ITTO950317A0 - Foglio di filtrazione di fibre aramidiche. - Google Patents
Foglio di filtrazione di fibre aramidiche.Info
- Publication number
- ITTO950317A0 ITTO950317A0 ITTO950317A ITTO950317A ITTO950317A0 IT TO950317 A0 ITTO950317 A0 IT TO950317A0 IT TO950317 A ITTO950317 A IT TO950317A IT TO950317 A ITTO950317 A IT TO950317A IT TO950317 A0 ITTO950317 A0 IT TO950317A0
- Authority
- IT
- Italy
- Prior art keywords
- aramid fiber
- fiber filtration
- filtration sheet
- sheet
- aramid
- Prior art date
Links
- 229920006231 aramid fiber Polymers 0.000 title 1
- 238000001914 filtration Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
-
- 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
- D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- 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
- B01D2239/1291—Other parameters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Paper (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/236,515 US5529844A (en) | 1994-04-29 | 1994-04-29 | Aramid fiber filtration sheet |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO950317A0 true ITTO950317A0 (it) | 1995-04-20 |
ITTO950317A1 ITTO950317A1 (it) | 1996-10-20 |
IT1284392B1 IT1284392B1 (it) | 1998-05-18 |
Family
ID=22889841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95TO000317A IT1284392B1 (it) | 1994-04-29 | 1995-04-20 | Foglio di filtrazione in fibre aramidiche. |
Country Status (9)
Country | Link |
---|---|
US (2) | US5529844A (it) |
JP (1) | JPH07299316A (it) |
CA (1) | CA2128593A1 (it) |
DE (1) | DE19515433A1 (it) |
FR (1) | FR2719237B1 (it) |
GB (1) | GB2288825B (it) |
IT (1) | IT1284392B1 (it) |
NL (1) | NL1000257C2 (it) |
TW (1) | TW376327B (it) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995003164A1 (en) * | 1993-07-21 | 1995-02-02 | Unitika Ltd. | Porous tube of fiber-reinforced plastic and method of manufacturing the same |
WO1996029146A1 (en) | 1995-03-22 | 1996-09-26 | Minnesota Mining And Manufacturing Company | Solid phase extraction membrane |
US5709798A (en) * | 1995-06-19 | 1998-01-20 | Pall Corporation | Fibrous nonwoven web |
US5782689A (en) * | 1996-01-11 | 1998-07-21 | Tomkins Industries Inc. | Fabric faced air distribution device |
GB9716379D0 (en) * | 1997-08-01 | 1997-10-08 | Pall Corp | Filter assembly |
US6391200B2 (en) | 1998-10-05 | 2002-05-21 | Cuno Incorporated | Filter and method of filtering a fluid |
US20030006186A1 (en) * | 1998-10-05 | 2003-01-09 | Pulek John L. | Spiral wound depth filter |
JP4520621B2 (ja) * | 2000-11-01 | 2010-08-11 | 信和化工株式会社 | クロマトグラフィー用分離カラム、固相抽出用媒体、及びクロマトグラフィーの試料注入システム |
US20020142689A1 (en) * | 2001-01-23 | 2002-10-03 | Levit Mikhail R. | Non-woven sheet of aramid floc |
WO2002061170A1 (en) * | 2001-01-31 | 2002-08-08 | Pall Corporation | Purification systems, methods and devices |
US20040224594A1 (en) * | 2003-04-18 | 2004-11-11 | Choi Wai Ming | Low density nonwoven glass fiber web |
US8986432B2 (en) | 2007-11-09 | 2015-03-24 | Hollingsworth & Vose Company | Meltblown filter medium, related applications and uses |
US7624879B2 (en) * | 2007-12-10 | 2009-12-01 | E. I. Du Pont De Nemours And Company | Micropulp for filters |
WO2010096398A1 (en) * | 2009-02-17 | 2010-08-26 | Filtrona Richmond, Inc. | Multi-layer, fluid transmissive fiber structures containing nanofibers and a method of manufacturing such structures |
US8950587B2 (en) | 2009-04-03 | 2015-02-10 | Hollingsworth & Vose Company | Filter media suitable for hydraulic applications |
US8394256B2 (en) | 2009-10-13 | 2013-03-12 | Exxonmobil Research And Engineering Company | Method for haze mitigation and filterability improvement for base stocks |
TWI414345B (zh) * | 2010-01-04 | 2013-11-11 | Taiwan Textile Res Inst | 含有奈米纖維之薄膜、複合薄膜、其製造方法及其用途 |
US8679218B2 (en) | 2010-04-27 | 2014-03-25 | Hollingsworth & Vose Company | Filter media with a multi-layer structure |
US10155186B2 (en) | 2010-12-17 | 2018-12-18 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
US20120152821A1 (en) | 2010-12-17 | 2012-06-21 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
CN103339307B (zh) * | 2010-12-17 | 2017-02-22 | 霍林斯沃思和沃斯有限公司 | 细纤维过滤介质和方法 |
US9694306B2 (en) | 2013-05-24 | 2017-07-04 | Hollingsworth & Vose Company | Filter media including polymer compositions and blends |
EP3530791B1 (en) | 2016-10-24 | 2021-06-09 | Oji Holdings Corporation | Inorganic fiber sheet, honeycomb molded body and honeycomb filter |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL246230A (it) * | 1958-12-09 | |||
US3242035A (en) * | 1963-10-28 | 1966-03-22 | Du Pont | Fibrillated product |
US3756908A (en) * | 1971-02-26 | 1973-09-04 | Du Pont | Synthetic paper structures of aromatic polyamides |
DK170416B1 (da) * | 1978-05-15 | 1995-08-28 | Pall Corp | Mikroporøs, hydrofil, hindefri, alkoholuopløselig polyamidharpiksmembran, fremgangsmåde til dens fremstilling, anvendelse af membranen i filterelementer samt harpiksstøbeopløsning til brug ved fremgangsmåden |
DE2907623A1 (de) * | 1979-02-27 | 1980-09-04 | Akzo Gmbh | Verfahren zur herstellung von fibrillierten faserstrukturen |
US4523995A (en) * | 1981-10-19 | 1985-06-18 | Pall Corporation | Charge-modified microfiber filter sheets |
DE3279618D1 (en) * | 1982-01-04 | 1989-05-24 | Brunswick Corp | Membrane systems for filtration |
ATE28579T1 (de) * | 1982-10-15 | 1987-08-15 | Whatman Reeve Angel Plc | Filterpapier. |
US4650506A (en) * | 1986-02-25 | 1987-03-17 | Donaldson Company, Inc. | Multi-layered microfiltration medium |
DE69007684T2 (de) * | 1989-06-14 | 1994-07-14 | Daicel Chem | Organischer mikrofibrillierter Werkstoff für Filter. |
DE69027108T2 (de) * | 1989-06-28 | 1996-10-17 | Michelin Recherche Et Technique, Fribourg | Aramidemonofilament und verfahren zur herstellung |
GB9019855D0 (en) * | 1990-09-11 | 1990-10-24 | Pall Corp | Depth filter media |
US5290446A (en) * | 1992-06-10 | 1994-03-01 | Pall Corporation | Helical wrapped filter element |
-
1994
- 1994-04-29 US US08/236,515 patent/US5529844A/en not_active Expired - Lifetime
- 1994-07-21 CA CA002128593A patent/CA2128593A1/en not_active Abandoned
- 1994-07-27 TW TW083106857A patent/TW376327B/zh not_active IP Right Cessation
-
1995
- 1995-04-12 GB GB9507631A patent/GB2288825B/en not_active Expired - Fee Related
- 1995-04-20 IT IT95TO000317A patent/IT1284392B1/it active IP Right Grant
- 1995-04-27 DE DE19515433A patent/DE19515433A1/de not_active Withdrawn
- 1995-04-28 JP JP7106282A patent/JPH07299316A/ja active Pending
- 1995-04-28 FR FR9505163A patent/FR2719237B1/fr not_active Expired - Fee Related
- 1995-04-28 NL NL1000257A patent/NL1000257C2/nl not_active IP Right Cessation
-
1996
- 1996-04-24 US US08/638,958 patent/US5702616A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
TW376327B (en) | 1999-12-11 |
US5529844A (en) | 1996-06-25 |
IT1284392B1 (it) | 1998-05-18 |
FR2719237A1 (fr) | 1995-11-03 |
NL1000257A1 (nl) | 1995-10-30 |
US5702616A (en) | 1997-12-30 |
GB9507631D0 (en) | 1995-05-31 |
JPH07299316A (ja) | 1995-11-14 |
DE19515433A1 (de) | 1995-11-02 |
GB2288825A (en) | 1995-11-01 |
ITTO950317A1 (it) | 1996-10-20 |
CA2128593A1 (en) | 1995-10-30 |
GB2288825B (en) | 1998-05-27 |
NL1000257C2 (nl) | 1997-05-30 |
FR2719237B1 (fr) | 1998-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |