IN168768B - - Google Patents

Info

Publication number
IN168768B
IN168768B IN990/CAL/87A IN990CA1987A IN168768B IN 168768 B IN168768 B IN 168768B IN 990CA1987 A IN990CA1987 A IN 990CA1987A IN 168768 B IN168768 B IN 168768B
Authority
IN
India
Application number
IN990/CAL/87A
Inventor
Goetz Petschner
Original Assignee
Indupack Ag
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 Indupack Ag filed Critical Indupack Ag
Publication of IN168768B publication Critical patent/IN168768B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/18—Heating or cooling the filters
    • 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
    • B01D29/09—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 filtering bands, e.g. movable between filtering operations
    • 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
    • B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—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 multiple filtering elements, characterised by their mutual disposition in parallel connection
    • 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
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • B29C48/692—Filters or screens for the moulding material in the form of webs displaceable for using adjacent areas consecutively
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IN990/CAL/87A 1987-01-23 1987-12-21 IN168768B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH242/87A CH673009A5 (en) 1987-01-23 1987-01-23

Publications (1)

Publication Number Publication Date
IN168768B true IN168768B (en) 1991-06-01

Family

ID=4182530

Family Applications (1)

Application Number Title Priority Date Filing Date
IN990/CAL/87A IN168768B (en) 1987-01-23 1987-12-21

Country Status (3)

Country Link
EP (1) EP0275462A3 (en)
CH (1) CH673009A5 (en)
IN (1) IN168768B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024938D0 (en) * 1990-11-16 1991-01-02 Process Dev Ltd Filtering
DE19508658A1 (en) * 1994-03-15 1995-10-12 Wil Man Polymer Filtration Gmb Control device for fluid sub-streams
DE19704621A1 (en) 1997-01-14 1998-09-24 Josef Gail Device for cleaning viscous material
DE19961426B4 (en) * 1999-12-17 2004-04-08 Gneuß Kunststofftechnik GmbH Arrangement for filtering plastic melts
DE102007009419A1 (en) * 2007-02-23 2008-09-04 Rielmann, Maik Fluid filter assembly has main flow through first filter with back-flow through second filter to clean first
CN101288869B (en) * 2008-06-12 2011-07-20 郑州大学 Coat dust automatic filtering apparatus
ITMI20130597A1 (en) * 2013-04-12 2014-10-13 Alfatech Srl AUTOMATIC FILTER CHANGE DEVICE
ITUA20161836A1 (en) * 2016-03-21 2017-09-21 C M Produzione S R L FILTRATION DEVICE FOR EXTRUSION-FREE EXTRUSION PROCESSES.
CN107738431A (en) * 2017-11-29 2018-02-27 河南安吉塑料机械有限公司 A kind of backwash net band net-changing device
DE102021125712B4 (en) * 2021-10-04 2023-09-21 Next Generation Analytics Gmbh Process and a system for filtration of liquids and/or melts
AT526286A1 (en) * 2022-07-11 2024-01-15 Engel Austria Gmbh Filter device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278425A (en) * 1961-02-07 1900-01-01
DE1269595B (en) * 1965-07-30 1968-06-06 Buss Ag Extruder screw
DE1779497A1 (en) * 1968-08-20 1971-09-16 Sieg Kunststoffe Gmbh Spray head in the extruder line
US3856674A (en) * 1972-04-19 1974-12-24 P Kalman Filtering process and apparatus
DE2403765C3 (en) * 1974-01-26 1978-08-10 Rudolf Paul 7000 Stuttgart Fritsch Sieve device for cleaning molten plastic, in particular a sieve device that can be attached to an extruder
FR2332113A1 (en) * 1975-11-24 1977-06-17 Rigot Stalars & Vandesmet Automatic continuous filtration of molten plastics - with intermittently displaced band filter
JPS53112962A (en) * 1977-03-15 1978-10-02 Tomoo Kinoshita Wireenet replacement device of plastic filter
JPS5927698B2 (en) * 1977-11-28 1984-07-07 株式会社日本製鋼所 Automatic "filter" mesh exchange device in plastic extrusion machine
US4159953A (en) * 1978-06-05 1979-07-03 The Berlyn Corporation Slide plate filters for thermoplastic and similar materials
DE2947673C2 (en) * 1979-11-27 1982-06-16 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Filter device for screw extruders processing thermoplastic molding compounds
GB2102691B (en) * 1981-08-05 1985-01-09 Cresta Tech Rotary filter
US4511472A (en) * 1983-03-30 1985-04-16 Beringer Co., Inc. Apparatus for continuous polymer filtration

Also Published As

Publication number Publication date
CH673009A5 (en) 1990-01-31
EP0275462A2 (en) 1988-07-27
EP0275462A3 (en) 1989-06-28

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