JPS6218156U - - Google Patents
Info
- Publication number
- JPS6218156U JPS6218156U JP10436686U JP10436686U JPS6218156U JP S6218156 U JPS6218156 U JP S6218156U JP 10436686 U JP10436686 U JP 10436686U JP 10436686 U JP10436686 U JP 10436686U JP S6218156 U JPS6218156 U JP S6218156U
- Authority
- JP
- Japan
- Prior art keywords
- indicator
- organic vapor
- utility
- time indicating
- gas
- 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.)
- Pending
Links
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 3
- 230000003647 oxidation Effects 0.000 claims 3
- 238000007254 oxidation reaction Methods 0.000 claims 3
- 239000000741 silica gel Substances 0.000 claims 3
- 229910002027 silica gel Inorganic materials 0.000 claims 3
- 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 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000241 respiratory 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)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (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 |
|---|---|
| JPS6218156U true JPS6218156U (enExample) | 1987-02-03 |
Family
ID=25046371
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15675977A Pending JPS5385993A (en) | 1977-01-05 | 1977-12-27 | Method and device for indicating time of entire consumption of organic vapor*gas breathing mask cartridge |
| JP10436686U Pending JPS6218156U (enExample) | 1977-01-05 | 1986-07-09 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15675977A Pending JPS5385993A (en) | 1977-01-05 | 1977-12-27 | Method and device for indicating time of entire consumption of organic vapor*gas breathing mask cartridge |
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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0219175A (ja) * | 1988-05-17 | 1990-01-23 | Minnesota Mining & Mfg Co <3M> | 濾過エレメントおよび呼吸マスク |
Families Citing this family (13)
| 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 |
| GB2119659B (en) * | 1982-04-28 | 1985-10-02 | Mine Safety Appliances Co | Breathing device having irreversible moisture indicator |
| DE3445639C2 (de) * | 1984-12-14 | 1987-02-12 | Drägerwerk AG, 2400 Lübeck | Kolorimetrischer Indikator zur Anzeige des Erschöpfungszustandes von Gasfiltern |
| DE3610492A1 (de) * | 1986-03-27 | 1987-10-01 | Draegerwerk Ag | Atemschutzgeraet |
| 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 |
| US5634426A (en) * | 1995-02-22 | 1997-06-03 | Tomlinson; Bruce | Absorption depletion indicators for anesthetic gas administration systems |
| 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 |
| 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 |
| WO2014149917A1 (en) | 2013-03-15 | 2014-09-25 | 3M Innovative Properties Company | End of service life indicating systems for layered filter cartridges |
Family Cites Families (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 |
| US3966440A (en) * | 1975-06-03 | 1976-06-29 | Catalyst Research Corporation | Colorimetric vinyl chloride indicator |
-
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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0219175A (ja) * | 1988-05-17 | 1990-01-23 | Minnesota Mining & Mfg Co <3M> | 濾過エレメントおよび呼吸マスク |
Also Published As
| Publication number | Publication date |
|---|---|
| HK22181A (en) | 1981-05-29 |
| JPS5385993A (en) | 1978-07-28 |
| DE2758603A1 (de) | 1978-07-20 |
| CA1100419A (en) | 1981-05-05 |
| BR7800046A (pt) | 1978-08-15 |
| GB1554542A (en) | 1979-10-24 |
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