2006017360A1 PCT/US2005/025008 US2005025008W WO2006017360A1 WO 2006017360 A1 WO2006017360 A1 WO 2006017360A1 US 2005025008 W US2005025008 W US 2005025008W WO 2006017360 A1 WO2006017360 A1 WO 2006017360A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- collection
- spinneret
- collection means
- voltage
- polymer
- 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.)
- Ceased
Links
Classifications
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- 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
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- 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
-
- 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
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Definitions
- the present invention relates to a process for forming a fibrous web wherein a polymer stream is spun through a spinning nozzle into an electric field of sufficient strength to impart electrical charge on the polymer and wherein a forwarding gas stream aids in transporting the polymer away from the spinning nozzle.
- PCT publication no. WO 03/080905A discloses an apparatus and method for producing a nanofiber web.
- the method comprises feeding a polymeric solution to a spinning nozzle to which a high voltage is applied while compressed gas is used to envelop the polymer solution in a forwarding gas stream as it exits the nozzle, and collecting the resulting nanofiber web on a grounded suction collector.
- electro-blown spinning refer interchangeably to a process for forming a fibrous web by which a forwarding gas stream is directed generally towards a collection means, into which gas stream a polymer stream is injected from a spinning nozzle, thereby forming a fibrous web which is collected on the collection means, wherein a voltage differential is maintained between the spinning nozzle and the collection means and the voltage differential is of sufficient strength to impart charge on the polymer as it issues from the spinning nozzle.
- nanofibers refers to fibers having diameters of less than 1,000 nanometers.
- the local electric field around individual fibers is of sufficient strength that the electrical force becomes the dominant drawing force which ultimately draws the individual fibers to diameters measured in the hundreds of nanometers or less.
- the geometry of the tip of the spinning nozzle also referred to as the "die tip” creates an intense electric field in the three-dimensional space surrounding the tip which causes charge to be imparted to the web.
- the die tip may be in the form of a cylindrical capillary or in the form of a linear array of cylindrical capillaries.
- the forwarding gas stream is issued from gas nozzles 106 on each side of the spinneret 102.
- the polymer stream fed to the spin pack and discharged through the nozzle in the spinneret is a polymer melt.
- Any polymer known to be suitable for use in a melt spinning process may be used in the process in the form of a polymer melt.
- Polymer melts and polymer-solvent combinations suitable for use in the process are disclosed in Z. M. Huang et al., Composites Science and Technology, volume 63 (2003), pages 2226-2230, which is herein incorporated by reference.
- the moving collection substrate 118 (Fig. 3B) is a nonconductive substrate superposed over a conductive element 120 connected to high voltage, itself superposed on a nonconductive support material 122.
- the conductive element 120 and/or the nonconductive support material 122 can be stationary.
- the moving collection substrate 118 is supplied from a supply roll 124 and the combined collected fibrous nanofiber web and collection substrate 118 are sent to a wind-up roll 126.
- nanofibers and the forwarding gas stream are directed toward the collection substrate 118, where the nanofibers are deposited and collected into a fibrous nanofiber web superposed on the nonconductive collection substrate 118.
- a nonconductive moving collection substrate 118 according to Fig. 3B can be supplied from a supply roll and fed over the moving conductive belt 110 of Fig. 2. In this manner, a fibrous web containing nanofibers is deposited onto the collection substrate, the combination of nanofiber web and nonconductive moving collection substrate are separated from the moving conductive belt by conventional means and are forwarded to a wind-up roll.
- the process of the invention avoids the necessity of maintaining the spin pack including the spinneret, as well as all other upstream equipment, at high voltage, as described in the Background of the Invention.
- the pack, the spinneret and all upstream equipment may be grounded or substantially grounded.
- substantially grounded is meant that the spinneret may be held at a low voltage level, i.e., between -100 V and +100 V.
- the polymer discharge pressure is in the range of about 0.01 kg/cm 2 to about 200 kg/cm 2 , more advantageously in the range of about 0.1 kg/cm 2 to about 20 kg/cm 2 , and the polymer solution throughput per hole is in the range of about 0.1 cc/min to about 15 cc/min.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0513127-8A BRPI0513127A (pt) | 2004-07-13 | 2005-07-13 | processo de sopro elétrico |
| JP2007521643A JP2008506864A (ja) | 2004-07-13 | 2005-07-13 | 改善されたエレクトロブローウェブ形成法 |
| EP05771691A EP1766110A1 (fr) | 2004-07-13 | 2005-07-13 | Procede ameliore de formation d'une bande par electrosoufflage |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/890,358 | 2004-07-13 | ||
| US10/890,358 US20060012084A1 (en) | 2004-07-13 | 2004-07-13 | Electroblowing web formation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006017360A1 true WO2006017360A1 (fr) | 2006-02-16 |
Family
ID=34979561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2005/025008 Ceased WO2006017360A1 (fr) | 2004-07-13 | 2005-07-13 | Procede ameliore de formation d'une bande par electrosoufflage |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20060012084A1 (fr) |
| EP (1) | EP1766110A1 (fr) |
| JP (1) | JP2008506864A (fr) |
| KR (1) | KR20070047282A (fr) |
| CN (1) | CN1985030A (fr) |
| BR (1) | BRPI0513127A (fr) |
| WO (1) | WO2006017360A1 (fr) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007262644A (ja) * | 2006-02-28 | 2007-10-11 | Shinshu Univ | 極細繊維とその製造方法 |
| JP2008525670A (ja) * | 2004-12-27 | 2008-07-17 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 電気ブローイング・ウェブ形成方法 |
| JP2008190090A (ja) * | 2007-02-07 | 2008-08-21 | Matsushita Electric Ind Co Ltd | 高分子ウェブの製造方法及び装置 |
| JP2008223179A (ja) * | 2007-03-14 | 2008-09-25 | Matsushita Electric Ind Co Ltd | 高分子ウェブの製造方法及び装置 |
| JP2009035854A (ja) * | 2007-07-11 | 2009-02-19 | Panasonic Corp | 微細高分子材料製造方法、微細高分子材料製造装置 |
| WO2009067230A1 (fr) | 2007-11-20 | 2009-05-28 | Dow Corning Corporation | Article et son procédé de fabrication |
| JP2009203564A (ja) * | 2008-02-26 | 2009-09-10 | Jfe Chemical Corp | 繊維製造装置及び繊維製造方法 |
| CZ301226B6 (cs) * | 2008-04-09 | 2009-12-16 | Elmarco S.R.O. | Zarízení pro výrobu nanovláken elektrostatickým zvláknováním polymerní matrice |
| JP2010522835A (ja) * | 2007-03-29 | 2010-07-08 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 溶融紡糸によるナノ繊維の製造 |
| EP1834013B1 (fr) * | 2004-11-05 | 2011-12-21 | E.I. Du Pont De Nemours And Company | Soufflage de gaz dans un processus d'electrosoufflage |
| US8211353B2 (en) * | 2008-09-05 | 2012-07-03 | E. I. Du Pont De Nemours And Company | Fiber spinning process using a weakly interacting polymer |
| US8715828B2 (en) | 2008-08-29 | 2014-05-06 | Dow Corning Corporation | Emulsion of metallized particles comprising a compound having a pendant Si-H group |
| CN105350098A (zh) * | 2015-11-13 | 2016-02-24 | 广东工业大学 | 一种具有三维结构的纳米纤维支架制备装置及方法 |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304742B6 (cs) * | 2006-07-24 | 2014-09-17 | Elmarco S.R.O. | Sběrná elektroda zařízení pro výrobu nanovláken elektrostatickým zvlákňováním polymerních roztoků |
| KR100843266B1 (ko) * | 2007-05-07 | 2008-07-02 | 박종철 | 보조 기재를 가진 전기방사장치의 컬렉터 |
| KR100890192B1 (ko) * | 2007-07-10 | 2009-03-25 | 한국기계연구원 | 나노섬유 제조장치 |
| CZ2007728A3 (cs) * | 2007-10-18 | 2009-04-29 | Elmarco S. R. O. | Zarízení pro výrobu vrstvy nanovláken elektrostatickým zvláknováním polymerních matric |
| CN101883882A (zh) * | 2007-10-23 | 2010-11-10 | Ppg工业俄亥俄公司 | 通过电-机械纺丝的纤维成形 |
| US9834865B2 (en) * | 2007-12-17 | 2017-12-05 | E I Du Pont De Nemours And Company | Centrifugal solution spun nanofiber process |
| JP2010065366A (ja) * | 2008-08-11 | 2010-03-25 | Jfe Chemical Corp | 繊維製造装置及び繊維製造方法 |
| US20100059906A1 (en) * | 2008-09-05 | 2010-03-11 | E. I. Du Pont De Nemours And Company | High throughput electroblowing process |
| US8809212B1 (en) * | 2009-11-10 | 2014-08-19 | Stc.Unm | Electrospun fiber mats from polymers having a low Tm, Tg, or molecular weight |
| CN101892527B (zh) * | 2010-06-30 | 2015-05-13 | 江苏丽洋新材料股份有限公司 | 微纤维包裹细小气穴形成的纤维集聚材料及其生产工艺 |
| BR112013000078A2 (pt) | 2010-07-02 | 2020-12-01 | The Procter & Gamble Company | métodos para aplicação de um ativo de cuidados com a saúde mediante a administração de artigos pessoais de cuidados com a saúde que compreendem um filamento |
| JP5698507B2 (ja) * | 2010-12-06 | 2015-04-08 | トップテック・カンパニー・リミテッドTOPTEC Co., Ltd. | 電界紡糸装置及びナノ繊維製造装置 |
| US8496088B2 (en) | 2011-11-09 | 2013-07-30 | Milliken & Company | Acoustic composite |
| CN103998667B (zh) | 2011-12-21 | 2018-02-02 | 纳幕尔杜邦公司 | 平铺来自离心式纺丝工艺的纤维网的方法 |
| US9090996B2 (en) * | 2012-08-15 | 2015-07-28 | E I Du Pont De Nemours And Company | Multizone electroblowing process |
| US9186608B2 (en) | 2012-09-26 | 2015-11-17 | Milliken & Company | Process for forming a high efficiency nanofiber filter |
| US9988742B2 (en) | 2013-04-12 | 2018-06-05 | Donaldson Company, Inc. | Centrifugal electrospinning process |
| ES2534491B1 (es) * | 2013-07-11 | 2016-03-08 | Universitat Politécnica de Catalunya | Sistema y método para producir fibras por electrohilado |
| CN103484956B (zh) * | 2013-10-12 | 2015-08-05 | 厦门大学 | 电纺纳米纤维气浮传输收集装置 |
| WO2015164227A2 (fr) | 2014-04-22 | 2015-10-29 | The Procter & Gamble Company | Compositions se présentant sous la forme de structures solides solubles |
| US10240257B2 (en) * | 2014-09-15 | 2019-03-26 | Clarcor Inc. | Systems and methods for controlled laydown of materials in a fiber production system |
| JP2017075407A (ja) * | 2015-10-12 | 2017-04-20 | 康次 市原 | 加熱溶融静電紡糸による微細繊維集合体の生産方法 |
| WO2017147444A1 (fr) | 2016-02-25 | 2017-08-31 | Avintiv Specialty Materials Inc. | Tissus non-tissés dotés d'un additif améliorant les propriétés de barrière |
| KR20190126782A (ko) * | 2017-01-26 | 2019-11-12 | 더 노스 훼이스 어패럴 코오포레이션 | 의복 또는 기재 및 이의 제작 시스템 및 방법 |
| CN111218724A (zh) * | 2020-01-17 | 2020-06-02 | 太原理工大学 | 一种狭槽形气流熔喷模头的新型辅助装置 |
| KR102317136B1 (ko) * | 2020-03-19 | 2021-10-22 | 충남대학교산학협력단 | 고분자 마이크로 섬유 번들 제조 및 이를 위한 역전압 전기수력학적 제팅 방법 |
| EP3954811A1 (fr) * | 2020-08-13 | 2022-02-16 | Gelatex Technologies OÜ | Dispositif et procédé de production de fibres polymère et leurs utilisations |
| CN115976660A (zh) * | 2022-12-19 | 2023-04-18 | 佛山轻子精密测控技术有限公司 | 一种静电纺丝系统 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5227172A (en) * | 1991-05-14 | 1993-07-13 | Exxon Chemical Patents Inc. | Charged collector apparatus for the production of meltblown electrets |
| EP0950744A1 (fr) * | 1998-04-17 | 1999-10-20 | Polymer Group, Inc. | Améliorations dans la production des non-tissés utilisant une bande transporteuse à charge électrostatique |
| WO2003015927A1 (fr) * | 2001-08-21 | 2003-02-27 | The University Of Akron | Procede et appareil pour la production de nanofibres |
| WO2003080905A1 (fr) * | 2002-03-26 | 2003-10-02 | Nano Technics Co., Ltd. | Dispositif de fabrication et procede de preparation de nanofibres par un processus de filage par « electro-soufflage » |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3319309A (en) * | 1964-06-04 | 1967-05-16 | Du Pont | Charged web collecting apparatus |
| US3387326A (en) * | 1964-06-04 | 1968-06-11 | Du Pont | Apparatus for charging and spreading a web |
| US3490115A (en) * | 1967-04-06 | 1970-01-20 | Du Pont | Apparatus for collecting charged fibrous material in sheet form |
| GB1527592A (en) * | 1974-08-05 | 1978-10-04 | Ici Ltd | Wound dressing |
| GB1522605A (en) * | 1974-09-26 | 1978-08-23 | Ici Ltd | Preparation of fibrous sheet product |
| US4655757A (en) * | 1984-04-23 | 1987-04-07 | Kimberly-Clark Corporation | Selective layering of superabsorbents in meltblown substrates |
| US6110590A (en) * | 1998-04-15 | 2000-08-29 | The University Of Akron | Synthetically spun silk nanofibers and a process for making the same |
| WO2001051690A1 (fr) * | 2000-01-06 | 2001-07-19 | Drexel University | Electrofilage de fibres de polymeres conductrices ultrafines |
| US20020084178A1 (en) * | 2000-12-19 | 2002-07-04 | Nicast Corporation Ltd. | Method and apparatus for manufacturing polymer fiber shells via electrospinning |
| KR100406981B1 (ko) * | 2000-12-22 | 2003-11-28 | 한국과학기술연구원 | 전하 유도 방사에 의한 고분자웹 제조 장치 및 그 방법 |
| US6641773B2 (en) * | 2001-01-10 | 2003-11-04 | The United States Of America As Represented By The Secretary Of The Army | Electro spinning of submicron diameter polymer filaments |
| US7390452B2 (en) * | 2002-03-08 | 2008-06-24 | Board Of Regents, The University Of Texas System | Electrospinning of polymer and mesoporous composite fibers |
-
2004
- 2004-07-13 US US10/890,358 patent/US20060012084A1/en not_active Abandoned
-
2005
- 2005-07-13 WO PCT/US2005/025008 patent/WO2006017360A1/fr not_active Ceased
- 2005-07-13 CN CNA2005800232116A patent/CN1985030A/zh active Pending
- 2005-07-13 EP EP05771691A patent/EP1766110A1/fr not_active Withdrawn
- 2005-07-13 KR KR1020077000765A patent/KR20070047282A/ko not_active Withdrawn
- 2005-07-13 BR BRPI0513127-8A patent/BRPI0513127A/pt not_active Application Discontinuation
- 2005-07-13 JP JP2007521643A patent/JP2008506864A/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5227172A (en) * | 1991-05-14 | 1993-07-13 | Exxon Chemical Patents Inc. | Charged collector apparatus for the production of meltblown electrets |
| EP0950744A1 (fr) * | 1998-04-17 | 1999-10-20 | Polymer Group, Inc. | Améliorations dans la production des non-tissés utilisant une bande transporteuse à charge électrostatique |
| WO2003015927A1 (fr) * | 2001-08-21 | 2003-02-27 | The University Of Akron | Procede et appareil pour la production de nanofibres |
| WO2003080905A1 (fr) * | 2002-03-26 | 2003-10-02 | Nano Technics Co., Ltd. | Dispositif de fabrication et procede de preparation de nanofibres par un processus de filage par « electro-soufflage » |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1834013B1 (fr) * | 2004-11-05 | 2011-12-21 | E.I. Du Pont De Nemours And Company | Soufflage de gaz dans un processus d'electrosoufflage |
| JP2008525670A (ja) * | 2004-12-27 | 2008-07-17 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 電気ブローイング・ウェブ形成方法 |
| JP2007262644A (ja) * | 2006-02-28 | 2007-10-11 | Shinshu Univ | 極細繊維とその製造方法 |
| JP2008190090A (ja) * | 2007-02-07 | 2008-08-21 | Matsushita Electric Ind Co Ltd | 高分子ウェブの製造方法及び装置 |
| JP2008223179A (ja) * | 2007-03-14 | 2008-09-25 | Matsushita Electric Ind Co Ltd | 高分子ウェブの製造方法及び装置 |
| JP2010522835A (ja) * | 2007-03-29 | 2010-07-08 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 溶融紡糸によるナノ繊維の製造 |
| JP2009035854A (ja) * | 2007-07-11 | 2009-02-19 | Panasonic Corp | 微細高分子材料製造方法、微細高分子材料製造装置 |
| WO2009067230A1 (fr) | 2007-11-20 | 2009-05-28 | Dow Corning Corporation | Article et son procédé de fabrication |
| JP2009203564A (ja) * | 2008-02-26 | 2009-09-10 | Jfe Chemical Corp | 繊維製造装置及び繊維製造方法 |
| CZ301226B6 (cs) * | 2008-04-09 | 2009-12-16 | Elmarco S.R.O. | Zarízení pro výrobu nanovláken elektrostatickým zvláknováním polymerní matrice |
| US8715828B2 (en) | 2008-08-29 | 2014-05-06 | Dow Corning Corporation | Emulsion of metallized particles comprising a compound having a pendant Si-H group |
| US8211353B2 (en) * | 2008-09-05 | 2012-07-03 | E. I. Du Pont De Nemours And Company | Fiber spinning process using a weakly interacting polymer |
| CN105350098A (zh) * | 2015-11-13 | 2016-02-24 | 广东工业大学 | 一种具有三维结构的纳米纤维支架制备装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060012084A1 (en) | 2006-01-19 |
| CN1985030A (zh) | 2007-06-20 |
| JP2008506864A (ja) | 2008-03-06 |
| KR20070047282A (ko) | 2007-05-04 |
| BRPI0513127A (pt) | 2008-04-29 |
| EP1766110A1 (fr) | 2007-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20060012084A1 (en) | Electroblowing web formation process | |
| US8808608B2 (en) | Electroblowing web formation process | |
| EP1834020B1 (fr) | Procede ameliore de formation de bande par electrosoufflage | |
| EP1915474B1 (fr) | Procede de filage de fibres ameliore par electrofilage | |
| EP1941082B1 (fr) | Dispositif ameliore permettant de charger des fibres | |
| JP4047286B2 (ja) | ナノ繊維ウエブの製造方法及び製造装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 7218/DELNP/2006 Country of ref document: IN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2007521643 Country of ref document: JP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2005771691 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 200580023211.6 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 1020077000765 Country of ref document: KR |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWP | Wipo information: published in national office |
Ref document number: 2005771691 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: PI0513127 Country of ref document: BR |