JPH0533068B2 - - Google Patents
Info
- Publication number
- JPH0533068B2 JPH0533068B2 JP60114297A JP11429785A JPH0533068B2 JP H0533068 B2 JPH0533068 B2 JP H0533068B2 JP 60114297 A JP60114297 A JP 60114297A JP 11429785 A JP11429785 A JP 11429785A JP H0533068 B2 JPH0533068 B2 JP H0533068B2
- Authority
- JP
- Japan
- Prior art keywords
- melt
- nonwoven fabric
- mask
- blown nonwoven
- electrified
- 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.)
- Expired - Lifetime
Links
- 239000004744 fabric Substances 0.000 claims description 50
- 239000004750 melt-blown nonwoven Substances 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 37
- 239000000835 fiber Substances 0.000 claims description 23
- 230000004913 activation Effects 0.000 claims description 15
- 230000010287 polarization Effects 0.000 claims description 13
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 230000028161 membrane depolarization Effects 0.000 claims description 5
- 229920002544 Olefin fiber Polymers 0.000 claims 1
- 239000004767 olefin fiber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Landscapes
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60114297A JPS61272063A (ja) | 1985-05-29 | 1985-05-29 | マスク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60114297A JPS61272063A (ja) | 1985-05-29 | 1985-05-29 | マスク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61272063A JPS61272063A (ja) | 1986-12-02 |
| JPH0533068B2 true JPH0533068B2 (it) | 1993-05-18 |
Family
ID=14634337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60114297A Granted JPS61272063A (ja) | 1985-05-29 | 1985-05-29 | マスク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61272063A (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874399A (en) * | 1988-01-25 | 1989-10-17 | Minnesota Mining And Manufacturing Company | Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) |
| US5194596A (en) * | 1989-07-27 | 1993-03-16 | California Biotechnology Inc. | Production of vascular endothelial cell growth factor |
| JPH047011A (ja) * | 1990-04-23 | 1992-01-10 | Toubu Kk | フィルタ |
| JPH0451963U (it) * | 1990-09-08 | 1992-05-01 | ||
| JP2841017B2 (ja) * | 1993-12-09 | 1998-12-24 | 光進電気工業株式会社 | 防塵マスク |
| WO1996028216A1 (en) | 1995-03-09 | 1996-09-19 | Minnesota Mining And Manufacturing Company | Fold flat respirators and processes for preparing same |
| JP4938260B2 (ja) * | 2005-08-02 | 2012-05-23 | ユニ・チャーム株式会社 | 使い捨てマスク |
| JP5072708B2 (ja) * | 2008-05-15 | 2012-11-14 | ユニ・チャーム株式会社 | マスク |
| JP5419645B2 (ja) * | 2009-11-12 | 2014-02-19 | 三菱重工業株式会社 | マスク |
| JP2014128387A (ja) | 2012-12-28 | 2014-07-10 | San-M Package Co Ltd | マスク |
| CN103610242B (zh) * | 2013-12-06 | 2015-12-02 | 山东大学 | 一种高效过滤pm2.5c型口罩 |
| WO2019077957A1 (ja) * | 2017-10-17 | 2019-04-25 | 株式会社村田製作所 | フィルタおよび空調装置 |
| WO2023282088A1 (ja) * | 2021-07-07 | 2023-01-12 | クラレクラフレックス株式会社 | 繊維構造体およびその用途 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3571679A (en) * | 1968-10-14 | 1971-03-23 | Tno | Device for forming electrets |
| JPS5340073A (en) * | 1976-09-25 | 1978-04-12 | Nitta Belt Kk | Method of formation of electlet pole using porous sheet |
| JPS5453365A (en) * | 1977-10-04 | 1979-04-26 | Nitta Belt Kk | Construction of filter medium for air filter employing electret |
| JPS5663374A (en) * | 1979-10-24 | 1981-05-29 | American Cyanamid Co | Dustproof respirator |
| JPS5753259A (en) * | 1980-08-08 | 1982-03-30 | Minnesota Mining & Mfg | Filter medium constituted from different charge layer |
| JPS5745952B2 (it) * | 1975-05-16 | 1982-09-30 | ||
| US4375718A (en) * | 1981-03-12 | 1983-03-08 | Surgikos, Inc. | Method of making fibrous electrets |
| JPS59124A (ja) * | 1983-05-23 | 1984-01-05 | Hitachi Ltd | 光学系 |
| JPS5990612A (ja) * | 1982-11-12 | 1984-05-25 | Hitachi Ltd | 空気清浄用フイルタ |
| JPS59156355A (ja) * | 1983-02-25 | 1984-09-05 | ミナト製薬株式会社 | 防塵用イオン化マスクの製造方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5598327U (it) * | 1978-12-28 | 1980-07-08 | ||
| JPS5745952U (it) * | 1980-08-30 | 1982-03-13 | ||
| NL8300437A (nl) * | 1983-02-04 | 1984-09-03 | Tno | Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium. |
-
1985
- 1985-05-29 JP JP60114297A patent/JPS61272063A/ja active Granted
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3571679A (en) * | 1968-10-14 | 1971-03-23 | Tno | Device for forming electrets |
| JPS5745952B2 (it) * | 1975-05-16 | 1982-09-30 | ||
| JPS5340073A (en) * | 1976-09-25 | 1978-04-12 | Nitta Belt Kk | Method of formation of electlet pole using porous sheet |
| JPS5453365A (en) * | 1977-10-04 | 1979-04-26 | Nitta Belt Kk | Construction of filter medium for air filter employing electret |
| JPS5663374A (en) * | 1979-10-24 | 1981-05-29 | American Cyanamid Co | Dustproof respirator |
| JPS5753259A (en) * | 1980-08-08 | 1982-03-30 | Minnesota Mining & Mfg | Filter medium constituted from different charge layer |
| US4375718A (en) * | 1981-03-12 | 1983-03-08 | Surgikos, Inc. | Method of making fibrous electrets |
| JPS5990612A (ja) * | 1982-11-12 | 1984-05-25 | Hitachi Ltd | 空気清浄用フイルタ |
| JPS59156355A (ja) * | 1983-02-25 | 1984-09-05 | ミナト製薬株式会社 | 防塵用イオン化マスクの製造方法 |
| JPS59124A (ja) * | 1983-05-23 | 1984-01-05 | Hitachi Ltd | 光学系 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61272063A (ja) | 1986-12-02 |
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