CA1213496A - Filtre mono-element et appareil respiratoire - Google Patents
Filtre mono-element et appareil respiratoireInfo
- Publication number
- CA1213496A CA1213496A CA000439309A CA439309A CA1213496A CA 1213496 A CA1213496 A CA 1213496A CA 000439309 A CA000439309 A CA 000439309A CA 439309 A CA439309 A CA 439309A CA 1213496 A CA1213496 A CA 1213496A
- Authority
- CA
- Canada
- Prior art keywords
- respirator
- filter
- facepiece
- wearer
- silica
- 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
- 239000000463 material Substances 0.000 claims description 10
- 230000009975 flexible effect Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 45
- 239000003595 mist Substances 0.000 abstract description 18
- 239000000377 silicon dioxide Substances 0.000 abstract description 17
- 239000010425 asbestos Substances 0.000 abstract description 12
- 229910052895 riebeckite Inorganic materials 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 description 41
- 239000000428 dust Substances 0.000 description 10
- 230000035515 penetration Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 9
- 239000000725 suspension Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000002991 molded plastic Substances 0.000 description 3
- 241000282320 Panthera leo Species 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000344 non-irritating Toxicity 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 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
- A62B18/02—Masks
- A62B18/025—Halfmasks
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43993082A | 1982-11-08 | 1982-11-08 | |
| US439,930 | 1982-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1213496A true CA1213496A (fr) | 1986-11-04 |
Family
ID=23746726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000439309A Expired CA1213496A (fr) | 1982-11-08 | 1983-10-19 | Filtre mono-element et appareil respiratoire |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0109514A1 (fr) |
| JP (1) | JPS59103677A (fr) |
| AU (1) | AU567691B2 (fr) |
| BR (1) | BR8306104A (fr) |
| CA (1) | CA1213496A (fr) |
| ZA (1) | ZA837291B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9642403B2 (en) | 2007-08-16 | 2017-05-09 | Kimberly-Clark Worldwide, Inc. | Strap fastening system for a disposable respirator providing improved donning |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6371270A (ja) * | 1986-09-13 | 1988-03-31 | シ−ブ ノ−ス，インコ−ポレ−テツド | 交換可能なフイルタ付呼吸マスク |
| WO2003013657A1 (fr) * | 2001-08-10 | 2003-02-20 | North Safety Products Inc. | Masque filtrant |
| US7419526B2 (en) * | 2005-03-03 | 2008-09-02 | 3M Innovative Properties Company | Conformal filter cartridges and methods |
| JP2018000982A (ja) * | 2017-08-24 | 2018-01-11 | 株式会社重松製作所 | 呼吸用保護具 |
| JP6797172B2 (ja) * | 2018-12-10 | 2020-12-09 | 金富裕興業股▲ふん▼有限公司 | マスク |
| FR3109700A1 (fr) * | 2020-05-01 | 2021-11-05 | Concept Composites Auvergne 2Ca | Masque de protection avec filtre interchangeable |
| CN115530465A (zh) * | 2022-10-18 | 2022-12-30 | 张建兴 | 口罩改良配件及过滤片检测方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE144267C (fr) * | ||||
| CH9133A (fr) * | 1894-08-31 | 1895-03-31 | Docteur Detourbe Felix | Masque respirateur |
| US2201315A (en) * | 1936-11-13 | 1940-05-21 | American Optical Corp | Respirator |
| US2181026A (en) * | 1936-11-13 | 1939-11-21 | Schwartz Nathan | Respirator |
| GB761263A (en) * | 1954-02-22 | 1956-11-14 | Martindale Electric Company Lt | Improvements in respiratory masks |
| US2823671A (en) * | 1954-03-29 | 1958-02-18 | Pulmosan Safety Equipment Corp | Respirator |
| US2895472A (en) * | 1956-01-05 | 1959-07-21 | Electric Storage Battery Co | Respirator |
| US3014479A (en) * | 1959-05-20 | 1961-12-26 | Welsh Mfg Co | Respirator |
| DE2329668A1 (de) * | 1973-06-09 | 1975-01-02 | Draegerwerk Ag | Atemschutzmaske mit atemschutzfilter |
-
1983
- 1983-09-23 AU AU19523/83A patent/AU567691B2/en not_active Expired - Fee Related
- 1983-09-27 EP EP83109639A patent/EP0109514A1/fr not_active Ceased
- 1983-09-29 ZA ZA837291A patent/ZA837291B/xx unknown
- 1983-10-19 CA CA000439309A patent/CA1213496A/fr not_active Expired
- 1983-11-07 BR BR8306104A patent/BR8306104A/pt unknown
- 1983-11-08 JP JP58209760A patent/JPS59103677A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9642403B2 (en) | 2007-08-16 | 2017-05-09 | Kimberly-Clark Worldwide, Inc. | Strap fastening system for a disposable respirator providing improved donning |
Also Published As
| Publication number | Publication date |
|---|---|
| AU1952383A (en) | 1984-05-17 |
| BR8306104A (pt) | 1984-06-12 |
| JPS59103677A (ja) | 1984-06-15 |
| EP0109514A1 (fr) | 1984-05-30 |
| ZA837291B (en) | 1984-06-27 |
| AU567691B2 (en) | 1987-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |