DE3719420C2 - - Google Patents
Info
- Publication number
- DE3719420C2 DE3719420C2 DE3719420A DE3719420A DE3719420C2 DE 3719420 C2 DE3719420 C2 DE 3719420C2 DE 3719420 A DE3719420 A DE 3719420A DE 3719420 A DE3719420 A DE 3719420A DE 3719420 C2 DE3719420 C2 DE 3719420C2
- Authority
- DE
- Germany
- Prior art keywords
- respirator
- layer
- filter
- adsorber
- particles
- 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.)
- Expired - Fee Related
Links
- 239000002245 particle Substances 0.000 claims description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 41
- 239000011148 porous material Substances 0.000 claims description 31
- 239000006261 foam material Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 23
- 239000003463 adsorbent Substances 0.000 claims description 19
- 230000000241 respiratory effect Effects 0.000 claims description 19
- 239000003344 environmental pollutant Substances 0.000 claims description 18
- 231100000719 pollutant Toxicity 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 8
- 239000005871 repellent Substances 0.000 claims description 8
- 238000005470 impregnation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000006378 damage Effects 0.000 claims description 2
- 239000003205 fragrance Substances 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 59
- 229920005830 Polyurethane Foam Polymers 0.000 description 11
- 239000011496 polyurethane foam Substances 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- -1 Polypropylene Polymers 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 150000002736 metal compounds Chemical class 0.000 description 5
- 239000003570 air Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229920001410 Microfiber Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000003658 microfiber Substances 0.000 description 3
- 235000019645 odor Nutrition 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 240000007817 Olea europaea Species 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- DYAHQFWOVKZOOW-UHFFFAOYSA-N Sarin Chemical compound CC(C)OP(C)(F)=O DYAHQFWOVKZOOW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- VVUWBSLSKCUPNG-UHFFFAOYSA-N arsane copper Chemical compound [Cu].[AsH3] VVUWBSLSKCUPNG-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- JMXJVGGJBQOZOJ-UHFFFAOYSA-N copper;formonitrile Chemical compound [Cu].N#C JMXJVGGJBQOZOJ-UHFFFAOYSA-N 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000774 hypoallergenic effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 231100000636 lethal dose Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NZVZJSIAQQZVIM-UHFFFAOYSA-N oxomethylideneplatinum Chemical compound O=C=[Pt] NZVZJSIAQQZVIM-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873719420 DE3719420A1 (de) | 1987-06-11 | 1987-06-11 | Atemschutzmaske |
| US07/095,816 US4883052A (en) | 1987-06-11 | 1987-09-11 | Protective breathing mask |
| IL83881A IL83881A (en) | 1987-06-11 | 1987-09-13 | Protective breathing mask |
| EP88108840A EP0294707A3 (de) | 1987-06-11 | 1988-06-02 | Atemschutzmaske |
| NO882497A NO882497L (no) | 1987-06-11 | 1988-06-07 | Pustevernmaske. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873719420 DE3719420A1 (de) | 1987-06-11 | 1987-06-11 | Atemschutzmaske |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3719420A1 DE3719420A1 (de) | 1988-12-29 |
| DE3719420C2 true DE3719420C2 (https=) | 1991-06-06 |
Family
ID=6329450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873719420 Granted DE3719420A1 (de) | 1987-06-11 | 1987-06-11 | Atemschutzmaske |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4883052A (https=) |
| EP (1) | EP0294707A3 (https=) |
| DE (1) | DE3719420A1 (https=) |
| IL (1) | IL83881A (https=) |
| NO (1) | NO882497L (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19610880C2 (de) * | 1995-08-15 | 2001-02-22 | Inst Umwelttechnologie Und Umw | Filter als Mundschutz |
| DE10152785A1 (de) * | 2001-04-24 | 2002-11-07 | Ulrich Lersch | Atemluftfilter |
| DE102007060099A1 (de) * | 2007-12-13 | 2009-08-27 | Incel, Yüksel | Filterelement |
| RU201317U1 (ru) * | 2020-06-02 | 2020-12-09 | Акционерное общество «Тонус» | Маска медицинская |
Families Citing this family (83)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5150703A (en) | 1987-10-02 | 1992-09-29 | Tecnol Medical Products, Inc. | Liquid shield visor for a surgical mask with a bottom notch to reduce glare |
| US5275154A (en) * | 1988-04-22 | 1994-01-04 | Bluecher Hasso Von | Activated charcoal filter layer for gas masks |
| DE3813564C2 (de) * | 1988-04-22 | 1997-11-06 | Hasso Von Bluecher | Aktivkohlefilterschicht für Gasmasken |
| DE3813562C2 (de) * | 1988-04-22 | 1997-11-27 | Hasso Von Bluecher | Aktivkohlefilterschicht für Gasmasken |
| US4886058A (en) * | 1988-05-17 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Filter element |
| GR1001027B (el) * | 1989-04-07 | 1993-03-31 | Johnson & Johnson Medical | Βελτιωμενο μεσο φιλτραρισματος και μασκα καλυψεως προσωπου η οποια περιλαμβανει αυτο. |
| GB2236681B (en) * | 1989-10-12 | 1992-04-22 | Harry Cole | Respiratory protection device |
| WO1991008829A1 (en) * | 1989-12-18 | 1991-06-27 | W.L. Gore & Associates, Inc. | New filter media for use in surgical and clean room masks |
| USD326541S (en) | 1990-10-23 | 1992-05-26 | Mcbrearty Jr Edward M | Face mask |
| CA2104579A1 (en) * | 1991-05-14 | 1992-11-15 | Janus Adriaan Van't Oosten | Filter |
| US5312667A (en) * | 1991-05-23 | 1994-05-17 | Malden Mills Industries, Inc. | Composite sweatshirt fabric |
| US5394867A (en) * | 1991-06-05 | 1995-03-07 | Brookdale International Systems Inc. | Personal disposable emergency breathing system with dual air supply |
| US5186165A (en) * | 1991-06-05 | 1993-02-16 | Brookdale International Systems Inc. | Filtering canister with deployable hood and mouthpiece |
| GB9214716D0 (en) * | 1992-07-10 | 1992-08-19 | Emmark Technology | Tracheostomy filter |
| DE4241605A1 (de) * | 1992-12-10 | 1994-06-16 | Hasso Von Bluecher | Adsorptionsfilter |
| US5765556A (en) * | 1992-12-16 | 1998-06-16 | Tecnol Medical Products, Inc. | Disposable aerosol mask with face shield |
| US5636628A (en) * | 1993-05-25 | 1997-06-10 | Barnum; Dennis | Mask for disguising or counteracting odors |
| RU2130521C1 (ru) * | 1993-08-17 | 1999-05-20 | Миннесота Майнинг Энд Мэнюфекчуринг Компани | Способ электризации нетканого полотна, электретная фильтрующая среда, упругая фильтрующая маска и респираторная маска в сборе |
| USD366697S (en) | 1993-10-04 | 1996-01-30 | Tecnol Medical Products, Inc. | Combined molded cone style face mask and visor |
| US5553608A (en) * | 1994-07-20 | 1996-09-10 | Tecnol Medical Products, Inc. | Face mask with enhanced seal and method |
| US6055982A (en) * | 1993-12-15 | 2000-05-02 | Kimberly-Clark Worldwide, Inc. | Disposable face mask with enhanced fluid barrier |
| US5724964A (en) * | 1993-12-15 | 1998-03-10 | Tecnol Medical Products, Inc. | Disposable face mask with enhanced fluid barrier |
| CA2124237C (en) | 1994-02-18 | 2004-11-02 | Bernard Cohen | Improved nonwoven barrier and method of making the same |
| CA2136576C (en) | 1994-06-27 | 2005-03-08 | Bernard Cohen | Improved nonwoven barrier and method of making the same |
| US5699792A (en) | 1994-07-20 | 1997-12-23 | Tecnol Medical Products, Inc. | Face mask with enhanced facial seal |
| US5467765A (en) * | 1994-10-06 | 1995-11-21 | Maturaporn; Thawatchai | Disposable face mask with multiple liquid resistant layers |
| AU4961696A (en) | 1994-12-08 | 1996-06-26 | Kimberly-Clark Worldwide, Inc. | Method of forming a particle size gradient in an absorbent article |
| CA2153278A1 (en) | 1994-12-30 | 1996-07-01 | Bernard Cohen | Nonwoven laminate barrier material |
| WO1996022823A1 (en) * | 1995-01-27 | 1996-08-01 | Mine Safety Appliances Company | Respirator filter system |
| US5735270A (en) * | 1995-06-06 | 1998-04-07 | Bayer; Robert T. | Disposable face mask |
| US5706803A (en) * | 1995-06-06 | 1998-01-13 | Bayer; Robert T. | Disposable face mask and method of manufacture |
| ZA965786B (en) | 1995-07-19 | 1997-01-27 | Kimberly Clark Co | Nonwoven barrier and method of making the same |
| GB9515213D0 (en) * | 1995-07-25 | 1995-09-20 | Kaptex Healthcare Limited | Filter assembly |
| US5834384A (en) | 1995-11-28 | 1998-11-10 | Kimberly-Clark Worldwide, Inc. | Nonwoven webs with one or more surface treatments |
| US5817584A (en) * | 1995-12-22 | 1998-10-06 | Kimberly-Clark Worldwide, Inc. | High efficiency breathing mask fabrics |
| US5706804A (en) * | 1996-10-01 | 1998-01-13 | Minnesota Mining And Manufacturing Company | Liquid resistant face mask having surface energy reducing agent on an intermediate layer therein |
| EP1058505A1 (en) * | 1997-01-31 | 2000-12-13 | Tecnol Medical Products, Inc. | Non-particulating and low particulating disposable products for use in clean room environments |
| US5732695A (en) * | 1997-03-11 | 1998-03-31 | Parmelee Industries | Respirator filtration device |
| US5935426A (en) | 1997-08-08 | 1999-08-10 | Teledyne Industries, Inc., A California Corporation | Water treatment device with volumetric and time monitoring features |
| US6537932B1 (en) | 1997-10-31 | 2003-03-25 | Kimberly-Clark Worldwide, Inc. | Sterilization wrap, applications therefor, and method of sterilizing |
| US6102039A (en) | 1997-12-01 | 2000-08-15 | 3M Innovative Properties Company | Molded respirator containing sorbent particles |
| US6365088B1 (en) | 1998-06-26 | 2002-04-02 | Kimberly-Clark Worldwide, Inc. | Electret treatment of high loft and low density nonwoven webs |
| US7560399B2 (en) * | 1998-08-28 | 2009-07-14 | Mmi-Ipco, Llc | Multi-layer composite fabric garment |
| US6357440B1 (en) * | 1999-06-16 | 2002-03-19 | Mallinckrodt Inc. | Pliable respiratory mask |
| US6412486B1 (en) | 1999-07-09 | 2002-07-02 | Leonard W. Glass | Disposable filtering face mask and method of making same |
| JP2003506203A (ja) * | 1999-08-06 | 2003-02-18 | エムハーベー フィルトラツィオーン ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | 流体から固形成分、粒子状成分及びガス状成分を分離するためのフィルタ材料 |
| GB0005723D0 (en) * | 2000-03-09 | 2000-05-03 | Protector Technologies Bv | Disposable breathing mask |
| US6427693B1 (en) * | 2000-05-01 | 2002-08-06 | Kimberly-Clark Worldwide, Inc. | Face mask structure |
| JP2004535279A (ja) * | 2001-04-24 | 2004-11-25 | ラーシュ，ウルリッチ | 吸気エアフィルター |
| US6742518B2 (en) * | 2002-04-01 | 2004-06-01 | Wen-Tsung Chang | Respirator filter |
| EP1556731A4 (en) * | 2002-10-07 | 2011-03-16 | Arena Ind Llc | ELECTROSTATICALLY FILTERED GLASSES |
| US6736137B1 (en) | 2003-02-28 | 2004-05-18 | Tmr-A, Llc | Protective hooded respirator with oral-nasal cup breathing interface |
| US20050120452A1 (en) * | 2003-08-11 | 2005-06-09 | Cominsky John C. | Facial weather and element protection cover |
| USD533622S1 (en) | 2003-10-01 | 2006-12-12 | Water Pik, Inc. | End-of-faucet filter |
| US7326334B2 (en) | 2003-10-01 | 2008-02-05 | Instapure Brands, Inc. | End-of-faucet filter |
| SG115600A1 (en) * | 2003-12-31 | 2005-10-28 | Megatech Scientific Pte Ltd | Respiratory mask with inserted spacer |
| US6997179B1 (en) | 2004-01-13 | 2006-02-14 | Essex Pb&R Corporation | Protective hood |
| ITPS20040007A1 (it) * | 2004-02-18 | 2004-05-18 | Cl Com Advanced Tecnology Srl | Maschera di protezione contro gli agenti biologici |
| US20050241479A1 (en) * | 2004-04-28 | 2005-11-03 | Foamex L.P. | Filter materials for absorbing hydrocarbons |
| US7597745B2 (en) * | 2004-04-28 | 2009-10-06 | Foamex Innovations Operating Company | Filter materials for adsorbing hydrocarbons |
| CZ2005700A3 (cs) * | 2005-11-10 | 2007-03-07 | Elmarco, S. R. O. | Filtr pro odstranování fyzikálních a/nebo biologických necistot |
| EP2063723A1 (en) * | 2006-07-18 | 2009-06-03 | Glaxo Group Limited | Anti-viral face mask and filter material |
| US8567391B2 (en) * | 2006-10-10 | 2013-10-29 | Furrex Co., Ltd. | Heat and moisture exchanger, heat and moisture exchanging device, and mask |
| US7615092B2 (en) * | 2006-10-16 | 2009-11-10 | Dougherty William J | Filtering mask |
| US7520923B2 (en) * | 2007-03-22 | 2009-04-21 | Mvp Textiles & Apparel, Inc. | Antimicrobial filtration article |
| US8056560B2 (en) * | 2007-05-14 | 2011-11-15 | Timothy Andrew Wilcox | Universal dust mask/filter for ATV and dirt bike riders, method of making and method of using |
| US20090114228A1 (en) * | 2007-11-01 | 2009-05-07 | Garry William Kirschner | Disposable outdoors mask and method of use |
| CA2616104C (en) * | 2007-12-04 | 2009-08-25 | Michael Quinn | Cough catcher with protection against germ transmission by hand contact |
| JP2012512743A (ja) | 2008-12-18 | 2012-06-07 | スリーエム イノベイティブ プロパティズ カンパニー | 付形した粒子含有不織布ウェブを利用するフィルタ要素 |
| WO2010071739A1 (en) * | 2008-12-18 | 2010-06-24 | 3M Innovative Properties Company | Shaped layered particle-containing nonwoven web |
| KR20110137291A (ko) * | 2009-01-11 | 2011-12-22 | 휴미드 미드 테크놀로지 (피티와이) 리미티드 | 가습 안면 마스크 |
| US9901128B2 (en) * | 2009-12-24 | 2018-02-27 | David A. Gray | Antimicrobial apparel and fabric and coverings |
| US9913998B2 (en) * | 2011-03-10 | 2018-03-13 | Adc Tech International Ltd | Air purifier having an electret module |
| DE102011015723B4 (de) | 2011-03-31 | 2019-09-26 | Dräger Safety AG & Co. KGaA | Sorbierendes Granulat, Verwendung und Verfahren zur Verfestigung eines sorbierenden Granulats |
| CN106465970B (zh) * | 2015-11-13 | 2019-04-02 | 左曙光 | 防尘口罩 |
| US20180000173A1 (en) * | 2016-06-29 | 2018-01-04 | Garry Tsaur | Mask With a Sound-transmitting Structure |
| TWI602518B (zh) * | 2016-07-12 | 2017-10-21 | 張煥禎 | 吸音裝置 |
| GB2572800B (en) * | 2018-04-11 | 2020-04-22 | Leighton Cooper Adam | Breathing mask |
| TWI664001B (zh) * | 2018-09-20 | 2019-07-01 | 碩晨生醫股份有限公司 | 口罩 |
| SG11202104824UA (en) | 2018-11-26 | 2021-06-29 | Fisher & Paykel Healthcare Ltd | Diffuser for a component of a respiratory therapy system |
| DE102021000354B4 (de) | 2020-03-20 | 2023-12-21 | Kastriot Merlaku | Atemschutz- oder Mundschutz-Masken-Filter mit UV-Strahlen- oder Lichtstrahl-Technik |
| US20210329995A1 (en) * | 2020-04-24 | 2021-10-28 | BendShape Mask, LLC | Conforming mask and seal assessment system |
| CN115679550A (zh) * | 2021-07-28 | 2023-02-03 | 武汉格物感知信息科技有限公司 | 一种全光谱反射口罩 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE280414C (https=) * | 1900-01-01 | |||
| FR825960A (fr) * | 1936-12-04 | 1938-03-18 | Procedes Ecla Soc D | Perfectionnements aux systèmes d'attache des appareils de protection contre les gaz |
| DE891795C (de) * | 1939-12-10 | 1953-10-01 | Auergesellschaft Ag | Gasschutzmaske mit nach aussen ragendem Abdichtungsrahmen |
| DE2400827C3 (de) * | 1974-01-09 | 1982-02-18 | Hasso von 4000 Düsseldorf Blücher | Filtermaterial aus offenporigem Polyurethanschaumstoff als Trägermaterial und Aktivkohle und Verfahren zu dessen Herstellung |
| US3971373A (en) * | 1974-01-21 | 1976-07-27 | Minnesota Mining And Manufacturing Company | Particle-loaded microfiber sheet product and respirators made therefrom |
| US4098270A (en) * | 1976-10-26 | 1978-07-04 | Bbdm, Inc. | Smoke mask apparatus |
| DE2804154C2 (de) * | 1978-01-31 | 1984-04-19 | Blücher, Hasso von, 4000 Düsseldorf | Filtermaterial sowie Verfahren und Vorrichtung zu seiner Herstellung |
| US4215682A (en) * | 1978-02-06 | 1980-08-05 | Minnesota Mining And Manufacturing Company | Melt-blown fibrous electrets |
| GB1588442A (en) * | 1978-04-18 | 1981-04-23 | Secr Defence | Face masks |
| FR2433952A1 (fr) * | 1978-08-22 | 1980-03-21 | Seplast Sa | Masque filtrant a double paroi |
| DE2927287B2 (de) * | 1979-07-06 | 1981-05-21 | HELSA - Werke Helmut Sandler & Co, 8586 Gefrees | Mehrlagiges Filtermaterial mit mindestens einer Lage eines offenporigen Schaumstoffes |
| FR2480807A1 (fr) * | 1980-04-18 | 1981-10-23 | Seplast Sa | Procede de traitement superficiel d'une couche filtrante fibreuse, non tissee et tres aeree, formant electret et son application aux filtres et aux masques respiratoires notamment |
| GB2077112B (en) * | 1980-06-09 | 1985-03-13 | Metric Prod Inc | Face mask |
| US4643182A (en) * | 1983-04-20 | 1987-02-17 | Max Klein | Disposable protective mask |
| DE3337031A1 (de) * | 1983-10-12 | 1985-09-05 | Fa. Carl Freudenberg, 6940 Weinheim | Chirurgische gesichtsmaske |
| DE3434357A1 (de) * | 1984-09-19 | 1986-03-20 | Günter 6465 Biebergemünd Hartig | Partikel filtrierende halbmaske |
| US4600002A (en) * | 1984-10-24 | 1986-07-15 | American Optical Corporation | Disposable respirator |
| DE3507486C2 (de) * | 1985-03-02 | 1987-01-02 | Drägerwerk AG, 2400 Lübeck | Kohlenstoffmonoxid-Atemluftfilter |
| GB2176404B (en) * | 1985-06-13 | 1988-07-27 | Od G Univ Im I I Mechnikova | Respirator |
-
1987
- 1987-06-11 DE DE19873719420 patent/DE3719420A1/de active Granted
- 1987-09-11 US US07/095,816 patent/US4883052A/en not_active Expired - Fee Related
- 1987-09-13 IL IL83881A patent/IL83881A/xx not_active IP Right Cessation
-
1988
- 1988-06-02 EP EP88108840A patent/EP0294707A3/de not_active Withdrawn
- 1988-06-07 NO NO882497A patent/NO882497L/no unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19610880C2 (de) * | 1995-08-15 | 2001-02-22 | Inst Umwelttechnologie Und Umw | Filter als Mundschutz |
| DE10152785A1 (de) * | 2001-04-24 | 2002-11-07 | Ulrich Lersch | Atemluftfilter |
| DE102007060099A1 (de) * | 2007-12-13 | 2009-08-27 | Incel, Yüksel | Filterelement |
| RU201317U1 (ru) * | 2020-06-02 | 2020-12-09 | Акционерное общество «Тонус» | Маска медицинская |
Also Published As
| Publication number | Publication date |
|---|---|
| NO882497D0 (no) | 1988-06-07 |
| NO882497L (no) | 1988-12-12 |
| IL83881A (en) | 1992-11-15 |
| US4883052A (en) | 1989-11-28 |
| EP0294707A3 (de) | 1990-05-09 |
| IL83881A0 (en) | 1988-02-29 |
| DE3719420A1 (de) | 1988-12-29 |
| EP0294707A2 (de) | 1988-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8339 | Ceased/non-payment of the annual fee |