DD102635A1 - - Google Patents

Info

Publication number
DD102635A1
DD102635A1 DD169300A DD16930073A DD102635A1 DD 102635 A1 DD102635 A1 DD 102635A1 DD 169300 A DD169300 A DD 169300A DD 16930073 A DD16930073 A DD 16930073A DD 102635 A1 DD102635 A1 DD 102635A1
Authority
DD
German Democratic Republic
Application number
DD169300A
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 filed Critical
Priority to DD169300A priority Critical patent/DD102635A1/xx
Publication of DD102635A1 publication Critical patent/DD102635A1/xx
Priority to DE19742407663 priority patent/DE2407663A1/en
Priority to SU742003607A priority patent/SU956277A1/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
    • 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
    • B29C48/03—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
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • 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
    • B29C48/36—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DD169300A 1973-03-08 1973-03-08 DD102635A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DD169300A DD102635A1 (en) 1973-03-08 1973-03-08
DE19742407663 DE2407663A1 (en) 1973-03-08 1974-02-18 Sieving extruded plastics on way to mould - using sieve which is continuously back flushed one hole at a time
SU742003607A SU956277A1 (en) 1973-03-08 1974-03-07 Arrangement to extruder for filtration of melt polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD169300A DD102635A1 (en) 1973-03-08 1973-03-08

Publications (1)

Publication Number Publication Date
DD102635A1 true DD102635A1 (en) 1973-12-20

Family

ID=5490340

Family Applications (1)

Application Number Title Priority Date Filing Date
DD169300A DD102635A1 (en) 1973-03-08 1973-03-08

Country Status (3)

Country Link
DD (1) DD102635A1 (en)
DE (1) DE2407663A1 (en)
SU (1) SU956277A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1109660B (en) * 1978-02-23 1985-12-23 Lavorazione Mat Plast REFINEMENT FOR EXTRUSION OF SYNTHETIC FOAMS
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
DE3430992C2 (en) * 1983-11-03 1985-11-21 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Filter device
NL192607C (en) * 1983-11-03 1997-11-04 Berstorff Gmbh Masch Hermann Screening device.
DE3419822C2 (en) * 1984-05-26 1986-04-03 Werner & Pfleiderer, 7000 Stuttgart Filter device for screw extruders
DE3902061A1 (en) * 1989-01-25 1990-07-26 Gneuss Kunststofftechnik Gmbh SCREEN DEVICE FOR CLEANING PLASTIC MELTS
AT509706B1 (en) 2010-07-05 2011-11-15 Erema FILTRATION DEVICE FOR FLUIDE
CN102529063A (en) * 2012-01-16 2012-07-04 王敬达 Filtering device of high polymer material extruder
CN104029373B (en) * 2014-06-25 2018-04-06 魏正才 A kind of double-plate not draping filter

Also Published As

Publication number Publication date
SU956277A1 (en) 1982-09-07
DE2407663A1 (en) 1974-09-12

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