ZA200608636B - Respirators - Google Patents
Respirators Download PDFInfo
- Publication number
- ZA200608636B ZA200608636B ZA200608636A ZA200608636A ZA200608636B ZA 200608636 B ZA200608636 B ZA 200608636B ZA 200608636 A ZA200608636 A ZA 200608636A ZA 200608636 A ZA200608636 A ZA 200608636A ZA 200608636 B ZA200608636 B ZA 200608636B
- Authority
- ZA
- South Africa
- Prior art keywords
- valves
- valve assembly
- valve
- exhalation
- exhalation valve
- Prior art date
Links
- 239000003570 air Substances 0.000 description 31
- 238000011144 upstream manufacturing Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 239000012080 ambient air Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000007704 transition 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
- A62B18/10—Valves
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)
- Check Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0406288.1A GB0406288D0 (en) | 2004-03-19 | 2004-03-19 | Respirators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200608636B true ZA200608636B (en) | 2008-07-30 |
Family
ID=32118072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200608636A ZA200608636B (en) | 2004-03-19 | 2006-10-17 | Respirators |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20080035149A1 (enExample) |
| EP (1) | EP1729855A1 (enExample) |
| JP (1) | JP2007529254A (enExample) |
| CN (1) | CN1942219A (enExample) |
| AU (1) | AU2005224168A1 (enExample) |
| BR (1) | BRPI0508962A (enExample) |
| CA (1) | CA2559635A1 (enExample) |
| EA (1) | EA200601736A1 (enExample) |
| GB (1) | GB0406288D0 (enExample) |
| IL (1) | IL178076A0 (enExample) |
| NO (1) | NO20064776L (enExample) |
| WO (1) | WO2005089874A1 (enExample) |
| ZA (1) | ZA200608636B (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2592262T3 (es) | 2003-08-04 | 2016-11-29 | Carefusion 203, Inc. | Sistema de respirador portátil |
| US8118024B2 (en) | 2003-08-04 | 2012-02-21 | Carefusion 203, Inc. | Mechanical ventilation system utilizing bias valve |
| US8156937B2 (en) * | 2003-08-04 | 2012-04-17 | Carefusion 203, Inc. | Portable ventilator system |
| US7607437B2 (en) * | 2003-08-04 | 2009-10-27 | Cardinal Health 203, Inc. | Compressor control system and method for a portable ventilator |
| US7527053B2 (en) * | 2003-08-04 | 2009-05-05 | Cardinal Health 203, Inc. | Method and apparatus for attenuating compressor noise |
| US7997885B2 (en) * | 2007-12-03 | 2011-08-16 | Carefusion 303, Inc. | Roots-type blower reduced acoustic signature method and apparatus |
| US8888711B2 (en) * | 2008-04-08 | 2014-11-18 | Carefusion 203, Inc. | Flow sensor |
| GB201214088D0 (en) * | 2012-08-06 | 2012-09-19 | Scott Health & Safety Ltd | Switchable exhale filter system |
| GB2508184A (en) * | 2012-11-22 | 2014-05-28 | 3M Innovative Properties Co | Powered exhaust apparatus for respiratory device |
| AR095434A1 (es) | 2013-03-15 | 2015-10-14 | Scott Tech Inc | Interfaz de filtro de respirador |
| DE102016121382A1 (de) * | 2016-11-08 | 2018-05-09 | Hamilton Medical Ag | Expirationsventil |
| KR102305729B1 (ko) * | 2021-01-22 | 2021-09-28 | 손승현 | 볼에 밀착되어 차단성능이 향상된 기능성 마스크 |
| CN117298479A (zh) * | 2023-08-25 | 2023-12-29 | 山西新华防化装备研究院有限公司 | 一种双道呼气活门主通话器结构 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR784777A (fr) * | 1934-04-19 | 1935-07-24 | Perfectionnements aux dispositifs d'expiration des masques à gaz | |
| DE1245745B (de) * | 1964-06-24 | 1967-07-27 | Miloslav Prochazka | Filteranschlussstueck fuer Atemschutzmasken |
| FR1586121A (enExample) * | 1968-07-11 | 1970-02-13 | ||
| JPS4711195U (enExample) * | 1971-02-24 | 1972-10-09 | ||
| JPS58153851U (ja) * | 1982-04-08 | 1983-10-14 | 山本光学株式会社 | 防塵マスク用弁装置 |
| US4648394A (en) * | 1985-06-12 | 1987-03-10 | Mine Safety Appliances Company | Facemask for abrasive service |
| US4850346A (en) * | 1986-10-20 | 1989-07-25 | Wgm Safety Corp. | Respirator |
| GB2203050B (en) * | 1987-04-06 | 1991-07-31 | Cam Lock | Respirator |
| US4838262A (en) * | 1988-05-02 | 1989-06-13 | Mine Safety Appliances Company | Exhalation valve |
| GB2222778B (en) | 1988-09-19 | 1992-06-03 | Sabre Safety Ltd | Positive pressure filter respirators |
| GB2244433B (en) * | 1990-05-10 | 1995-01-04 | Camberley Rubber Mouldings Lim | Valve assembly for breathing apparatus |
-
2004
- 2004-03-19 GB GBGB0406288.1A patent/GB0406288D0/en not_active Ceased
-
2005
- 2005-03-17 EP EP05718130A patent/EP1729855A1/en not_active Withdrawn
- 2005-03-17 JP JP2007503422A patent/JP2007529254A/ja active Pending
- 2005-03-17 AU AU2005224168A patent/AU2005224168A1/en not_active Abandoned
- 2005-03-17 EA EA200601736A patent/EA200601736A1/ru unknown
- 2005-03-17 CN CNA200580008805XA patent/CN1942219A/zh active Pending
- 2005-03-17 WO PCT/GB2005/050038 patent/WO2005089874A1/en not_active Ceased
- 2005-03-17 US US10/598,921 patent/US20080035149A1/en not_active Abandoned
- 2005-03-17 CA CA002559635A patent/CA2559635A1/en not_active Abandoned
- 2005-03-17 BR BRPI0508962-0A patent/BRPI0508962A/pt not_active IP Right Cessation
-
2006
- 2006-09-14 IL IL178076A patent/IL178076A0/en unknown
- 2006-10-17 ZA ZA200608636A patent/ZA200608636B/en unknown
- 2006-10-18 NO NO20064776A patent/NO20064776L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NO20064776L (no) | 2006-12-19 |
| BRPI0508962A (pt) | 2007-08-21 |
| JP2007529254A (ja) | 2007-10-25 |
| EP1729855A1 (en) | 2006-12-13 |
| AU2005224168A1 (en) | 2005-09-29 |
| CA2559635A1 (en) | 2005-09-29 |
| EA200601736A1 (ru) | 2007-02-27 |
| IL178076A0 (en) | 2006-12-31 |
| CN1942219A (zh) | 2007-04-04 |
| US20080035149A1 (en) | 2008-02-14 |
| WO2005089874A1 (en) | 2005-09-29 |
| GB0406288D0 (en) | 2004-04-21 |
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