GB1370440A - Method of controlling the flow of plastics material in an extruder and an extruder provided with means for carrying out such a method - Google Patents

Method of controlling the flow of plastics material in an extruder and an extruder provided with means for carrying out such a method

Info

Publication number
GB1370440A
GB1370440A GB5781671A GB5781671A GB1370440A GB 1370440 A GB1370440 A GB 1370440A GB 5781671 A GB5781671 A GB 5781671A GB 5781671 A GB5781671 A GB 5781671A GB 1370440 A GB1370440 A GB 1370440A
Authority
GB
United Kingdom
Prior art keywords
cylinder
screw
extruder
passage
axially
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
GB5781671A
Other languages
English (en)
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.)
Schweizerische Industrie Gesellschaft
Original Assignee
Schweizerische Industrie Gesellschaft
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 Schweizerische Industrie Gesellschaft filed Critical Schweizerische Industrie Gesellschaft
Publication of GB1370440A publication Critical patent/GB1370440A/en
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
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92571—Position, e.g. linear or angular
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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)
GB5781671A 1970-12-22 1971-12-13 Method of controlling the flow of plastics material in an extruder and an extruder provided with means for carrying out such a method Expired GB1370440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1902870A CH535117A (fr) 1970-12-22 1970-12-22 Extrudeuse

Publications (1)

Publication Number Publication Date
GB1370440A true GB1370440A (en) 1974-10-16

Family

ID=4436865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5781671A Expired GB1370440A (en) 1970-12-22 1971-12-13 Method of controlling the flow of plastics material in an extruder and an extruder provided with means for carrying out such a method

Country Status (6)

Country Link
US (1) US3780994A (enExample)
CH (1) CH535117A (enExample)
DE (1) DE2160062A1 (enExample)
FR (1) FR2119465A5 (enExample)
GB (1) GB1370440A (enExample)
IT (1) IT945825B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119626A (en) * 1982-05-08 1983-11-23 Katjes Fassin Gmbh And Co Kg Process and apparatus for production of sweets
DE4103261A1 (de) * 1991-02-04 1992-08-13 Berstorff Gmbh Masch Hermann Verfahren und vorrichtung zur minimierung der anfahrverluste bei einem kaltbeschickungsextruder

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235784C3 (de) * 1972-07-21 1986-01-09 Uniroyal Englebert Reifen GmbH, 5100 Aachen Einschnecken-Extruder zum Mischen und Homogenisieren von hochviskosen Kautschukmischungen und hochviskosen Thermoplasten
FR2325278A7 (fr) * 1973-02-27 1977-04-15 Werner & Pfleiderer Element de cisaillage pour boudineuse utilisable pour la preparation des matieres plastiques
US4015833A (en) * 1975-10-03 1977-04-05 The B. F. Goodrich Company Extruder screw
DE2758266C2 (de) * 1977-12-27 1982-11-25 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Einrichtung zur Regelung des Durchsatzes eines an einem Polymerisationssystem angeschlossenen Ein- oder Doppelschneckenextruder
FR2427897A1 (fr) * 1978-06-09 1980-01-04 Pont A Mousson Procede d'extrusion et filiere chaude pour sa mise en oeuvre
DE2924800C2 (de) * 1979-06-20 1982-08-19 Werner & Pfleiderer, 7000 Stuttgart Drosselvorrichtung für eine zweiwellige Schneckenmaschine
GB2069354B (en) * 1980-01-16 1983-04-07 Kobe Steel Ltd Continuous mixing
DE3026477A1 (de) * 1980-07-12 1982-02-04 Fried. Krupp Gmbh, 4300 Essen Schneckenpresse
DE3150719C2 (de) * 1981-12-22 1987-04-02 Uniroyal Englebert Reifen GmbH, 5100 Aachen Schneckenextruder
ES8607810A1 (es) * 1985-04-30 1986-06-01 Gumix Sa Una maquina extrusora-turbomezcladora
DE3534097A1 (de) * 1985-09-25 1987-04-02 Krupp Gmbh Schneckenextruder
DE3728442A1 (de) * 1987-08-26 1989-03-09 Werner & Pfleiderer Drosselvorrichtung fuer eine zweiwellige schneckenmaschine
US20030025236A1 (en) * 2001-08-01 2003-02-06 Xerox Corporation Toner extruder feed apparatus
EP2000282A1 (en) * 2007-06-08 2008-12-10 Sovema S.p.A. Adjustable extruder for processing different thermoplastic materials
JP5430124B2 (ja) * 2008-10-31 2014-02-26 株式会社神戸製鋼所 混練度調整装置及び混練度調整方法
JP6465091B2 (ja) * 2016-09-30 2019-02-06 トヨタ自動車株式会社 二軸押出混練装置およびそれを用いた電極ペーストの製造方法
CN110658102B (zh) * 2019-10-30 2025-03-25 佛山市第一人民医院（中山大学附属佛山医院） 一种脆碎仪

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119626A (en) * 1982-05-08 1983-11-23 Katjes Fassin Gmbh And Co Kg Process and apparatus for production of sweets
DE4103261A1 (de) * 1991-02-04 1992-08-13 Berstorff Gmbh Masch Hermann Verfahren und vorrichtung zur minimierung der anfahrverluste bei einem kaltbeschickungsextruder

Also Published As

Publication number Publication date
IT945825B (it) 1973-05-10
US3780994A (en) 1973-12-25
DE2160062A1 (de) 1972-07-13
FR2119465A5 (enExample) 1972-08-04
CH535117A (fr) 1973-03-31

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed