DE3823222C2 - - Google Patents

Info

Publication number
DE3823222C2
DE3823222C2 DE3823222A DE3823222A DE3823222C2 DE 3823222 C2 DE3823222 C2 DE 3823222C2 DE 3823222 A DE3823222 A DE 3823222A DE 3823222 A DE3823222 A DE 3823222A DE 3823222 C2 DE3823222 C2 DE 3823222C2
Authority
DE
Germany
Prior art keywords
plasticizing
shear
inlet
outlet
screw
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.)
Expired
Application number
DE3823222A
Other languages
German (de)
English (en)
Other versions
DE3823222A1 (de
Inventor
Roland Dipl.-Phys. Ddr 2790 Schwerin Dd Goerz
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.)
PLASTMASCHINENWERK SCHWERIN GMBH, O-2781 SCHWERIN,
Original Assignee
VEB PLASTMASCHINENWERK SCHWERIN DDR 2781 SCHWERIN DD
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 VEB PLASTMASCHINENWERK SCHWERIN DDR 2781 SCHWERIN DD filed Critical VEB PLASTMASCHINENWERK SCHWERIN DDR 2781 SCHWERIN DD
Publication of DE3823222A1 publication Critical patent/DE3823222A1/de
Application granted granted Critical
Publication of DE3823222C2 publication Critical patent/DE3823222C2/de
Granted 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)
DE3823222A 1987-07-31 1988-07-08 Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialien Granted DE3823222A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD87305550A DD272967A3 (de) 1987-07-31 1987-07-31 Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialien

Publications (2)

Publication Number Publication Date
DE3823222A1 DE3823222A1 (de) 1989-02-09
DE3823222C2 true DE3823222C2 (zh) 1989-11-16

Family

ID=5591204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3823222A Granted DE3823222A1 (de) 1987-07-31 1988-07-08 Scherelement einer plastizierschnecke zur plastizierung und homogenisierung polymerer materialien

Country Status (2)

Country Link
DD (1) DD272967A3 (zh)
DE (1) DE3823222A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202821C2 (de) * 1992-01-31 1995-01-26 S Rockstedt Gmbh Maschf Mehrwellige kontinuierlich arbeitende Misch- und Knetmaschine für plastifizierbare Massen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486192A (en) * 1967-03-24 1969-12-30 Union Carbide Corp Apparatus for extrusion of thermoplastics

Also Published As

Publication number Publication date
DD272967A3 (de) 1989-11-01
DE3823222A1 (de) 1989-02-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PLASTMASCHINENWERK SCHWERIN GMBH, O-2781 SCHWERIN,

8327 Change in the person/name/address of the patent owner

Owner name: GEHRING SONDERMASCHINENBAU SCHWERIN GMBH, O-2781 S

8339 Ceased/non-payment of the annual fee