ATA246593A - FILTER, IN PARTICULAR BACKWASHABLE FILTER, FOR THE CLEANING OF POLLUTED THERMOPLASTIC PLASTICS - Google Patents

FILTER, IN PARTICULAR BACKWASHABLE FILTER, FOR THE CLEANING OF POLLUTED THERMOPLASTIC PLASTICS

Info

Publication number
ATA246593A
ATA246593A AT0246593A AT246593A ATA246593A AT A246593 A ATA246593 A AT A246593A AT 0246593 A AT0246593 A AT 0246593A AT 246593 A AT246593 A AT 246593A AT A246593 A ATA246593 A AT A246593A
Authority
AT
Austria
Prior art keywords
filter
polluted
cleaning
thermoplastic plastics
backwashable
Prior art date
Application number
AT0246593A
Other languages
German (de)
Other versions
AT399104B (en
Original Assignee
Bacher Helmut
Schulz Helmuth
Wendelin Georg
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 Bacher Helmut, Schulz Helmuth, Wendelin Georg filed Critical Bacher Helmut
Priority to AT0246593A priority Critical patent/AT399104B/en
Publication of ATA246593A publication Critical patent/ATA246593A/en
Priority to DE9418880U priority patent/DE9418880U1/en
Application granted granted Critical
Publication of AT399104B publication Critical patent/AT399104B/en

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
    • B01D29/50—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
    • B01D29/62—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
    • 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
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • 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
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/254—Sealing means
    • B29C48/2545—Sealing means for 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
    • B29C48/25—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
    • 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)
AT0246593A 1993-12-06 1993-12-06 FILTER, IN PARTICULAR BACKWASHABLE FILTER, FOR THE CLEANING OF POLLUTED THERMOPLASTIC PLASTICS AT399104B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT0246593A AT399104B (en) 1993-12-06 1993-12-06 FILTER, IN PARTICULAR BACKWASHABLE FILTER, FOR THE CLEANING OF POLLUTED THERMOPLASTIC PLASTICS
DE9418880U DE9418880U1 (en) 1993-12-06 1994-11-24 Filters, in particular backwashable filters for cleaning contaminated thermoplastic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0246593A AT399104B (en) 1993-12-06 1993-12-06 FILTER, IN PARTICULAR BACKWASHABLE FILTER, FOR THE CLEANING OF POLLUTED THERMOPLASTIC PLASTICS

Publications (2)

Publication Number Publication Date
ATA246593A true ATA246593A (en) 1994-08-15
AT399104B AT399104B (en) 1995-03-27

Family

ID=3534850

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0246593A AT399104B (en) 1993-12-06 1993-12-06 FILTER, IN PARTICULAR BACKWASHABLE FILTER, FOR THE CLEANING OF POLLUTED THERMOPLASTIC PLASTICS

Country Status (2)

Country Link
AT (1) AT399104B (en)
DE (1) DE9418880U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10214013A1 (en) * 2002-03-28 2003-10-23 Maag Pump Systems Textron Gmbh Filter unit for filtering fluids, in particular plastic melts comprises a filter screen sandwiched between filter and support plates pressed against each other
EP2740522B1 (en) 2012-12-06 2015-10-21 Aurotec GmbH Method and device for cleaning a fluid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT397043B (en) * 1992-01-31 1994-01-25 Erema FILTERING DEVICE FOR POLLUTED FLUIDS AND METHOD FOR THEIR OPERATION
DE4215472C1 (en) * 1992-05-11 1993-05-27 Gneuss Kunststofftechnik Gmbh, 4970 Bad Oeynhausen, De Welt filter for cleaning plastic melts - having sieve plate cut=out along the side which can hold filters in the form of ring members
DE4218756C1 (en) * 1992-05-22 1993-04-29 Kreyenborg Verwaltungen Und Beteiligungen Kg, 4400 Muenster, De Injection moulding machine and extrusion press filter appts. for thermoplastics - comprises barrier member in inlet channel prior to sieve bolt and housing for unimpeded plastic flow in open barrier position, for efficient continual working

Also Published As

Publication number Publication date
DE9418880U1 (en) 1995-01-26
AT399104B (en) 1995-03-27

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Legal Events

Date Code Title Description
MK07 Expiry

Effective date: 20131206