NL7509875A - NON-WOVEN LAYERED FILTER MEDIUM. - Google Patents

NON-WOVEN LAYERED FILTER MEDIUM.

Info

Publication number
NL7509875A
NL7509875A NL7509875A NL7509875A NL7509875A NL 7509875 A NL7509875 A NL 7509875A NL 7509875 A NL7509875 A NL 7509875A NL 7509875 A NL7509875 A NL 7509875A NL 7509875 A NL7509875 A NL 7509875A
Authority
NL
Netherlands
Prior art keywords
filter medium
layered filter
woven layered
woven
medium
Prior art date
Application number
NL7509875A
Other languages
Dutch (nl)
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
Publication of NL7509875A publication Critical patent/NL7509875A/en

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)
NL7509875A 1974-08-20 1975-08-20 NON-WOVEN LAYERED FILTER MEDIUM. NL7509875A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7509875A true NL7509875A (en) 1976-02-24

Family

ID=23983019

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7509875A NL7509875A (en) 1974-08-20 1975-08-20 NON-WOVEN LAYERED FILTER MEDIUM.

Country Status (6)

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

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 (en) * 1979-07-06 1981-05-21 HELSA - Werke Helmut Sandler & Co, 8586 Gefrees Multi-layer filter material with at least one layer of open-cell foam
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 (en) * 1989-12-06 1991-06-13 Hoechst Ag TWO OR MULTILAYER LIQUID MATERIAL, ESPECIALLY WITH LONG-TERM FILTER PROPERTIES, AND METHOD FOR THE PRODUCTION THEREOF
JPH0746332Y2 (en) * 1990-01-31 1995-10-25 株式会社土屋製作所 Filter element
DE19702705A1 (en) * 1997-01-25 1998-07-30 Erhard Wendlandt Ultra-filtration for potable water

Also Published As

Publication number Publication date
DE2537104A1 (en) 1976-03-11
AU8311675A (en) 1977-01-20
JPS5142168A (en) 1976-04-09
FR2282287A1 (en) 1976-03-19
IT1040121B (en) 1979-12-20

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Legal Events

Date Code Title Description
BV The patent application has lapsed