DE2152644A1 - Screw extruder mixing section - with alternately tapering pockets preventing material jamming - Google Patents

Screw extruder mixing section - with alternately tapering pockets preventing material jamming

Info

Publication number
DE2152644A1
DE2152644A1 DE19712152644 DE2152644A DE2152644A1 DE 2152644 A1 DE2152644 A1 DE 2152644A1 DE 19712152644 DE19712152644 DE 19712152644 DE 2152644 A DE2152644 A DE 2152644A DE 2152644 A1 DE2152644 A1 DE 2152644A1
Authority
DE
Germany
Prior art keywords
alternately
screw extruder
mixing section
preventing material
extruder mixing
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.)
Pending
Application number
DE19712152644
Other languages
German (de)
Other versions
DE2152644B2 (en
Inventor
Kurt Kniss
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.)
Rheinstahl AG
Original Assignee
Rheinstahl 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 Rheinstahl AG filed Critical Rheinstahl AG
Priority to DE19712152644 priority Critical patent/DE2152644B2/en
Publication of DE2152644A1 publication Critical patent/DE2152644A1/en
Publication of DE2152644B2 publication Critical patent/DE2152644B2/en
Pending legal-status Critical Current

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
    • B29C48/505—Screws
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE19712152644 1971-10-22 1971-10-22 Screw extruder mixing section - with alternately tapering pockets preventing material jamming Pending DE2152644B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712152644 DE2152644B2 (en) 1971-10-22 1971-10-22 Screw extruder mixing section - with alternately tapering pockets preventing material jamming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712152644 DE2152644B2 (en) 1971-10-22 1971-10-22 Screw extruder mixing section - with alternately tapering pockets preventing material jamming

Publications (2)

Publication Number Publication Date
DE2152644A1 true DE2152644A1 (en) 1972-10-12
DE2152644B2 DE2152644B2 (en) 1972-10-12

Family

ID=5823086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712152644 Pending DE2152644B2 (en) 1971-10-22 1971-10-22 Screw extruder mixing section - with alternately tapering pockets preventing material jamming

Country Status (1)

Country Link
DE (1) DE2152644B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1504945A (en) * 1975-04-12 1978-03-22 Iddon Bros Ltd Scrolls for extruding machines
EP0036024A1 (en) * 1980-02-26 1981-09-23 Detlef Gneuss Screw extruder
JPH0667587B2 (en) * 1988-05-12 1994-08-31 株式会社石中鉄工所 Kneading structure of rotary screw for kneading
BE1002469A4 (en) * 1988-08-12 1991-02-19 Euro Stel P V B A Procedure for improving the melting process in injection moulding machinesand the screws for the realisation thereof
DE3940954A1 (en) * 1989-12-12 1991-06-13 Battenfeld Extrusionstech Extruder screw for efficient mixing - has start and end parts with concentric circular core profiles but asymmetrical intermediate length which is pref. polygonal

Also Published As

Publication number Publication date
DE2152644B2 (en) 1972-10-12

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