ZA902666B - Filtration medium and face mask containing the same - Google Patents
Filtration medium and face mask containing the sameInfo
- Publication number
- ZA902666B ZA902666B ZA902666A ZA902666A ZA902666B ZA 902666 B ZA902666 B ZA 902666B ZA 902666 A ZA902666 A ZA 902666A ZA 902666 A ZA902666 A ZA 902666A ZA 902666 B ZA902666 B ZA 902666B
- Authority
- ZA
- South Africa
- Prior art keywords
- same
- face mask
- filtration medium
- mask containing
- filtration
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- 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
-
- 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
- D04H1/54—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
- 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
- D04H1/559—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 the fibres being within layered webs
-
- 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
- D04H1/56—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 in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0622—Melt-blown
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1225—Fibre length
-
- 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
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filtering Materials (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33507889A | 1989-04-07 | 1989-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA902666B true ZA902666B (en) | 1991-12-24 |
Family
ID=23310175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA902666A ZA902666B (en) | 1989-04-07 | 1990-04-05 | Filtration medium and face mask containing the same |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0391726A3 (pt) |
JP (1) | JPH02291851A (pt) |
KR (1) | KR900015688A (pt) |
AU (1) | AU5295590A (pt) |
BR (1) | BR9001634A (pt) |
CA (1) | CA2014052A1 (pt) |
FI (1) | FI901756A0 (pt) |
GR (1) | GR1001027B (pt) |
ZA (1) | ZA902666B (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5307796A (en) | 1990-12-20 | 1994-05-03 | Minnesota Mining And Manufacturing Company | Methods of forming fibrous filtration face masks |
US5322061B1 (en) * | 1992-12-16 | 1998-06-02 | Tecnol Med Prod Inc | Disposable aerosol mask |
US5765556A (en) * | 1992-12-16 | 1998-06-16 | Tecnol Medical Products, Inc. | Disposable aerosol mask with face shield |
US5724964A (en) * | 1993-12-15 | 1998-03-10 | Tecnol Medical Products, Inc. | Disposable face mask with enhanced fluid barrier |
US6055982A (en) * | 1993-12-15 | 2000-05-02 | Kimberly-Clark Worldwide, Inc. | Disposable face mask with enhanced fluid barrier |
US5553608A (en) * | 1994-07-20 | 1996-09-10 | Tecnol Medical Products, Inc. | Face mask with enhanced seal and method |
US5561863A (en) * | 1994-10-04 | 1996-10-08 | Kimberly-Clark Corporation | Surgical face mask |
US5472600A (en) * | 1995-02-01 | 1995-12-05 | Minnesota Mining And Manufacturing Company | Gradient density filter |
US5817584A (en) * | 1995-12-22 | 1998-10-06 | Kimberly-Clark Worldwide, Inc. | High efficiency breathing mask fabrics |
KR100478167B1 (ko) * | 1997-01-31 | 2005-03-23 | 킴벌리-클라크 월드와이드, 인크. | 청정실 환경에서 사용되는 비입자성 및 저입자성 일회용 제품 |
JP3578631B2 (ja) * | 1998-06-16 | 2004-10-20 | サンエム・パッケージ株式会社 | マスク |
CN103637431B (zh) * | 2013-12-06 | 2015-05-13 | 山东大学 | 一种高效过滤pm2.5平面口罩 |
BR112022021254A2 (pt) * | 2020-04-20 | 2022-12-27 | Secours Michelle | Meio de filtração de ar, máscara de barreira adaptada, dispositivo de filtração de ar, peça de pano, vestuário ou acessório de vestuário e método de fabricação de uma camada de filtração |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890966A (en) * | 1973-11-01 | 1975-06-24 | Johnson & Johnson | Anti-fog surgical face mask with slits |
US4215682A (en) * | 1978-02-06 | 1980-08-05 | Minnesota Mining And Manufacturing Company | Melt-blown fibrous electrets |
US4382440A (en) * | 1981-03-18 | 1983-05-10 | Kapp Nancy J | Smoke and pollutant filtering device |
DE3337031A1 (de) * | 1983-10-12 | 1985-09-05 | Fa. Carl Freudenberg, 6940 Weinheim | Chirurgische gesichtsmaske |
US4522203A (en) * | 1984-03-09 | 1985-06-11 | Chicopee | Water impervious materials |
US4536440A (en) * | 1984-03-27 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Molded fibrous filtration products |
US4604203A (en) * | 1984-09-14 | 1986-08-05 | Minnesota Mining And Manufacturing Co. | Cooking oil filtering apparatus and filter therefor |
US4600002A (en) * | 1984-10-24 | 1986-07-15 | American Optical Corporation | Disposable respirator |
US4856509A (en) * | 1985-07-08 | 1989-08-15 | Lemelson Jerome H | Face mask and method |
US4807619A (en) * | 1986-04-07 | 1989-02-28 | Minnesota Mining And Manufacturing Company | Resilient shape-retaining fibrous filtration face mask |
AU598606B2 (en) * | 1986-11-27 | 1990-06-28 | Unitika Ltd. | Adsorptive fiber sheet |
DE3719420A1 (de) * | 1987-06-11 | 1988-12-29 | Sandler Helmut Helsa Werke | Atemschutzmaske |
JPH01168364A (ja) * | 1987-12-24 | 1989-07-03 | Toray Ind Inc | 濾過方法 |
-
1990
- 1990-03-30 GR GR900100240A patent/GR1001027B/el unknown
- 1990-04-04 KR KR1019900004640A patent/KR900015688A/ko not_active Application Discontinuation
- 1990-04-05 AU AU52955/90A patent/AU5295590A/en not_active Abandoned
- 1990-04-05 ZA ZA902666A patent/ZA902666B/xx unknown
- 1990-04-06 FI FI901756A patent/FI901756A0/fi not_active IP Right Cessation
- 1990-04-06 EP EP19900303702 patent/EP0391726A3/en not_active Withdrawn
- 1990-04-06 CA CA002014052A patent/CA2014052A1/en not_active Abandoned
- 1990-04-06 BR BR909001634A patent/BR9001634A/pt not_active Application Discontinuation
- 1990-04-06 JP JP2091954A patent/JPH02291851A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH02291851A (ja) | 1990-12-03 |
CA2014052A1 (en) | 1990-10-07 |
GR900100240A (en) | 1991-09-27 |
KR900015688A (ko) | 1990-11-10 |
EP0391726A3 (en) | 1992-03-25 |
EP0391726A2 (en) | 1990-10-10 |
AU5295590A (en) | 1990-10-11 |
GR1001027B (el) | 1993-03-31 |
FI901756A0 (fi) | 1990-04-06 |
BR9001634A (pt) | 1991-05-07 |
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