IT1040121B - Mezzo filtrante a lunga durata - Google Patents

Mezzo filtrante a lunga durata

Info

Publication number
IT1040121B
IT1040121B IT2572575A IT2572575A IT1040121B IT 1040121 B IT1040121 B IT 1040121B IT 2572575 A IT2572575 A IT 2572575A IT 2572575 A IT2572575 A IT 2572575A IT 1040121 B IT1040121 B IT 1040121B
Authority
IT
Italy
Prior art keywords
long
filter media
life filter
life
media
Prior art date
Application number
IT2572575A
Other languages
English (en)
Italian (it)
Original Assignee
Gaf Corp
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 Gaf Corp filed Critical Gaf Corp
Application granted granted Critical
Publication of IT1040121B publication Critical patent/IT1040121B/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
    • 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
    • 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
    • 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
    • B01D2239/1233—Fibre diameter
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
IT2572575A 1974-08-20 1975-07-24 Mezzo filtrante a lunga durata IT1040121B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49891474A 1974-08-20 1974-08-20

Publications (1)

Publication Number Publication Date
IT1040121B true IT1040121B (it) 1979-12-20

Family

ID=23983019

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2572575A IT1040121B (it) 1974-08-20 1975-07-24 Mezzo filtrante a lunga durata

Country Status (6)

Country Link
JP (1) JPS5142168A (ja)
AU (1) AU8311675A (ja)
DE (1) DE2537104A1 (ja)
FR (1) FR2282287A1 (ja)
IT (1) IT1040121B (ja)
NL (1) NL7509875A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124370A (en) * 1978-03-22 1979-09-27 Toray Ind Inc High-strength unwoven filter cloth and its manufacturing method
DE2927287B2 (de) * 1979-07-06 1981-05-21 HELSA - Werke Helmut Sandler & Co, 8586 Gefrees Mehrlagiges Filtermaterial mit mindestens einer Lage eines offenporigen Schaumstoffes
US4324574A (en) * 1980-12-19 1982-04-13 E. I. Du Pont De Nemours And Company Felt-like layered composite of PTFE and glass paper
JPS6418423A (en) * 1987-07-15 1989-01-23 Piyuaron Japan Kk Micro-filter for use in filtering air
DE3940264A1 (de) * 1989-12-06 1991-06-13 Hoechst Ag Zwei- oder mehrschichtiges vliesstoffmaterial, insbesondere mit langzeitfiltereigenschaften, sowie verfahren zu seiner herstellung
JPH0746332Y2 (ja) * 1990-01-31 1995-10-25 株式会社土屋製作所 フィルタエレメント
DE19702705A1 (de) * 1997-01-25 1998-07-30 Erhard Wendlandt Verfahren in der Form der Oberflächen- und Tiefenfiltration, zur Gewinnung von Filtraten aus wäßrigen Medien unter Verwendung von Filtervliesen

Also Published As

Publication number Publication date
FR2282287A1 (fr) 1976-03-19
DE2537104A1 (de) 1976-03-11
JPS5142168A (ja) 1976-04-09
AU8311675A (en) 1977-01-20
NL7509875A (nl) 1976-02-24

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