BR7800046A - Cartucho-respirador e processo para indicar o termino da vida util do mesmo - Google Patents
Cartucho-respirador e processo para indicar o termino da vida util do mesmoInfo
- Publication number
- BR7800046A BR7800046A BR7800046A BR7800046A BR7800046A BR 7800046 A BR7800046 A BR 7800046A BR 7800046 A BR7800046 A BR 7800046A BR 7800046 A BR7800046 A BR 7800046A BR 7800046 A BR7800046 A BR 7800046A
- Authority
- BR
- Brazil
- Prior art keywords
- indicate
- user life
- life same
- breathing cartridge
- breathing
- Prior art date
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title 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 |
|---|---|
| BR7800046A true BR7800046A (pt) | 1978-08-15 |
Family
ID=25046371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7800046A BR7800046A (pt) | 1977-01-05 | 1978-01-04 | Cartucho-respirador e processo para indicar o termino da vida util do mesmo |
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) |
Families Citing this family (14)
| 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 |
| US4886058A (en) * | 1988-05-17 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Filter element |
| 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 |
| 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 |
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
Also Published As
| Publication number | Publication date |
|---|---|
| HK22181A (en) | 1981-05-29 |
| GB1554542A (en) | 1979-10-24 |
| JPS5385993A (en) | 1978-07-28 |
| DE2758603A1 (de) | 1978-07-20 |
| CA1100419A (en) | 1981-05-05 |
| JPS6218156U (enExample) | 1987-02-03 |
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