AU2001245621A1 - Melt blown composite hepa vacuum filter - Google Patents

Melt blown composite hepa vacuum filter

Info

Publication number
AU2001245621A1
AU2001245621A1 AU2001245621A AU4562101A AU2001245621A1 AU 2001245621 A1 AU2001245621 A1 AU 2001245621A1 AU 2001245621 A AU2001245621 A AU 2001245621A AU 4562101 A AU4562101 A AU 4562101A AU 2001245621 A1 AU2001245621 A1 AU 2001245621A1
Authority
AU
Australia
Prior art keywords
melt blown
vacuum filter
blown composite
hepa vacuum
composite hepa
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.)
Abandoned
Application number
AU2001245621A
Inventor
Stephen T. Cox
David T. Healey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hollingsworth and Vose Co
Original Assignee
Hollingsworth and Vose Co
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 by Hollingsworth and Vose Co filed Critical Hollingsworth and Vose Co
Publication of AU2001245621A1 publication Critical patent/AU2001245621A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0435—Electret
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/55—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for cleaning appliances, e.g. suction cleaners
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/02—Vacuum cleaner bags
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/39—Electrets separator
AU2001245621A 2000-03-15 2001-03-12 Melt blown composite hepa vacuum filter Abandoned AU2001245621A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18965200P 2000-03-15 2000-03-15
US60189652 2000-03-15
PCT/US2001/007800 WO2001068658A2 (en) 2000-03-15 2001-03-12 Melt blown composite hepa vacuum filter

Publications (1)

Publication Number Publication Date
AU2001245621A1 true AU2001245621A1 (en) 2001-09-24

Family

ID=22698232

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001245621A Abandoned AU2001245621A1 (en) 2000-03-15 2001-03-12 Melt blown composite hepa vacuum filter

Country Status (3)

Country Link
US (1) US6514325B2 (en)
AU (1) AU2001245621A1 (en)
WO (1) WO2001068658A2 (en)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6743273B2 (en) 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
DE10051186B4 (en) * 2000-10-16 2005-04-07 Fibermark Gessner Gmbh & Co. Ohg Dust filter bag with highly porous carrier material layer
US7143469B2 (en) * 2001-02-06 2006-12-05 The Hoover Company Dirt collecting system
DE60100985T2 (en) * 2001-03-02 2004-07-29 Airflo Europe N.V. Multi-layer filter and method of making the same
US20030203696A1 (en) * 2002-04-30 2003-10-30 Healey David Thomas High efficiency ashrae filter media
DE10221694B4 (en) * 2002-05-16 2018-07-12 Branofilter Gmbh Multi-layer filter construction, use of such a multi-layer filter assembly, dust filter bag, bag filter bag, pleated filter, surface exhaust filter and air filter for motor vehicles
DE10224223A1 (en) * 2002-05-31 2003-12-11 Mann & Hummel Filter Filter element, in particular for filtering liquids from a gas stream
WO2005037404A2 (en) * 2003-10-15 2005-04-28 Invista Technologies S.A R.L. Air filter for removing particulate matter and volatile organic compounds
DE10348375B4 (en) * 2003-10-17 2006-05-04 Eurofilters N.V. Filter bag and method for its production
DE10359948A1 (en) * 2003-12-19 2005-07-14 Eurofilters N.V. Dust-collecting filter and method for prolonging the service life of dust-collecting filters
EP1768751B1 (en) * 2004-06-03 2010-02-24 David R. Freriks Filter medium for biohazard mask
US20070095454A1 (en) * 2004-09-02 2007-05-03 Panther Allen L Ultrasonic joining of polymer mats to mechanical devices including electric appliances
JP2008538532A (en) * 2005-04-22 2008-10-30 スリーエム イノベイティブ プロパティズ カンパニー Vehicle cabin air filter device
KR20080017324A (en) * 2005-04-26 2008-02-26 닛토덴코 가부시키가이샤 Filter medium, process for producing the same, method of use thereof and filter unit
US7615109B2 (en) * 2005-06-10 2009-11-10 Electrolux Home Care Products, Inc. Sodium bicarbonate vacuum bag inserts
JPWO2007119648A1 (en) * 2006-04-07 2009-08-27 東京エレクトロン株式会社 Gas cleaning device and semiconductor manufacturing device
FI119280B (en) 2006-05-18 2008-09-30 Valtion Teknillinen Filter and new methods
DE102006038440A1 (en) * 2006-08-16 2008-02-21 Robert Bosch Gmbh Filter bag for filtering fine particles from a gas
US20080314400A1 (en) * 2007-05-31 2008-12-25 Philip Morris Usa Inc. Filter including electrostatically charged fiber material
US8070862B2 (en) * 2007-09-04 2011-12-06 3M Innovative Properties Company Dust collection device for sanding tool
US8986432B2 (en) 2007-11-09 2015-03-24 Hollingsworth & Vose Company Meltblown filter medium, related applications and uses
MX345079B (en) * 2007-12-27 2017-01-16 3M Innovative Properties Co Dust collection device for sanding tool.
US8673040B2 (en) 2008-06-13 2014-03-18 Donaldson Company, Inc. Filter construction for use with air in-take for gas turbine and methods
US8382872B2 (en) 2008-12-23 2013-02-26 3M Innovative Properties Company Dust collection device for sanding tool
US20100212272A1 (en) * 2009-02-24 2010-08-26 Hollingsworth & Vose Company Filter media suitable for ashrae applications
DE202009003669U1 (en) * 2009-03-17 2010-08-12 Mann+Hummel Gmbh filter element
US9943796B2 (en) * 2009-03-26 2018-04-17 Columbus Industries, Inc. Multi layer pleatable filter medium
US8534294B2 (en) * 2009-10-09 2013-09-17 Philip Morris Usa Inc. Method for manufacture of smoking article filter assembly including electrostatically charged fiber
PL2359730T5 (en) * 2010-02-19 2019-12-31 Eurofilters Holding N.V. Vacuum cleaner filter bag with side fold
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
CN101905101B (en) * 2010-07-30 2012-03-21 杭州电子科技大学 Method for preparing melt-blown polypropylene electret filter material
US20120152821A1 (en) * 2010-12-17 2012-06-21 Hollingsworth & Vose Company Fine fiber filter media and processes
US10155186B2 (en) 2010-12-17 2018-12-18 Hollingsworth & Vose Company Fine fiber filter media and processes
US20120152824A1 (en) * 2010-12-17 2012-06-21 Hollingsworth & Vose Company Fine fiber filter media and processes
WO2012150964A1 (en) * 2010-12-17 2012-11-08 Hollingsworth & Vose Company Fine fiber filter media and processes
CN102836594B (en) * 2012-08-30 2014-11-19 上海兴诺康纶纤维科技股份有限公司 Antibacterial polypropylene melt-blow non-woven filter material and preparation method thereof
US20140190137A1 (en) * 2013-01-10 2014-07-10 Tdc Filter Manufacturing, Inc. Media and Filter for Coastal and High Humidity Areas
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
US9777934B2 (en) * 2014-02-19 2017-10-03 Fiber Bond Corporation Panel filter and method for manufacturing the same
US11819792B2 (en) 2014-11-14 2023-11-21 Columbus Industries, Inc. Bidirectional airflow filter
EP3335779A1 (en) * 2016-12-15 2018-06-20 Mann+Hummel GmbH Filter medium and method of making it

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215682A (en) * 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
US4650506A (en) * 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
US5306534A (en) * 1991-03-22 1994-04-26 Home Care Industries, Inc. Vacuum cleaner bag with electrostatically charged meltblown layer
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
US5645627A (en) * 1995-02-28 1997-07-08 Hollingsworth & Vose Company Charge stabilized electret filter media
US6238466B1 (en) * 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
US6171369B1 (en) * 1998-05-11 2001-01-09 Airflo Europe, N.V. Vacuum cleaner bag construction and method of operation
US6110251A (en) 1998-11-03 2000-08-29 Johns Manville International, Inc. Gas filtration media and method of making the same
US6156086A (en) * 1999-03-22 2000-12-05 3M Innovative Properties Company Dual media vacuum filter bag
US6524360B2 (en) * 2000-02-15 2003-02-25 Hollingsworth & Vose Company Melt blown composite HEPA filter media and vacuum bag

Also Published As

Publication number Publication date
US20010045086A1 (en) 2001-11-29
WO2001068658A3 (en) 2002-03-21
WO2001068658A2 (en) 2001-09-20
US6514325B2 (en) 2003-02-04

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