JPS6195416U - - Google Patents
Info
- Publication number
- JPS6195416U JPS6195416U JP1984181066U JP18106684U JPS6195416U JP S6195416 U JPS6195416 U JP S6195416U JP 1984181066 U JP1984181066 U JP 1984181066U JP 18106684 U JP18106684 U JP 18106684U JP S6195416 U JPS6195416 U JP S6195416U
- Authority
- JP
- Japan
- Prior art keywords
- overlayer
- filter material
- air filter
- support layer
- fiber diameter
- 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.)
- Granted
Links
- 239000000835 fiber Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920001410 Microfiber Polymers 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 description 1
Landscapes
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
- Nonwoven Fabrics (AREA)
Description
第１図は本考案のエアーフイルタ材の一例を示
す断面図で、第２図は本考案の帯電性エアーフイ
ルタ材の支持体層中に含まれる水溶性物質の重量
比を変えて、捕集効率の保持率の変化を経時的に
試験した結果である。
１……過層、２……支持体層、３……エアー
フイルタ材、４……極細繊維、５……太繊維。
Fig. 1 is a cross-sectional view showing an example of the air filter material of the present invention, and Fig. 2 is a sectional view showing an example of the air filter material of the present invention. These are the results of testing changes in efficiency retention over time. 1... superlayer, 2... support layer, 3... air filter material, 4... ultrafine fiber, 5... thick fiber.
補正 昭５９．１１．２９
実用新案登録請求の範囲を次のように補正する
。Amendment November 29, 1980 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
少なくともエレクトレツト化された不織布から
なる過層と通気性の支持体層とよりなる帯電性
エアーフイルタ材において、該過層が少なくと
も０．５〜４μｍの繊維径の極細繊維を３０％以
上含み、かつ、５μｍを超える繊維径の太繊維を
５〜２０％含んでなる見掛密度０．０７〜０．１
５ｇ／cm3のエレクトレツト化された不織布であ
り、かつ、該支持体層は該過層の重量に対して
、重量比で０．０３を超える水溶性物質を含まな
いことを特徴とする帯電性エアーフイルタ材。[Claims for Utility Model Registration] A chargeable air filter material comprising at least an overlayer made of an electrified nonwoven fabric and an air permeable support layer, the overlayer having a fiber diameter of at least 0.5 to 4 μm. An apparent density of 0.07 to 0.1 containing 30% or more of ultrafine fibers and 5 to 20% of thick fibers with a fiber diameter exceeding 5 μm.
5 g/cm 3 of electrified nonwoven fabric, and the support layer does not contain a water-soluble substance in a weight ratio of more than 0.03 to the weight of the overlayer. Air filter material.
Claims (1)
なる過層と通気性の支持体層とよりなる帯電性
エアーフイルタ材において、該過層が少なくと
も０．５〜４μｍの繊維径の極細繊維を３０％以
上含み、かつ、８μｍを超える繊維径の太繊維を
５〜２０％含んでなる見掛密度０．０７〜０．１
５ｇ／cm3のエレクトレツト化された下織布であ
り、かつ、該支持体層は該過層の重量に対して
、重量比で０．０３を超える水溶性物質を含まな
いことを特徴とする帯電性エアーフイルタ材。 In a chargeable air filter material comprising at least an overlayer made of an electrified nonwoven fabric and an air permeable support layer, the overlayer contains at least 30% of ultrafine fibers with a fiber diameter of at least 0.5 to 4 μm, and an apparent density of 0.07 to 0.1 containing 5 to 20% of thick fibers with a fiber diameter exceeding 8 μm.
5 g/cm 3 of electrified underwoven fabric, and the support layer does not contain a water-soluble substance in a weight ratio of more than 0.03 to the weight of the overlayer. Chargeable air filter material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984181066U JPH0326902Y2 (en) | 1984-11-28 | 1984-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984181066U JPH0326902Y2 (en) | 1984-11-28 | 1984-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6195416U true JPS6195416U (en) | 1986-06-19 |
| JPH0326902Y2 JPH0326902Y2 (en) | 1991-06-11 |
Family
ID=30738624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984181066U Expired JPH0326902Y2 (en) | 1984-11-28 | 1984-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326902Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62263360A (en) * | 1986-05-08 | 1987-11-16 | 東洋紡績株式会社 | Blended fiber web of electret yarn |
| WO2016088692A1 (en) * | 2014-12-03 | 2016-06-09 | 東洋紡株式会社 | Method for producing electret filter |
| JPWO2016088691A1 (en) * | 2014-12-03 | 2017-09-14 | 東洋紡株式会社 | Electret filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624013A (en) * | 1979-05-04 | 1981-03-07 | Nitta Kk | Structure of air filter element |
| JPS58208498A (en) * | 1982-05-27 | 1983-12-05 | 帝人株式会社 | Sheet-like article |
-
1984
- 1984-11-28 JP JP1984181066U patent/JPH0326902Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624013A (en) * | 1979-05-04 | 1981-03-07 | Nitta Kk | Structure of air filter element |
| JPS58208498A (en) * | 1982-05-27 | 1983-12-05 | 帝人株式会社 | Sheet-like article |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62263360A (en) * | 1986-05-08 | 1987-11-16 | 東洋紡績株式会社 | Blended fiber web of electret yarn |
| WO2016088692A1 (en) * | 2014-12-03 | 2016-06-09 | 東洋紡株式会社 | Method for producing electret filter |
| JPWO2016088692A1 (en) * | 2014-12-03 | 2017-09-14 | 東洋紡株式会社 | Manufacturing method of electret filter |
| JPWO2016088691A1 (en) * | 2014-12-03 | 2017-09-14 | 東洋紡株式会社 | Electret filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326902Y2 (en) | 1991-06-11 |