GB1554542A - Respirator cartridges - Google Patents
Respirator cartridgesInfo
- Publication number
- GB1554542A GB1554542A GB7178A GB7178A GB1554542A GB 1554542 A GB1554542 A GB 1554542A GB 7178 A GB7178 A GB 7178A GB 7178 A GB7178 A GB 7178A GB 1554542 A GB1554542 A GB 1554542A
- Authority
- GB
- United Kingdom
- Prior art keywords
- respirator cartridges
- respirator
- cartridges
- 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
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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB717871A GB1381710A (en) | 1971-03-18 | 1971-03-18 | Sulphonation of fatty acids |
NL7203459A NL7203459A (en) | 1971-03-18 | 1972-03-16 | |
FR7209559A FR2178284A5 (en) | 1971-03-18 | 1972-03-17 | |
DE19722213155 DE2213155A1 (en) | 1971-03-18 | 1972-03-17 | Method for the treatment of alpha-sulfofatty acids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75710577A | 1977-01-05 | 1977-01-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1554542A true GB1554542A (en) | 1979-10-24 |
Family
ID=25046371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7178A Expired GB1554542A (en) | 1971-03-18 | 1978-01-03 | Respirator cartridges |
Country Status (6)
Country | Link |
---|---|
JP (2) | JPS5385993A (en) |
BR (1) | BR7800046A (en) |
CA (1) | CA1100419A (en) |
DE (1) | DE2758603A1 (en) |
GB (1) | GB1554542A (en) |
HK (1) | HK22181A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2168259A (en) * | 1984-12-14 | 1986-06-18 | Draegerwerk Ag | A filter apparatus having a monitor for indicating the state of exhaustion of the filter |
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 |
Families Citing this family (10)
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 |
DE3610492A1 (en) * | 1986-03-27 | 1987-10-01 | Draegerwerk Ag | RESPIRATOR |
US4886058A (en) * | 1988-05-17 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Filter element |
WO1994019056A1 (en) * | 1993-02-27 | 1994-09-01 | Paul Hartmann Ag | Respiratory system protection |
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 |
BR112015023574A2 (en) | 2013-03-15 | 2017-07-18 | 3M Innovative Properties Co | end-of-life indication systems of 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 DE DE19772758603 patent/DE2758603A1/en not_active Ceased
- 1977-12-27 JP JP15675977A patent/JPS5385993A/en active Pending
-
1978
- 1978-01-03 GB GB7178A patent/GB1554542A/en not_active Expired
- 1978-01-04 BR BR7800046A patent/BR7800046A/en unknown
-
1981
- 1981-05-21 HK HK22181A patent/HK22181A/en unknown
-
1986
- 1986-07-09 JP JP10436686U patent/JPS6218156U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2168259A (en) * | 1984-12-14 | 1986-06-18 | Draegerwerk Ag | A filter apparatus having a monitor for indicating the state of exhaustion of the filter |
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 |
Also Published As
Publication number | Publication date |
---|---|
JPS6218156U (en) | 1987-02-03 |
BR7800046A (en) | 1978-08-15 |
JPS5385993A (en) | 1978-07-28 |
DE2758603A1 (en) | 1978-07-20 |
HK22181A (en) | 1981-05-29 |
CA1100419A (en) | 1981-05-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |