NO133529B - - Google Patents
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- Publication number
- NO133529B NO133529B NO740993A NO740993A NO133529B NO 133529 B NO133529 B NO 133529B NO 740993 A NO740993 A NO 740993A NO 740993 A NO740993 A NO 740993A NO 133529 B NO133529 B NO 133529B
- Authority
- NO
- Norway
- Prior art keywords
- air
- hose
- hoses
- wall
- protective mask
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 239000000443 aerosol Substances 0.000 claims description 2
- 231100000331 toxic Toxicity 0.000 claims description 2
- 230000002588 toxic effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 230000009189 diving Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010009866 Cold sweat Diseases 0.000 description 1
- 229920004142 LEXAN™ Polymers 0.000 description 1
- 239000004418 Lexan Substances 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- A62B18/04—Gas helmets
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)
- Helmets And Other Head Coverings (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO740993A NO133529C (fi) | 1974-03-20 | 1974-03-20 | |
| SE7404082A SE401980B (sv) | 1974-03-20 | 1974-03-27 | Skyddshetta eller hjelm med ansiktsskydd for anvendning i arbetsfarlig miljo |
| FI954/74A FI56124C (fi) | 1974-03-20 | 1974-03-28 | Skyddshaetta eller hjaelmmask foer anvaendning i arbetsfarlig miljoe |
| DE2458936A DE2458936C2 (de) | 1974-03-20 | 1974-12-12 | Schutzhaube oder Helmmaske |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO740993A NO133529C (fi) | 1974-03-20 | 1974-03-20 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO740993L NO740993L (fi) | 1975-09-23 |
| NO133529B true NO133529B (fi) | 1976-02-09 |
| NO133529C NO133529C (fi) | 1976-05-19 |
Family
ID=19881523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO740993A NO133529C (fi) | 1974-03-20 | 1974-03-20 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2458936C2 (fi) |
| FI (1) | FI56124C (fi) |
| NO (1) | NO133529C (fi) |
| SE (1) | SE401980B (fi) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1049232B (it) * | 1975-01-10 | 1981-01-20 | Pirelli | Dispositivo per la protezione delle vie respiratorie |
| DE2557777C3 (de) * | 1975-12-20 | 1981-11-12 | Pedrolit GmbH, Zürich | Einrichtung zur Volumenverringerung eines betretbaren Folienbehältnisses |
| GB1587121A (en) * | 1976-05-14 | 1981-04-01 | Secr Defence | Protective clothing |
| DE2903921C2 (de) * | 1979-02-02 | 1984-04-19 | Drägerwerk AG, 2400 Lübeck | Atemschutzhaube |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE248227C (fi) * | ||||
| GB189815832A (en) | 1898-07-20 | 1899-06-24 | Robert Sutherland Wiseman | Improvements in and relating to Fireproof Clothing for Firemen and others. |
| US642166A (en) * | 1899-08-14 | 1900-01-30 | Udolph Sherman | Protective device for artisans. |
| DE764072C (de) * | 1943-08-01 | 1954-09-27 | Siemens Schuckertwerke A G | Elastische, doppelwandige Kuehlhaube zum Schutze von in heissen Raeumen beschaeftigten Personen |
| US2861568A (en) * | 1950-09-27 | 1958-11-25 | Quilter John Raymond Cuthbert | Pressurized helmet for aviators |
| US3258010A (en) * | 1963-06-19 | 1966-06-28 | Mine Safety Appliances Co | Protective headgear |
| US3413972A (en) * | 1965-09-27 | 1968-12-03 | Carl L. Depping | Airflow helmet |
-
1974
- 1974-03-20 NO NO740993A patent/NO133529C/no unknown
- 1974-03-27 SE SE7404082A patent/SE401980B/xx unknown
- 1974-03-28 FI FI954/74A patent/FI56124C/fi active
- 1974-12-12 DE DE2458936A patent/DE2458936C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI56124B (fi) | 1979-08-31 |
| SE401980B (sv) | 1978-06-12 |
| DE2458936A1 (de) | 1975-09-25 |
| DE2458936C2 (de) | 1984-02-02 |
| NO133529C (fi) | 1976-05-19 |
| FI95474A (fi) | 1975-09-21 |
| SE7404082L (fi) | 1974-09-23 |
| NO740993L (fi) | 1975-09-23 |
| FI56124C (fi) | 1979-12-10 |
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