ZA864362B - Thermally formed gradient density filter - Google Patents
Thermally formed gradient density filterInfo
- Publication number
- ZA864362B ZA864362B ZA864362A ZA864362A ZA864362B ZA 864362 B ZA864362 B ZA 864362B ZA 864362 A ZA864362 A ZA 864362A ZA 864362 A ZA864362 A ZA 864362A ZA 864362 B ZA864362 B ZA 864362B
- Authority
- ZA
- South Africa
- Prior art keywords
- density filter
- thermally formed
- gradient density
- formed gradient
- thermally
- Prior art date
Links
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
- B01D39/14—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
- B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/558—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 by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
-
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/069—Special geometry of layers
- B01D2239/0695—Wound 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
- B01D2239/10—Filtering material manufacturing
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/765,782 US4661132A (en) | 1985-08-15 | 1985-08-15 | Themally formed gradient density filter |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA864362B true ZA864362B (en) | 1987-02-25 |
Family
ID=25074467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA864362A ZA864362B (en) | 1985-08-15 | 1986-06-11 | Thermally formed gradient density filter |
Country Status (10)
Country | Link |
---|---|
US (1) | US4661132A (zh) |
EP (1) | EP0212082A1 (zh) |
JP (1) | JPS6245307A (zh) |
CN (1) | CN86105545A (zh) |
AU (1) | AU574318B2 (zh) |
BR (1) | BR8602902A (zh) |
CA (1) | CA1282013C (zh) |
ES (1) | ES2001528A6 (zh) |
NZ (1) | NZ216288A (zh) |
ZA (1) | ZA864362B (zh) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4732677A (en) * | 1986-09-17 | 1988-03-22 | Allied Corporation | Thermally formed stacked disc filter |
US4765812A (en) * | 1987-10-30 | 1988-08-23 | Allied-Signal Inc. | Air laid filtering material |
US4923725A (en) * | 1988-07-29 | 1990-05-08 | E. I. Du Pont De Nemours And Company | Article for absorbing cooking grease |
US5365951A (en) * | 1990-08-24 | 1994-11-22 | Philip Morris Incorporated | Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core |
US5746230A (en) * | 1990-08-24 | 1998-05-05 | Philip Morris Incorporated | Concentric smoking filter having discrete tow and web filter media |
FR2667622B1 (fr) * | 1990-10-08 | 1994-10-07 | Kaysersberg Sa | Montisse lie hydrauliquement et son procede de fabrication. |
US5238474A (en) * | 1990-10-19 | 1993-08-24 | Donaldson Company, Inc. | Filtration arrangement |
US5082476A (en) * | 1990-10-19 | 1992-01-21 | Donaldson Company, Inc. | Filtration arrangement and method |
JP2882179B2 (ja) * | 1992-04-24 | 1999-04-12 | トヨタ自動車株式会社 | クッション材の製造方法 |
JP2842100B2 (ja) * | 1992-11-04 | 1998-12-24 | トヨタ自動車株式会社 | クッション材の製造方法 |
US5389121A (en) * | 1993-08-09 | 1995-02-14 | Pfeffer; Jack R. | Composite of layers of glass fibers of various filament diameters |
CA2111172A1 (en) * | 1993-09-23 | 1995-03-24 | Dennis S. Everhart | Nonwoven fabric formed from alloy fibers |
US5425907A (en) * | 1993-10-18 | 1995-06-20 | Schuller International, Inc. | Method of making a cylindrical filter cartridge |
US5669949A (en) * | 1995-04-21 | 1997-09-23 | Donaldson Company, Inc. | Air filtration arrangement |
WO1996036415A1 (en) * | 1995-05-18 | 1996-11-21 | Parker-Hannifin Corporation | Compound layer resin bonded filter cartridge |
KR100240047B1 (ko) * | 1995-07-28 | 2000-01-15 | 오카메 히로무 | 필터소자 및 그 제조방법(filter element and fabrication method for the same) |
US5827430A (en) * | 1995-10-24 | 1998-10-27 | Perry Equipment Corporation | Coreless and spirally wound non-woven filter element |
USD404807S (en) | 1996-07-11 | 1999-01-26 | Donaldson Company, Inc. | Filter sleeve |
US5858044A (en) | 1996-07-11 | 1999-01-12 | Donaldson Company, Inc. | Filter arrangement including removable filter with first and second media secured together |
DK1023478T3 (da) * | 1997-10-13 | 2011-06-20 | Oerlikon Textile Gmbh & Co Kg | Et anlæg til at fremstille et fiberweb af plastik og cellulosefibre |
US6007608A (en) | 1998-07-10 | 1999-12-28 | Donaldson Company, Inc. | Mist collector and method |
FI107129B (fi) * | 1998-10-01 | 2001-06-15 | Bki Holding Corp | Menetelmä monikerroksisen suodatinmateriaalin valmistamiseksi ja monikerroksinen suodatinmateriaali |
US6900145B2 (en) * | 2001-08-24 | 2005-05-31 | Owens Corning Fiberglas Technology, Inc. | Trim panel insulator for a vehicle |
CA2483709C (en) * | 2002-04-22 | 2009-10-13 | Lydall, Inc. | Gradient density padding material and method of making same |
US8021457B2 (en) * | 2004-11-05 | 2011-09-20 | Donaldson Company, Inc. | Filter media and structure |
WO2006052732A2 (en) | 2004-11-05 | 2006-05-18 | Donaldson Company, Inc. | Filter medium and structure |
US8057567B2 (en) | 2004-11-05 | 2011-11-15 | Donaldson Company, Inc. | Filter medium and breather filter structure |
EA011777B1 (ru) | 2005-02-04 | 2009-06-30 | Дональдсон Компани, Инк. | Фильтр и система вентиляции картера |
EP1858618B1 (en) * | 2005-02-22 | 2009-09-16 | Donaldson Company, Inc. | Aerosol separator |
US20060230727A1 (en) * | 2005-04-19 | 2006-10-19 | Morgan Howard W | Filtration element having a variable density sidewall |
BRPI0807375A2 (pt) | 2007-02-22 | 2014-05-20 | Donaldson Co Inc | Elemento de filtro e método |
EP2125149A2 (en) | 2007-02-23 | 2009-12-02 | Donaldson Company, Inc. | Formed filter element |
US8297223B2 (en) * | 2007-10-02 | 2012-10-30 | Msp Corporation | Method and apparatus for particle filtration and enhancing tool performance in film deposition |
US9885154B2 (en) | 2009-01-28 | 2018-02-06 | Donaldson Company, Inc. | Fibrous media |
GB0904768D0 (en) * | 2009-03-20 | 2009-05-06 | Brentnall Nicholas | Filter pad and method of manufacture |
DE202016105337U1 (de) * | 2016-09-26 | 2018-01-17 | Autefa Solutions Germany Gmbh | Aerodynamische Vliesbildeeinrichtung |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2576864A (en) * | 1946-07-13 | 1951-11-27 | Paper Patents Co | Molded filter product |
US2539768A (en) * | 1947-05-05 | 1951-01-30 | Cuno Eng Corp | Filter element and method of making the same |
US3251475A (en) * | 1955-04-18 | 1966-05-17 | Fmc Corp | Fibrous filter body |
US3073735A (en) * | 1955-04-18 | 1963-01-15 | American Viscose Corp | Method for producing filters |
US2963744A (en) * | 1956-06-13 | 1960-12-13 | Mcintire Company | Filter element and machine for making same |
US3003643A (en) * | 1957-10-28 | 1961-10-10 | Johnson & Johnson | Filter media |
US3210229A (en) * | 1961-06-30 | 1965-10-05 | Bowser Inc | Liquid fuel filter |
US3261473A (en) * | 1964-02-12 | 1966-07-19 | Johns Manville | Glass fiber cartridge filters for drycleaning solvent filtration |
US3347391A (en) * | 1964-10-29 | 1967-10-17 | Owens Corning Fiberglass Corp | Filter cartridge and method of making the same |
US3352423A (en) * | 1965-04-08 | 1967-11-14 | Filters Inc | Filter and coalescer element |
US3538020A (en) * | 1966-09-23 | 1970-11-03 | Kata Mfg & Filtering Co The | Fluid purification device containing a cartridge of polymer entrapped aggregate particles |
US3450632A (en) * | 1967-05-03 | 1969-06-17 | Chevron Res | Method for simultaneously coalescing,filtering and removing oil traces from liquids and media for accomplishing the same |
US3516557A (en) * | 1968-10-23 | 1970-06-23 | Sperry Rand Corp | Positional control means for a material handling and storage system |
DE2038629A1 (de) * | 1970-08-04 | 1972-02-17 | Naue Kg E A H | Doppelt vernadelte Chemiefasermatte mit hoher Filterwirkung und deren Herstellungsverfahren |
US3816233A (en) * | 1970-10-01 | 1974-06-11 | Specialty Converters | Manufacture of urethane foam sheets |
US3680709A (en) * | 1970-11-18 | 1972-08-01 | Charles L Snow | Cartridge type filter and method of making same |
US3759393A (en) * | 1971-08-05 | 1973-09-18 | American Air Filter Co | Fluid treating filter |
GB1429476A (en) * | 1972-07-05 | 1976-03-24 | Secr Defence | Filter assemblies |
GB1522280A (en) * | 1976-06-01 | 1978-08-23 | Hollingsworth & Vose Co | Filter medium and method of making same |
US4230463A (en) * | 1977-09-13 | 1980-10-28 | Monsanto Company | Multicomponent membranes for gas separations |
US4257791A (en) * | 1976-12-21 | 1981-03-24 | Lydall, Inc. | Filter |
IT1077372B (it) * | 1977-03-29 | 1985-05-04 | Montedison Spa | Perfezionamenti nei filtri a base di miscele di fibre sintetiche con cellulosa |
JPS5643457A (en) * | 1979-09-18 | 1981-04-22 | Japan Vilene Co Ltd | Production of nonwoven fabric molded article |
JPS5738916A (en) * | 1980-08-22 | 1982-03-03 | Dynic Corp | Filter medium for gas |
JPS5784713A (en) * | 1980-11-12 | 1982-05-27 | Toyobo Co Ltd | Production of filter |
-
1985
- 1985-08-15 US US06/765,782 patent/US4661132A/en not_active Expired - Fee Related
-
1986
- 1986-05-22 EP EP86106957A patent/EP0212082A1/en not_active Withdrawn
- 1986-05-26 NZ NZ216288A patent/NZ216288A/xx unknown
- 1986-05-28 CA CA000510215A patent/CA1282013C/en not_active Expired - Lifetime
- 1986-06-03 AU AU58309/86A patent/AU574318B2/en not_active Ceased
- 1986-06-11 ZA ZA864362A patent/ZA864362B/xx unknown
- 1986-06-23 BR BR8602902A patent/BR8602902A/pt unknown
- 1986-07-26 CN CN198686105545A patent/CN86105545A/zh active Pending
- 1986-07-31 JP JP61181186A patent/JPS6245307A/ja active Pending
- 1986-08-14 ES ES8601141A patent/ES2001528A6/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1282013C (en) | 1991-03-26 |
BR8602902A (pt) | 1987-03-17 |
CN86105545A (zh) | 1987-02-11 |
JPS6245307A (ja) | 1987-02-27 |
AU574318B2 (en) | 1988-06-30 |
ES2001528A6 (es) | 1988-06-01 |
US4661132A (en) | 1987-04-28 |
EP0212082A1 (en) | 1987-03-04 |
NZ216288A (en) | 1989-01-06 |
AU5830986A (en) | 1987-02-19 |
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