FI107129B - Förfarande för framställning av flerskiktsfiltermaterial och flerskiktsfiltermaterial - Google Patents

Förfarande för framställning av flerskiktsfiltermaterial och flerskiktsfiltermaterial Download PDF

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Publication number
FI107129B
FI107129B FI982127A FI982127A FI107129B FI 107129 B FI107129 B FI 107129B FI 982127 A FI982127 A FI 982127A FI 982127 A FI982127 A FI 982127A FI 107129 B FI107129 B FI 107129B
Authority
FI
Finland
Prior art keywords
fibers
layer
filter material
binder
multilayer filter
Prior art date
Application number
FI982127A
Other languages
English (en)
Finnish (fi)
Other versions
FI982127A0 (sv
FI982127A (sv
Inventor
Juha Sorvari
Kaj Lindblad
Original Assignee
Bki Holding 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 Bki Holding Corp filed Critical Bki Holding Corp
Priority to FI982127A priority Critical patent/FI107129B/sv
Publication of FI982127A0 publication Critical patent/FI982127A0/sv
Priority to EP99946212A priority patent/EP1042041A1/en
Priority to JP2000573449A priority patent/JP2002526236A/ja
Priority to CA002312466A priority patent/CA2312466A1/en
Priority to PCT/FI1999/000781 priority patent/WO2000020095A1/en
Publication of FI982127A publication Critical patent/FI982127A/sv
Priority to US09/585,090 priority patent/US6355079B1/en
Application granted granted Critical
Publication of FI107129B publication Critical patent/FI107129B/sv

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural 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
    • B01D39/14—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/067—Wood fibres
    • 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
    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making filter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)

Claims (4)

1. Förfarande för framställning av ett flerskiktigt filtermaterial, i vilket förfarande med torrbildningsteknik bildas ätminstone ett filtreringsskikt (15) av 5 naturfibrer, säsom träfibrer, och/eller plastfibrer och bindemedel och/eller bin-defibrer och filtreringsskiktet binds med hjälp av värme, kännetecknat av att förfarandet dessutom omfattar skeden, i vilka med torrbildningsteknik bildas i samband med nämnda atminstone 10 ena filtreringsskikt och i samband med dess bildningsskede atminstone ett härdande materialskikt (16, 17) av naturfibrer, säsom träfibrer, och/eller plastfibrer och bindemedel och/eller bindefibrer och nämnda atminstone ena härdande materialskikt (16,17) binds till en enhetlig helhet (14) med nämnda atminstone ena filtreringsskikt (15) i samma 15 skede som bindningen av filtreringsskiktet med hjälp av värme.
2. Förfarande enligt patentkrav 1, kännetecknat av att nämnda atminstone ena härdande materialskikt (16) bildas pä ena ytan av nämnda ätminstone ena filtreringsskikt (15).
3. Förfarande enligt patentkrav 1, kännetecknat avattpä 20 bägge ytorna av nämnda ätminstone ena filtreringsskikt (15) bildas ätminstone ett härdande materialskikt (16,17).
4. Flerskiktigt filtermaterial, vilket omfattar ätminstone ett med torrbildningsteknik av naturfibrer, säsom träfib-·.; rer, och/eller plastfibrer och bindemedel och/eller bindefibrer bildat och med 25 hjälp av värme bundet filtreringsskikt (15) och ätminstone ett i samband med filtreringsskiktet anordnat, härdande, av naturfibrer, säsom träfibrer, och/eller plastfibrer och bindemedel och/eller bindefibrer bildat materialskikt (16,17), k ä n n e t e c k n a t av att nämnda ätminstone ena härdande materialskikt är bildat med torr-30 bildningsteknik i samband med nämnda ätminstone ena filtreringsskikt (15) och bundet i samma skede som bindningen av filtreringsskiktet med hjälp av värme och utgör säledes ett materialskikt (16, 17) som tillsammans med nämnda ätminstone ena filtreringsskikt bildar en sömlös helhet (14). • > ·· v
FI982127A 1998-10-01 1998-10-01 Förfarande för framställning av flerskiktsfiltermaterial och flerskiktsfiltermaterial FI107129B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI982127A FI107129B (sv) 1998-10-01 1998-10-01 Förfarande för framställning av flerskiktsfiltermaterial och flerskiktsfiltermaterial
EP99946212A EP1042041A1 (en) 1998-10-01 1999-09-23 Production method for multilayer filter material and multilayer filter material
JP2000573449A JP2002526236A (ja) 1998-10-01 1999-09-23 多層濾過材の製造方法および多層濾過材
CA002312466A CA2312466A1 (en) 1998-10-01 1999-09-23 Production method for multilayer filter material and multilayer filter material
PCT/FI1999/000781 WO2000020095A1 (en) 1998-10-01 1999-09-23 Production method for multilayer filter material and multilayer filter material
US09/585,090 US6355079B1 (en) 1998-10-01 2000-06-01 Production method for multilayer filter material and multilayer filter material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982127A FI107129B (sv) 1998-10-01 1998-10-01 Förfarande för framställning av flerskiktsfiltermaterial och flerskiktsfiltermaterial
FI982127 1998-10-01

Publications (3)

Publication Number Publication Date
FI982127A0 FI982127A0 (sv) 1998-10-01
FI982127A FI982127A (sv) 2000-04-02
FI107129B true FI107129B (sv) 2001-06-15

Family

ID=8552618

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982127A FI107129B (sv) 1998-10-01 1998-10-01 Förfarande för framställning av flerskiktsfiltermaterial och flerskiktsfiltermaterial

Country Status (6)

Country Link
US (1) US6355079B1 (sv)
EP (1) EP1042041A1 (sv)
JP (1) JP2002526236A (sv)
CA (1) CA2312466A1 (sv)
FI (1) FI107129B (sv)
WO (1) WO2000020095A1 (sv)

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Also Published As

Publication number Publication date
WO2000020095A1 (en) 2000-04-13
JP2002526236A (ja) 2002-08-20
US6355079B1 (en) 2002-03-12
EP1042041A1 (en) 2000-10-11
FI982127A0 (sv) 1998-10-01
FI982127A (sv) 2000-04-02
CA2312466A1 (en) 2000-04-13

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