DE2758603A1 - Indikator und verfahren zum feststellen der erschoepfung von atemgeraetpatronen zum entfernen organischer daempfe - Google Patents
Indikator und verfahren zum feststellen der erschoepfung von atemgeraetpatronen zum entfernen organischer daempfeInfo
- Publication number
- DE2758603A1 DE2758603A1 DE19772758603 DE2758603A DE2758603A1 DE 2758603 A1 DE2758603 A1 DE 2758603A1 DE 19772758603 DE19772758603 DE 19772758603 DE 2758603 A DE2758603 A DE 2758603A DE 2758603 A1 DE2758603 A1 DE 2758603A1
- Authority
- DE
- Germany
- Prior art keywords
- indicator
- breathing device
- cartridge
- color
- sleeve
- 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.)
- Ceased
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims description 17
- 239000007789 gas Substances 0.000 claims description 25
- 239000002594 sorbent Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 2
- OGWHGZHRSNQIHH-UHFFFAOYSA-L [Na+].[K+].O[Cr](=O)(=O)O[Cr](O)(=O)=O.[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O Chemical compound [Na+].[K+].O[Cr](=O)(=O)O[Cr](O)(=O)=O.[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O OGWHGZHRSNQIHH-UHFFFAOYSA-L 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- AGGKEGLBGGJEBZ-UHFFFAOYSA-N tetramethylenedisulfotetramine Chemical compound C1N(S2(=O)=O)CN3S(=O)(=O)N1CN2C3 AGGKEGLBGGJEBZ-UHFFFAOYSA-N 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000241 respiratory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VRDIULHPQTYCLN-UHFFFAOYSA-N Prothionamide Chemical compound CCCC1=CC(C(N)=S)=CC=N1 VRDIULHPQTYCLN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 description 1
- XTXKFHTXNIJXFR-UHFFFAOYSA-N disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;hydrate Chemical compound O.[Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O XTXKFHTXNIJXFR-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000011734 sodium Substances 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
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile 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
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 Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75710577A | 1977-01-05 | 1977-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2758603A1 true DE2758603A1 (de) | 1978-07-20 |
Family
ID=25046371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772758603 Ceased DE2758603A1 (de) | 1977-01-05 | 1977-12-27 | Indikator und verfahren zum feststellen der erschoepfung von atemgeraetpatronen zum entfernen organischer daempfe |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS5385993A (enExample) |
| BR (1) | BR7800046A (enExample) |
| CA (1) | CA1100419A (enExample) |
| DE (1) | DE2758603A1 (enExample) |
| GB (1) | GB1554542A (enExample) |
| HK (1) | HK22181A (enExample) |
Cited By (7)
| 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 |
| US4365627A (en) * | 1980-09-22 | 1982-12-28 | The Dow Chemical Company | Filter-type respirator canister |
| FR2526166A1 (fr) * | 1982-04-28 | 1983-11-04 | Mine Safety Appliances Co | Dispositif respiratoire muni d'un indicateur d'humidite irreversible |
| US4805608A (en) * | 1986-03-27 | 1989-02-21 | Dragerwerk Aktiengesellschaft | Breathing apparatus |
| WO1994019056A1 (de) * | 1993-02-27 | 1994-09-01 | Paul Hartmann Ag | Atemschutzelement |
| RU2108821C1 (ru) * | 1994-09-13 | 1998-04-20 | Войсковая часть 20914 | Регенеративный патрон |
| 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 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3445639C2 (de) * | 1984-12-14 | 1987-02-12 | Drägerwerk AG, 2400 Lübeck | Kolorimetrischer Indikator zur Anzeige des Erschöpfungszustandes von Gasfiltern |
| US4886058A (en) * | 1988-05-17 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Filter element |
| US5634426A (en) * | 1995-02-22 | 1997-06-03 | Tomlinson; Bruce | Absorption depletion indicators for anesthetic gas administration systems |
| US8955515B2 (en) * | 2009-10-23 | 2015-02-17 | 3M Innovative Properties Company | Patterned chemical sensor having inert occluding layer |
| 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 |
| CN105102103B (zh) | 2013-03-15 | 2017-08-18 | 3M创新有限公司 | 用于分层滤筒的使用寿命终点指示系统 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1725893A (en) * | 1924-12-05 | 1929-08-27 | Mine Safety Appliances Co | Indicating gas-mask canister |
| DE2623065A1 (de) * | 1975-06-03 | 1976-12-23 | Mine Safety Appliances Co | Behaelter zur entfernung von in der atemluft enthaltenen organovinylverbindungen |
-
1977
- 1977-12-20 CA CA293,496A patent/CA1100419A/en not_active Expired
- 1977-12-27 JP JP15675977A patent/JPS5385993A/ja active Pending
- 1977-12-27 DE DE19772758603 patent/DE2758603A1/de not_active Ceased
-
1978
- 1978-01-03 GB GB7178A patent/GB1554542A/en not_active Expired
- 1978-01-04 BR BR7800046A patent/BR7800046A/pt unknown
-
1981
- 1981-05-21 HK HK22181A patent/HK22181A/xx unknown
-
1986
- 1986-07-09 JP JP10436686U patent/JPS6218156U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1725893A (en) * | 1924-12-05 | 1929-08-27 | Mine Safety Appliances Co | Indicating gas-mask canister |
| DE2623065A1 (de) * | 1975-06-03 | 1976-12-23 | Mine Safety Appliances Co | Behaelter zur entfernung von in der atemluft enthaltenen organovinylverbindungen |
Cited By (7)
| 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 |
| US4365627A (en) * | 1980-09-22 | 1982-12-28 | The Dow Chemical Company | Filter-type respirator canister |
| FR2526166A1 (fr) * | 1982-04-28 | 1983-11-04 | Mine Safety Appliances Co | Dispositif respiratoire muni d'un indicateur d'humidite irreversible |
| US4805608A (en) * | 1986-03-27 | 1989-02-21 | Dragerwerk Aktiengesellschaft | Breathing apparatus |
| WO1994019056A1 (de) * | 1993-02-27 | 1994-09-01 | Paul Hartmann Ag | Atemschutzelement |
| RU2108821C1 (ru) * | 1994-09-13 | 1998-04-20 | Войсковая часть 20914 | Регенеративный патрон |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| HK22181A (en) | 1981-05-29 |
| GB1554542A (en) | 1979-10-24 |
| JPS5385993A (en) | 1978-07-28 |
| CA1100419A (en) | 1981-05-05 |
| BR7800046A (pt) | 1978-08-15 |
| JPS6218156U (enExample) | 1987-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2623065C3 (de) | Kolorimetrischer Indikator zur Anzeige des Erschöpfungszustandes eines Organovinylverbindungen zurückhaltenden Filters | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: DIEHL, H., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 800 |
|
| 8127 | New person/name/address of the applicant |
Owner name: AO INC., 07950 SOUTHBRIDGE, MASS., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: DIEHL, H., DIPL.-PHYS. DR.RER.NAT. KRESSIN, H., DI |
|
| 8128 | New person/name/address of the agent |
Representative=s name: DIEHL, H., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 800 |
|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |