BE827077A - Werkwijze voor het vervaardigen van een elektreetvez elfilter - Google Patents

Werkwijze voor het vervaardigen van een elektreetvez elfilter

Info

Publication number
BE827077A
BE827077A BE154665A BE154665A BE827077A BE 827077 A BE827077 A BE 827077A BE 154665 A BE154665 A BE 154665A BE 154665 A BE154665 A BE 154665A BE 827077 A BE827077 A BE 827077A
Authority
BE
Belgium
Prior art keywords
elfilter
manufacturing
electrical fiber
fiber
electrical
Prior art date
Application number
BE154665A
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE827077A publication Critical patent/BE827077A/nl

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/08Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/10Filter screens essentially made of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0081After-treatment of articles without altering their shape; Apparatus therefor using an electric field, e.g. for electrostatic charging
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/42Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D01D5/423Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by fibrillation of films or filaments
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/021Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
    • H01G7/023Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material
    • B01D2239/0654Support layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/069Special geometry of layers
    • B01D2239/0695Wound layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/47Processes of splitting film, webs or sheets
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48Processes of making filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Textile Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filtering Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Electrostatic Separation (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
BE154665A 1974-03-25 1975-03-24 Werkwijze voor het vervaardigen van een elektreetvez elfilter BE827077A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7403975.A NL160303C (nl) 1974-03-25 1974-03-25 Werkwijze voor het vervaardigen van een vezelfilter.

Publications (1)

Publication Number Publication Date
BE827077A true BE827077A (nl) 1975-07-16

Family

ID=19821033

Family Applications (1)

Application Number Title Priority Date Filing Date
BE154665A BE827077A (nl) 1974-03-25 1975-03-24 Werkwijze voor het vervaardigen van een elektreetvez elfilter

Country Status (16)

Country Link
US (3) US3998916A (nl)
JP (1) JPS5647299B2 (nl)
BE (1) BE827077A (nl)
CA (1) CA1050481A (nl)
DD (1) DD117038A5 (nl)
DE (1) DE2512885C2 (nl)
EG (1) EG11559A (nl)
ES (1) ES435841A1 (nl)
FR (1) FR2265805B1 (nl)
GB (1) GB1469740A (nl)
IL (1) IL46879A (nl)
IT (1) IT1030422B (nl)
NL (1) NL160303C (nl)
PL (1) PL95618B1 (nl)
SE (1) SE415959B (nl)
ZA (1) ZA751832B (nl)

Families Citing this family (200)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
US4142521A (en) * 1976-12-23 1979-03-06 Hoffmann-La Roche Inc. Electrostatic soft tissue wound repair enhancement
NL181632C (nl) * 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
US4215682A (en) * 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
DK155801C (da) * 1978-07-07 1989-10-30 Danaklon As Overhakkede armeringsfibre samt fremgangsmaade til fremstilling deraf
DE2927238A1 (de) * 1978-07-07 1980-01-17 Holm Varde As Kunststoff-verstaerkungsfasern und verfahren zu ihrer herstellung
JPS55157801A (en) * 1979-04-26 1980-12-08 Rikagaku Kenkyusho Process for producing piezooelectric current collecting high molecular film
CA1150816A (en) * 1979-07-06 1983-07-26 Ronald Else Method and apparatus for implanting a charge in an electret foil
US4308223A (en) * 1980-03-24 1981-12-29 Albany International Corp. Method for producing electret fibers for enhancement of submicron aerosol filtration
JPS5793028A (en) * 1980-11-29 1982-06-09 Duskin Franchise Co Dry dust control product
US4375718A (en) * 1981-03-12 1983-03-08 Surgikos, Inc. Method of making fibrous electrets
US4527218A (en) * 1981-06-08 1985-07-02 At&T Bell Laboratories Stable positively charged Teflon electrets
DE3275421D1 (en) * 1982-03-29 1987-03-12 Rhodia Ag Process and apparatus for the manufacture of electret filaments, fibres or the like
AU565762B2 (en) * 1983-02-04 1987-09-24 Minnesota Mining And Manufacturing Company Method and apparatus for manufacturing an electret filter medium
GB2144325A (en) * 1983-08-03 1985-03-06 Anda Limited Warm air driers/air purifiers
US4456648A (en) * 1983-09-09 1984-06-26 Minnesota Mining And Manufacturing Company Particulate-modified electret fibers
US4623438A (en) * 1983-11-08 1986-11-18 Celanese Corporation Electret making process using corona discharge
JPS60168511A (ja) * 1984-02-10 1985-09-02 Japan Vilene Co Ltd エレクトレツトフイルタの製造方法
DE3509857C2 (de) * 1984-03-19 1994-04-28 Toyo Boseki Elektretisiertes Staubfilter und dessen Herstellung
DE3578820D1 (de) * 1984-05-07 1990-08-30 Kureha Chemical Ind Co Ltd Spaltgarn aus vinylidenfluorid, verfahren zur herstellung desselben und damit hergestellte filter.
US4874659A (en) * 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
US4854999A (en) 1985-10-11 1989-08-08 W. R. Grace & Co. Method of making a laminate via corona discharge treatment
US4778557A (en) 1985-10-11 1988-10-18 W. R. Grace & Co., Cryovac Div. Multi-stage corona laminator
JPH0714446B2 (ja) * 1985-10-28 1995-02-22 三井石油化学工業株式会社 エレクトレツト化不織布フイルタ−
DE3607472A1 (de) * 1986-03-07 1987-09-10 Hoechst Ag Verfahren zum elektrostatischen aufladen von aufzeichnungsmaterialien sowie vorrichtung zur durchfuehrung des verfahrens
JPH0689505B2 (ja) * 1986-05-29 1994-11-09 東レ株式会社 抗菌性エレクトレツト繊維シ−ト
US4883547A (en) 1987-03-02 1989-11-28 Minnesota Mining And Manufacturing Company Method of forming a high efficiency respirator
US4827924A (en) * 1987-03-02 1989-05-09 Minnesota Mining And Manufacturing Company High efficiency respirator
DE3839956C2 (de) * 1987-11-28 1998-07-02 Toyo Boseki Elektret-Folie und Verfahren zu ihrer Herstellung
US4874399A (en) 1988-01-25 1989-10-17 Minnesota Mining And Manufacturing Company Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
US5035240A (en) * 1988-05-13 1991-07-30 Minnesota Mining And Manufacturing Company Elastomeric filtration materials
US4886058A (en) * 1988-05-17 1989-12-12 Minnesota Mining And Manufacturing Company Filter element
US4973517A (en) * 1988-08-04 1990-11-27 Minnesota Mining And Manufacturing Company Fibrillated tape
US5084121A (en) * 1988-08-04 1992-01-28 Minnesota Mining And Manufacturing Company Method of making fibrillated tape
AU621568B2 (en) * 1988-09-21 1992-03-19 Toray Industries, Inc. Packaging method
US5266369A (en) * 1988-09-21 1993-11-30 Toray Industries, Inc. Packaging material made of electret material and packaging method
JPH0742643B2 (ja) * 1989-05-26 1995-05-10 東レ株式会社 エレクトレットメルトブロー不織布の製造法
JPH04330907A (ja) * 1991-05-02 1992-11-18 Mitsui Petrochem Ind Ltd エレクトレットフィルターの製造方法
US5443886A (en) * 1991-09-30 1995-08-22 Kimberly-Clark Corporation Hydrosonically embedded soft thin film materials
US5314737A (en) * 1991-09-30 1994-05-24 Kimberly-Clark Corporation Area thinned thin sheet materials
US5221573A (en) * 1991-12-30 1993-06-22 Kem-Wove, Inc. Adsorbent textile product
US5271780A (en) * 1991-12-30 1993-12-21 Kem-Wove, Incorporated Adsorbent textile product and process
US5230800A (en) * 1992-02-20 1993-07-27 Minnesota Mining And Manufacturing Company Scrim inserted electrostatic fibrous filter web
US5271997A (en) * 1992-02-27 1993-12-21 Kem-Wove, Incorporated Laminated fabric material, nonwoven textile product
US5614303A (en) * 1992-02-27 1997-03-25 Kem-Wove, Incorporated Laminated fabric product, brassiere shoulder pad and shoe insole pad
US5359475A (en) * 1992-03-23 1994-10-25 Minnesota Mining And Manufacturing Company Air filter system for helical scanner drum with vented drum cover
US5336452A (en) * 1992-09-23 1994-08-09 Kimberly-Clark Corporation Process for hydrosonically area embossing thin thermoplastic film materials
US5370830A (en) * 1992-09-23 1994-12-06 Kimberly-Clark Corporation Hydrosonic process for forming electret filter media
US5401446A (en) * 1992-10-09 1995-03-28 The University Of Tennessee Research Corporation Method and apparatus for the electrostatic charging of a web or film
AU669420B2 (en) * 1993-03-26 1996-06-06 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
US5643507A (en) * 1993-08-17 1997-07-01 Minnesota Mining And Manufacturing Company Filter media having an undulated surface
PL173854B1 (pl) 1993-08-17 1998-05-29 Minnesota Mining & Mfg Sposób wytwarzania elektretowego środka filtracyjnego
CA2124237C (en) * 1994-02-18 2004-11-02 Bernard Cohen Improved nonwoven barrier and method of making the same
CA2136576C (en) * 1994-06-27 2005-03-08 Bernard Cohen Improved nonwoven barrier and method of making the same
AU4961696A (en) * 1994-12-08 1996-06-26 Kimberly-Clark Worldwide, Inc. Method of forming a particle size gradient in an absorbent article
CA2153278A1 (en) * 1994-12-30 1996-07-01 Bernard Cohen Nonwoven laminate barrier material
US5593479A (en) * 1995-02-02 1997-01-14 Hmi Industries, Inc. Filter system
US6001299A (en) * 1995-02-21 1999-12-14 Japan Vilene Company, Ltd. Process and apparatus for manufacturing an electret article
US5647881A (en) * 1995-04-20 1997-07-15 Minnesota Mining And Manufacturing Company Shock resistant high efficiency vacuum cleaner filter bag
US6090469A (en) 1995-04-21 2000-07-18 The University Of Tennessee Research Corporation Mechanically interlocked and thermally fused staple fiber pleated and non-pleated webs
MX9709101A (es) * 1995-05-25 1998-02-28 Kimberly Clark Co Matriz de filtro.
ZA965786B (en) * 1995-07-19 1997-01-27 Kimberly Clark Co Nonwoven barrier and method of making the same
US5908598A (en) * 1995-08-14 1999-06-01 Minnesota Mining And Manufacturing Company Fibrous webs having enhanced electret properties
US5834384A (en) * 1995-11-28 1998-11-10 Kimberly-Clark Worldwide, Inc. Nonwoven webs with one or more surface treatments
US5792242A (en) * 1996-02-26 1998-08-11 Minnesota Mining And Manufacturing Co. Electrostatic fibrous filter web
US6211100B1 (en) 1996-04-30 2001-04-03 Minnesota Mining And Manufacturing Company Synthetic filter media
US5898981A (en) * 1996-04-30 1999-05-04 Minnesota Mining & Manufacturing Company Synthetic filter media and method for manufacturing same
US6162535A (en) 1996-05-24 2000-12-19 Kimberly-Clark Worldwide, Inc. Ferroelectric fibers and applications therefor
US5706804A (en) * 1996-10-01 1998-01-13 Minnesota Mining And Manufacturing Company Liquid resistant face mask having surface energy reducing agent on an intermediate layer therein
US5871567A (en) * 1996-12-12 1999-02-16 Dana Corporation Dual Media air filter with electrostatic charge
US6524488B1 (en) 1998-06-18 2003-02-25 3M Innovative Properties Company Method of filtering certain particles from a fluid using a depth loading filtration media
US6213122B1 (en) 1997-10-01 2001-04-10 3M Innovative Properties Company Electret fibers and filter webs having a low level of extractable hydrocarbons
US6537932B1 (en) 1997-10-31 2003-03-25 Kimberly-Clark Worldwide, Inc. Sterilization wrap, applications therefor, and method of sterilizing
US6090184A (en) * 1998-02-27 2000-07-18 Hmi Industries, Inc. Filter system
US6365088B1 (en) 1998-06-26 2002-04-02 Kimberly-Clark Worldwide, Inc. Electret treatment of high loft and low density nonwoven webs
US6759356B1 (en) 1998-06-30 2004-07-06 Kimberly-Clark Worldwide, Inc. Fibrous electret polymeric articles
CA2336213C (en) 1998-06-30 2007-08-07 Kimberly-Clark Worldwide, Inc. Stable polymeric electret materials
US6432175B1 (en) 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6110260A (en) 1998-07-14 2000-08-29 3M Innovative Properties Company Filter having a change indicator
US6099608A (en) 1998-07-30 2000-08-08 3M Innovative Properties Company Rotating filtration cartridge and blower for HVAC applications
US6277176B1 (en) 1998-07-30 2001-08-21 3M Innovative Properties Company Moving filter device having filter elements with flow passages and method of filtering air
US6099609A (en) 1998-07-30 2000-08-08 3M Innovative Properties Company Moving sorbent filter device
US6280824B1 (en) 1999-01-29 2001-08-28 3M Innovative Properties Company Contoured layer channel flow filtration media
US6573205B1 (en) 1999-01-30 2003-06-03 Kimberly-Clark Worldwide, Inc. Stable electret polymeric articles
US6110588A (en) 1999-02-05 2000-08-29 3M Innovative Properties Company Microfibers and method of making
US6630231B2 (en) 1999-02-05 2003-10-07 3M Innovative Properties Company Composite articles reinforced with highly oriented microfibers
US6279570B1 (en) 1999-03-02 2001-08-28 3M Innovative Properties Company Filter support, assembly and system
US6156086A (en) 1999-03-22 2000-12-05 3M Innovative Properties Company Dual media vacuum filter bag
US6391807B1 (en) 1999-09-24 2002-05-21 3M Innovative Properties Company Polymer composition containing a fluorochemical oligomer
US7049379B2 (en) * 1999-05-11 2006-05-23 3M Innovative Properties Company Alkylated fluorochemical oligomers and use thereof in the treatment of fibrous substrates
US6525127B1 (en) 1999-05-11 2003-02-25 3M Innovative Properties Company Alkylated fluorochemical oligomers and use thereof in the treatment of fibrous substrates
US6288157B1 (en) 1999-05-11 2001-09-11 3M Innovative Properties Company Alkylated fluorochemical oligomers and use thereof
US6521011B1 (en) 1999-07-15 2003-02-18 3M Innovative Properties Company Self-supporting pleated filter and method of making same
US6273938B1 (en) 1999-08-13 2001-08-14 3M Innovative Properties Company Channel flow filter
US6627563B1 (en) 1999-08-19 2003-09-30 3M Innovative Properties Company Oily-mist resistant filter that has nondecreasing efficiency
US6174964B1 (en) 1999-09-24 2001-01-16 3M Innovative Properties Company Fluorochemical oligomer and use thereof
US6375886B1 (en) 1999-10-08 2002-04-23 3M Innovative Properties Company Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
US6454986B1 (en) 1999-10-08 2002-09-24 3M Innovative Properties Company Method of making a fibrous electret web using a nonaqueous polar liquid
US6406657B1 (en) 1999-10-08 2002-06-18 3M Innovative Properties Company Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
US6454839B1 (en) 1999-10-19 2002-09-24 3M Innovative Properties Company Electrofiltration apparatus
US6391948B1 (en) 1999-12-14 2002-05-21 3M Innovative Properties Company Triazine compounds and use thereof
DE10000132A1 (de) * 2000-01-04 2001-07-12 Fraunhofer Ges Forschung Verfahren zur Oberflächenbehandlung von Elastomeren
US6437372B1 (en) 2000-01-07 2002-08-20 Agere Systems Guardian Corp. Diffusion barrier spikes for III-V structures
US6348086B1 (en) * 2000-02-16 2002-02-19 3M Innovative Properties Company Combination blower wheel and filter cartridge system for HVAC applications
US6743464B1 (en) 2000-04-13 2004-06-01 3M Innovative Properties Company Method of making electrets through vapor condensation
US6419729B1 (en) 2000-04-17 2002-07-16 3M Innovative Properties Company Filter assemblies with adhesive attachment systems
US6616722B1 (en) 2000-05-09 2003-09-09 Hmi Industries, Inc. Room air cleaner
US6420024B1 (en) * 2000-12-21 2002-07-16 3M Innovative Properties Company Charged microfibers, microfibrillated articles and use thereof
US6511531B1 (en) 2001-01-26 2003-01-28 Hmi Industries, Inc. Room air filtering and freshening device
US6488744B2 (en) 2001-03-19 2002-12-03 Hmi Industries, Inc. Filter system
EP1247558A1 (en) * 2001-04-07 2002-10-09 3M Innovative Properties Company A combination filter for filtering fluids
DE10120223B4 (de) 2001-04-24 2005-08-25 Carl Freudenberg Kg Mehrlagiger Luftfilter und dessen Verwendung
US6680114B2 (en) 2001-05-15 2004-01-20 3M Innovative Properties Company Fibrous films and articles from microlayer substrates
US6589317B2 (en) 2001-08-10 2003-07-08 3M Innovative Properties Company Structured surface filtration media array
US6846449B2 (en) * 2001-09-07 2005-01-25 S. C. Johnson Home Storage, Inc. Method of producing an electrically charged film
US20030049294A1 (en) * 2001-09-07 2003-03-13 Jose Porchia Film material
US20030047844A1 (en) * 2001-09-07 2003-03-13 Jose Porchia Method of producing an electrically charged film
US20030060350A1 (en) * 2001-09-07 2003-03-27 Taylor Pamela J. Method of protecting a surface
US7018438B2 (en) * 2002-03-29 2006-03-28 Hmi Industries, Inc. Filtering system
US6827764B2 (en) * 2002-07-25 2004-12-07 3M Innovative Properties Company Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers
US6758884B2 (en) 2002-08-07 2004-07-06 3M Innovative Properties Company Air filtration system using point ionization sources
US6874499B2 (en) 2002-09-23 2005-04-05 3M Innovative Properties Company Filter element that has a thermo-formed housing around filter material
US20050006303A1 (en) 2003-07-11 2005-01-13 Sanders Robert G. Atmospheric plasma treatment of meltblown fibers used in filtration
US7141098B2 (en) * 2004-01-22 2006-11-28 3M Innovative Properties Company Air filtration system using point ionization sources
US20050204714A1 (en) * 2004-03-22 2005-09-22 3M Innovative Properties Company Self-supporting pleated filter and method of making same
US7896940B2 (en) * 2004-07-09 2011-03-01 3M Innovative Properties Company Self-supporting pleated filter media
US20060204720A1 (en) * 2004-12-23 2006-09-14 Biernath Rolf W Uniaxially oriented birefringent article having a structured surface
US20060141220A1 (en) * 2004-12-23 2006-06-29 Merrill William W Uniaxially oriented article having a structured surface
US20060138705A1 (en) * 2004-12-23 2006-06-29 Korba Gary A Method of making a structured surface article
US20060138702A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making uniaxially oriented articles having structured surfaces
US20060138686A1 (en) * 2004-12-23 2006-06-29 Ouderkirk Andrew J Method of making a uniaxially stretched polymeric film having structured surface
US20060141219A1 (en) * 2004-12-23 2006-06-29 Benson Olester Jr Roll of a uniaxially oriented article having a structured surface
US20060141218A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Uniaxially oriented articles having structured surface
US20060138694A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making a polymeric film having structured surfaces via replication
US7419526B2 (en) * 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
US20080276805A1 (en) * 2005-04-22 2008-11-13 Marcus Lotgerink-Bruinenberg Vehicle Passenger Compartment Air Filter Devices
US7244291B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having high fluorosaturation ratio
US7244292B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having heteroatoms and low fluorosaturation ratio
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
US7418202B2 (en) * 2005-08-04 2008-08-26 3M Innovative Properties Company Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
US7393269B2 (en) 2005-09-16 2008-07-01 3M Innovative Properties Company Abrasive filter assembly and methods of making same
US7390351B2 (en) 2006-02-09 2008-06-24 3M Innovative Properties Company Electrets and compounds useful in electrets
US9120043B2 (en) * 2006-05-30 2015-09-01 3M Innovative Properties Company Filter sensor
US7338355B2 (en) * 2006-06-13 2008-03-04 3M Innovative Properties Company Abrasive article and methods of making and using the same
US9134471B2 (en) 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method
US7642208B2 (en) * 2006-12-14 2010-01-05 Kimberly-Clark Worldwide, Inc. Abrasion resistant material for use in various media
EP2125158B1 (en) * 2007-02-28 2014-01-15 Hollingsworth & Vose Company Waved filter media and elements
US8202340B2 (en) * 2007-02-28 2012-06-19 Hollingsworth & Vose Company Waved filter media and elements
US8257459B2 (en) * 2007-02-28 2012-09-04 Hollingsworth & Vose Company Waved filter media and elements
US20080233850A1 (en) * 2007-03-20 2008-09-25 3M Innovative Properties Company Abrasive article and method of making and using the same
US7628829B2 (en) * 2007-03-20 2009-12-08 3M Innovative Properties Company Abrasive article and method of making and using the same
US7981177B2 (en) * 2007-04-18 2011-07-19 Transweb, Llc Filtration media having a slit-film layer
US8070862B2 (en) * 2007-09-04 2011-12-06 3M Innovative Properties Company Dust collection device for sanding tool
CN101896657B (zh) 2007-12-06 2012-11-28 3M创新有限公司 驻极体过滤器介质以及制备驻极体织物的方法
CN101939074B (zh) * 2007-12-21 2013-04-10 3M创新有限公司 接合的过滤器介质褶皱组
CN101945692B (zh) * 2007-12-27 2013-07-10 3M创新有限公司 用于砂光工具的粉尘收集装置
BRPI0909959B1 (pt) 2008-06-02 2018-11-13 3M Innovative Properties Co manta de eletreto e meio de filtro à base de eletreto
US20110137082A1 (en) * 2008-06-02 2011-06-09 Li Fuming B Charge-enhancing additives for electrets
US7765698B2 (en) 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
JP2011528610A (ja) * 2008-06-30 2011-11-24 スリーエム イノベイティブ プロパティズ カンパニー 多孔性基材フィールド内の金属ナノクラスターのその場での形成方法
US8382872B2 (en) 2008-12-23 2013-02-26 3M Innovative Properties Company Dust collection device for sanding tool
CN102348845A (zh) 2009-02-20 2012-02-08 3M创新有限公司 抗微生物驻极体网
MX2011010443A (es) 2009-04-03 2011-10-24 3M Innovative Properties Co Auxiliares de procesamiento para redes olefinicas, incluyendo redes de electreto.
US20100252047A1 (en) 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
MX2011010271A (es) 2009-04-03 2011-10-17 3M Innovative Prosperties Company Redes de electreto con aditivos aumentadores de carga.
US8534294B2 (en) 2009-10-09 2013-09-17 Philip Morris Usa Inc. Method for manufacture of smoking article filter assembly including electrostatically charged fiber
WO2011088185A2 (en) 2010-01-18 2011-07-21 3M Innovative Properties Company Air filter with sorbent particles
ITBO20120612A1 (it) * 2012-11-07 2014-05-08 Veneto Nanotech S C P A Procedimento per il trattamento di un substrato in fibre e macchina per attuare tale procedimento.
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
KR20150144333A (ko) 2013-04-19 2015-12-24 쓰리엠 이노베이티브 프로퍼티즈 캄파니 전하 증대 첨가제를 갖는 일렉트릿 웨브
US9174159B2 (en) 2013-08-16 2015-11-03 3M Innovative Properties Company Framed pleated air filter with upstream bridging filaments
US9278301B2 (en) 2013-08-16 2016-03-08 3M Innovative Properties Company Nestable framed pleated air filter and method of making
US9833734B2 (en) 2013-12-17 2017-12-05 3M Innovative Properties Company Air quality indicator
WO2015157810A1 (en) * 2014-04-17 2015-10-22 Real Australia Company Pty Ltd Improvements in method and apparatus for separating ions and solids from a fluid
CN106661786B (zh) 2014-06-23 2019-05-21 3M创新有限公司 包含电荷加强添加剂的驻极体料片
US10441909B2 (en) 2014-06-25 2019-10-15 Hollingsworth & Vose Company Filter media including oriented fibers
WO2016033097A1 (en) 2014-08-26 2016-03-03 3M Innovative Properties Company Spunbonded web comprising polylactic acid fibers
GB2553949B (en) 2015-05-14 2021-10-20 Halliburton Energy Services Inc Downhole fluids with high dielectric constant and high dielectric strength
WO2017004313A1 (en) 2015-06-30 2017-01-05 3M Innovative Properties Company Filter cartridge comprising filter media with adhesively edge-sealed ends, and method of making and using
US10561972B2 (en) 2015-09-18 2020-02-18 Hollingsworth & Vose Company Filter media including a waved filtration layer
US10449474B2 (en) 2015-09-18 2019-10-22 Hollingsworth & Vose Company Filter media including a waved filtration layer
US10286349B2 (en) 2015-11-10 2019-05-14 3M Innovative Properties Company Air filter use indicators
US11219788B2 (en) 2015-11-19 2022-01-11 3M Innovative Properties Company Filter cartridge holder with fit-check device
CN106848054A (zh) * 2015-12-07 2017-06-13 感至源电子科技(上海)有限公司 预应力式电极化方法及装置
WO2017100045A1 (en) 2015-12-11 2017-06-15 3M Innovative Properties Company Fluorinated piperazine sulfonamides
WO2017143592A1 (en) 2016-02-26 2017-08-31 3M Innovative Properties Company Air conditioner filter and method of manufacture
CN109311834A (zh) 2016-05-31 2019-02-05 3M创新有限公司 含氟哌嗪酰胺
WO2017213926A1 (en) 2016-06-06 2017-12-14 3M Innovative Properties Company Channel-framed, pleated air filter with bridging filaments
WO2018005040A1 (en) 2016-06-27 2018-01-04 3M Innovative Properties Company Fluorochemical piperazine carboxamides
CN109641166B (zh) 2016-08-05 2021-04-30 3M创新有限公司 具有钝化过滤器寿命指示器的空气过滤器
US11452891B2 (en) 2016-08-26 2022-09-27 3M Innovative Properties Company Pleated filter element comprising pleated filter media with edge dams, and method of making and using
EP3510017B1 (en) 2016-09-09 2021-05-05 3M Innovative Properties Company Partially fluorinated aromatic esters
US11027231B2 (en) 2016-11-17 2021-06-08 3M Innovative Properties Company Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone
JP7076718B2 (ja) 2017-01-05 2022-05-30 スリーエム イノベイティブ プロパティズ カンパニー 帯電強化添加剤を含むエレクトレットウェブ
WO2018191865A1 (en) 2017-04-18 2018-10-25 3M Innovative Properties Company Air filter media with post-pleat-deposited sorbent particles
US11549746B2 (en) 2018-03-27 2023-01-10 Taiyo Nippon Sanso Corporation Natural gas liquefaction device and natural gas liquefaction method
CN108744713B (zh) * 2018-05-21 2021-05-14 亿茂环境科技股份有限公司 一种驻极体的超声波溅射液体充电装置及充电方法
US12017175B2 (en) 2018-08-03 2024-06-25 3M Innovative Properties Company Pleated air filter with bridging filaments and continuous-contact filaments
US11452954B2 (en) 2018-11-29 2022-09-27 Kent Lyon Filter status sensor device, method of use, and automatic replenishment system
WO2021152426A1 (en) * 2020-01-27 2021-08-05 3M Innovative Properties Company Substituted thiol melt additives

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31285A (en) * 1861-01-29 Making- finger-guards for harvesters
US30782A (en) * 1860-11-27 John wright
GB292479A (en) * 1927-06-18 1929-06-13 Platen Munters Refrig Syst Ab Improvements in or relating to the separation of impurities from circulating air, gas, or vapour
NL75856C (nl) * 1950-03-29
US3003304A (en) * 1955-10-31 1961-10-10 Rasmussen Ole-Bendt Method of manufacturing non-woven fabrics and yarns
US3333032A (en) * 1963-11-12 1967-07-25 Union Carbide Corp Treated polymer surfaces of shaped articles
US3354373A (en) * 1964-05-14 1967-11-21 Northern Electric Co Fixture for use during the polarization of an electret
US3487610A (en) * 1965-03-26 1970-01-06 Du Pont Electrostatic filter unit with high stable charge and its manufacture
US3336174A (en) * 1965-04-06 1967-08-15 Eastman Kodak Co Method of making a fibrous filter product
US3438504A (en) * 1966-08-11 1969-04-15 Gen Electric Filter element and method of production
US3474611A (en) * 1966-09-05 1969-10-28 Mitsubishi Heavy Ind Ltd Method of making fibrous yarns and apparatus therefor
NL6814644A (nl) * 1968-10-14 1970-04-16
US3644605A (en) * 1969-02-11 1972-02-22 Bell Telephone Labor Inc Method for producing permanent electret charges in dielectric materials
JPS497959B1 (nl) * 1969-07-17 1974-02-23
US4069026A (en) * 1970-06-29 1978-01-17 Bayer Aktiengesellschaft Filter made of electrostatically spun fibres
GB1364237A (en) * 1970-07-21 1974-08-21 Beghin Say Sa Reticular structure
US3880966A (en) * 1971-09-23 1975-04-29 Celanese Corp Corona treated microporous film
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
NL181632C (nl) 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.

Also Published As

Publication number Publication date
NL160303C (nl) 1979-10-15
USRE32171E (en) 1986-06-03
PL95618B1 (pl) 1977-10-31
USRE30782E (en) 1981-10-27
IT1030422B (it) 1979-03-30
DE2512885C2 (de) 1982-12-09
JPS5647299B2 (nl) 1981-11-09
GB1469740A (en) 1977-04-06
CA1050481A (en) 1979-03-13
SE7503481L (nl) 1975-09-26
IL46879A0 (en) 1975-05-22
NL160303B (nl) 1979-05-15
IL46879A (en) 1977-07-31
FR2265805B1 (nl) 1982-02-19
ES435841A1 (es) 1977-02-16
DE2512885A1 (de) 1975-10-02
US3998916A (en) 1976-12-21
SE415959B (sv) 1980-11-17
EG11559A (en) 1977-08-15
FR2265805A1 (nl) 1975-10-24
DD117038A5 (nl) 1975-12-20
ZA751832B (en) 1976-02-25
JPS50132223A (nl) 1975-10-20
NL7403975A (nl) 1975-09-29

Similar Documents

Publication Publication Date Title
BE827077A (nl) Werkwijze voor het vervaardigen van een elektreetvez elfilter
NL7512917A (nl) Werkwijze voor het verbinden van foelies.
NL7605657A (nl) Helicopterrotor en werkwijze voor het ver- vaardigen van een constructiedeel hiervan.
NL185530C (nl) Werkwijze voor het electrostatisch vervaardigen van een vezelvlies.
AR205108A1 (es) Conectador electrico y metodo de fabricacion
NL7603487A (nl) Werkwijze voor het vervaardigen van een elemen- tairdraadje uit polyethyleentereftalaat.
NL7612458A (nl) Werkwijze voor het vervaardigen van een interconnector.
NL7500385A (nl) Werkwijze en inrichting voor de vervaardiging van glasvezels.
NL7506755A (nl) Werkwijze voor het vervaardigen van een omwikkeld garen.
NL7713724A (nl) Werkwijze voor het vervaardigen van een elektri- sche inrichting en elektrische inrichting ver- vaardigd volgens deze werkwijze.
NL7505886A (nl) Werkwijze voor het behandelen van een onder- materiaal.
NL7412383A (nl) Werkwijze voor het vervaardigen van een in- richting met een geleiderpatroon.
NL7512593A (nl) Werkwijze voor het vervaardigen van een elektrode.
IT1044647B (it) Metodo di formatura di cavi
NL7513617A (nl) Montage-eenheid voor elektrische ketens, alsmede werkwijze voor het vervaardigen daarvan.
NL161409B (nl) Werkwijze voor het vervaardigen van een houder.
NL7706972A (nl) Werkwijze voor het modificeren van organosilo- xanen.
NL7502412A (nl) Werkwijze voor het veresteren van trichloor- silaan.
NL7701519A (nl) Werkwijze voor het vervaardigen van een elek- trische verbindingsinrichting en elektrische verbindingsinrichting vervaardigd volgens deze werkwijze.
NL7500784A (nl) Werkwijze voor het verpakken van vezelstrengen.
NL7507395A (nl) Werkwijze voor het vervaardigen van geverfde meer- componentdraden.
NL7509504A (nl) Werkwijze en inrichting voor de vervaardiging van vezelvliezen.
NL7507416A (nl) Elektrische inrichting van het elektrolytische type en werkwijze voor het vervaardigen daarvan.
NL184850C (nl) Werkwijze voor de vervaardiging van elektroband respektievelijk dynamoband.
BE836238A (fr) Werkwijze en inrichting voor het afscheiden van kristalliseerbare stoffen uit een meercomponentensysteem

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: MINNESOTA MINING AND MFG CY

Effective date: 19950324