BE514345A - - Google Patents
Info
- Publication number
- BE514345A BE514345A BE514345DA BE514345A BE 514345 A BE514345 A BE 514345A BE 514345D A BE514345D A BE 514345DA BE 514345 A BE514345 A BE 514345A
- Authority
- BE
- Belgium
- Prior art keywords
- air
- dust
- nose
- protective
- mouth
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 7
- 210000003128 head Anatomy 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 210000001061 forehead Anatomy 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 208000019693 Lung disease Diseases 0.000 description 2
- 201000010001 Silicosis Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000009423 ventilation 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
- A62B18/003—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 having means for creating a fresh air curtain
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 |
|---|---|
| BE514345A true BE514345A (https=) |
Family
ID=152187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE514345D BE514345A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE514345A (https=) |
-
0
- BE BE514345D patent/BE514345A/fr unknown
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