AU2007342320B2 - Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media - Google Patents
Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media Download PDFInfo
- Publication number
- AU2007342320B2 AU2007342320B2 AU2007342320A AU2007342320A AU2007342320B2 AU 2007342320 B2 AU2007342320 B2 AU 2007342320B2 AU 2007342320 A AU2007342320 A AU 2007342320A AU 2007342320 A AU2007342320 A AU 2007342320A AU 2007342320 B2 AU2007342320 B2 AU 2007342320B2
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- molded
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Links
- 239000002356 single layer Substances 0.000 title claims abstract description 38
- 230000002902 bimodal effect Effects 0.000 title claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 401
- 239000011159 matrix material Substances 0.000 claims abstract description 73
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- 229920001410 Microfiber Polymers 0.000 claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims description 78
- 230000008569 process Effects 0.000 claims description 31
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 98
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- ORECYURYFJYPKY-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine;2,4,6-trichloro-1,3,5-triazine;2,4,4-trimethylpentan-2-amine Chemical compound CC(C)(C)CC(C)(C)N.ClC1=NC(Cl)=NC(Cl)=N1.C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 ORECYURYFJYPKY-UHFFFAOYSA-N 0.000 description 10
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 9
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- VPSXHKGJZJCWLV-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(1-ethylpiperidin-4-yl)oxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OC1CCN(CC1)CC VPSXHKGJZJCWLV-UHFFFAOYSA-N 0.000 description 2
- AWFYPPSBLUWMFQ-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=C2 AWFYPPSBLUWMFQ-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
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- 239000004033 plastic Substances 0.000 description 2
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- 229920000306 polymethylpentene Polymers 0.000 description 2
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- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
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- FMZUHGYZWYNSOA-VVBFYGJXSA-N (1r)-1-[(4r,4ar,8as)-2,6-diphenyl-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C([C@@H]1OC(O[C@@H]([C@@H]1O1)[C@H](O)CO)C=2C=CC=CC=2)OC1C1=CC=CC=C1 FMZUHGYZWYNSOA-VVBFYGJXSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
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- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
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- 230000000994 depressogenic effect Effects 0.000 description 1
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- 229940087101 dibenzylidene sorbitol Drugs 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
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- 238000004736 wide-angle X-ray diffraction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
- A41D13/1146—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration obtained by moulding
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
-
- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Pulmonology (AREA)
- Nonwoven Fabrics (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/461,145 US7858163B2 (en) | 2006-07-31 | 2006-07-31 | Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media |
| US11/461,145 | 2006-07-31 | ||
| PCT/US2007/073645 WO2008085544A2 (en) | 2006-07-31 | 2007-07-17 | Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2007342320A1 AU2007342320A1 (en) | 2008-07-17 |
| AU2007342320B2 true AU2007342320B2 (en) | 2011-12-22 |
Family
ID=38986661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2007342320A Ceased AU2007342320B2 (en) | 2006-07-31 | 2007-07-17 | Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US7858163B2 (enExample) |
| EP (1) | EP2046457B1 (enExample) |
| JP (1) | JP5074495B2 (enExample) |
| KR (1) | KR101422868B1 (enExample) |
| CN (1) | CN101495188B (enExample) |
| AU (1) | AU2007342320B2 (enExample) |
| BR (1) | BRPI0714087A2 (enExample) |
| RU (1) | RU2399390C1 (enExample) |
| TW (1) | TW200819160A (enExample) |
| WO (1) | WO2008085544A2 (enExample) |
Families Citing this family (54)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8513147B2 (en) * | 2003-06-19 | 2013-08-20 | Eastman Chemical Company | Nonwovens produced from multicomponent fibers |
| US20040260034A1 (en) | 2003-06-19 | 2004-12-23 | Haile William Alston | Water-dispersible fibers and fibrous articles |
| US7892993B2 (en) | 2003-06-19 | 2011-02-22 | Eastman Chemical Company | Water-dispersible and multicomponent fibers from sulfopolyesters |
| WO2007088824A1 (ja) * | 2006-02-01 | 2007-08-09 | Toray Industries, Inc. | フィルター用不織布およびその製造方法 |
| US9770058B2 (en) * | 2006-07-17 | 2017-09-26 | 3M Innovative Properties Company | Flat-fold respirator with monocomponent filtration/stiffening monolayer |
| US7902096B2 (en) * | 2006-07-31 | 2011-03-08 | 3M Innovative Properties Company | Monocomponent monolayer meltblown web and meltblowing apparatus |
| US7905973B2 (en) * | 2006-07-31 | 2011-03-15 | 3M Innovative Properties Company | Molded monocomponent monolayer respirator |
| US7754041B2 (en) * | 2006-07-31 | 2010-07-13 | 3M Innovative Properties Company | Pleated filter with bimodal monolayer monocomponent media |
| US8802002B2 (en) | 2006-12-28 | 2014-08-12 | 3M Innovative Properties Company | Dimensionally stable bonded nonwoven fibrous webs |
| US9770611B2 (en) | 2007-05-03 | 2017-09-26 | 3M Innovative Properties Company | Maintenance-free anti-fog respirator |
| US20080271739A1 (en) | 2007-05-03 | 2008-11-06 | 3M Innovative Properties Company | Maintenance-free respirator that has concave portions on opposing sides of mask top section |
| US7989372B2 (en) * | 2007-06-22 | 2011-08-02 | 3M Innovative Properties Company | Molded respirator comprising meltblown fiber web with staple fibers |
| US7989371B2 (en) * | 2007-06-22 | 2011-08-02 | 3M Innovative Properties Company | Meltblown fiber web with staple fibers |
| US8113201B2 (en) * | 2008-06-30 | 2012-02-14 | Kimberly-Clark Worldwide, Inc. | Collapse resistant respirator |
| CN102300617A (zh) * | 2008-12-19 | 2011-12-28 | 3M创新有限公司 | 喷漆房的预过滤器和减少污染的方法 |
| US8512519B2 (en) * | 2009-04-24 | 2013-08-20 | Eastman Chemical Company | Sulfopolyesters for paper strength and process |
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| US8882963B2 (en) | 2012-01-31 | 2014-11-11 | Eastman Chemical Company | Processes to produce short cut microfibers |
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| USD746439S1 (en) | 2013-12-30 | 2015-12-29 | Kimberly-Clark Worldwide, Inc. | Combination valve and buckle set for disposable respirators |
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| US20230166136A1 (en) * | 2020-04-22 | 2023-06-01 | Scott Jones | Shaped Three Dimensional Mask with Replaceable Filter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315881A (en) * | 1978-12-20 | 1982-02-16 | Chisso Corporation | Process for producing composite fibers of side by side type having no crimp |
| US4714647A (en) * | 1986-05-02 | 1987-12-22 | Kimberly-Clark Corporation | Melt-blown material with depth fiber size gradient |
| US5480466A (en) * | 1994-05-04 | 1996-01-02 | Schuller International, Inc. | Air filtration media |
| US5641555A (en) * | 1993-08-17 | 1997-06-24 | Minnesota Mining And Manufacturing Company | Cup-shaped filtration mask having an undulated surface |
| 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 |
Family Cites Families (85)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US564155A (en) * | 1896-07-14 | The morris peters co | ||
| US410324A (en) * | 1889-09-03 | Car-wheel | ||
| US3073735A (en) * | 1955-04-18 | 1963-01-15 | American Viscose Corp | Method for producing filters |
| 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 |
| CA1073648A (en) | 1976-08-02 | 1980-03-18 | Edward R. Hauser | Web of blended microfibers and crimped bulking fibers |
| US4536361A (en) | 1978-08-28 | 1985-08-20 | Torobin Leonard B | Method for producing plastic microfilaments |
| US4405297A (en) | 1980-05-05 | 1983-09-20 | Kimberly-Clark Corporation | Apparatus for forming nonwoven webs |
| CA1185500A (en) | 1981-08-12 | 1985-04-16 | Joseph Z. Zdrok | Disposable respirator |
| WO1984003193A1 (en) | 1983-02-04 | 1984-08-16 | Minnesota Mining & Mfg | Method and apparatus for manufacturing an electret filter medium |
| US4547420A (en) | 1983-10-11 | 1985-10-15 | Minnesota Mining And Manufacturing Company | Bicomponent fibers and webs made therefrom |
| US4536440A (en) * | 1984-03-27 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Molded fibrous filtration products |
| US4818464A (en) | 1984-08-30 | 1989-04-04 | Kimberly-Clark Corporation | Extrusion process using a central air jet |
| US4807619A (en) | 1986-04-07 | 1989-02-28 | Minnesota Mining And Manufacturing Company | Resilient shape-retaining fibrous filtration face mask |
| US4883547A (en) | 1987-03-02 | 1989-11-28 | Minnesota Mining And Manufacturing Company | Method of forming a high efficiency respirator |
| 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 |
| US5079080A (en) | 1989-05-26 | 1992-01-07 | Bix Fiberfilm Corporation | Process for forming a superabsorbent composite web from fiberforming thermoplastic polymer and supersorbing polymer and products produced thereby |
| US5685757A (en) | 1989-06-20 | 1997-11-11 | Corovin Gmbh | Fibrous spun-bonded non-woven composite |
| US5227107A (en) | 1990-08-07 | 1993-07-13 | Kimberly-Clark Corporation | Process and apparatus for forming nonwovens within a forming chamber |
| US5307796A (en) * | 1990-12-20 | 1994-05-03 | Minnesota Mining And Manufacturing Company | Methods of forming fibrous filtration face masks |
| US5374458A (en) | 1992-03-13 | 1994-12-20 | Minnesota Mining And Manufacturing Company | Molded, multiple-layer face mask |
| US5382400A (en) | 1992-08-21 | 1995-01-17 | Kimberly-Clark Corporation | Nonwoven multicomponent polymeric fabric and method for making same |
| JPH06207359A (ja) | 1992-10-14 | 1994-07-26 | Nippon Petrochem Co Ltd | 通気性強化不織布およびその製造方法 |
| EP0634511B1 (en) | 1993-07-16 | 1997-12-10 | Chisso Corporation | Microfine fiber product and process for producing the same |
| EP0714463B1 (en) | 1993-08-17 | 1999-03-10 | Minnesota Mining And Manufacturing Company | Method of charging electret filter media |
| CA2121513A1 (en) | 1994-01-03 | 1995-07-04 | Richard Daniel Pike | Thermoformable nonwoven fabric |
| CA2129496A1 (en) | 1994-04-12 | 1995-10-13 | Mary Lou Delucia | Strength improved single polymer conjugate fiber webs |
| US5582907A (en) | 1994-07-28 | 1996-12-10 | Pall Corporation | Melt-blown fibrous web |
| EP0772484B1 (en) | 1994-07-28 | 2008-02-27 | Pall Corporation | Fibrous web and process of preparing same |
| US5695376A (en) | 1994-09-09 | 1997-12-09 | Kimberly-Clark Worldwide, Inc. | Thermoformable barrier nonwoven laminate |
| WO1997037071A1 (fr) | 1994-09-28 | 1997-10-09 | Toray Industries, Inc. | Textile non-tisse pour filtre plisse et procede de fabrication |
| 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 |
| US5591335A (en) * | 1995-05-02 | 1997-01-07 | Memtec America Corporation | Filter cartridges having nonwoven melt blown filtration media with integral co-located support and filtration |
| US5908598A (en) | 1995-08-14 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Fibrous webs having enhanced electret properties |
| US6171684B1 (en) * | 1995-11-17 | 2001-01-09 | Donaldson Company, Inc. | Filter material construction and method |
| 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 |
| US5817584A (en) | 1995-12-22 | 1998-10-06 | Kimberly-Clark Worldwide, Inc. | High efficiency breathing mask fabrics |
| TW334380B (en) | 1996-01-24 | 1998-06-21 | Nippon Walin Kk | Burnishing cloth |
| US5679042A (en) | 1996-04-25 | 1997-10-21 | Kimberly-Clark Worldwide, Inc. | Nonwoven fabric having a pore size gradient and method of making same |
| US5685787A (en) * | 1996-07-03 | 1997-11-11 | Kogut; Christopher Mark | Golf club swing training method |
| 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 |
| US6041782A (en) | 1997-06-24 | 2000-03-28 | 3M Innovative Properties Company | Respiratory mask having comfortable inner cover web |
| 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 |
| 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 |
| US6269513B1 (en) | 1998-08-28 | 2001-08-07 | Leonard B. Torobin | Wipe pads with superior solids removal ability using sub-micron filaments |
| CN2341666Y (zh) * | 1998-10-12 | 1999-10-06 | 邱俊亮 | 凸凸超薄口罩 |
| JP4369572B2 (ja) * | 1998-11-17 | 2009-11-25 | 日本バイリーン株式会社 | 不織布及びそれを用いた濾過材 |
| US6723669B1 (en) | 1999-12-17 | 2004-04-20 | Kimberly-Clark Worldwide, Inc. | Fine multicomponent fiber webs and laminates thereof |
| US6394090B1 (en) * | 1999-02-17 | 2002-05-28 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
| DE29906007U1 (de) * | 1999-04-01 | 1999-08-12 | Chiu, Chun-Liang, Taipeh/T'ai-pei | Konvexe Stoff-Gasmaske |
| US6588080B1 (en) | 1999-04-30 | 2003-07-08 | Kimberly-Clark Worldwide, Inc. | Controlled loft and density nonwoven webs and method for producing |
| DE19929709C2 (de) | 1999-06-24 | 2001-07-12 | Lueder Gerking | Verfahren zur Herstellung von im Wesentlichen endlosen feinen Fäden und Verwendung der Vorrichtung zur Durchführung des Verfahrens |
| 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 |
| US6548431B1 (en) | 1999-12-20 | 2003-04-15 | E. I. Du Pont De Nemours And Company | Melt spun polyester nonwoven sheet |
| US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
| US6607624B2 (en) | 2000-11-20 | 2003-08-19 | 3M Innovative Properties Company | Fiber-forming process |
| AU2002243282B2 (en) | 2000-11-20 | 2006-07-06 | 3M Innovative Properties Company | Fiber-forming process |
| US6667254B1 (en) | 2000-11-20 | 2003-12-23 | 3M Innovative Properties Company | Fibrous nonwoven webs |
| 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 |
| JP2002242069A (ja) * | 2001-02-15 | 2002-08-28 | Mitsui Chemicals Inc | 混合繊維からなる不織布及びその製造方法並びに該不織布からなる積層体 |
| 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 |
| US7887889B2 (en) | 2001-12-14 | 2011-02-15 | 3M Innovative Properties Company | Plasma fluorination treatment of porous materials |
| US6835311B2 (en) | 2002-01-31 | 2004-12-28 | Koslow Technologies Corporation | Microporous filter media, filtration systems containing same, and methods of making and using |
| DE10221694B4 (de) | 2002-05-16 | 2018-07-12 | Branofilter Gmbh | Mehrlagiger Filteraufbau, Verwendung eines solchen mehrlagigen Filteraufbaus, Staubfilterbeutel, Taschenfilterbeutel, plissierter Filter, flächiger Abluftfilter und Luftfilter für Kraftfahrzeuge |
| US6916752B2 (en) | 2002-05-20 | 2005-07-12 | 3M Innovative Properties Company | Bondable, oriented, nonwoven fibrous webs and methods for making them |
| US6923182B2 (en) | 2002-07-18 | 2005-08-02 | 3M Innovative Properties Company | Crush resistant filtering face mask |
| 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 |
| US7476632B2 (en) | 2002-11-15 | 2009-01-13 | 3M Innovative Properties Company | Fibrous nonwoven web |
| US6858297B1 (en) | 2004-04-05 | 2005-02-22 | 3M Innovative Properties Company | Aligned fiber web |
| JP2006037295A (ja) * | 2004-07-29 | 2006-02-09 | Toray Ind Inc | メルトブロー不織布シートおよびそれを用いてなる濾材 |
| JP4932194B2 (ja) | 2005-08-26 | 2012-05-16 | 日本バイリーン株式会社 | エアフィルタ用濾材及びエアフィルタユニット |
| DE102006014236A1 (de) | 2006-03-28 | 2007-10-04 | Irema-Filter Gmbh | Plissierbares Vliesmaterial und Verfahren und Vorrichtung zur Herstellung derselben |
| US7902096B2 (en) | 2006-07-31 | 2011-03-08 | 3M Innovative Properties Company | Monocomponent monolayer meltblown web and meltblowing apparatus |
| 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 |
| US7807591B2 (en) | 2006-07-31 | 2010-10-05 | 3M Innovative Properties Company | Fibrous web comprising microfibers dispersed among bonded meltspun fibers |
| US7989372B2 (en) | 2007-06-22 | 2011-08-02 | 3M Innovative Properties Company | Molded respirator comprising meltblown fiber web with staple fibers |
| US20080315454A1 (en) | 2007-06-22 | 2008-12-25 | 3M Innovative Properties Company | Method of making meltblown fiber web with staple fibers |
| US7989371B2 (en) | 2007-06-22 | 2011-08-02 | 3M Innovative Properties Company | Meltblown fiber web with staple fibers |
-
2006
- 2006-07-31 US US11/461,145 patent/US7858163B2/en not_active Expired - Fee Related
-
2007
- 2007-07-17 WO PCT/US2007/073645 patent/WO2008085544A2/en not_active Ceased
- 2007-07-17 RU RU2009102177A patent/RU2399390C1/ru active IP Right Revival
- 2007-07-17 BR BRPI0714087-8A patent/BRPI0714087A2/pt not_active IP Right Cessation
- 2007-07-17 EP EP20070872251 patent/EP2046457B1/en not_active Not-in-force
- 2007-07-17 KR KR1020097001944A patent/KR101422868B1/ko not_active Expired - Fee Related
- 2007-07-17 JP JP2009522924A patent/JP5074495B2/ja not_active Expired - Fee Related
- 2007-07-17 AU AU2007342320A patent/AU2007342320B2/en not_active Ceased
- 2007-07-17 CN CN200780028651XA patent/CN101495188B/zh not_active Expired - Fee Related
- 2007-07-30 TW TW96127820A patent/TW200819160A/zh unknown
-
2010
- 2010-11-19 US US12/950,136 patent/US8580182B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315881A (en) * | 1978-12-20 | 1982-02-16 | Chisso Corporation | Process for producing composite fibers of side by side type having no crimp |
| US4714647A (en) * | 1986-05-02 | 1987-12-22 | Kimberly-Clark Corporation | Melt-blown material with depth fiber size gradient |
| US5641555A (en) * | 1993-08-17 | 1997-06-24 | Minnesota Mining And Manufacturing Company | Cup-shaped filtration mask having an undulated surface |
| US5480466A (en) * | 1994-05-04 | 1996-01-02 | Schuller International, Inc. | Air filtration 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090040890A (ko) | 2009-04-27 |
| CN101495188B (zh) | 2012-07-04 |
| AU2007342320A1 (en) | 2008-07-17 |
| BRPI0714087A2 (pt) | 2013-04-02 |
| EP2046457A2 (en) | 2009-04-15 |
| JP5074495B2 (ja) | 2012-11-14 |
| JP2009545388A (ja) | 2009-12-24 |
| CN101495188A (zh) | 2009-07-29 |
| WO2008085544A3 (en) | 2008-10-30 |
| EP2046457A4 (en) | 2011-12-07 |
| US20110074060A1 (en) | 2011-03-31 |
| TW200819160A (en) | 2008-05-01 |
| EP2046457B1 (en) | 2012-07-11 |
| KR101422868B1 (ko) | 2014-07-23 |
| RU2399390C1 (ru) | 2010-09-20 |
| US8580182B2 (en) | 2013-11-12 |
| WO2008085544A2 (en) | 2008-07-17 |
| US7858163B2 (en) | 2010-12-28 |
| US20080026173A1 (en) | 2008-01-31 |
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