DE225408C - - Google Patents
Info
- Publication number
- DE225408C DE225408C DENDAT225408D DE225408DA DE225408C DE 225408 C DE225408 C DE 225408C DE NDAT225408 D DENDAT225408 D DE NDAT225408D DE 225408D A DE225408D A DE 225408DA DE 225408 C DE225408 C DE 225408C
- Authority
- DE
- Germany
- Prior art keywords
- mouth
- nasal
- dust
- nose
- air
- 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
- 239000000428 dust Substances 0.000 claims description 18
- 241000207836 Olea <angiosperm> Species 0.000 claims description 6
- 240000007817 Olea europaea Species 0.000 claims description 6
- 210000002345 respiratory system Anatomy 0.000 claims 1
- 210000000214 mouth Anatomy 0.000 description 7
- 210000001331 nose Anatomy 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000001012 protector Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000970811 Dictyoglomi Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000013022 venting 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
- A62B18/08—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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE225408C true DE225408C (cs) |
Family
ID=486055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT225408D Active DE225408C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE225408C (cs) |
-
0
- DE DENDAT225408D patent/DE225408C/de active Active
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