DE2755966C2 - - Google Patents
Info
- Publication number
- DE2755966C2 DE2755966C2 DE2755966A DE2755966A DE2755966C2 DE 2755966 C2 DE2755966 C2 DE 2755966C2 DE 2755966 A DE2755966 A DE 2755966A DE 2755966 A DE2755966 A DE 2755966A DE 2755966 C2 DE2755966 C2 DE 2755966C2
- Authority
- DE
- Germany
- Prior art keywords
- indicator
- filter
- cartridge
- vinyl chloride
- color
- 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
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 45
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 32
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 31
- 239000012286 potassium permanganate Substances 0.000 claims description 24
- 230000000241 respiratory effect Effects 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims description 19
- 239000008187 granular material Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000178 monomer Substances 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000006071 cream Substances 0.000 claims description 2
- 238000009500 colour coating Methods 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 15
- 239000002245 particle Substances 0.000 description 9
- 239000003463 adsorbent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000003795 desorption Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect 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
- 239000000428 dust Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/088—Devices for indicating filter saturation
-
- 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
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/19—Halogen containing
- Y10T436/196666—Carbon containing compound [e.g., vinylchloride, etc.]
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/750,266 US4155358A (en) | 1976-12-13 | 1976-12-13 | Respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2755966A1 DE2755966A1 (de) | 1978-07-06 |
| DE2755966C2 true DE2755966C2 (enExample) | 1988-12-08 |
Family
ID=25017147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772755966 Granted DE2755966A1 (de) | 1976-12-13 | 1977-12-12 | Atemfilter |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4155358A (enExample) |
| CA (1) | CA1107452A (enExample) |
| DE (1) | DE2755966A1 (enExample) |
| GB (1) | GB1597979A (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326514A (en) * | 1980-06-20 | 1982-04-27 | Minnesota Mining And Manufacturing Company | Cartridge respirator with service life indicator |
| US4488547A (en) * | 1982-09-07 | 1984-12-18 | Kenneth R. Bowers, Jr. | Face mask |
| DE3445639C2 (de) * | 1984-12-14 | 1987-02-12 | Drägerwerk AG, 2400 Lübeck | Kolorimetrischer Indikator zur Anzeige des Erschöpfungszustandes von Gasfiltern |
| US5062421A (en) * | 1987-11-16 | 1991-11-05 | Minnesota Mining And Manufacturing Company | Respiratory mask having a soft, compliant facepiece and a thin, rigid insert and method of making |
| US4928687A (en) * | 1988-10-11 | 1990-05-29 | The University Of Florida | CO2 diagnostic monitor |
| US5156159A (en) * | 1988-10-11 | 1992-10-20 | University Of Florida | CO2 diagnostic monitor with rupturable container |
| CA2020503C (en) * | 1990-07-05 | 1998-11-17 | Jacques Lesage | Chemical cartridge for protective respiratory mask |
| US5212131A (en) * | 1991-02-20 | 1993-05-18 | Innovative Research Enterprises | Low pressure drop filter |
| USD339658S (en) | 1991-05-02 | 1993-09-21 | Air-Ace Oy | Respirator |
| US5383469A (en) * | 1992-01-31 | 1995-01-24 | Board Of Trustees Of The Leland Stanford Junior University | Neonatal hemolysis detection using end-tidal breath sampler and analyzer apparatus |
| TW284848B (enExample) * | 1992-06-05 | 1996-09-01 | Supelco Inc | |
| WO1995012432A1 (en) * | 1993-11-05 | 1995-05-11 | Purecab Australia Pty. Ltd. | Respiratory filter indicator |
| US6004522A (en) * | 1993-12-15 | 1999-12-21 | Purafil, Inc. | Solid filtration media incorporating elevated levels of permanganate and water |
| TW287952B (enExample) * | 1994-08-31 | 1996-10-11 | Lifepro Inc | |
| US5964218A (en) * | 1994-08-31 | 1999-10-12 | Lifepro, Inc. | Face mask with back-up smoke inhalation protection and method of operation |
| US5942323A (en) * | 1995-01-27 | 1999-08-24 | Purafil, Inc. | Fiber filter and methods of use thereof |
| NL1004343C2 (nl) * | 1996-10-23 | 1998-04-24 | Tno | Inrichting voor het uit een gas of dampmengsel wegnemen van een of meer voor de mens ongewenste stoffen of gevaarlijke stoffen, en gasmasker dat een dergelijke inrichting omvat. |
| US6186140B1 (en) | 1997-03-14 | 2001-02-13 | 3M Innovative Properties Company | Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith |
| US6152990A (en) * | 1999-02-04 | 2000-11-28 | Engelhard Corporation | Device for removing and retaining volatile compounds and method of employing the same |
| US6290713B1 (en) | 1999-08-24 | 2001-09-18 | Thomas A. Russell | Flexible illuminators for phototherapy |
| US6497756B1 (en) | 2000-09-12 | 2002-12-24 | North Safety Products, Inc. | Service life indicator for respirator cartridge |
| US6817362B2 (en) * | 2001-08-10 | 2004-11-16 | North Safety Products Inc. | Respirator |
| US6701864B2 (en) | 2001-10-03 | 2004-03-09 | Scentczar Corporation | Residual life indicator |
| ITMI20020406U1 (it) * | 2002-08-30 | 2004-02-29 | Stefanoni Roberto | Coperchio universale per pentola assorbente e filtrante vapori ed odori |
| US7897406B2 (en) * | 2002-12-20 | 2011-03-01 | Fiso Technologies Inc. | Method and sensor for detecting a chemical substance using an optically anisotropic material |
| USD518571S1 (en) | 2003-11-07 | 2006-04-04 | 3M Innovative Properties Company | Face mask carriage |
| WO2005063326A1 (en) * | 2003-12-31 | 2005-07-14 | Resmed Limited | Mask system |
| US8104472B2 (en) | 2004-03-26 | 2012-01-31 | 3M Innovative Properties Company | Non-elastomeric respirator mask that has deformable cheek portions |
| US7442237B1 (en) * | 2004-09-16 | 2008-10-28 | The United States Of America As Represented By The Secretary Of The Army | Multi-agent end-of-service-life indicator for respirator filters |
| US20060254592A1 (en) * | 2005-01-28 | 2006-11-16 | Bruce Anders | Respiratory mask |
| US7503962B2 (en) * | 2005-12-16 | 2009-03-17 | Attar Amir J | End of service and residual life indicator |
| US20100224199A1 (en) * | 2006-05-01 | 2010-09-09 | Kimberly-Clark Worldwide, Inc. | Respirator |
| US20070251522A1 (en) * | 2006-05-01 | 2007-11-01 | Welchel Debra N | Respirator with exhalation vents |
| US8067110B2 (en) * | 2006-09-11 | 2011-11-29 | 3M Innovative Properties Company | Organic vapor sorbent protective device with thin-film indicator |
| US9642403B2 (en) * | 2007-08-16 | 2017-05-09 | Kimberly-Clark Worldwide, Inc. | Strap fastening system for a disposable respirator providing improved donning |
| US20090044811A1 (en) * | 2007-08-16 | 2009-02-19 | Kimberly-Clark Worldwide, Inc. | Vent and strap fastening system for a disposable respirator providing improved donning |
| US20090044809A1 (en) * | 2007-08-16 | 2009-02-19 | Kimberly-Clark Worldwide, Inc. | Vent and strap fastening system for a disposable respirator |
| US8328903B2 (en) * | 2008-05-30 | 2012-12-11 | Scott Technologies, Inc. | Determining effluent concentration profiles and service lives of air purifying respirator cartridges |
| KR101544633B1 (ko) * | 2008-06-30 | 2015-08-17 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 노출 표시 장치 |
| US7860662B2 (en) * | 2008-12-17 | 2010-12-28 | Scott Technologies, Inc. | Systems and methods for determining filter service lives |
| EP2553436B1 (en) * | 2010-04-02 | 2020-03-04 | 3M Innovative Properties Company | Filter systems including optical analyte sensors and optical readers |
| WO2011156609A2 (en) | 2010-06-09 | 2011-12-15 | Cummins Filtration Ip Inc. | System for monitoring and indicating filter life |
| US8534123B2 (en) | 2010-06-17 | 2013-09-17 | Cummins Filtration Ip Inc. | Engine air filter replacement indication system |
| CN103068465B (zh) | 2010-08-06 | 2017-08-29 | 斯科特科技股份有限公司 | 通过可重复使用的传感器柱将化学和环境感应器集成到空气净化过滤器内的方法和装置 |
| CN107064414A (zh) | 2010-09-23 | 2017-08-18 | 3M创新有限公司 | 用于气体介质的多孔化学指示物 |
| US9011584B2 (en) | 2011-08-25 | 2015-04-21 | Honeywell International Inc. | End of service life indicator for respirator |
| US9192795B2 (en) | 2011-10-07 | 2015-11-24 | Honeywell International Inc. | System and method of calibration in a powered air purifying respirator |
| US9808656B2 (en) | 2012-01-09 | 2017-11-07 | Honeywell International Inc. | System and method of oxygen deficiency warning in a powered air purifying respirator |
| US10926051B2 (en) * | 2012-09-21 | 2021-02-23 | Innomed Healthscience, Inc. | Respiratory interface |
| KR20150131279A (ko) | 2013-03-15 | 2015-11-24 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 층상 필터 카트리지용 사용 수명 종료 표시 시스템 |
| JP2016537141A (ja) * | 2013-12-20 | 2016-12-01 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | 患者インタフェース |
| USD746439S1 (en) | 2013-12-30 | 2015-12-29 | Kimberly-Clark Worldwide, Inc. | Combination valve and buckle set for disposable respirators |
| CN107072338A (zh) | 2014-09-05 | 2017-08-18 | 霍尼韦尔国际公司 | 一次性面罩的寿命终止指示器 |
| USD760378S1 (en) * | 2015-01-30 | 2016-06-28 | 3M Innovative Properties Company | Respirator mask face seal |
| US11235181B2 (en) * | 2020-06-05 | 2022-02-01 | The Government of the United States of America, as represented by the Secretary of Homeland Security | Breathable respirator mask with multiple layered filters |
| US20210393997A1 (en) * | 2020-06-19 | 2021-12-23 | Msa Technology, Llc | Respirator mask with exhalation filter |
| CN117321645A (zh) | 2021-06-18 | 2023-12-29 | 米沃奇电动工具公司 | 禁区系统 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1789262A (en) * | 1928-03-15 | 1931-01-13 | Monro Randolph | Canister |
| US2665686A (en) * | 1952-03-17 | 1954-01-12 | Edwin E Wood | Face mask |
| US3615233A (en) * | 1969-07-28 | 1971-10-26 | Chemetron Corp | Disposable carbon dioxide absorber |
| US3902485A (en) * | 1974-02-08 | 1975-09-02 | Richard A Wallace | Chemically activated warning system |
| US3966440A (en) * | 1975-06-03 | 1976-06-29 | Catalyst Research Corporation | Colorimetric vinyl chloride indicator |
-
1976
- 1976-12-13 US US05/750,266 patent/US4155358A/en not_active Expired - Lifetime
-
1977
- 1977-10-27 CA CA289,674A patent/CA1107452A/en not_active Expired
- 1977-12-12 GB GB51682/77A patent/GB1597979A/en not_active Expired
- 1977-12-12 DE DE19772755966 patent/DE2755966A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4155358A (en) | 1979-05-22 |
| CA1107452A (en) | 1981-08-25 |
| DE2755966A1 (de) | 1978-07-06 |
| GB1597979A (en) | 1981-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |