BE407828A - - Google Patents
Info
- Publication number
- BE407828A BE407828A BE407828DA BE407828A BE 407828 A BE407828 A BE 407828A BE 407828D A BE407828D A BE 407828DA BE 407828 A BE407828 A BE 407828A
- Authority
- BE
- Belgium
- Prior art keywords
- shape
- edge
- branches
- band
- mask
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000241 respiratory 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
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE407828A true BE407828A (forum.php) |
Family
ID=72523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE407828D BE407828A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE407828A (forum.php) |
-
0
- BE BE407828D patent/BE407828A/fr unknown
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