BE789885A - EXTRUCTION DEVICE - Google Patents

EXTRUCTION DEVICE

Info

Publication number
BE789885A
BE789885A BE789885DA BE789885A BE 789885 A BE789885 A BE 789885A BE 789885D A BE789885D A BE 789885DA BE 789885 A BE789885 A BE 789885A
Authority
BE
Belgium
Prior art keywords
extruction
extruction device
Prior art date
Application number
Other languages
Dutch (nl)
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.)
Publication date
Publication of BE789885A publication Critical patent/BE789885A/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)
BE789885D 1971-10-19 EXTRUCTION DEVICE BE789885A (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
BE789885A true BE789885A (en) 1973-04-10

Family

ID=10448943

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789885D BE789885A (en) 1971-10-19 EXTRUCTION DEVICE

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
GB1364560A (en) 1974-08-21
BR7207258D0 (en) 1973-09-13
DE2250851A1 (en) 1973-04-26
IT975273B (en) 1974-07-20
FR2156743A1 (en) 1973-06-01
JPS4849848A (en) 1973-07-13
AU4784772A (en) 1974-04-26
FR2156743B1 (en) 1975-03-28
NL7214006A (en) 1973-04-25

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