JPH0427404A - エアーフィルター素材 - Google Patents
エアーフィルター素材Info
- Publication number
- JPH0427404A JPH0427404A JP2130393A JP13039390A JPH0427404A JP H0427404 A JPH0427404 A JP H0427404A JP 2130393 A JP2130393 A JP 2130393A JP 13039390 A JP13039390 A JP 13039390A JP H0427404 A JPH0427404 A JP H0427404A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- fiber
- air
- air filter
- filter material
- 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
- 239000000463 material Substances 0.000 title claims description 16
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 abstract description 21
- 239000004745 nonwoven fabric Substances 0.000 abstract description 18
- 238000004140 cleaning Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 229920000728 polyester Polymers 0.000 description 12
- 238000004080 punching Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 235000018185 Betula X alpestris Nutrition 0.000 description 3
- 235000018212 Betula X uliginosa Nutrition 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0464—Impregnants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/666—Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
- Y10T442/667—Needled
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/682—Needled nonwoven fabric
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
Abstract
め要約のデータは記録されません。
Description
効率を向上させたエアーフィルターに関するものである
。
ードルパンチ不織布を使用する発想は従来より種々試み
られている。然し、ニードルパンチ不織布のみを使用し
てエアーフィルター素材を作ろうとする時は、原材料の
種類を選定したり、又原綿(ステーブル)の太さを選ん
で種々組み合わせた二−ドル不織布を作ってみても、積
層集積体を形成する手段としてニードルパンチ不織布を
用いる限り、ニードルの跡がフィルター機能の障害とな
る為に用いることは難しかった。
わせてニードリングによる交絡で積層集合体を形成した
場合には、ニードリングによる孔の回復が悪い(繊維の
密な交絡状態の復元が殆ど無い)為に、清浄効果が落ち
てしてしまう、従って、これに樹脂を含浸させてニード
ル孔を塞いで清浄効率を高めようとすると、却って目詰
まり状態となって圧損失が高くなり、不具合を生ずる。
せても繊維の交絡状態が復元してニードル孔が解消し、
清浄効率を上げ、且つ長寿命の積層構造物が得られ、エ
アーフィルターに適する機能を持たせることに成功した
ものである。
であっても、圧力損失を小さくして、且つダストやカー
ボン微粉末等の補集効率を、高めることが出来たもので
あり、特に初期補集効率を高めることに成功したもので
ある。 即ち、例えば第1図に示す如く、粒径の大きい
ダスト等を主に補集する空気流入層3.(ダスト補集層
)としてポリエステルステーブル(Mill!径5〜2
0デニール)を使用した60〜200g/n(のニード
ルパンチ不織布を使用し、中間層2.とじては繊維径が
2〜6デニールのポリエステルステーブルを用いた日付
け100〜130g/+y+のニードルパンチ不織布を
使用し、更にカーボン等の微細な粒子を補集する空気流
出層1.(クリーン層)には繊維径1〜2デニールの細
手の繊維を用いた水流交絡法(ウォータージェット法)
による不織布を使用して、これらを積層構造とする為に
ニードリングを施したシートが、エアーフィルターに通
する優秀な機能を持つことを見出した。
耐久性を良くすることは相反する機能であるが、従来補
集効率を上げることが不可能と考えられていたニードリ
ングによって交絡したml集積体であっても、補集効率
と耐久性の両方の機能を同時に満足するものが、簡単に
作り得るということが判明したものである。
に、少なくとも2層以上積層した多層構造の繊維シート
であって、空気流入側より空気流出側に至る各層の平均
繊維径が、順次大きいものから小さいものになるように
構成することによりこの効果を得ることに成功したもの
であり、更に効率を高める為にはクリーン層1.にはウ
ォータージェット法で知られるような水流交絡法による
不織布を用いることにより、他の繊維首席体と組合わせ
てニードリングを施して得た積層構造物が、ニードリン
グによる交絡仕上げであるにも係わらず、ダスト等の補
集効率が良好であることを、各種実験の結果見出したも
のである0本願発明者らの実験によると、自動車用のエ
アフィルターの欅な高性能と高耐久性が必要なエアフィ
ルター素材として使用しても、カーボン微粉末等の補集
効率も良く、且つ耐久性も十分で、実用性の高いエアー
フィルター素材であることが確認出来たものである。
出側に至る、厚み方向に平均繊維径が各層間て傾斜する
樟に構成した繊維集積体の、各層の繊維集積密度の比率
もフィルター効果に影響が大きいことを見出したもので
あり、例えば空気流入側より空気流出側に各層の繊維集
積密度の比率が、3<2< 1とした3層構造の場合等
の樺に、空気流入側より空気流出側に繊維集積密度が小
さな値となる樺に、各層の繊維集積密度に段階的な差を
設けた場合には、各層毎の平均繊維径の111@による
効果を、更に向上させる効果有するエアーフィルター素
材が得られる。
水流交絡不織布(品番PF8BO,ポリエステル100
%、平均繊維太さ1.5デニール。
ト補集層)として、ポリエステル 3デニールX51閣
、ウェブ目付210 g/rr?、パンチ条件として浅
いパンチ密度で プレパンチを施した後に、仕上げパン
チをしてウェブを作り、更に空気流出層1.(クリーン
層)側からもニードルパンチを施してクリーン層とダス
ト補集層とをニードルパンチラミさせて、2層構造の繊
維集積体とした後、昭和高分子製ポリゾールAT−11
5−4515部 住友化学工業株式会社製スミテックス
レジント33部、スミテックスアクセレレーターACX
O,3部、水81部7部からなる含浸液にて、重量付
着率(wet)で120%になるように含浸させ、16
0°C〜170ゝCの熱風乾燥にて乾燥仕上げして、重
さ321g/n(厚さ2.4閣のエアーフィルター素材
を得た。
水流交絡不織布(品番7380.ポリエステル/レーヨ
ン−50150,平均繊維太さ1.5デニール、ウェブ
目付80 g/n()を、中間層としてポリエステル
2デニ一ルX51mm/3デニールX51−−70 /
30 目付120g/n(、に浅くプレパンチを施
した後、仕上げパンチをしてウェブを作った。空気流入
側層3.(ダスト補集層)としては、ポリエステル 6
デ二−ルX51醜。
クリーン層と中間層をパンチングした繊維集積体の中間
層側とを重ね合わせてプレパンチと仕上げパンチをして
ダスト補集層と中間層とをパンチラミをする。出来た繊
維集積体に更に、クリーン層側から中間層/ダスト補集
層をニードルパンチラミさせ、3層構造の繊維集積体と
し、実施例1と同樺の樹脂含浸仕上げをして、重さ31
6g/ポ厚さ2.7鵬のエアーフィルター素材を得た。
水流交絡不織布(品番PF340.ポリエステル100
%、平均繊維太さ1.5デニール。
ル100%、平均繊維太さ1,5デニール、ウェブ目付
60g/ボの2種類を併用)を、中間層及びダスト補集
層は実施例2と同一の繊維集積体を用いて中間層/ダス
ト層の2層ウェブを作り、水流交絡法による2種類の不
織布で2層構造としたクリーン層1.側からニードルパ
ンチラミさせて4層構造の不織布とし、実施例1.と同
様の樹脂含浸仕上げをして、重さ338g/nf、厚さ
3.0鵬のエアーフィルター素材を得た。
水流交絡不織布(品番PF310.ポリエステル100
%、平均繊維径 1.5デニール。
ル 2デニールX51ss/3デニール×51醜−70
/30ウ工フ゛目付105g/ボ、をパンチラミネート
したiam集積体を作り、ダスト補集層としては、ポリ
エステル6デニールX51m/ポリエステル8デニール
×64−一80/20、ウェブ目付80g/n(、を用
いる。この中間層とダスト補集層とを用いてプレパンチ
をし、次いで仕上げパンチをしてパンチラミをし、中間
層/ダスト補集層からなる2層の繊維集積体を得る。更
に、クリーン層を中間層に重ねて、クリーン層側から中
間層/ダスト補集層をパンチングしてニードルパンチラ
ミさせて、3層構造の繊I!集積体とした後、実施例1
と同様の樹脂含浸仕上げをして、重さ316g/rd厚
さ2.7−のエアーフィルター素材を得た。
層と、中間層及びダスト捕集層とを二ドルパンチによっ
て交絡させた積層構造を特徴とするものであるが、ニー
ドルパンチによって交絡させた積層構造であるにもかか
わらず、ニードル孔によってダスト補集効果が低下せず
に、エアーフィールターとしての優秀な機能を持たせる
為に、各層間の平均繊維径を段階的にill斜させた時
に始めて本効果があられれるものであり、又クリーン層
側に水流交絡法による不織布を使用することで更にその
効果をmN的に上げることに成功したものである。
を示す、u1シ、効果の測定方法は、初期清浄効率、初
期圧力損失、フルライフ清浄効率、D、H,C,の何れ
についてもJIS D 1612による。
ているものであり、実施例1〜4は、比較例に対して初
期清浄効率、初期圧力損失、D、H0C8等を向上させ
たものである。
面図であり、第1図は空気流出層1.(クリーン層)と
空気流入層3.(ダスト補集層)とよりなるエアーフィ
ルター素材、第2図は、空気流出層1.(クリーン層)
と、中間II2.及び空気流入側層3.(ダスト補側1
とよりなるエアーフィルター素材を示す。 1・・・・空気流出層(クリーン層) 2・・・・中間層
Claims (4)
- (1)層毎に平均繊維径の異なる繊維集積体を、厚み方
向に、少なくとも2層以上積層した多層構造の繊維シー
トであって、空気流入側より空気流出側に至る各層の平
均繊維径が、順次大きいものから小さいものになるよう
に構成したエアーフィルター素材 - (2)空気流出側に、水流交絡法による繊維集積体層を
用いることを特徴とする特許請求範囲第1項に記載のエ
アーフィルター素材 - (3)水流交絡法による繊維集積体層は、太さ2デニー
ル以下の繊維を用いた繊維集積体層であることを特徴と
する特許請求範囲第1項及び第2項に記載のエアーフィ
ルター素材 - (4)空気流出側に用いる水流交絡法による繊維集積体
層自体が、2層以上の複数の水流交絡法による繊維集積
体を重ね合わせてなることを特徴とする特許請求範囲第
2項及び第3項に記載のエアーフィルター素材
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2130393A JP2975396B2 (ja) | 1990-05-22 | 1990-05-22 | エアーフィルター素材 |
US07/732,070 US5198294A (en) | 1990-05-22 | 1991-07-18 | Composite air-filtering material |
CA002047337A CA2047337C (en) | 1990-05-22 | 1991-07-18 | Composite air-filtering material |
GB9115980A GB2257942B (en) | 1990-05-22 | 1991-07-24 | Composite air-filtering material |
FR9109539A FR2679463A1 (fr) | 1990-05-22 | 1991-07-26 | Materiau composite pour filtre a air. |
DE4125250A DE4125250C2 (de) | 1990-05-22 | 1991-07-31 | Luftfiltermaterial zur Verwendung in einem Luftfilter |
ITRM910593A IT1249827B (it) | 1990-05-22 | 1991-08-02 | Materiale composito per il filtraggio dell'aria |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2130393A JP2975396B2 (ja) | 1990-05-22 | 1990-05-22 | エアーフィルター素材 |
US07/732,070 US5198294A (en) | 1990-05-22 | 1991-07-18 | Composite air-filtering material |
CA002047337A CA2047337C (en) | 1990-05-22 | 1991-07-18 | Composite air-filtering material |
GB9115980A GB2257942B (en) | 1990-05-22 | 1991-07-24 | Composite air-filtering material |
FR9109539A FR2679463A1 (fr) | 1990-05-22 | 1991-07-26 | Materiau composite pour filtre a air. |
DE4125250A DE4125250C2 (de) | 1990-05-22 | 1991-07-31 | Luftfiltermaterial zur Verwendung in einem Luftfilter |
ITRM910593A IT1249827B (it) | 1990-05-22 | 1991-08-02 | Materiale composito per il filtraggio dell'aria |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0427404A true JPH0427404A (ja) | 1992-01-30 |
JP2975396B2 JP2975396B2 (ja) | 1999-11-10 |
Family
ID=27560960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2130393A Expired - Lifetime JP2975396B2 (ja) | 1990-05-22 | 1990-05-22 | エアーフィルター素材 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5198294A (ja) |
JP (1) | JP2975396B2 (ja) |
CA (1) | CA2047337C (ja) |
DE (1) | DE4125250C2 (ja) |
FR (1) | FR2679463A1 (ja) |
GB (1) | GB2257942B (ja) |
IT (1) | IT1249827B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2679463A1 (fr) * | 1990-05-22 | 1993-01-29 | Dynic Corp | Materiau composite pour filtre a air. |
JP2010131543A (ja) * | 2008-12-05 | 2010-06-17 | Kureha Ltd | 低抵抗濾材 |
US7968176B2 (en) | 2006-09-14 | 2011-06-28 | Dynic Corporation | Air filter material |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2761901B1 (fr) * | 1997-04-10 | 1999-05-14 | Valeo | Procede de realisation d'un dispositif de filtration et dispositif de filtration en particulier pour l'aeration et/ou la climatisation de locaux ou de vehicules |
US5876529A (en) * | 1997-11-24 | 1999-03-02 | Owens Corning Fiberglas Technology, Inc. | Method of forming a pack of organic and mineral fibers |
US5948146A (en) * | 1997-12-08 | 1999-09-07 | Ceco Filters, Inc. | Hydroentangled fluoropolymer fiber bed for a mist eliminator |
DE19843000C2 (de) * | 1998-09-21 | 2000-07-13 | Freudenberg Carl Fa | Luftfilter |
DE10011569B4 (de) * | 2000-03-09 | 2005-06-09 | Carl Freudenberg Kg | Verwendung eines Filters mit einem Tiefenfiltermaterial als Flüssigkeitsfilter |
US7115150B2 (en) * | 2000-09-05 | 2006-10-03 | Donaldson Company, Inc. | Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method |
US6746517B2 (en) * | 2000-09-05 | 2004-06-08 | Donaldson Company, Inc. | Filter structure with two or more layers of fine fiber having extended useful service life |
US6743273B2 (en) * | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US7270693B2 (en) * | 2000-09-05 | 2007-09-18 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
RU2300543C2 (ru) * | 2001-05-31 | 2007-06-10 | Дональдсон Компани, Инк. | Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала |
DE10349298B4 (de) * | 2003-10-23 | 2006-03-09 | Bwf Tec Gmbh & Co. Kg | Filtermaterial und Verfahren zu dessen Herstellung |
DE102004046669A1 (de) * | 2004-09-24 | 2006-03-30 | Vorwerk & Co. Interholding Gmbh | Verfahren zum Herstellen einer Filterlage sowie Filterlage insbesondere für einen Staubfilterbeutel eines Staubsaugers |
KR100695274B1 (ko) * | 2004-11-13 | 2007-03-14 | 아누스(주) | 자동차용 공기청정기 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5238680A (en) * | 1975-08-26 | 1977-03-25 | Nippon Denso Co Ltd | Filter member for air filters |
FR2339697A1 (fr) * | 1976-01-30 | 1977-08-26 | Asahi Chemical Ind | Etoffe composite et son procede de fabrication |
US4522876A (en) * | 1984-07-05 | 1985-06-11 | Lydall, Inc. | Integral textile composite fabric |
JPH0762302B2 (ja) * | 1986-07-03 | 1995-07-05 | 株式会社クラレ | 繊維絡合体およびその製造法 |
US4976858A (en) * | 1987-08-12 | 1990-12-11 | Toyo Roki Seizo Kabushiki Kaisha | Multi-layer filter medium |
JPH0791754B2 (ja) * | 1988-06-21 | 1995-10-04 | ユニ・チャーム株式会社 | 複合不織布 |
JP2580265B2 (ja) * | 1988-06-30 | 1997-02-12 | 大阪瓦斯株式会社 | 複合不織布 |
JP2975396B2 (ja) * | 1990-05-22 | 1999-11-10 | ダイニック株式会社 | エアーフィルター素材 |
-
1990
- 1990-05-22 JP JP2130393A patent/JP2975396B2/ja not_active Expired - Lifetime
-
1991
- 1991-07-18 US US07/732,070 patent/US5198294A/en not_active Expired - Lifetime
- 1991-07-18 CA CA002047337A patent/CA2047337C/en not_active Expired - Fee Related
- 1991-07-24 GB GB9115980A patent/GB2257942B/en not_active Expired - Fee Related
- 1991-07-26 FR FR9109539A patent/FR2679463A1/fr active Granted
- 1991-07-31 DE DE4125250A patent/DE4125250C2/de not_active Expired - Fee Related
- 1991-08-02 IT ITRM910593A patent/IT1249827B/it active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2679463A1 (fr) * | 1990-05-22 | 1993-01-29 | Dynic Corp | Materiau composite pour filtre a air. |
US7968176B2 (en) | 2006-09-14 | 2011-06-28 | Dynic Corporation | Air filter material |
JP2010131543A (ja) * | 2008-12-05 | 2010-06-17 | Kureha Ltd | 低抵抗濾材 |
Also Published As
Publication number | Publication date |
---|---|
US5198294A (en) | 1993-03-30 |
CA2047337A1 (en) | 1993-01-19 |
CA2047337C (en) | 1996-12-10 |
GB2257942B (en) | 1996-02-28 |
ITRM910593A1 (it) | 1993-02-02 |
GB9115980D0 (en) | 1991-09-11 |
GB2257942A (en) | 1993-01-27 |
DE4125250A1 (de) | 1993-02-04 |
FR2679463A1 (fr) | 1993-01-29 |
JP2975396B2 (ja) | 1999-11-10 |
IT1249827B (it) | 1995-03-28 |
ITRM910593A0 (it) | 1991-08-02 |
FR2679463B1 (ja) | 1995-04-28 |
DE4125250C2 (de) | 2002-01-17 |
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