DE124220C - - Google Patents
Info
- Publication number
- DE124220C DE124220C DENDAT124220D DE124220DA DE124220C DE 124220 C DE124220 C DE 124220C DE NDAT124220 D DENDAT124220 D DE NDAT124220D DE 124220D A DE124220D A DE 124220DA DE 124220 C DE124220 C DE 124220C
- Authority
- DE
- Germany
- Prior art keywords
- helmet
- outside
- area
- oxygen
- gases
- 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.)
- Active
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 210000005069 ears Anatomy 0.000 claims 1
- 230000001473 noxious effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002184 metal Substances 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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE124220C true DE124220C (en:Method) |
Family
ID=393024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT124220D Active DE124220C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE124220C (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139087A (en) * | 1961-03-10 | 1964-06-30 | Frank V Liberatore | Snorkel with whistle attached thereto |
| EP0325959A3 (en) * | 1988-01-14 | 1990-12-19 | Wacko 3 Limited | Safety helmet |
-
0
- DE DENDAT124220D patent/DE124220C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139087A (en) * | 1961-03-10 | 1964-06-30 | Frank V Liberatore | Snorkel with whistle attached thereto |
| EP0325959A3 (en) * | 1988-01-14 | 1990-12-19 | Wacko 3 Limited | Safety helmet |
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