NO132463B - - Google Patents
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- Publication number
- NO132463B NO132463B NO4768/73A NO476873A NO132463B NO 132463 B NO132463 B NO 132463B NO 4768/73 A NO4768/73 A NO 4768/73A NO 476873 A NO476873 A NO 476873A NO 132463 B NO132463 B NO 132463B
- Authority
- NO
- Norway
- Prior art keywords
- mask
- filaments
- filtering
- bacteria
- face mask
- Prior art date
Links
- 238000001914 filtration Methods 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 38
- 239000011230 binding agent Substances 0.000 claims description 12
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 description 27
- 239000000835 fiber Substances 0.000 description 11
- 230000001580 bacterial effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 239000008272 agar Substances 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
- 239000010425 asbestos Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO4768/73A NO132463C (fr) | 1973-12-13 | 1973-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO4768/73A NO132463C (fr) | 1973-12-13 | 1973-12-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO476873L NO476873L (fr) | 1975-07-07 |
| NO132463B true NO132463B (fr) | 1975-08-11 |
| NO132463C NO132463C (fr) | 1975-11-19 |
Family
ID=19880588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO4768/73A NO132463C (fr) | 1973-12-13 | 1973-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| NO (1) | NO132463C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK157286B (da) * | 1978-02-06 | 1989-12-04 | Minnesota Mining & Mfg | Ansigtsmaske samt fremgangsmaade til fremstilling af et fiberbaneelektreret til brug som filterlag i ansigtsmasken |
-
1973
- 1973-12-13 NO NO4768/73A patent/NO132463C/no unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK157286B (da) * | 1978-02-06 | 1989-12-04 | Minnesota Mining & Mfg | Ansigtsmaske samt fremgangsmaade til fremstilling af et fiberbaneelektreret til brug som filterlag i ansigtsmasken |
Also Published As
| Publication number | Publication date |
|---|---|
| NO476873L (fr) | 1975-07-07 |
| NO132463C (fr) | 1975-11-19 |
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