JPS6322848B2 - - Google Patents
Info
- Publication number
- JPS6322848B2 JPS6322848B2 JP54038425A JP3842579A JPS6322848B2 JP S6322848 B2 JPS6322848 B2 JP S6322848B2 JP 54038425 A JP54038425 A JP 54038425A JP 3842579 A JP3842579 A JP 3842579A JP S6322848 B2 JPS6322848 B2 JP S6322848B2
- Authority
- JP
- Japan
- Prior art keywords
- electret
- film
- filter
- laminate
- needle punching
- 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
Links
- 239000000835 fiber Substances 0.000 claims description 21
- 238000004080 punching Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 10
- -1 and fluororesins Polymers 0.000 description 9
- 239000000428 dust Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- ZZLCFHIKESPLTH-UHFFFAOYSA-N 4-Methylbiphenyl Chemical compound C1=CC(C)=CC=C1C1=CC=CC=C1 ZZLCFHIKESPLTH-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
Landscapes
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3842579A JPS55132615A (en) | 1979-04-02 | 1979-04-02 | Electret filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3842579A JPS55132615A (en) | 1979-04-02 | 1979-04-02 | Electret filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55132615A JPS55132615A (en) | 1980-10-15 |
| JPS6322848B2 true JPS6322848B2 (ko) | 1988-05-13 |
Family
ID=12524945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3842579A Granted JPS55132615A (en) | 1979-04-02 | 1979-04-02 | Electret filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55132615A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10612250B2 (en) | 2014-03-24 | 2020-04-07 | Flooring Industries Limited, Sarl | Set of mutually lockable panels |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0714446B2 (ja) * | 1985-10-28 | 1995-02-22 | 三井石油化学工業株式会社 | エレクトレツト化不織布フイルタ− |
| JPS63116714A (ja) * | 1986-11-05 | 1988-05-21 | Toray Ind Inc | エレクトレットフィルタ−エレメント |
| US5538545A (en) * | 1994-11-04 | 1996-07-23 | W. L. Gore & Associates | Nonparticulating adsorbent recirculating filter |
| ES2674802T3 (es) * | 2014-06-23 | 2018-07-04 | 3M Innovative Properties Company | Bandas de electret con aditivos potenciadores de la carga |
-
1979
- 1979-04-02 JP JP3842579A patent/JPS55132615A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10612250B2 (en) | 2014-03-24 | 2020-04-07 | Flooring Industries Limited, Sarl | Set of mutually lockable panels |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55132615A (en) | 1980-10-15 |
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