GB2172020B - Improvements in and relating to filters - Google Patents

Improvements in and relating to filters

Info

Publication number
GB2172020B
GB2172020B GB08605411A GB8605411A GB2172020B GB 2172020 B GB2172020 B GB 2172020B GB 08605411 A GB08605411 A GB 08605411A GB 8605411 A GB8605411 A GB 8605411A GB 2172020 B GB2172020 B GB 2172020B
Authority
GB
United Kingdom
Prior art keywords
filters
relating
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
GB08605411A
Other versions
GB8605411D0 (en
GB2172020A (en
Inventor
Prof Dr Klaus Fischer
Dr Leonidas Weibmann
Bernd Steiger
Prof Dr Eberhard Heidenreich
Dr Reiner Tittel
Peter Bohme
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.)
Filmfabrik Wolfen VEB
Original Assignee
Filmfabrik Wolfen VEB
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 Filmfabrik Wolfen VEB filed Critical Filmfabrik Wolfen VEB
Publication of GB8605411D0 publication Critical patent/GB8605411D0/en
Publication of GB2172020A publication Critical patent/GB2172020A/en
Application granted granted Critical
Publication of GB2172020B publication Critical patent/GB2172020B/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/482—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with shrinkage
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
GB08605411A 1985-03-07 1986-03-05 Improvements in and relating to filters Expired GB2172020B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD27388985A DD235188A1 (en) 1985-03-07 1985-03-07 METHOD FOR PRODUCING A FILTER FROM NON-METAL FIBER MATERIAL

Publications (3)

Publication Number Publication Date
GB8605411D0 GB8605411D0 (en) 1986-04-09
GB2172020A GB2172020A (en) 1986-09-10
GB2172020B true GB2172020B (en) 1989-01-11

Family

ID=5565859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08605411A Expired GB2172020B (en) 1985-03-07 1986-03-05 Improvements in and relating to filters

Country Status (5)

Country Link
DD (1) DD235188A1 (en)
DE (1) DE3543412A1 (en)
FR (1) FR2578443B1 (en)
GB (1) GB2172020B (en)
SE (1) SE8601048L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269603A (en) * 1992-08-14 1994-02-16 Du Pont Process for the production of fluff pulp
DE102008054584A1 (en) 2008-12-12 2010-06-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Filter medium for solid-free extraction of process water from digester outputs that are emerged through biological dismantling of renewable raw materials and biogenic raw materials, comprises a structure that is formed from coarse material
CN111135789B (en) * 2019-12-13 2022-05-27 上海勇意环境工程有限公司 360-degree flexible air purification material and preparation method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1141363A (en) * 1965-02-20 1969-01-29 Ici Fibres Ltd Non-woven fabrics and methods of making them
GB1127364A (en) * 1965-10-01 1968-09-18 Edward W Andrew Ltd Improvements in or relating to filtering media
DE1635472A1 (en) * 1966-05-27 1972-02-24 Breveteam Sa Process for the production of a textile surface structure consisting of at least one top layer and a base layer by needling the layers as well as textile surface structure produced by the method
GB1232949A (en) * 1967-04-25 1971-05-26
DE1596076C3 (en) * 1967-06-28 1974-08-01 Fa. Carl Freudenberg, 6940 Weinheim Separators for accumulators
FR1550423A (en) * 1967-11-09 1968-12-20
BE756132A (en) * 1969-09-17 1971-03-15 Kalle Ag METHOD FOR THE CONTINUOUS PREPARATION OF A DENSIFIED FIBERGLASS TAPE BY HOT SHRINKING AND DEVICE FOR IMPLEMENTING THE PROCESS
GB1297405A (en) * 1970-05-08 1972-11-22
JPS5063276A (en) * 1973-10-06 1975-05-29
DE7432111U (en) * 1974-09-25 1976-04-15 Gebr. Roeders Ag, 3040 Soltau FILTER ELEMENT
GB1602878A (en) * 1978-04-28 1981-11-18 Webron Products Ltd Stitchbonded nonwoven filter fabric
GB2084625B (en) * 1980-09-24 1983-11-30 Webron Products Ltd Finishing a tubular felted sleeve

Also Published As

Publication number Publication date
GB8605411D0 (en) 1986-04-09
SE8601048D0 (en) 1986-03-06
DD235188A1 (en) 1986-04-30
FR2578443B1 (en) 1989-08-04
FR2578443A1 (en) 1986-09-12
SE8601048L (en) 1986-09-08
GB2172020A (en) 1986-09-10
DE3543412A1 (en) 1986-09-11

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Legal Events

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