BR7207258D0 - EXTRUDER FOR THERMOPLASTIC MATERIAL - Google Patents

EXTRUDER FOR THERMOPLASTIC MATERIAL

Info

Publication number
BR7207258D0
BR7207258D0 BR7258/72A BR725872A BR7207258D0 BR 7207258 D0 BR7207258 D0 BR 7207258D0 BR 7258/72 A BR7258/72 A BR 7258/72A BR 725872 A BR725872 A BR 725872A BR 7207258 D0 BR7207258 D0 BR 7207258D0
Authority
BR
Brazil
Prior art keywords
extruder
thermoplastic material
thermoplastic
Prior art date
Application number
BR7258/72A
Other languages
Portuguese (pt)
Inventor
J Dekker
P Augustines
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BR7207258D0 publication Critical patent/BR7207258D0/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
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/615—Threads having varying helix angles
    • 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)
BR7258/72A 1971-10-19 1972-10-17 EXTRUDER FOR THERMOPLASTIC MATERIAL BR7207258D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4852871A GB1364560A (en) 1971-10-19 1971-10-19 Extruder

Publications (1)

Publication Number Publication Date
BR7207258D0 true BR7207258D0 (en) 1973-09-13

Family

ID=10448943

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7258/72A BR7207258D0 (en) 1971-10-19 1972-10-17 EXTRUDER FOR THERMOPLASTIC MATERIAL

Country Status (9)

Country Link
JP (1) JPS4849848A (en)
AU (1) AU4784772A (en)
BE (1) BE789885A (en)
BR (1) BR7207258D0 (en)
DE (1) DE2250851A1 (en)
FR (1) FR2156743B1 (en)
GB (1) GB1364560A (en)
IT (1) IT975273B (en)
NL (1) NL7214006A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7724432U1 (en) * 1977-08-05 1977-11-10 Bucher-Guyer Ag Maschinenfabrik, Niederweningen, Zuerich (Schweiz) PLASTICIZING MACHINE FOR PROCESSING STRIP-SHAPED RAW MATERIAL
DE4011248A1 (en) * 1990-04-06 1991-10-10 Poettinger Alois Landmasch SCREW PRESS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030011B (en) * 1953-08-29 1958-05-14 Dr Zareh Lorenian Seal for the annular gap around a cylindrical mandrel emerging from the bore of a screw in screw presses
DE1268823B (en) * 1959-06-11 1968-05-22 Dr Zareh Lorenian Screw press for processing thermoplastic and / or thermally curable plastics
DE1167009B (en) * 1961-04-15 1964-04-02 Basf Ag Screw press for the gentle processing of plastic raw materials

Also Published As

Publication number Publication date
BE789885A (en) 1973-04-10
JPS4849848A (en) 1973-07-13
DE2250851A1 (en) 1973-04-26
GB1364560A (en) 1974-08-21
FR2156743B1 (en) 1975-03-28
IT975273B (en) 1974-07-20
NL7214006A (en) 1973-04-25
FR2156743A1 (en) 1973-06-01
AU4784772A (en) 1974-04-26

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