GB1481666A - Low pressure drop filter medium - Google Patents

Low pressure drop filter medium

Info

Publication number
GB1481666A
GB1481666A GB3884/75A GB388475A GB1481666A GB 1481666 A GB1481666 A GB 1481666A GB 3884/75 A GB3884/75 A GB 3884/75A GB 388475 A GB388475 A GB 388475A GB 1481666 A GB1481666 A GB 1481666A
Authority
GB
United Kingdom
Prior art keywords
air
filter medium
pressure drop
jan
less
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3884/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1481666A publication Critical patent/GB1481666A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/026—Porous

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
GB3884/75A 1974-01-30 1975-01-29 Low pressure drop filter medium Expired GB1481666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43788074A 1974-01-30 1974-01-30

Publications (1)

Publication Number Publication Date
GB1481666A true GB1481666A (en) 1977-08-03

Family

ID=23738304

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3884/75A Expired GB1481666A (en) 1974-01-30 1975-01-29 Low pressure drop filter medium

Country Status (6)

Country Link
JP (1) JPS6036807B2 (enrdf_load_stackoverflow)
CA (1) CA1044615A (enrdf_load_stackoverflow)
DE (1) DE2503615C2 (enrdf_load_stackoverflow)
FR (1) FR2258888B1 (enrdf_load_stackoverflow)
GB (1) GB1481666A (enrdf_load_stackoverflow)
IT (1) IT1029389B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126162A (en) * 1982-09-02 1984-03-21 Kimberly Clark Co Nonwoven laminate wiper
GB2235652A (en) * 1989-07-19 1991-03-13 Alcantara Spa Composite article
WO2007118640A3 (de) * 2006-04-13 2007-12-06 Eurofilters Nv Filterbeutel für einen staubsauger sowie dessen verwendung
CN103760065A (zh) * 2013-06-28 2014-04-30 中国石油化工股份有限公司 一种聚合物溶液流动有效视粘度的测试方法及其测试系统

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188197A (en) * 1975-09-25 1980-02-12 Dennison Manufacturing Company Particulate filtering
IT1077372B (it) * 1977-03-29 1985-05-04 Montedison Spa Perfezionamenti nei filtri a base di miscele di fibre sintetiche con cellulosa
JPS54112071A (en) * 1978-02-22 1979-09-01 Mitsui Petrochemical Ind Method of filtering liquid
JPS6022100B2 (ja) * 1978-05-01 1985-05-31 東亜燃料工業株式会社 不織布の製造法
JPS6056825B2 (ja) * 1978-05-01 1985-12-12 東亜燃料工業株式会社 不織布の製造法
JPS5624013A (en) * 1979-05-04 1981-03-07 Nitta Kk Structure of air filter element
US4548628A (en) * 1982-04-26 1985-10-22 Asahi Kasei Kogyo Kabushiki Kaisha Filter medium and process for preparing same
DE3428359A1 (de) * 1984-08-01 1986-02-06 Düpro AG, Romanshorn Luftreinigungsgeraet
DE3517923A1 (de) * 1985-05-18 1986-11-27 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Verfahren zur herstellung von natuerlich duftender atemluft
US4714647A (en) * 1986-05-02 1987-12-22 Kimberly-Clark Corporation Melt-blown material with depth fiber size gradient
JPH0729010B2 (ja) * 1986-12-16 1995-04-05 富士通株式会社 電子写真装置
DE3731575A1 (de) * 1987-09-19 1989-03-30 Freudenberg Carl Fa Filterpack
DE3812849C3 (de) * 1988-04-18 1996-03-21 Gessner & Co Gmbh Staubfilterbeutel, dessen Herstellung und Verwendung
JPH02289161A (ja) * 1989-08-03 1990-11-29 Toray Ind Inc ミクロフィルター用積層不織布シートの製造方法
JPH0493020U (enrdf_load_stackoverflow) * 1989-12-25 1992-08-13
DE4134222C2 (de) * 1991-10-16 2002-09-19 Mhb Filtration Gmbh & Co Kg Filter für Fahrgastzellen
DE4212112A1 (de) * 1992-04-10 1993-10-14 Sandler C H Gmbh Mehrschichtiges Filtermaterial
US5350443B2 (en) * 1993-04-19 1999-08-10 Von Hasso Bluecher Filter sheet material for passenger cabins in motor vehicles
DE19605863A1 (de) * 1996-02-16 1997-08-21 Reemtsma H F & Ph Cigarettenfilter
WO2005123952A2 (en) * 2004-06-09 2005-12-29 Pathogen Removal And Diagnostic Technologies Inc. Particles embedded ina porous substrate for removing target analyte from a sample
US20070074628A1 (en) * 2005-09-30 2007-04-05 Jones David C Coalescing filtration medium and process
DE102016125182A1 (de) * 2016-12-21 2018-06-21 Groz-Beckert Kg Verfahren zur Herstellung von Fasern und Vliesstoffen durch Solution-Blow-Spinnen und damit hergestellter Vliesstoff

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5316696Y2 (enrdf_load_stackoverflow) * 1971-12-03 1978-05-02

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126162A (en) * 1982-09-02 1984-03-21 Kimberly Clark Co Nonwoven laminate wiper
GB2235652A (en) * 1989-07-19 1991-03-13 Alcantara Spa Composite article
GB2235652B (en) * 1989-07-19 1993-01-27 Alcantara Spa Composite article
WO2007118640A3 (de) * 2006-04-13 2007-12-06 Eurofilters Nv Filterbeutel für einen staubsauger sowie dessen verwendung
AU2007237471B2 (en) * 2006-04-13 2011-08-18 Eurofilters N.V. Filter bag for a vacuum cleaner, and use thereof
US8152879B2 (en) 2006-04-13 2012-04-10 Eurofilters N.V. Filter bag for a vacuum cleaner and also use thereof
CN101421015B (zh) * 2006-04-13 2012-11-28 欧洲过滤袋公司 真空吸尘器用滤袋及其应用
CN103760065A (zh) * 2013-06-28 2014-04-30 中国石油化工股份有限公司 一种聚合物溶液流动有效视粘度的测试方法及其测试系统
CN103760065B (zh) * 2013-06-28 2016-01-06 中国石油化工股份有限公司 一种聚合物溶液流动有效视粘度的测试方法及其测试系统

Also Published As

Publication number Publication date
IT1029389B (it) 1979-03-10
FR2258888A1 (enrdf_load_stackoverflow) 1975-08-22
JPS50108677A (enrdf_load_stackoverflow) 1975-08-27
DE2503615C2 (de) 1986-10-23
DE2503615A1 (de) 1975-07-31
CA1044615A (en) 1978-12-19
FR2258888B1 (enrdf_load_stackoverflow) 1981-12-11
JPS6036807B2 (ja) 1985-08-22

Similar Documents

Publication Publication Date Title
GB1481666A (en) Low pressure drop filter medium
US4011067A (en) Filter medium layered between supporting layers
GB1522280A (en) Filter medium and method of making same
GB1474348A (en) Biaxially oriented non-woven fabrics and method of making same
GB1100485A (en) Non-adherent dressing manufacture
DK1032342T3 (da) Fremgangsmåde og indretning til fremstilling af en cellulose-fibre bestående fiberstofbane til anvendelsen i hygiejneartikler
IE41002B1 (en) Non-woven fabric for filtering blood
CA2068432A1 (en) Production of particulate solid bearing low density air permeable sheet materials
GB1008703A (en) Improvements in or relating to a method of manufacturing a fibrous web
NZ509623A (en) A laminate product including a first layer of porous expanded polytetrafluoroethylene membrane and a second layer comprising a woven fabric of polytetrafluoroethylene containing yarn
ATE35005T1 (de) Polgewebe enthaltender verbundfaserstoff zum schutz gegen chemische mittel.
HK92486A (en) Liquid filter assembly
GB1273169A (en) Improvements in adhesive tape
GB1130571A (en) Composite fabrics and process for making them
GB1319541A (en) Iron-on stiffening
EP0378192A3 (en) Filter apparatus
GB1468414A (en) Fabric fastening
ES447078A1 (es) Procedimiento para la produccion de una tela aglomerada ter-micamente por segmentos.
GB1476761A (en) Filter elements
GB1224118A (en) Method of manufacturing a material similar to textile, containing paper
GB1190460A (en) Improved Media for Air-Filters.
JPS5765311A (en) Filter material
GB1378021A (en) Non-woven fabrics
FR2044454A5 (en) High strength waterproof composite paper - fabric
GB1253248A (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee