JP2009545439A5 - - Google Patents

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Publication number
JP2009545439A5
JP2009545439A5 JP2009522932A JP2009522932A JP2009545439A5 JP 2009545439 A5 JP2009545439 A5 JP 2009545439A5 JP 2009522932 A JP2009522932 A JP 2009522932A JP 2009522932 A JP2009522932 A JP 2009522932A JP 2009545439 A5 JP2009545439 A5 JP 2009545439A5
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JP
Japan
Prior art keywords
fibers
bonded
self
component
web
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JP2009522932A
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English (en)
Japanese (ja)
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JP5362560B2 (ja
JP2009545439A (ja
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Priority claimed from US11/461,296 external-priority patent/US7947142B2/en
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Publication of JP2009545439A5 publication Critical patent/JP2009545439A5/ja
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Publication of JP5362560B2 publication Critical patent/JP5362560B2/ja
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JP2009522932A 2006-07-31 2007-07-19 単層単成分メルトスパン媒体を有するひだ付け加工フィルタ Active JP5362560B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/461,296 2006-07-31
US11/461,296 US7947142B2 (en) 2006-07-31 2006-07-31 Pleated filter with monolayer monocomponent meltspun media
PCT/US2007/073882 WO2008016788A1 (en) 2006-07-31 2007-07-19 Pleated filter with monolayer monocomponent meltspun media

Publications (3)

Publication Number Publication Date
JP2009545439A JP2009545439A (ja) 2009-12-24
JP2009545439A5 true JP2009545439A5 (https=) 2010-09-02
JP5362560B2 JP5362560B2 (ja) 2013-12-11

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ID=38984728

Family Applications (1)

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JP2009522932A Active JP5362560B2 (ja) 2006-07-31 2007-07-19 単層単成分メルトスパン媒体を有するひだ付け加工フィルタ

Country Status (7)

Country Link
US (2) US7947142B2 (https=)
EP (1) EP2054135B1 (https=)
JP (1) JP5362560B2 (https=)
KR (1) KR101413336B1 (https=)
CN (1) CN101495210B (https=)
CA (1) CA2659341C (https=)
WO (1) WO2008016788A1 (https=)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040260034A1 (en) 2003-06-19 2004-12-23 Haile William Alston Water-dispersible fibers and fibrous articles
US8513147B2 (en) * 2003-06-19 2013-08-20 Eastman Chemical Company Nonwovens produced from multicomponent fibers
US7892993B2 (en) * 2003-06-19 2011-02-22 Eastman Chemical Company Water-dispersible and multicomponent fibers from sulfopolyesters
US9770058B2 (en) * 2006-07-17 2017-09-26 3M Innovative Properties Company Flat-fold respirator with monocomponent filtration/stiffening monolayer
US8802002B2 (en) * 2006-12-28 2014-08-12 3M Innovative Properties Company Dimensionally stable bonded nonwoven fibrous webs
US7837756B2 (en) 2007-04-05 2010-11-23 Aaf-Mcquay Inc. Filter with ePTFE and method of forming
EP2242726B1 (en) * 2007-12-31 2018-08-15 3M Innovative Properties Company Fluid filtration articles and methods of making and using the same
US7875787B2 (en) 2008-02-01 2011-01-25 Master Key, Llc Apparatus and method for visualization of music using note extraction
US8673040B2 (en) 2008-06-13 2014-03-18 Donaldson Company, Inc. Filter construction for use with air in-take for gas turbine and methods
US9682512B2 (en) 2009-02-06 2017-06-20 Nike, Inc. Methods of joining textiles and other elements incorporating a thermoplastic polymer material
US20100199406A1 (en) 2009-02-06 2010-08-12 Nike, Inc. Thermoplastic Non-Woven Textile Elements
US20100199520A1 (en) * 2009-02-06 2010-08-12 Nike, Inc. Textured Thermoplastic Non-Woven Elements
US8906275B2 (en) 2012-05-29 2014-12-09 Nike, Inc. Textured elements incorporating non-woven textile materials and methods for manufacturing the textured elements
US8850719B2 (en) 2009-02-06 2014-10-07 Nike, Inc. Layered thermoplastic non-woven textile elements
US8512519B2 (en) * 2009-04-24 2013-08-20 Eastman Chemical Company Sulfopolyesters for paper strength and process
CN102458608B (zh) * 2009-06-12 2016-08-31 克拉克空气过滤产品有限公司 无薄膜过滤器和/或用于过滤器的整体框架
US8162153B2 (en) * 2009-07-02 2012-04-24 3M Innovative Properties Company High loft spunbonded web
CA2786867C (en) * 2010-01-18 2022-01-04 3M Innovative Properties Company Air filter with sorbent particles
MX355872B (es) * 2010-07-22 2018-05-03 Dynamic Adsorbents Inc Material absorbente de compuesto organico y procedimiento para hacer el mismo.
US20120183861A1 (en) 2010-10-21 2012-07-19 Eastman Chemical Company Sulfopolyester binders
US9266068B2 (en) 2010-11-08 2016-02-23 American Air Filter Company, Inc. Aerosol generator for EPTFE filter testing and method of use
BR112013011395B1 (pt) * 2010-11-08 2020-12-15 Aaf-Mcquay Inc., D/B/A Aff International Configuração de ensaio de desafio e meio de filtração de eptfe e método para instalação e ensaio de vazamento de meio de filtração de eptfe
DE102011014202A1 (de) * 2011-03-16 2012-09-20 Sandler Ag Filtermedium für die Herstellung plissierter Filter
US8906200B2 (en) 2012-01-31 2014-12-09 Eastman Chemical Company Processes to produce short cut microfibers
US20130255103A1 (en) 2012-04-03 2013-10-03 Nike, Inc. Apparel And Other Products Incorporating A Thermoplastic Polymer Material
US9072991B2 (en) * 2012-04-24 2015-07-07 Southern Felt Company, Inc. Conductive filter media
CN105407998B (zh) 2012-12-28 2018-02-02 3M创新有限公司 包含电荷加强添加剂的驻极体料片
CA2900658A1 (en) 2013-02-15 2014-08-21 3M Innovative Properties Company System and method for making pleated filter media
US9303357B2 (en) 2013-04-19 2016-04-05 Eastman Chemical Company Paper and nonwoven articles comprising synthetic microfiber binders
DE102013008402B4 (de) * 2013-05-16 2025-07-17 Irema-Filter Gmbh Faservlies und Verfahren zur Herstellung desselben
US20140366733A1 (en) * 2013-06-18 2014-12-18 Bha Altair, Llc Filter media and method of forming the same
KR20160050059A (ko) * 2013-09-03 2016-05-10 쓰리엠 이노베이티브 프로퍼티즈 컴파니 멜트-스피닝 공정, 멜트-스펀 부직 섬유질 웨브 및 관련 여과 매체
CN103638746B (zh) * 2013-12-17 2015-06-03 佛山市斯乐普特种材料有限公司 高效低阻纺粘非织造滤料、及其生产设备和制造方法
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
CN105828908B (zh) 2013-12-17 2017-11-03 3M创新有限公司 空气质量指示器
US10328371B2 (en) 2014-03-21 2019-06-25 3M Innovative Properties Company Refillable air filter assembly
JP2017529232A (ja) 2014-08-25 2017-10-05 スリーエム イノベイティブ プロパティズ カンパニー ロール状構成のエアフィルタ
EP3186425B1 (en) * 2014-08-26 2020-01-01 3M Innovative Properties Company Spunbonded web comprising polylactic acid fibers
DE102014117506A1 (de) 2014-11-28 2016-06-02 Filta Co., Ltd Filtermedium mit großem Faltenabstand
JP6678179B2 (ja) 2015-01-29 2020-04-08 スリーエム イノベイティブ プロパティズ カンパニー 架橋フィラメントを有する適合可能なプリーツ空気フィルタ
US10406472B2 (en) 2015-03-12 2019-09-10 3M Innovative Properties Company Collapsible air filter
US10828587B2 (en) 2015-04-17 2020-11-10 Hollingsworth & Vose Company Stable filter media including nanofibers
EP3777989B1 (en) 2015-08-17 2025-06-04 Parker-Hannifin Corporation Filter media packs, methods of making and filter media presses
US11278833B2 (en) 2015-08-17 2022-03-22 Parker-Hamilton Corporation Filter media packs, methods of making, and ultrasonic cutting or welding
US10940416B2 (en) 2015-09-24 2021-03-09 3M Innovative Properties Company Air filter devices with gap sealing unit
US10981099B2 (en) 2015-09-24 2021-04-20 3M Innovative Properties Company Expandable air filters
CA2928138A1 (en) 2015-11-10 2017-05-10 3M Innovative Properties Company Air filter use indicators
RU2704211C1 (ru) 2016-03-14 2019-10-24 3М Инновейтив Пропертиз Компани Воздушные фильтры, содержащие полимерные сорбенты для химически активных газов
JP7055967B2 (ja) 2016-03-14 2022-04-19 スリーエム イノベイティブ プロパティズ カンパニー アルデヒド類のためのポリマー吸着剤を含む複合顆粒
US10960341B2 (en) 2016-03-14 2021-03-30 3M Innovative Properties Company Air filters comprising polymeric sorbents for aldehydes
CA3018596C (en) 2016-03-24 2024-01-23 3M Innovative Properties Company Room air purifier with rfid reader
US11253807B2 (en) 2016-06-06 2022-02-22 3M Innovative Properties Company Channel-framed, pleated air filter with bridging filaments
KR20190032564A (ko) 2016-08-05 2019-03-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 부동태화된 필터 수명 표시기를 갖는 공기 필터
EP3503992A4 (en) * 2016-08-26 2020-01-22 3M Innovative Properties Company IMPROVED ROOM AIR CLEANER AND FILTER MEDIA
EP3538246B1 (en) 2016-11-14 2021-06-09 3M Innovative Properties Company Air filters comprising metal-containing polymeric sorbents
CN109963635B (zh) 2016-11-17 2021-06-18 3M创新有限公司 具有视觉过滤器寿命指示器区和载有吸附剂的视觉基准区的空气过滤器
US10898838B2 (en) 2016-12-15 2021-01-26 Hollingsworth & Vose Company Filter media including adhesives
US10543441B2 (en) 2016-12-15 2020-01-28 Hollingsworth & Vose Company Filter media including adhesives and/or oleophobic properties
EP3600601A4 (en) * 2017-03-28 2021-01-13 Hollingsworth & Vose Company FILTER MEDIA CONTAINING ADHESIVES AND / OR OLEOPHOBIC PROPERTIES
WO2018191865A1 (en) 2017-04-18 2018-10-25 3M Innovative Properties Company Air filter media with post-pleat-deposited sorbent particles
JP7092124B2 (ja) * 2017-06-09 2022-06-28 東洋紡株式会社 長繊維不織布およびそれを用いたフィルター補強材
CN110719805B (zh) 2017-06-16 2022-12-27 3M创新有限公司 包含用于醛的聚合物吸附剂的空气过滤器
CN108940336B (zh) * 2018-07-03 2020-06-12 山西大学 一种含氮掺杂的钴基碳纳米催化剂及其制备方法和应用
US11452959B2 (en) * 2018-11-30 2022-09-27 Hollingsworth & Vose Company Filter media having a fine pore size distribution
IT201800020083A1 (it) * 2018-12-18 2020-06-18 Gd Spa Macchina per la realizzazione di spezzoni tubolari dell’industria del tabacco
US20220266181A1 (en) * 2019-08-13 2022-08-25 3M Innovative Properties Company Spunbonded Air-Filtration Web
CA3151083C (en) * 2019-08-13 2023-01-24 3M Innovative Properties Company Spunbonded air-filtration web
CN111389064B (zh) * 2020-03-31 2021-11-30 郑州市水利工程监理中心 一种用于水利水电工程的过滤系统
CN111534935B (zh) * 2020-05-07 2022-06-10 新石器科技有限公司 一种接枝共聚聚丙烯口罩制备装置及其使用方法
WO2022009028A1 (en) 2020-07-08 2022-01-13 3M Innovative Properties Company Pleated filtration assembly comprising spunbonded prefilter
US20230311037A1 (en) * 2020-07-17 2023-10-05 The Hong Kong Polytechnic University High filtration filter with disinfection, low pressure drop and reduced cake formation
JP7537007B2 (ja) * 2020-08-21 2024-08-20 ダウ グローバル テクノロジーズ エルエルシー 高い体積抵抗率を有するメルトブローン不織布及びその物品
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CN114717750A (zh) * 2021-04-21 2022-07-08 武汉纺织大学 一种具有三维阵列微凸结构的熔喷布制备方法及制备设备
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CA3191713A1 (en) 2022-03-04 2023-09-04 3M Innovative Properties Company Collapsible air filter and associated packaging
US12582929B2 (en) 2022-11-07 2026-03-24 3M Innovative Properties Company Kit for air-filtration assembly
CN120936426A (zh) 2023-04-13 2025-11-11 3M创新有限公司 用于过滤装置的过滤介质及其制备和使用方法

Family Cites Families (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100324A (en) 1974-03-26 1978-07-11 Kimberly-Clark Corporation Nonwoven fabric and method of producing same
US3981650A (en) 1975-01-16 1976-09-21 Beloit Corporation Melt blowing intermixed filaments of two different polymers
DE2530499C3 (de) * 1975-07-09 1978-05-24 Akzo Gmbh, 5600 Wuppertal Mattenbahn und Verfahren zu ihrer Herstellung
CA1073648A (en) 1976-08-02 1980-03-18 Edward R. Hauser Web of blended microfibers and crimped bulking fibers
AU565762B2 (en) 1983-02-04 1987-09-24 Minnesota Mining And Manufacturing Company Method and apparatus for manufacturing an electret filter medium
US4547950A (en) 1984-05-29 1985-10-22 Honeywell Inc. Method of spacing the folds of a folded filter media
US4818464A (en) 1984-08-30 1989-04-04 Kimberly-Clark Corporation Extrusion process using a central air jet
US4988560A (en) 1987-12-21 1991-01-29 Minnesota Mining And Manufacturing Company Oriented melt-blown fibers, processes for making such fibers, and webs made from such fibers
US5993943A (en) 1987-12-21 1999-11-30 3M Innovative Properties Company Oriented melt-blown fibers, processes for making such fibers and webs made from such fibers
US4931355A (en) 1988-03-18 1990-06-05 Radwanski Fred R Nonwoven fibrous hydraulically entangled non-elastic coform material and method of formation thereof
US5227107A (en) 1990-08-07 1993-07-13 Kimberly-Clark Corporation Process and apparatus for forming nonwovens within a forming chamber
US5240479A (en) 1991-05-17 1993-08-31 Donaldson Company, Inc. Pleated filter media having a continuous bead of adhesive between layers of filtering material
US5382400A (en) 1992-08-21 1995-01-17 Kimberly-Clark Corporation Nonwoven multicomponent polymeric fabric and method for making same
US5273565A (en) 1992-10-14 1993-12-28 Exxon Chemical Patents Inc. Meltblown fabric
EP0634511B1 (en) 1993-07-16 1997-12-10 Chisso Corporation Microfine fiber product and process for producing the same
WO1995005501A2 (en) 1993-08-17 1995-02-23 Minnesota Mining And Manufacturing Company Method of charging electret filter media
CA2124389C (en) 1993-11-16 2005-08-23 Richard D. Pike Nonwoven filter media
US5695376A (en) 1994-09-09 1997-12-09 Kimberly-Clark Worldwide, Inc. Thermoformable barrier nonwoven laminate
US5707468A (en) 1994-12-22 1998-01-13 Kimberly-Clark Worldwide, Inc. Compaction-free method of increasing the integrity of a nonwoven web
US5679379A (en) 1995-01-09 1997-10-21 Fabbricante; Anthony S. Disposable extrusion apparatus with pressure balancing modular die units for the production of nonwoven webs
US5908598A (en) 1995-08-14 1999-06-01 Minnesota Mining And Manufacturing Company Fibrous webs having enhanced electret properties
JP3432340B2 (ja) * 1995-10-03 2003-08-04 ユニチカ株式会社 生分解性成形用長繊維不織布およびその製造方法
US5709735A (en) 1995-10-20 1998-01-20 Kimberly-Clark Worldwide, Inc. High stiffness nonwoven filter medium
JP3339554B2 (ja) * 1995-12-15 2002-10-28 松下電器産業株式会社 プラズマディスプレイパネル及びその製造方法
US5721180A (en) 1995-12-22 1998-02-24 Pike; Richard Daniel Laminate filter media
TW334380B (en) 1996-01-24 1998-06-21 Nippon Walin Kk Burnishing cloth
JPH09273063A (ja) * 1996-04-05 1997-10-21 Toray Ind Inc 不織布およびタフテッドカーペット用一次基布およびタフテッドカーペットおよびフィルター基材およびフィルター
US5679042A (en) 1996-04-25 1997-10-21 Kimberly-Clark Worldwide, Inc. Nonwoven fabric having a pore size gradient and method of making same
US5904298A (en) 1996-10-08 1999-05-18 Illinois Tool Works Inc. Meltblowing method and system
US5902540A (en) 1996-10-08 1999-05-11 Illinois Tool Works Inc. Meltblowing method and apparatus
BE1010654A3 (fr) 1996-09-30 1998-11-03 Solvay Procede de mise en oeuvre d'une matiere thermoplastique semi-cristalline.
US5820645A (en) 1997-05-23 1998-10-13 Reemay, Inc. Pleatable nonwoven composite article for gas filter media
US6315806B1 (en) * 1997-09-23 2001-11-13 Leonard Torobin Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby
US6183670B1 (en) 1997-09-23 2001-02-06 Leonard Torobin Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby
US6238466B1 (en) 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
US6432175B1 (en) 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6019152A (en) 1998-07-29 2000-02-01 Kimberly-Clark Worldwide, Inc. Apparatus for heating nonwoven webs
US6165244A (en) 1999-03-13 2000-12-26 Aaf International, Inc. Filter media with fluid stream positioned fibers
US6521011B1 (en) 1999-07-15 2003-02-18 3M Innovative Properties Company Self-supporting pleated filter and method of making same
JP3521810B2 (ja) 1999-08-03 2004-04-26 日産自動車株式会社 繊維クッション体の成形方法、並びに繊維クッション体および繊維クッション体を用いた車両用シート
US6319865B1 (en) 1999-09-02 2001-11-20 Tonen Tapyrus Co., Ltd. Melt-blown non-woven fabric, and nozzle piece for producing the same
USD449100S1 (en) 2000-08-25 2001-10-09 3M Innovative Properties Company HVAC filter
US6667254B1 (en) * 2000-11-20 2003-12-23 3M Innovative Properties Company Fibrous nonwoven webs
IL155787A0 (en) * 2000-11-20 2003-12-23 3M Innovative Properties Co Fiber-forming process
US6607624B2 (en) 2000-11-20 2003-08-19 3M Innovative Properties Company Fiber-forming process
JP4505987B2 (ja) 2000-12-14 2010-07-21 チッソ株式会社 熱接着性複合繊維、その製造方法およびそれを用いた繊維成形体
US6709623B2 (en) 2000-12-22 2004-03-23 Kimberly-Clark Worldwide, Inc. Process of and apparatus for making a nonwoven web
JP4599760B2 (ja) 2001-05-25 2010-12-15 チッソ株式会社 熱融着性複合繊維及びこれを用いた繊維成形体
US6770356B2 (en) 2001-08-07 2004-08-03 The Procter & Gamble Company Fibers and webs capable of high speed solid state deformation
US20030114066A1 (en) 2001-12-13 2003-06-19 Clark Darryl Franklin Uniform distribution of absorbents in a thermoplastic web
US7887889B2 (en) 2001-12-14 2011-02-15 3M Innovative Properties Company Plasma fluorination treatment of porous materials
US6916752B2 (en) * 2002-05-20 2005-07-12 3M Innovative Properties Company Bondable, oriented, nonwoven fibrous webs and methods for making them
US6740137B2 (en) 2002-06-14 2004-05-25 3M Innovative Properties Company Collapsible pleated filter element
US8129297B2 (en) * 2002-07-29 2012-03-06 E. I. Du Pont De Nemours And Company Method and apparatus for heating nonwoven webs
DE60329922D1 (de) * 2002-09-17 2009-12-17 Du Pont Extrem flüssigkeitsundurchlässiges gewebe
US20040077247A1 (en) 2002-10-22 2004-04-22 Schmidt Richard J. Lofty spunbond nonwoven laminate
US7476632B2 (en) 2002-11-15 2009-01-13 3M Innovative Properties Company Fibrous nonwoven web
JP2005113278A (ja) * 2003-10-03 2005-04-28 Toray Ind Inc 生分解性不織布およびそれを用いてなるフィルター
US20050148266A1 (en) * 2003-12-30 2005-07-07 Myers David L. Self-supporting pleated electret filter media
US20050217226A1 (en) * 2004-04-05 2005-10-06 3M Innovative Properties Company Pleated aligned web filter
US6858297B1 (en) 2004-04-05 2005-02-22 3M Innovative Properties Company Aligned fiber web
US7235115B2 (en) * 2004-07-09 2007-06-26 3M Innovative Properties Company Method of forming self-supporting pleated filter media
JP4800598B2 (ja) * 2004-07-30 2011-10-26 ダイワボウホールディングス株式会社 プリーツ折り不織布からなるエレクトレットフィルター材の製造方法及びこれを用いたフィルター材
US7438777B2 (en) * 2005-04-01 2008-10-21 North Carolina State University Lightweight high-tensile, high-tear strength bicomponent nonwoven fabrics
US9139940B2 (en) 2006-07-31 2015-09-22 3M Innovative Properties Company Bonded nonwoven fibrous webs comprising softenable oriented semicrystalline polymeric fibers and apparatus and methods for preparing such webs

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