IT1283227B1 - Mezzo filtrante in forma di foglio per filtri di fluidi in genere e in particolare per filtri olio per motori endotermici - Google Patents

Mezzo filtrante in forma di foglio per filtri di fluidi in genere e in particolare per filtri olio per motori endotermici

Info

Publication number
IT1283227B1
IT1283227B1 IT96MI000471A ITMI960471A IT1283227B1 IT 1283227 B1 IT1283227 B1 IT 1283227B1 IT 96MI000471 A IT96MI000471 A IT 96MI000471A IT MI960471 A ITMI960471 A IT MI960471A IT 1283227 B1 IT1283227 B1 IT 1283227B1
Authority
IT
Italy
Prior art keywords
filters
general
sheet form
filtering media
fluid
Prior art date
Application number
IT96MI000471A
Other languages
English (en)
Inventor
Alberto Fracassi
Original Assignee
Sogefi Engineering S P A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sogefi Engineering S P A filed Critical Sogefi Engineering S P A
Priority to IT96MI000471A priority Critical patent/IT1283227B1/it
Publication of ITMI960471A0 publication Critical patent/ITMI960471A0/it
Priority to AU20251/97A priority patent/AU2025197A/en
Priority to PCT/EP1997/001152 priority patent/WO1997033677A1/en
Publication of ITMI960471A3 publication Critical patent/ITMI960471A3/it
Publication of ITMI960471A1 publication Critical patent/ITMI960471A1/it
Application granted granted Critical
Publication of IT1283227B1 publication Critical patent/IT1283227B1/it

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
    • 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
    • B01D2239/0659—The layers being joined by needling
    • 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
    • B01D2239/0672—The layers being joined by welding
    • 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
    • B01D2239/0681—The layers being joined by gluing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Filtration Of Liquid (AREA)
IT96MI000471A 1996-03-11 1996-03-11 Mezzo filtrante in forma di foglio per filtri di fluidi in genere e in particolare per filtri olio per motori endotermici IT1283227B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT96MI000471A IT1283227B1 (it) 1996-03-11 1996-03-11 Mezzo filtrante in forma di foglio per filtri di fluidi in genere e in particolare per filtri olio per motori endotermici
AU20251/97A AU2025197A (en) 1996-03-11 1997-03-07 Filtering medium in sheet form for filters of fluids in general, particularly for oil filters for internal-combustion engines
PCT/EP1997/001152 WO1997033677A1 (en) 1996-03-11 1997-03-07 Filtering medium in sheet form for filters of fluids in general, particularly for oil filters for internal-combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000471A IT1283227B1 (it) 1996-03-11 1996-03-11 Mezzo filtrante in forma di foglio per filtri di fluidi in genere e in particolare per filtri olio per motori endotermici

Publications (4)

Publication Number Publication Date
ITMI960471A0 ITMI960471A0 (it) 1996-03-11
ITMI960471A3 ITMI960471A3 (it) 1997-09-11
ITMI960471A1 ITMI960471A1 (it) 1997-09-11
IT1283227B1 true IT1283227B1 (it) 1998-04-16

Family

ID=11373577

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000471A IT1283227B1 (it) 1996-03-11 1996-03-11 Mezzo filtrante in forma di foglio per filtri di fluidi in genere e in particolare per filtri olio per motori endotermici

Country Status (3)

Country Link
AU (1) AU2025197A (it)
IT (1) IT1283227B1 (it)
WO (1) WO1997033677A1 (it)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058593A (en) * 1960-03-01 1962-10-16 Purolator Products Inc Two flow rate filter
US3640839A (en) * 1968-07-13 1972-02-08 Tokyo Roki Kk Filter paper for oil filters
GB1351220A (en) * 1970-06-22 1974-04-24 Bendix Corp Filter elements
GB1522280A (en) * 1976-06-01 1978-08-23 Hollingsworth & Vose Co Filter medium and method of making same

Also Published As

Publication number Publication date
ITMI960471A0 (it) 1996-03-11
AU2025197A (en) 1997-10-01
ITMI960471A3 (it) 1997-09-11
WO1997033677A1 (en) 1997-09-18
ITMI960471A1 (it) 1997-09-11

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Legal Events

Date Code Title Description
0001 Granted