NL6814644A - - Google Patents

Info

Publication number
NL6814644A
NL6814644A NL6814644A NL6814644A NL6814644A NL 6814644 A NL6814644 A NL 6814644A NL 6814644 A NL6814644 A NL 6814644A NL 6814644 A NL6814644 A NL 6814644A NL 6814644 A NL6814644 A NL 6814644A
Authority
NL
Netherlands
Application number
NL6814644A
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
Priority to NL6814644A priority Critical patent/NL6814644A/xx
Priority to US864755A priority patent/US3571679A/en
Priority to GB1234547D priority patent/GB1234547A/en
Priority to DE1951749A priority patent/DE1951749C3/de
Priority to FR6935096A priority patent/FR2020657A1/fr
Publication of NL6814644A publication Critical patent/NL6814644A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filtering Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
NL6814644A 1968-10-14 1968-10-14 NL6814644A (pt)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL6814644A NL6814644A (pt) 1968-10-14 1968-10-14
US864755A US3571679A (en) 1968-10-14 1969-10-08 Device for forming electrets
GB1234547D GB1234547A (pt) 1968-10-14 1969-10-14
DE1951749A DE1951749C3 (de) 1968-10-14 1969-10-14 Vorrichtung zur Formierung von Elektreten aus Dielektrika mit offener oder poröser Struktur
FR6935096A FR2020657A1 (pt) 1968-10-14 1969-10-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6814644A NL6814644A (pt) 1968-10-14 1968-10-14

Publications (1)

Publication Number Publication Date
NL6814644A true NL6814644A (pt) 1970-04-16

Family

ID=19804917

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6814644A NL6814644A (pt) 1968-10-14 1968-10-14

Country Status (5)

Country Link
US (1) US3571679A (pt)
DE (1) DE1951749C3 (pt)
FR (1) FR2020657A1 (pt)
GB (1) GB1234547A (pt)
NL (1) NL6814644A (pt)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718641B2 (pt) * 1973-07-17 1982-04-17
NL160303C (nl) * 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
CA1043289A (en) * 1974-06-17 1978-11-28 Allen L. Taylor Poling machine
JPS5821413B2 (ja) * 1974-07-31 1983-04-30 松下電器産業株式会社 エレクトレツトフイルム
US4215682A (en) * 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
US4308223A (en) * 1980-03-24 1981-12-29 Albany International Corp. Method for producing electret fibers for enhancement of submicron aerosol filtration
US4434114A (en) 1982-02-04 1984-02-28 Pennwalt Corporation Production of wrinkle-free piezoelectric films by poling
EP0090062B1 (de) * 1982-03-29 1987-02-04 Rhodia Ag Verfahren und Vorrichtung zur Herstellung von Elektret-Filamenten, -Spinnfasern oder dergleichen
US4795668A (en) * 1983-10-11 1989-01-03 Minnesota Mining And Manufacturing Company Bicomponent fibers and webs made therefrom
US4729371A (en) * 1983-10-11 1988-03-08 Minnesota Mining And Manufacturing Company Respirator comprised of blown bicomponent fibers
US4547420A (en) * 1983-10-11 1985-10-15 Minnesota Mining And Manufacturing Company Bicomponent fibers and webs made therefrom
JPS61231270A (ja) * 1985-04-04 1986-10-15 東レ株式会社 エレクトレツト繊維シ−トの製造法
US4874659A (en) * 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
JPS61272063A (ja) * 1985-05-29 1986-12-02 東レ株式会社 マスク
US5141699A (en) * 1987-12-21 1992-08-25 Minnesota Mining And Manufacturing Company Process for making oriented melt-blown microfibers
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
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
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
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
DE69404736T2 (de) * 1993-03-09 1998-01-08 Hoechst Celanese Corp Polymer-Elektrete mit verbesserter Ladungsstabilität
US6537932B1 (en) 1997-10-31 2003-03-25 Kimberly-Clark Worldwide, Inc. Sterilization wrap, applications therefor, and method of sterilizing
US6365088B1 (en) 1998-06-26 2002-04-02 Kimberly-Clark Worldwide, Inc. Electret treatment of high loft and low density nonwoven webs
US6513184B1 (en) 2000-06-28 2003-02-04 S. C. Johnson & Son, Inc. Particle entrapment system
US6550639B2 (en) 2000-12-05 2003-04-22 S.C. Johnson & Son, Inc. Triboelectric system
US6846450B2 (en) * 2002-06-20 2005-01-25 3M Innovative Properties Company Method for making a nonwoven web
US6824733B2 (en) * 2002-06-20 2004-11-30 3M Innovative Properties Company Meltblowing apparatus employing planetary gear metering pump
US6861025B2 (en) * 2002-06-20 2005-03-01 3M Innovative Properties Company Attenuating fluid manifold for meltblowing die
DE102007018937A1 (de) * 2007-04-21 2008-10-23 Helsa-Automotive Gmbh & Co. Kg Elektrostatisch geladenes oder aufladbares Filtermaterial und Verfahren zu dessen Herstellung
RU2521598C2 (ru) * 2011-01-13 2014-07-10 Общество с ограниченной ответственностью "МЕДЭЛ" Способ изготовления электретов
US11786853B2 (en) 2020-08-10 2023-10-17 F.N. Smith Corporation Facepiece electrostatic charging devices and methods thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365633A (en) * 1965-05-27 1968-01-23 Linden Lab Inc Method of treating polycrystalline ceramics for polarizing them

Also Published As

Publication number Publication date
DE1951749B2 (de) 1974-07-25
FR2020657A1 (pt) 1970-07-17
GB1234547A (pt) 1971-06-03
DE1951749C3 (de) 1975-03-13
DE1951749A1 (de) 1970-05-06
US3571679A (en) 1971-03-23

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