ES2047836T3 - Filtro interpuesto. - Google Patents

Filtro interpuesto.

Info

Publication number
ES2047836T3
ES2047836T3 ES90250124T ES90250124T ES2047836T3 ES 2047836 T3 ES2047836 T3 ES 2047836T3 ES 90250124 T ES90250124 T ES 90250124T ES 90250124 T ES90250124 T ES 90250124T ES 2047836 T3 ES2047836 T3 ES 2047836T3
Authority
ES
Spain
Prior art keywords
filter medium
offsets
folding
zig
influence
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 - Lifetime
Application number
ES90250124T
Other languages
English (en)
Inventor
Hans-Joachim Dr Lippold
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6381262&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2047836(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of ES2047836T3 publication Critical patent/ES2047836T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/012—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B29C66/83513—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums cooperating jaws mounted on rollers, cylinders or drums and moving in a closed path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/04—Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B29L2009/001—Layered products the layers being loose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/14—Filters
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/48—Processes of making filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Centrifugal Separators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

FILTRO INTERPUESTO EN FORMA DE SILLAR, COMPUESTO DE UNA CANTIDAD DE PAREDES PLEGADAS EN ZIG-ZAG, PARA UN MEDIO A FILTRAR QUE PASA DE UNA ZONA DE BORDE DE LOS PLIEGUES A LA ZONA DE BORDE DE LOS PLIEGUES OPUESTOS. LOS PLIEGUES TIENEN SALIENTES QUE SIRVEN PARA MANTENER LA DISTANCIA Y EL MEDIO DE FILTRACION SE PUEDE ENDURECEZ, POR CALOR, POR LO MENOS EN LAS ZONAS DE LOS BORDES. EL MEDIO FILTRANTE (11) CONTIENE FIBRAS DE MATERIAL TERMOPLASTICO QUE SE DENSIFICAN O ENDURECEN O LIGAN CON EL MATERIAL CORRESPONDIENTE, MEDIANTE SOLDADURA POR CALOR, EN LA ZONA DE LOS SALIENTES (30, 36, 37) Y/O DE LOS BORDES DE LOS PLIEGUES (23 HASTA 29, 40, 55 HASTA 57).
ES90250124T 1989-05-19 1990-05-11 Filtro interpuesto. Expired - Lifetime ES2047836T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3916838A DE3916838A1 (de) 1989-05-19 1989-05-19 Filtereinsatz

Publications (1)

Publication Number Publication Date
ES2047836T3 true ES2047836T3 (es) 1994-03-01

Family

ID=6381262

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90250124T Expired - Lifetime ES2047836T3 (es) 1989-05-19 1990-05-11 Filtro interpuesto.

Country Status (8)

Country Link
US (1) US5089202A (es)
EP (1) EP0398459B1 (es)
JP (1) JPH03137909A (es)
AT (1) ATE97338T1 (es)
CA (1) CA2017138C (es)
DD (1) DD294184A5 (es)
DE (2) DE3916838A1 (es)
ES (1) ES2047836T3 (es)

Families Citing this family (46)

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Publication number Priority date Publication date Assignee Title
JP2714278B2 (ja) * 1991-08-20 1998-02-16 三井化学株式会社 フィルタ及びその製造装置
DE4206738A1 (de) * 1992-03-04 1993-09-09 Minnesota Mining & Mfg Filterelement zum filtern von fluiden, insbesondere zum filtern von luft
US5501758A (en) * 1993-12-20 1996-03-26 North America Packaging Corporation Method of making a collapsible plastic container
EP0737091B9 (de) * 1993-12-30 2002-11-13 JACOBI Systemtechnik GmbH Filtereinsatz und verfahren zu dessen herstellung
IN188626B (es) * 1996-10-18 2002-10-19 Mann & Hummel Filter
FR2774925B3 (fr) * 1998-02-17 2000-04-14 Filtrauto Cartouche de filtration, notamment pour moteur a combustion interne
US6932850B1 (en) * 1998-06-29 2005-08-23 Pall Corporation Pleated filter and a method for making the same
DE19829100C1 (de) * 1998-06-30 2000-02-10 Otmar Koehler Faltenfilter
US6276045B1 (en) * 1998-10-28 2001-08-21 Abb Lummus Global, Inc. Method and apparatus for making structured packing element
DE19941029C2 (de) * 1999-08-28 2001-07-26 Freudenberg Carl Fa Filtereinsatz aus einem zickzackförmig gefalteten Faltenpack und Verfahren zu seiner Herstellung
ATE345860T1 (de) * 2000-09-21 2006-12-15 Lpd Technologies Inc Fluidfilterelement
ES2305112T3 (es) * 2000-10-03 2008-11-01 Valeo Materiaux De Friction Dispositivo de filtracion, especialmente para vehiculo automovil, procedimiento de fabricacion de tal dispositivo para la puesta en practica del procedimiento.
FR2814685B1 (fr) * 2000-10-03 2003-10-24 Valeo Dispositif de filtration, notamment pour vehicule automobile, procede de fabrication d'un tel dispositif de filtration et dispositif pour la mise en oeuvre du procede
US7097684B2 (en) * 2002-12-12 2006-08-29 Aaf-Mcquay, Inc. Method of forming combined pleated scrim and filter media materials and product of same
DE10356997A1 (de) * 2003-12-03 2005-07-07 Helmut Swars Partikelfilter
US7661540B2 (en) 2003-12-30 2010-02-16 Aaf Mcquay, Inc. Method of forming spaced pleated filter material and product of same
JP4572585B2 (ja) * 2004-06-03 2010-11-04 トヨタ紡織株式会社 積層フィルタの製造方法
US7625418B1 (en) 2005-06-08 2009-12-01 Aaf-Mcquay, Inc. Spacer arrangement for pleated filter
US7368003B2 (en) * 2005-06-24 2008-05-06 S.C. Johnson & Son, Inc. Systems for and methods of providing air purification in combination with odor elimination
US7537647B2 (en) * 2005-08-10 2009-05-26 S.C. Johnson & Son, Inc. Air purifier
DE502006007503D1 (de) * 2005-11-11 2010-09-02 Freudenberg Carl Kg Laserschweissverfahren und damit hergestelltes filterelement
DE102006014236A1 (de) 2006-03-28 2007-10-04 Irema-Filter Gmbh Plissierbares Vliesmaterial und Verfahren und Vorrichtung zur Herstellung derselben
WO2008095196A1 (en) 2007-02-02 2008-08-07 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
AU2008268271B8 (en) 2007-06-26 2014-04-10 Donaldson Company, Inc. Filtration media pack, filter elements, and methods
CA2747798C (en) * 2008-01-14 2016-07-12 Dpoint Technologies Inc. Cross-pleated membrane cartridges, and method and apparatus for making cross-pleated membrane cartridges
BRPI0907653B1 (pt) 2008-02-04 2019-07-02 Donaldson Company, Inc Método para formar meios de filtração encanelados
AU2009273893A1 (en) * 2008-07-25 2010-01-28 Donaldson Company, Inc. Pleated filtration media pack comprising flutes
JP5466853B2 (ja) 2008-12-25 2014-04-09 日本無機株式会社 プリーツ型エアフィルタパック及びそれを用いたエアフィルタ
CA2698841A1 (en) * 2009-04-03 2010-10-03 John Pocher Reinforced, pleated filter structure
US8221567B2 (en) * 2009-06-08 2012-07-17 Wix Filtration Corp Llc Filter media and system and method of manufacturing the same
EP2461884B1 (en) 2009-08-03 2019-11-06 Donaldson Company, Inc. Method for forming fluted filtration media having tapered flutes
CN102781546B (zh) * 2010-01-25 2016-01-06 唐纳森公司 具有楔形槽的褶状过滤介质
DE102010011785A1 (de) * 2010-03-17 2011-09-22 Mann+Hummel Gmbh Vorrichtung zum Falten eines bahnförmigen Filtermediums und Verfahren zur Herstellung eines zickzackförmig gefalteten Filterelements
KR20140004066A (ko) * 2010-09-20 2014-01-10 테크트로닉 플로어 케어 테크놀로지 리미티드 필터 및 그 제조방법
JP2012139651A (ja) * 2011-01-04 2012-07-26 Toyota Boshoku Corp フィルタエレメント
DE102011113649A1 (de) * 2011-09-19 2013-03-21 Mann + Hummel Gmbh Filterelement, Vorrichtung zum Falten eines bahnförmigen Filtermediums und Verfahren zur Herstellung eines zickzackförmig gefalteten Filterelements
DE102013008402A1 (de) 2013-05-16 2014-11-20 Irema-Filter Gmbh Faservlies und Verfahren zur Herstellung desselben
US9649792B2 (en) 2013-10-15 2017-05-16 Velcro BVBA Forming longitudinally pleated products
DE102014018233A1 (de) * 2013-12-05 2015-06-11 Mann + Hummel Gmbh Filterelement mit Filterbalg
DE102014117506A1 (de) * 2014-11-28 2016-06-02 Filta Co., Ltd Filtermedium mit großem Faltenabstand
EP3337588B8 (en) 2015-08-17 2020-11-11 Parker-Hannificn Corporation Methods of making filter media packs
US11278833B2 (en) 2015-08-17 2022-03-22 Parker-Hamilton Corporation Filter media packs, methods of making, and ultrasonic cutting or welding
DE102016209482A1 (de) * 2016-05-31 2017-11-30 Mahle International Gmbh Verfahren zur Herstellung eines Filtermediums sowie Filtermedium
DE102018117255A1 (de) * 2017-07-19 2019-01-24 Mann+Hummel Gmbh Filtermedium, Faltenpack, Filterelement, Verfahren zum Herstellen eines Filtermediums und eines Faltenpacks sowie Verfahren zum Filtern eines Fluids
CN110448973B (zh) * 2019-08-07 2021-09-17 九江七所精密机电科技有限公司 一种锥形筒式空气滤芯及其制作工艺
CN115008756A (zh) * 2022-06-09 2022-09-06 贺德克液压技术(上海)有限公司 一种优化过滤材料纵向加工工艺

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Also Published As

Publication number Publication date
DE3916838A1 (de) 1990-11-22
US5089202A (en) 1992-02-18
EP0398459A1 (de) 1990-11-22
ATE97338T1 (de) 1993-12-15
DE59003504D1 (de) 1993-12-23
CA2017138C (en) 1999-05-04
JPH03137909A (ja) 1991-06-12
DD294184A5 (de) 1991-09-26
CA2017138A1 (en) 1990-11-19
EP0398459B1 (de) 1993-11-18

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