CA3042025A1 - Respirator including reinforcing element - Google Patents
Respirator including reinforcing element Download PDFInfo
- Publication number
- CA3042025A1 CA3042025A1 CA3042025A CA3042025A CA3042025A1 CA 3042025 A1 CA3042025 A1 CA 3042025A1 CA 3042025 A CA3042025 A CA 3042025A CA 3042025 A CA3042025 A CA 3042025A CA 3042025 A1 CA3042025 A1 CA 3042025A1
- Authority
- CA
- Canada
- Prior art keywords
- mask body
- respirator
- reinforcing element
- perimeter
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 100
- 238000001914 filtration Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims description 33
- 238000005452 bending Methods 0.000 claims description 21
- 230000035699 permeability Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 40
- 239000000835 fiber Substances 0.000 description 36
- -1 polypropylene Polymers 0.000 description 33
- 239000004743 Polypropylene Substances 0.000 description 23
- 229920001155 polypropylene Polymers 0.000 description 22
- 239000003570 air Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 17
- 239000002245 particle Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000003466 welding Methods 0.000 description 10
- 239000000356 contaminant Substances 0.000 description 8
- 229920001410 Microfiber Polymers 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000003658 microfiber Substances 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000002594 sorbent Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011116 polymethylpentene Substances 0.000 description 2
- 229920000306 polymethylpentene Polymers 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920001247 Reticulated foam Polymers 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000443 aerosol Substances 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 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
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000012873 virucide Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
- A62B18/025—Halfmasks
-
- 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
-
- 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
- A41D13/113—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a vertical fold or weld
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/30—Non-woven
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)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662414036P | 2016-10-28 | 2016-10-28 | |
| US62/414,036 | 2016-10-28 | ||
| PCT/US2017/058227 WO2018081227A1 (en) | 2016-10-28 | 2017-10-25 | Respirator including reinforcing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3042025A1 true CA3042025A1 (en) | 2018-05-03 |
Family
ID=60263137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3042025A Abandoned CA3042025A1 (en) | 2016-10-28 | 2017-10-25 | Respirator including reinforcing element |
Country Status (11)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD949325S1 (en) * | 2018-07-11 | 2022-04-19 | 3M Innovative Properties Company | Respirator |
| IT202000009118A1 (it) * | 2020-04-27 | 2021-10-27 | Motordesign Modena S R L | Procedimento per la produzione di manufatti in materiale composito |
| DE102022107694B4 (de) | 2022-03-31 | 2025-07-10 | Dräger Safety AG & Co. KGaA | Verfahren und Fertigungsanlage zur Herstellung einer Abfolge von Atemschutzmasken |
| WO2023200021A1 (ko) * | 2022-04-12 | 2023-10-19 | 주식회사 에버그린 | 마스크 |
| WO2024207088A1 (pt) * | 2023-04-05 | 2024-10-10 | Srs Serviços Relacionados A Saude Ltda | Reforço para máscara de guarda segura e saque rápido |
Family Cites Families (70)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3971373A (en) | 1974-01-21 | 1976-07-27 | Minnesota Mining And Manufacturing Company | Particle-loaded microfiber sheet product and respirators made therefrom |
| US4013816A (en) | 1975-11-20 | 1977-03-22 | Draper Products, Inc. | Stretchable spun-bonded polyolefin web |
| NL181632C (nl) | 1976-12-23 | 1987-10-01 | Minnesota Mining & Mfg | Electreetfilter en werkwijze voor het vervaardigen daarvan. |
| US4215682A (en) | 1978-02-06 | 1980-08-05 | Minnesota Mining And Manufacturing Company | Melt-blown fibrous electrets |
| US4588537A (en) | 1983-02-04 | 1986-05-13 | Minnesota Mining And Manufacturing Company | Method for manufacturing an electret filter medium |
| US4536440A (en) | 1984-03-27 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Molded fibrous filtration products |
| US5237986A (en) | 1984-09-13 | 1993-08-24 | Minnesota Mining And Manufacturing Company | Respirator harness assembly |
| US4807619A (en) | 1986-04-07 | 1989-02-28 | Minnesota Mining And Manufacturing Company | Resilient shape-retaining fibrous filtration face mask |
| GB8612070D0 (en) | 1986-05-19 | 1986-06-25 | Brown R C | Blended-fibre filter material |
| US4790306A (en) | 1987-09-25 | 1988-12-13 | Minnesota Mining And Manufacturing Company | Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making |
| US5307796A (en) | 1990-12-20 | 1994-05-03 | Minnesota Mining And Manufacturing Company | Methods of forming fibrous filtration face masks |
| WO1993024181A1 (en) | 1992-05-29 | 1993-12-09 | Minnesota Mining And Manufacturing Company | Unidirectional fluid valve |
| US7117868B1 (en) | 1992-05-29 | 2006-10-10 | 3M Innovative Properties Company | Fibrous filtration face mask having a new unidirectional fluid valve |
| US5325892A (en) | 1992-05-29 | 1994-07-05 | Minnesota Mining And Manufacturing Company | Unidirectional fluid valve |
| US5753343A (en) | 1992-08-04 | 1998-05-19 | Minnesota Mining And Manufacturing Company | Corrugated nonwoven webs of polymeric microfiber |
| EP0714463B1 (en) | 1993-08-17 | 1999-03-10 | Minnesota Mining And Manufacturing Company | Method of charging electret filter media |
| US5464010A (en) | 1993-09-15 | 1995-11-07 | Minnesota Mining And Manufacturing Company | Convenient "drop-down" respirator harness structure and method of use |
| EP0785733B1 (en) | 1994-10-13 | 1999-12-01 | Minnesota Mining And Manufacturing Company | Respirator nose clip |
| USD412573S (en) | 1994-10-14 | 1999-08-03 | 3M Innovative Properties Company | Nose clip for a filtering face mask |
| US6277178B1 (en) | 1995-01-20 | 2001-08-21 | 3M Innovative Properties Company | Respirator and filter cartridge |
| US5579761A (en) | 1995-01-20 | 1996-12-03 | Minnesota Mining And Manufacturing Company | Respirator having snap-fit filter cartridge |
| US6568392B1 (en) | 1995-09-11 | 2003-05-27 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
| HU222527B1 (hu) | 1995-03-09 | 2003-08-28 | Minnesota Mining And Manufacturing Co. | Laposra hajtogatott légszűrő eszközt képező arcmaszk, és eljárás annak gyártására |
| WO1996028216A1 (en) | 1995-03-09 | 1996-09-19 | Minnesota Mining And Manufacturing Company | Fold flat respirators and processes for preparing same |
| GB9515986D0 (en) | 1995-08-04 | 1995-10-04 | Racal Health & Safety Ltd | Uni-directional fluid valve |
| US5908598A (en) | 1995-08-14 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Fibrous webs having enhanced electret properties |
| US5696199A (en) | 1995-12-07 | 1997-12-09 | Minnesota Mining And Manufacturing Company | Pressure-sensitive adhesive polyacrylate polymer and method of making |
| US5724677A (en) | 1996-03-08 | 1998-03-10 | Minnesota Mining And Manufacturing Company | Multi-part headband and respirator mask assembly and process for making same |
| US6041782A (en) | 1997-06-24 | 2000-03-28 | 3M Innovative Properties Company | Respiratory mask having comfortable inner cover web |
| US6062221A (en) | 1997-10-03 | 2000-05-16 | 3M Innovative Properties Company | Drop-down face mask assembly |
| US6732733B1 (en) | 1997-10-03 | 2004-05-11 | 3M Innovative Properties Company | Half-mask respirator with head harness assembly |
| US6102039A (en) | 1997-12-01 | 2000-08-15 | 3M Innovative Properties Company | Molded respirator containing sorbent particles |
| US6432175B1 (en) | 1998-07-02 | 2002-08-13 | 3M Innovative Properties Company | Fluorinated electret |
| US6139308A (en) | 1998-10-28 | 2000-10-31 | 3M Innovative Properties Company | Uniform meltblown fibrous web and methods and apparatus for manufacturing |
| US6394090B1 (en) | 1999-02-17 | 2002-05-28 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
| US6375886B1 (en) | 1999-10-08 | 2002-04-23 | 3M Innovative Properties Company | Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid |
| US6406657B1 (en) | 1999-10-08 | 2002-06-18 | 3M Innovative Properties Company | Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid |
| US6454986B1 (en) | 1999-10-08 | 2002-09-24 | 3M Innovative Properties Company | Method of making a fibrous electret web using a nonaqueous polar liquid |
| US6743464B1 (en) | 2000-04-13 | 2004-06-01 | 3M Innovative Properties Company | Method of making electrets through vapor condensation |
| US6883518B2 (en) | 2001-06-25 | 2005-04-26 | 3M Innovative Properties Company | Unidirectional respirator valve |
| USD467656S1 (en) | 2001-06-25 | 2002-12-24 | 3M Innovative Properties Company | Respirator facemask |
| USD471627S1 (en) | 2001-06-25 | 2003-03-11 | 3M Innovative Properties Company | Respirator facemask assembly |
| US7028689B2 (en) | 2001-11-21 | 2006-04-18 | 3M Innovative Properties Company | Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap |
| JP3719668B2 (ja) * | 2002-06-26 | 2005-11-24 | 積水化成品工業株式会社 | 布地製立体形状マスク |
| US6923182B2 (en) | 2002-07-18 | 2005-08-02 | 3M Innovative Properties Company | Crush resistant filtering face mask |
| US6874499B2 (en) | 2002-09-23 | 2005-04-05 | 3M Innovative Properties Company | Filter element that has a thermo-formed housing around filter material |
| CN1774282B (zh) * | 2003-04-17 | 2010-05-05 | 朱桦 | 扁平可折叠的面罩及其制造方法 |
| US7188622B2 (en) | 2003-06-19 | 2007-03-13 | 3M Innovative Properties Company | Filtering face mask that has a resilient seal surface in its exhalation valve |
| EP1495785A1 (en) | 2003-07-09 | 2005-01-12 | Cheng-Yuan Chien | Respirator mask |
| USD518571S1 (en) | 2003-11-07 | 2006-04-04 | 3M Innovative Properties Company | Face mask carriage |
| US8171933B2 (en) | 2005-08-25 | 2012-05-08 | 3M Innovative Properties Company | Respirator having preloaded nose clip |
| US20070068529A1 (en) | 2005-09-27 | 2007-03-29 | Suresh Kalatoor | Respirator that uses a polymeric nose clip |
| US7905973B2 (en) * | 2006-07-31 | 2011-03-15 | 3M Innovative Properties Company | Molded monocomponent monolayer respirator |
| US9770058B2 (en) | 2006-07-17 | 2017-09-26 | 3M Innovative Properties Company | Flat-fold respirator with monocomponent filtration/stiffening monolayer |
| JP4912167B2 (ja) * | 2007-01-24 | 2012-04-11 | ユニ・チャーム株式会社 | マスク、マスク用被着部材 |
| USD613850S1 (en) | 2007-07-31 | 2010-04-13 | 3M Innovative Properties Company | Respirator mask body |
| AU2008311137B2 (en) | 2007-10-09 | 2011-10-27 | 3M Innovative Properties Company | Filtering face-piece respirator having nose clip molded into the mask body |
| US8113201B2 (en) * | 2008-06-30 | 2012-02-14 | Kimberly-Clark Worldwide, Inc. | Collapse resistant respirator |
| CN201274778Y (zh) * | 2008-10-22 | 2009-07-22 | 崔利华 | 一种一次性口罩 |
| CN201349551Y (zh) * | 2009-01-22 | 2009-11-25 | 林泉源 | 立体口罩 |
| JP2011030680A (ja) * | 2009-07-31 | 2011-02-17 | Sekisui Seikei Ltd | ノーズフィッター及びそれを用いたマスク |
| USD652507S1 (en) | 2010-03-10 | 2012-01-17 | 3M Innovative Properties Company | Respirator mask body |
| US20110315144A1 (en) | 2010-06-25 | 2011-12-29 | 3M Innovative Properties Company | Respirator that has inward nose region fold with high level conformation |
| JP6188406B2 (ja) * | 2013-05-02 | 2017-08-30 | ユニ・チャーム株式会社 | 使い捨てマスク |
| JP6425403B2 (ja) * | 2014-04-14 | 2018-11-21 | スリーエム イノベイティブ プロパティズ カンパニー | 固定部材及び吸収性物品 |
| CN203952522U (zh) * | 2014-07-08 | 2014-11-26 | 山东康力医疗器械科技有限公司 | 一种密合性可折叠立体口罩 |
| BR112017007873B1 (pt) | 2014-10-16 | 2023-01-10 | 3M Innovative Properties Company | Respirador de dobra plana e método para fabricação do mesmo |
| JP2017537235A (ja) * | 2014-10-16 | 2017-12-14 | スリーエム イノベイティブ プロパティズ カンパニー | 平坦折り畳み式レスピレータ及びその作製方法 |
| US10343095B2 (en) * | 2014-12-19 | 2019-07-09 | Hollingsworth & Vose Company | Filter media comprising a pre-filter layer |
| WO2017155152A1 (ko) * | 2016-03-07 | 2017-09-14 | 주식회사네오메드 | 미세먼지제거용 마스크 |
-
2017
- 2017-10-25 MX MX2019004911A patent/MX2019004911A/es unknown
- 2017-10-25 CA CA3042025A patent/CA3042025A1/en not_active Abandoned
- 2017-10-25 WO PCT/US2017/058227 patent/WO2018081227A1/en not_active Ceased
- 2017-10-25 CN CN201780067176.0A patent/CN109922868A/zh active Pending
- 2017-10-25 BR BR112019008611A patent/BR112019008611A2/pt not_active Application Discontinuation
- 2017-10-25 EP EP17794613.4A patent/EP3532172A1/en not_active Withdrawn
- 2017-10-25 JP JP2019522677A patent/JP2019535374A/ja active Pending
- 2017-10-25 KR KR1020197015210A patent/KR20190069565A/ko not_active Withdrawn
- 2017-10-25 SG SG11201903804SA patent/SG11201903804SA/en unknown
- 2017-10-25 US US16/344,841 patent/US20210283435A1/en not_active Abandoned
-
2019
- 2019-04-26 CO CONC2019/0004188A patent/CO2019004188A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190069565A (ko) | 2019-06-19 |
| SG11201903804SA (en) | 2019-05-30 |
| WO2018081227A1 (en) | 2018-05-03 |
| EP3532172A1 (en) | 2019-09-04 |
| CO2019004188A2 (es) | 2019-05-10 |
| CN109922868A (zh) | 2019-06-21 |
| US20210283435A1 (en) | 2021-09-16 |
| MX2019004911A (es) | 2019-06-12 |
| JP2019535374A (ja) | 2019-12-12 |
| BR112019008611A2 (pt) | 2019-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12150502B2 (en) | Respirator including transversely-extending pleat and method of forming same | |
| KR102737845B1 (ko) | 형상 유지형 편평-절첩식 호흡기 | |
| US12434080B2 (en) | Foldable face-piece respirator with exhalation valve | |
| AU2013368238B2 (en) | Filtering face-piece respirator having welded indicia hidden in pleat | |
| EP2298419B1 (en) | Flat-fold filtering face-piece respirator having structural weld pattern | |
| EP2938406B1 (en) | Filtering face-piece respirator having folded flange | |
| US20180021608A1 (en) | Filtering Face-Piece Respirator And Method Of Forming Same | |
| US20170303608A1 (en) | Flat-Fold Respirator And Method Of Making Same | |
| US20170311660A1 (en) | Flat-Fold Respirator and Method of Making Same | |
| US20220047015A1 (en) | Respirator including adjustable strap and method of forming same | |
| US20210283435A1 (en) | Respirator Including Reinforcing Element | |
| EP2938407B1 (en) | Filtering face-piece respirator having rounded perimeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20230425 |
|
| FZDE | Discontinued |
Effective date: 20230425 |