FR2156743A1 - - Google Patents

Info

Publication number
FR2156743A1
FR2156743A1 FR7236673A FR7236673A FR2156743A1 FR 2156743 A1 FR2156743 A1 FR 2156743A1 FR 7236673 A FR7236673 A FR 7236673A FR 7236673 A FR7236673 A FR 7236673A FR 2156743 A1 FR2156743 A1 FR 2156743A1
Authority
FR
France
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.)
Granted
Application number
FR7236673A
Other languages
French (fr)
Other versions
FR2156743B1 (de
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of FR2156743A1 publication Critical patent/FR2156743A1/fr
Application granted granted Critical
Publication of FR2156743B1 publication Critical patent/FR2156743B1/fr
Expired 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
    • B29C48/59—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)
FR7236673A 1971-10-19 1972-10-17 Expired FR2156743B1 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2156743A1 true FR2156743A1 (de) 1973-06-01
FR2156743B1 FR2156743B1 (de) 1975-03-28

Family

ID=10448943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236673A Expired FR2156743B1 (de) 1971-10-19 1972-10-17

Country Status (9)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399311A1 (fr) * 1977-08-05 1979-03-02 Bucher Guyer Ag Masch Machine a plastifier pour le traitement de materiaux bruts en forme de bande
EP0451349A1 (de) * 1990-04-06 1991-10-16 Alois Pöttinger Maschinenfabrik GmbH Schneckenpresse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1106954A (fr) * 1953-08-29 1955-12-27 Garniture pour boudineuse
DE1167009B (de) * 1961-04-15 1964-04-02 Basf Ag Schneckenpresse zum schonenden Aufbereiten von Kunststoff-Rohstoffen
DE1268823B (de) * 1959-06-11 1968-05-22 Dr Zareh Lorenian Schneckenpresse zur Verarbeitung von thermoplastischen und/oder thermisch haertbarenKunststoffen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1106954A (fr) * 1953-08-29 1955-12-27 Garniture pour boudineuse
DE1268823B (de) * 1959-06-11 1968-05-22 Dr Zareh Lorenian Schneckenpresse zur Verarbeitung von thermoplastischen und/oder thermisch haertbarenKunststoffen
DE1167009B (de) * 1961-04-15 1964-04-02 Basf Ag Schneckenpresse zum schonenden Aufbereiten von Kunststoff-Rohstoffen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2399311A1 (fr) * 1977-08-05 1979-03-02 Bucher Guyer Ag Masch Machine a plastifier pour le traitement de materiaux bruts en forme de bande
EP0451349A1 (de) * 1990-04-06 1991-10-16 Alois Pöttinger Maschinenfabrik GmbH Schneckenpresse

Also Published As

Publication number Publication date
BE789885A (nl) 1973-04-10
BR7207258D0 (pt) 1973-09-13
JPS4849848A (de) 1973-07-13
DE2250851A1 (de) 1973-04-26
GB1364560A (en) 1974-08-21
FR2156743B1 (de) 1975-03-28
IT975273B (it) 1974-07-20
NL7214006A (de) 1973-04-25
AU4784772A (en) 1974-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse