ZA200208206B - Composite filter and method of making the same. - Google Patents
Composite filter and method of making the same. Download PDFInfo
- Publication number
- ZA200208206B ZA200208206B ZA200208206A ZA200208206A ZA200208206B ZA 200208206 B ZA200208206 B ZA 200208206B ZA 200208206 A ZA200208206 A ZA 200208206A ZA 200208206 A ZA200208206 A ZA 200208206A ZA 200208206 B ZA200208206 B ZA 200208206B
- Authority
- ZA
- South Africa
- Prior art keywords
- fibers
- tier
- composite filter
- upstream
- downstream
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 103
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 164
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 48
- 239000011148 porous material Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 38
- 239000002245 particle Substances 0.000 claims description 25
- 239000004743 Polypropylene Substances 0.000 claims description 23
- 229920000642 polymer Polymers 0.000 claims description 19
- -1 polypropylene Polymers 0.000 claims description 19
- 229920005594 polymer fiber Polymers 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 239000012080 ambient air Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 53
- 239000003570 air Substances 0.000 description 37
- 239000011230 binding agent Substances 0.000 description 24
- 210000001170 unmyelinated nerve fiber Anatomy 0.000 description 24
- 229920000126 latex Polymers 0.000 description 22
- 239000004816 latex Substances 0.000 description 21
- 230000035699 permeability Effects 0.000 description 19
- 230000008569 process Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 14
- 230000001070 adhesive effect Effects 0.000 description 14
- 238000010276 construction Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 239000013067 intermediate product Substances 0.000 description 8
- 238000011068 loading method Methods 0.000 description 7
- 229920000098 polyolefin Polymers 0.000 description 7
- 238000007786 electrostatic charging Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 5
- 238000011045 prefiltration Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 229920001410 Microfiber Polymers 0.000 description 3
- 108091034117 Oligonucleotide Proteins 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004750 melt-blown nonwoven Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000009960 carding Methods 0.000 description 2
- 238000007600 charging Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 235000019645 odor Nutrition 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 206010003402 Arthropod sting Diseases 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000334160 Isatis Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 102100026827 Protein associated with UVRAG as autophagy enhancer Human genes 0.000 description 1
- 101710102978 Protein associated with UVRAG as autophagy enhancer Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008275 binding mechanism Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000010407 vacuum cleaning Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
-
- 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
- B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural 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
-
- 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
- B01D46/0001—Making filtering elements
-
- 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
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/30—Porosity of filtering material
- B01D2275/305—Porosity decreasing in flow direction
-
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/903—Microfiber, less than 100 micron diameter
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/668—Separate nonwoven fabric layers comprise chemically different strand or fiber material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Laminated Bodies (AREA)
- Color Television Image Signal Generators (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01105152A EP1236494B1 (de) | 2001-03-02 | 2001-03-02 | Mehrschichtiger Filter und Verfahren zu dessen Herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200208206B true ZA200208206B (en) | 2003-07-17 |
Family
ID=8176660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200208206A ZA200208206B (en) | 2001-03-02 | 2002-10-11 | Composite filter and method of making the same. |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US7094270B2 (de) |
| EP (1) | EP1236494B1 (de) |
| JP (1) | JP2004532098A (de) |
| CN (1) | CN1244391C (de) |
| AT (1) | ATE251937T1 (de) |
| AU (1) | AU2002240938B2 (de) |
| CA (1) | CA2439300C (de) |
| CZ (1) | CZ20032598A3 (de) |
| DE (1) | DE60100985T2 (de) |
| DK (1) | DK1236494T3 (de) |
| ES (1) | ES2208481T3 (de) |
| NZ (1) | NZ527814A (de) |
| PL (1) | PL363317A1 (de) |
| PT (1) | PT1236494E (de) |
| WO (1) | WO2002070107A2 (de) |
| ZA (1) | ZA200208206B (de) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101514908B1 (ko) * | 2004-11-05 | 2015-04-23 | 도날드슨 컴파니, 인코포레이티드 | 필터 매체 및 구조 |
| US8057567B2 (en) | 2004-11-05 | 2011-11-15 | Donaldson Company, Inc. | Filter medium and breather filter structure |
| US8021457B2 (en) | 2004-11-05 | 2011-09-20 | Donaldson Company, Inc. | Filter media and structure |
| SI1674144T1 (sl) * | 2004-12-23 | 2008-04-30 | Gore W L & Ass Gmbh | Filter dovodnega zraka turbine |
| JP5308031B2 (ja) | 2005-02-04 | 2013-10-09 | ドナルドソン カンパニー，インコーポレイティド | 換気フィルタおよび換気用ろ過アセンブリ |
| WO2006091594A1 (en) | 2005-02-22 | 2006-08-31 | Donaldson Company, Inc. | Aerosol separator |
| EP1855780B1 (de) * | 2005-03-07 | 2014-09-17 | Gore Enterprise Holdings, Inc. | Verbundfiltermedien |
| JP2008538532A (ja) * | 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 | 車両客室エアフィルター装置 |
| WO2006115270A1 (ja) * | 2005-04-26 | 2006-11-02 | Nitto Denko Corporation | フィルタ濾材とその製造方法および使用方法ならびにフィルタユニット |
| DE102005043791A1 (de) * | 2005-09-13 | 2007-03-15 | Mann + Hummel Gmbh | Einrichtung zur Reinigung von Luft |
| US8308833B2 (en) * | 2005-10-04 | 2012-11-13 | Toray Industries, Inc. | Nonwoven fabric for filters |
| EP1866052A1 (de) * | 2005-11-17 | 2007-12-19 | Neenah Gessner GmbH | Staubfilterbeutel |
| DE102005059214B4 (de) | 2005-12-12 | 2007-10-25 | Eurofilters N.V. | Filterbeutel für einen Staubsauger |
| DE102006017553B3 (de) | 2006-04-13 | 2007-12-27 | Eurofilters N.V. | Filterbeutel für einen Staubsauger |
| US20070251200A1 (en) * | 2006-04-26 | 2007-11-01 | Volo Giovanni D | Two-stage air filter |
| US8182568B2 (en) * | 2006-04-26 | 2012-05-22 | Volo Giovanni D | Two-stage air filter and mask incorporating the same |
| US7754041B2 (en) * | 2006-07-31 | 2010-07-13 | 3M Innovative Properties Company | Pleated filter with bimodal monolayer monocomponent media |
| DE102006038440A1 (de) * | 2006-08-16 | 2008-02-21 | Robert Bosch Gmbh | Filterbeutel zum Filtern feiner Partikel aus einem Gas |
| US8118177B2 (en) * | 2006-10-04 | 2012-02-21 | Sellars Absorbent Materials, Inc. | Non-woven webs and methods of manufacturing the same |
| US8318062B2 (en) | 2006-10-04 | 2012-11-27 | Sellars Absorbent Materials, Inc. | Industrial absorbents and methods of manufacturing the same |
| CN101652168A (zh) | 2007-02-22 | 2010-02-17 | 唐纳森公司 | 过滤元件及其方法 |
| WO2008103821A2 (en) | 2007-02-23 | 2008-08-28 | Donaldson Company, Inc. | Formed filter element |
| DE102007011365B4 (de) * | 2007-03-07 | 2009-02-12 | Carl Freudenberg Kg | Lage zur Verwendung in einem HEPA-Filterelement sowie Filterelement |
| US7837756B2 (en) * | 2007-04-05 | 2010-11-23 | Aaf-Mcquay Inc. | Filter with ePTFE and method of forming |
| US7981177B2 (en) * | 2007-04-18 | 2011-07-19 | Transweb, Llc | Filtration media having a slit-film layer |
| DE102007027299B4 (de) * | 2007-06-11 | 2009-02-26 | Johns Manville Europe Gmbh | Filter, Verfahren zu dessen Herstellung, dessen Verwendung sowie Filtermodule |
| US7989372B2 (en) * | 2007-06-22 | 2011-08-02 | 3M Innovative Properties Company | Molded respirator comprising meltblown fiber web with staple fibers |
| US8070862B2 (en) * | 2007-09-04 | 2011-12-06 | 3M Innovative Properties Company | Dust collection device for sanding tool |
| WO2009062009A2 (en) * | 2007-11-09 | 2009-05-14 | Hollingsworth & Vose Company | Meltblown filter medium |
| US8986432B2 (en) | 2007-11-09 | 2015-03-24 | Hollingsworth & Vose Company | Meltblown filter medium, related applications and uses |
| WO2009078642A2 (en) * | 2007-12-14 | 2009-06-25 | Kolon Industries, Inc. | A nonwoven for air filtration and a preparation method thereof |
| US8673040B2 (en) | 2008-06-13 | 2014-03-18 | Donaldson Company, Inc. | Filter construction for use with air in-take for gas turbine and methods |
| AU2009310577B2 (en) | 2008-10-27 | 2016-03-10 | Sefar Bdh Inc. | Filter bag, pleatable filtration material therefore, and process of making same |
| WO2010049052A1 (de) | 2008-10-31 | 2010-05-06 | Carl Freudenberg Kg | Filtermedium zur partikelfiltration |
| EP2364196B1 (de) * | 2008-12-05 | 2013-03-20 | E. I. du Pont de Nemours and Company | Filtermedium mit nanovliesschicht |
| US8152887B2 (en) * | 2008-12-15 | 2012-04-10 | Mann + Hummel Gmbh | Air/oil separator |
| US9885154B2 (en) | 2009-01-28 | 2018-02-06 | Donaldson Company, Inc. | Fibrous media |
| US8372292B2 (en) * | 2009-02-27 | 2013-02-12 | Johns Manville | Melt blown polymeric filtration medium for high efficiency fluid filtration |
| TWI515035B (zh) * | 2009-03-02 | 2016-01-01 | 科邁實業有限公司 | 可再生皺褶式過濾器媒介 |
| US8950587B2 (en) | 2009-04-03 | 2015-02-10 | Hollingsworth & Vose Company | Filter media suitable for hydraulic applications |
| WO2011011620A1 (en) * | 2009-07-22 | 2011-01-27 | Donaldson Company, Inc. | Filter media construction using ptfe film and carbon web for hepa efficiency and odor control |
| WO2011013121A1 (en) * | 2009-07-27 | 2011-02-03 | Airfreedom Ltd. | Improved filter configuration |
| US8679218B2 (en) | 2010-04-27 | 2014-03-25 | Hollingsworth & Vose Company | Filter media with a multi-layer structure |
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-
2001
- 2001-03-02 PT PT01105152T patent/PT1236494E/pt unknown
- 2001-03-02 AT AT01105152T patent/ATE251937T1/de not_active IP Right Cessation
- 2001-03-02 DK DK01105152T patent/DK1236494T3/da active
- 2001-03-02 ES ES01105152T patent/ES2208481T3/es not_active Expired - Lifetime
- 2001-03-02 DE DE60100985T patent/DE60100985T2/de not_active Expired - Fee Related
- 2001-03-02 EP EP01105152A patent/EP1236494B1/de not_active Expired - Lifetime
-
2002
- 2002-03-01 US US10/469,415 patent/US7094270B2/en not_active Expired - Fee Related
- 2002-03-01 PL PL02363317A patent/PL363317A1/xx not_active Application Discontinuation
- 2002-03-01 CZ CZ20032598A patent/CZ20032598A3/cs unknown
- 2002-03-01 CN CNB028004736A patent/CN1244391C/zh not_active Expired - Fee Related
- 2002-03-01 AU AU2002240938A patent/AU2002240938B2/en not_active Ceased
- 2002-03-01 JP JP2002569271A patent/JP2004532098A/ja active Pending
- 2002-03-01 CA CA002439300A patent/CA2439300C/en not_active Expired - Fee Related
- 2002-03-01 NZ NZ527814A patent/NZ527814A/xx not_active IP Right Cessation
- 2002-03-01 WO PCT/EP2002/002251 patent/WO2002070107A2/en not_active Application Discontinuation
- 2002-10-11 ZA ZA200208206A patent/ZA200208206B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1457266A (zh) | 2003-11-19 |
| JP2004532098A (ja) | 2004-10-21 |
| CN1244391C (zh) | 2006-03-08 |
| DK1236494T3 (da) | 2004-02-16 |
| CA2439300C (en) | 2006-10-31 |
| US20040083695A1 (en) | 2004-05-06 |
| AU2002240938B2 (en) | 2004-09-30 |
| CZ20032598A3 (en) | 2004-04-14 |
| EP1236494A1 (de) | 2002-09-04 |
| CA2439300A1 (en) | 2002-09-12 |
| DE60100985D1 (de) | 2003-11-20 |
| NZ527814A (en) | 2004-12-24 |
| WO2002070107A3 (en) | 2002-10-31 |
| PT1236494E (pt) | 2004-03-31 |
| US7094270B2 (en) | 2006-08-22 |
| EP1236494B1 (de) | 2003-10-15 |
| ES2208481T3 (es) | 2004-06-16 |
| WO2002070107A2 (en) | 2002-09-12 |
| ATE251937T1 (de) | 2003-11-15 |
| PL363317A1 (en) | 2004-11-15 |
| DE60100985T2 (de) | 2004-07-29 |
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