CA989321A - Method and aparatus for filtering flowable material - Google Patents

Method and aparatus for filtering flowable material

Info

Publication number
CA989321A
CA989321A CA118,152A CA118152A CA989321A CA 989321 A CA989321 A CA 989321A CA 118152 A CA118152 A CA 118152A CA 989321 A CA989321 A CA 989321A
Authority
CA
Canada
Prior art keywords
aparatus
flowable material
filtering
filtering flowable
flowable
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
CA118,152A
Other languages
English (en)
Inventor
David C. Piggott
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.)
PCL Industries Ltd
Original Assignee
PCL Industries 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 PCL Industries Ltd filed Critical PCL Industries Ltd
Application granted granted Critical
Publication of CA989321A publication Critical patent/CA989321A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B01D29/902—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding containing fixed liquid displacement elements or cores
    • 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
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B01D29/945—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes for continuously discharging concentrated liquid
    • 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
    • B29C48/693—Substantially flat filters mounted at the end of an extruder screw perpendicular to the feed axis
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/02—Filtering elements having a conical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/44—Special measures allowing the even or uniform distribution of fluid along the length of a conduit
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA118,152A 1970-07-17 1971-07-14 Method and aparatus for filtering flowable material Expired CA989321A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5580970A 1970-07-17 1970-07-17
US00303750A US3817377A (en) 1970-07-17 1972-11-06 Method and apparatus for filtering flowable material

Publications (1)

Publication Number Publication Date
CA989321A true CA989321A (en) 1976-05-18

Family

ID=26734644

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,152A Expired CA989321A (en) 1970-07-17 1971-07-14 Method and aparatus for filtering flowable material

Country Status (5)

Country Link
US (1) US3817377A (de)
CA (1) CA989321A (de)
DE (1) DE2135793C2 (de)
FR (1) FR2101796A5 (de)
GB (1) GB1361461A (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021346A (en) * 1975-03-17 1977-05-03 Berthiaume Robert L Filter for plastic extruding machine
US4019987A (en) * 1976-01-14 1977-04-26 Leonard L Extended area filters
JPS5443985A (en) * 1977-09-14 1979-04-06 Nippon Ripuromashin Kougiyou K Apparatus for removing foreign substance in synthetic resin recovering machine
DE2830386C2 (de) * 1978-07-11 1982-09-02 Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen Verfahren zum Sortieren von Fasersuspensionen sowie Drucksortierer zur Durchführung des Verfahrens
DE2847887A1 (de) * 1978-11-04 1980-05-22 Sandvik Conveyor Gmbh Vorrichtung zum herstellen von granulat mit einem streifengiesser
US4257901A (en) * 1979-08-13 1981-03-24 Western Electric Co., Inc. Cleanable filter and method of cleaning same
US4358375A (en) * 1979-09-11 1982-11-09 Allied Corporation Filter pack
DE2947685A1 (de) * 1979-11-27 1981-07-23 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Filtervorrichtung fuer schneckenextruder
JPH0125666Y2 (de) * 1984-10-06 1989-08-01
IT1185629B (it) * 1985-05-31 1987-11-12 Pirelli Cavi Spa Dispositivo granulatore
DE3617370A1 (de) * 1986-05-23 1987-12-10 Hoechst Ag Filtervorrichtung zum gleichmaessigen filtrieren von kunststoffschmelzen
US4710288A (en) * 1987-04-17 1987-12-01 Hubert Patrovsky Filtration system
DE4109369A1 (de) * 1991-03-22 1992-09-24 Reifenhaeuser Masch Werkzeugkopf zum strangpressen von schlauchfoermigen oder rohrfoermigen vorformlingen aus thermoplastifiziertem kunststoff
US5141631A (en) * 1991-06-07 1992-08-25 John Brown Inc. Polymer filter with backflush pump
US5464537A (en) * 1992-12-23 1995-11-07 Kopernicky; Jaroslav J. Filtering debris from molten plastic
US5290438A (en) * 1992-12-28 1994-03-01 Wilkins Wilfred J Sewage incineration system
DE69534435T2 (de) * 1994-07-01 2006-06-14 Kobe Steel Ltd Filterwechsler für Harzextruder
DE19524340A1 (de) * 1994-07-15 1996-01-25 Barmag Barmer Maschf Filtervorrichtung zur Filtration von Kunststoffschmelzen
US5476586A (en) * 1994-12-29 1995-12-19 A+ Corp Housing for sheet of phase-separating material
US5772879A (en) * 1995-12-11 1998-06-30 Jaikaran; Allan Self-cleaning fluid strainer
DE19618090A1 (de) * 1996-05-06 1997-11-13 Hoechst Diafoil Gmbh Filtervorrichtung zum gleichmäßigen Filtrieren von Kunststoffschmelzen
US5783223A (en) * 1996-08-27 1998-07-21 National Polymers Inc. Plastic injection molding machine with continuous removal of particulate contaminants
DE19844366A1 (de) * 1997-10-01 1999-04-22 Wil Man Polymer Filtration Gmb Fluidfiltervorrichtung
DE10001907A1 (de) * 2000-01-19 2001-08-02 Hydac Process Technology Gmbh Filtervorrichtung
DE10103005A1 (de) * 2000-07-16 2002-01-24 Troester Maschf Paul Vorrichtung zur Abdichtung einer Lochscheibe in einer Extrusionsanlage
US6582598B2 (en) 2000-12-14 2003-06-24 Hubert Patrovsky Wave filter for rotary filter
DE10315906B4 (de) * 2003-04-08 2006-09-28 Battenfeld Extrusionstechnik Gmbh Vorrichtung zum Verteilen von plastischer Kunststoffmasse
DE102006056471A1 (de) * 2006-11-28 2008-05-29 Gneuß Kunststofftechnik GmbH Schmelzefilter
CN102514173B (zh) * 2011-12-07 2014-05-21 浙江大学 动态微通道塑料挤出成型装置及方法
WO2016131072A2 (de) 2015-02-19 2016-08-25 Next Generation Analytics Gmbh Bandfilter
AT516379B1 (de) 2015-02-19 2016-05-15 Next Generation Analytics Gmbh Filtervorrichtung und -verfahren
EP3088157B1 (de) * 2015-04-30 2021-05-12 Fimic S.r.l. Filter für kunststoffmaterial
EP3308940A1 (de) * 2016-10-17 2018-04-18 Next Generation Analytics GmbH Filtersystem für viskose oder hochviskose flüssigkeiten, insbesondere kunststoffschmelzen und verfahren zur filtration von viskosen oder hochviskosen flüssigkeiten
US11260570B2 (en) * 2018-05-07 2022-03-01 PSI-Polymer Systems, Inc. Filtration apparatuses and screen changer devices for polymer processing and related methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1990992A (en) * 1933-08-08 1935-02-12 American Voith Contact Co Inc Method and means of mechanically separating slimy substance from fiber stock
US2513795A (en) * 1946-08-30 1950-07-04 Western Electric Co Strainer
US2784843A (en) * 1954-08-10 1957-03-12 American Viscose Corp Filter construction
US3337053A (en) * 1964-02-27 1967-08-22 Sommermeyer Heinrich Magnetic filter
US3459307A (en) * 1967-10-11 1969-08-05 Henry R Collins Jr Small particle bypass filter means

Also Published As

Publication number Publication date
DE2135793C2 (de) 1982-02-18
GB1361461A (en) 1974-07-24
US3817377A (en) 1974-06-18
DE2135793A1 (de) 1972-01-20
FR2101796A5 (de) 1972-03-31

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