DE3271768D1 - Improvements relating to filtration devices - Google Patents

Improvements relating to filtration devices

Info

Publication number
DE3271768D1
DE3271768D1 DE8282303993T DE3271768T DE3271768D1 DE 3271768 D1 DE3271768 D1 DE 3271768D1 DE 8282303993 T DE8282303993 T DE 8282303993T DE 3271768 T DE3271768 T DE 3271768T DE 3271768 D1 DE3271768 D1 DE 3271768D1
Authority
DE
Germany
Prior art keywords
barrel
filter
openings
filter element
drum
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
DE8282303993T
Other languages
English (en)
Inventor
Peter Alan Morris
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.)
Cresta Technology Ltd
Original Assignee
Cresta Technology Ltd
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 Cresta Technology Ltd filed Critical Cresta Technology Ltd
Application granted granted Critical
Publication of DE3271768D1 publication Critical patent/DE3271768D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
    • B29C48/273—Cleaning; Purging; Avoiding contamination of filters using back flow
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
    • B29C48/6914—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/69—Filters or screens for the moulding material
    • B29C48/694—Cylindrical or conical filters
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Filtration Of Liquid (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Centrifugal Separators (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Glass Compositions (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Harvester Elements (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
DE8282303993T 1981-08-05 1982-07-28 Improvements relating to filtration devices Expired DE3271768D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8123933 1981-08-05

Publications (1)

Publication Number Publication Date
DE3271768D1 true DE3271768D1 (en) 1986-07-24

Family

ID=10523713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282303993T Expired DE3271768D1 (en) 1981-08-05 1982-07-28 Improvements relating to filtration devices

Country Status (10)

Country Link
US (1) US4442002A (de)
EP (1) EP0072149B1 (de)
JP (1) JPS5859073A (de)
AT (1) ATE20445T1 (de)
AU (1) AU554371B2 (de)
CA (1) CA1193202A (de)
DE (1) DE3271768D1 (de)
GB (1) GB2102691B (de)
IN (1) IN158245B (de)
ZA (1) ZA825391B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734188A (en) * 1986-10-15 1988-03-29 Nordson Corporation Filter for hot melt adhesive
CH673009A5 (de) * 1987-01-23 1990-01-31 Indupack Ag
DE3844821C2 (en) * 1988-07-03 1993-07-22 Kfa Juelich Gmbh, 5170 Juelich, De Micromanipulator for raster tunnel microscope
GB9024938D0 (en) * 1990-11-16 1991-01-02 Process Dev Ltd Filtering
DE4112787C1 (de) * 1991-04-19 1992-04-02 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen, De
AT400128B (de) * 1992-02-14 1995-10-25 Erema Filtriervorrichtung für fliessfähiges material, insbesondere für verunreinigte kunststoffschmelzen
DE4445254C3 (de) * 1994-12-19 2002-05-02 Maag Pump Systems Textron Gmbh Stützplatte für ein Filter
DE19618090A1 (de) * 1996-05-06 1997-11-13 Hoechst Diafoil Gmbh Filtervorrichtung zum gleichmäßigen Filtrieren von Kunststoffschmelzen
AT404801B (de) * 1996-10-11 1999-03-25 Gerold Ing Barth Filtriervorrichtung für zu reinigende fluide, insbesonders thermoplastische fluide
US6419747B1 (en) * 1999-02-26 2002-07-16 The Procter & Gamble Company Extrusion die
US6406625B1 (en) 2000-10-31 2002-06-18 Nordson Corporation Spring-biased filter assembly
ATE505296T1 (de) * 2006-02-23 2011-04-15 Bunri Inc Filtervorrichtung
AT509706B1 (de) * 2010-07-05 2011-11-15 Erema Filtriervorrichtung für fluide
US9387421B1 (en) * 2015-07-14 2016-07-12 Neptune-Benson, Llc Strainer and strainer control system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017029A (en) * 1957-01-30 1962-01-16 Gen Motors Corp Self-cleaning filter
DD102635A1 (de) * 1973-03-08 1973-12-20
US4169792A (en) * 1977-10-13 1979-10-02 Dovel William L Water intake device
JPS5927698B2 (ja) * 1977-11-28 1984-07-07 株式会社日本製鋼所 プラスチツク押出機における自動「ろ」網交換装置
GB1602585A (en) * 1978-05-26 1981-11-11 Morris P A Screening device
DE2947673C2 (de) * 1979-11-27 1982-06-16 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Filtervorrichtung für thermoplastische Formmassen verarbeitende Schneckenextruder
DE2947685A1 (de) * 1979-11-27 1981-07-23 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Filtervorrichtung fuer schneckenextruder

Also Published As

Publication number Publication date
EP0072149B1 (de) 1986-06-18
EP0072149A1 (de) 1983-02-16
GB2102691B (en) 1985-01-09
GB2102691A (en) 1983-02-09
CA1193202A (en) 1985-09-10
IN158245B (de) 1986-10-04
AU8674682A (en) 1983-02-10
AU554371B2 (en) 1986-08-21
JPS5859073A (ja) 1983-04-07
ZA825391B (en) 1983-06-29
ATE20445T1 (de) 1986-07-15
US4442002A (en) 1984-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee