HU174493B - Screen structure particularly for plastic material processing extruders - Google Patents

Screen structure particularly for plastic material processing extruders

Info

Publication number
HU174493B
HU174493B HU75PA1221A HUPA001221A HU174493B HU 174493 B HU174493 B HU 174493B HU 75PA1221 A HU75PA1221 A HU 75PA1221A HU PA001221 A HUPA001221 A HU PA001221A HU 174493 B HU174493 B HU 174493B
Authority
HU
Hungary
Prior art keywords
plastic material
material processing
screen structure
structure particularly
processing extruders
Prior art date
Application number
HU75PA1221A
Other languages
Hungarian (hu)
Inventor
Helmut Rolle
Peter Wende
Original Assignee
Karl Marx Stadt Maschf
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 Karl Marx Stadt Maschf filed Critical Karl Marx Stadt Maschf
Publication of HU174493B publication Critical patent/HU174493B/en

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
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2554—Flow control means, e.g. valves provided in or in the proximity of filter devices
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
    • B29C48/2735—Cleaning; Purging; Avoiding contamination of filters using scrapers
    • 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
    • B29C48/25—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
HU75PA1221A 1974-08-19 1975-07-16 Screen structure particularly for plastic material processing extruders HU174493B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD180563A DD114239A1 (en) 1974-08-19 1974-08-19

Publications (1)

Publication Number Publication Date
HU174493B true HU174493B (en) 1980-01-28

Family

ID=5496970

Family Applications (1)

Application Number Title Priority Date Filing Date
HU75PA1221A HU174493B (en) 1974-08-19 1975-07-16 Screen structure particularly for plastic material processing extruders

Country Status (8)

Country Link
BG (1) BG28119A1 (en)
CS (1) CS191466B1 (en)
DD (1) DD114239A1 (en)
DE (1) DE2522078A1 (en)
GB (1) GB1494032A (en)
HU (1) HU174493B (en)
PL (1) PL106235B1 (en)
SU (1) SU587008A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947673C2 (en) * 1979-11-27 1982-06-16 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Filter device for screw extruders processing thermoplastic molding compounds
JPS60112365U (en) * 1983-12-19 1985-07-30 グツドイアー　エアロスペース　コーポレーシヨン spray nozzle extension unit
EP0250695B1 (en) * 1986-06-06 1990-04-04 EREMA Engineering-Recycling-Maschinen-Anlagen Gesellschaft m.b.H. Filter
CH673618A5 (en) * 1987-10-29 1990-03-30 Indupack Ag
AT509706B1 (en) * 2010-07-05 2011-11-15 Erema FILTRATION DEVICE FOR FLUIDE
ES2885599T3 (en) * 2015-04-30 2021-12-14 Fimic S R L Filter for plastic material
CN105881865A (en) * 2016-05-09 2016-08-24 罗少堂 Plastic extruder
CN108032509A (en) * 2017-12-14 2018-05-15 常德金德新材料科技股份有限公司 A kind of clear deimpurity method and apparatus
CN113442408B (en) * 2021-07-30 2023-05-23 台州米信过滤机械有限公司 Net-free filtering die head for regenerated plastic

Also Published As

Publication number Publication date
SU587008A1 (en) 1978-01-05
BG28119A1 (en) 1980-03-25
GB1494032A (en) 1977-12-07
DE2522078A1 (en) 1976-03-04
CS191466B1 (en) 1979-07-31
DD114239A1 (en) 1975-07-20
PL106235B1 (en) 1979-12-31

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