IT7831089A0 - Procedimento e dispositivo per controllare la carica parziale di una apertura di degassificazione in un estrusore a coclea unica od adoppia coclea per la lavorazione di materia plastica. - Google Patents

Procedimento e dispositivo per controllare la carica parziale di una apertura di degassificazione in un estrusore a coclea unica od adoppia coclea per la lavorazione di materia plastica.

Info

Publication number
IT7831089A0
IT7831089A0 IT7831089A IT3108978A IT7831089A0 IT 7831089 A0 IT7831089 A0 IT 7831089A0 IT 7831089 A IT7831089 A IT 7831089A IT 3108978 A IT3108978 A IT 3108978A IT 7831089 A0 IT7831089 A0 IT 7831089A0
Authority
IT
Italy
Prior art keywords
degassification
controling
procedure
port
plastic material
Prior art date
Application number
IT7831089A
Other languages
English (en)
Other versions
IT1101193B (it
Inventor
Dietmar Anders
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of IT7831089A0 publication Critical patent/IT7831089A0/it
Application granted granted Critical
Publication of IT1101193B publication Critical patent/IT1101193B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/285Feeding the extrusion material to the extruder
    • B29C48/29Feeding the extrusion material to the extruder in liquid form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/801Valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/86Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92085Velocity
    • B29C2948/92095Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92361Extrusion unit
    • B29C2948/92371Inlet shaft or slot, e.g. passive hopper; Injector, e.g. injector nozzle on barrel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92914Degassing unit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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)
IT31089/78A 1977-12-27 1978-12-21 Procedimento e dispositivo per controllare la carica parziale di una apertura di degassificazione in un estrusore a coclea unica od a doppia coclea per la lavorazione di materia plastica IT1101193B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2758265A DE2758265C2 (de) 1977-12-27 1977-12-27 Regeleinrichtung zur Überwachung des Füllstandes einer Entgasungsöffnung an einem Extruder für die Verarbeitung von Hochdruck-Polyäthylenschmelze

Publications (2)

Publication Number Publication Date
IT7831089A0 true IT7831089A0 (it) 1978-12-21
IT1101193B IT1101193B (it) 1985-09-28

Family

ID=6027428

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31089/78A IT1101193B (it) 1977-12-27 1978-12-21 Procedimento e dispositivo per controllare la carica parziale di una apertura di degassificazione in un estrusore a coclea unica od a doppia coclea per la lavorazione di materia plastica

Country Status (7)

Country Link
US (1) US4197268A (it)
JP (1) JPS5495663A (it)
DE (1) DE2758265C2 (it)
FR (1) FR2413200A1 (it)
IT (1) IT1101193B (it)
NL (1) NL7812360A (it)
SU (1) SU921457A3 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922572C2 (de) * 1979-06-02 1983-10-20 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Entgasungsvorrichtung für thermoplastische Formmassen verarbeitende Schneckenpresse
DE3242239A1 (de) * 1982-11-15 1984-05-17 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Einrichtung zur fuellstandsueberwachung eines an einer vacuumquelle angeschlossenen entgasungsdomes fuer extruder
JPS59115318A (ja) * 1982-12-21 1984-07-03 Ube Ind Ltd ホルムアルデヒド共重合体の製法
DE3744193C1 (de) * 1987-12-24 1989-01-26 Berstorff Gmbh Masch Hermann Verfahren und Extruder zum Entgasen thermoplastischer Kunststoffschmelzen ueber einen weiten Viskositaetsbereich
JPH01259922A (ja) * 1988-04-11 1989-10-17 Toshiba Mach Co Ltd ベント式射出成形機
DE3816981A1 (de) * 1988-05-18 1989-11-30 N Proizv Ob Plastmassy Einrichtung zur automatischen steuerung der dosierten polymerzufuehrung aus einem aufgabeapparat in einen extruder
DE3900952C1 (it) * 1989-01-14 1990-03-22 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
DE4017724C1 (it) * 1990-06-01 1991-03-07 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
US5358453A (en) * 1993-10-13 1994-10-25 Mitsuboshi Belting Ltd. Cogged v-belt
US5468429A (en) * 1994-04-15 1995-11-21 Li; Tzu-Li Ultrasound-enhanced devolatilization of thermoplastic plastics
US6280667B1 (en) 1999-04-19 2001-08-28 Andersen Corporation Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component
JP6639799B2 (ja) 2014-05-08 2020-02-05 東芝機械株式会社 混練装置および混練方法
JP6446235B2 (ja) 2014-10-27 2018-12-26 東芝機械株式会社 押出機および混練装置
CN106003461B (zh) * 2016-06-08 2017-12-05 厦门川汉环保科技有限公司 废塑料再生利用带气体保护与改性造粒一体化装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3148231A (en) * 1961-03-20 1964-09-08 Eastman Kodak Co Plastic extrusion, apparatus and control
DE1302684B (it) * 1961-06-21 1971-04-01 Automatic Process Control Inc
US3244688A (en) * 1962-04-16 1966-04-05 Phillips Petroleum Co Process for processing of polymers
DE1201041B (de) * 1962-07-10 1965-09-16 Kloeckner Humboldt Deutz Ag Schneckenstrangpresse fuer plastische Massen, z. B. thermoplastische Kunststoffe
FR1391200A (fr) * 1963-02-18 1965-03-05 Du Pont Perfectionnements aux procédés et appareils de fabrication de produits extrudés à partir de résines de polyamides et autres polymères fusibles
US3579728A (en) * 1965-07-09 1971-05-25 Phillips Petroleum Co Polymer separation
US3524222A (en) * 1968-05-13 1970-08-18 Egan Machinery Co Extruder screw devolatilizing and mixing section
JPS4913260A (it) * 1972-05-17 1974-02-05
JPS5232776B2 (it) * 1973-10-27 1977-08-24
DE2520244C3 (de) * 1975-05-07 1978-03-16 Werner & Pfleiderer, 7000 Stuttgart Beschickungsvorrichtung für eine Schneckenstrangpresse
DE2543329B2 (de) * 1975-09-29 1977-11-24 Paul Troester Maschinenfabrik, 3000 Hannover Vorrichtung zum extrudieren von kunststoffen und elastomeren
JPS52128953A (en) * 1976-04-22 1977-10-28 Meiki Seisakusho Kk Vent injection molding machine

Also Published As

Publication number Publication date
FR2413200A1 (fr) 1979-07-27
US4197268A (en) 1980-04-08
IT1101193B (it) 1985-09-28
NL7812360A (nl) 1979-06-29
SU921457A3 (ru) 1982-04-15
JPS5495663A (en) 1979-07-28
DE2758265C2 (de) 1982-12-23
FR2413200B1 (it) 1984-01-13
DE2758265A1 (de) 1979-06-28

Similar Documents

Publication Publication Date Title
JPS53134866A (en) Screw press for processing plastics rubber and plastic material
IT1128053B (it) Sacchetto di pellicola di materia plastica e procedimento per la sua fabbricazione
AT375867B (de) Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut
ZA791879B (en) Thermoplastic polyurethanes for processing in extruders and/or on calenders
AT368737B (de) Vorrichtung zum aufbereiten von thermoplastischem kunststoffgut
IT1070220B (it) Tappezzeria di materia plastica e procedimento per la sua fabbricazione
IT7831089A0 (it) Procedimento e dispositivo per controllare la carica parziale di una apertura di degassificazione in un estrusore a coclea unica od adoppia coclea per la lavorazione di materia plastica.
DE3767165D1 (de) Vorrichtung zum aufbereiten von kunststoffgut.
JPS5242554A (en) Method and device for extruding plastic material or the like
IT8420263A0 (it) Procedimento e dispositivo per la realizzazione di pezzi in materia plastica, su pressa ad iniezione.
GB2076674B (en) A screw extruder for use in the processing of a food mash
GB2068249B (en) Screw press for processing thermoplastic and elastomeric materials
IT1153950B (it) Apparecchio rotativo per la lavorazione di materiali polimeri e plastici
IT7831090A0 (it) Dispositivo per regolare la portata di un estrusore a coclea unica o doppia per la lavorazione di bagni di fusione di materia plastica.
FR2478487B1 (fr) Machine de traitement pour feuilles de matiere thermoplastique de rebut et produits analogues
IT7823456A0 (it) Procedimento per la produzione di pellicole di materia plastica in fogli.
IT8048684A0 (it) Procedimento e dispositivo per la lavorazione plastica di materiali
IT8020830A0 (it) Bicchiere in plastica eprocedimento e apparecchiatura per la sua produzione.
GB1557902A (en) Apparatus for processing glass or other plastic material
JPS5242555A (en) Device for extruding plastic and like material
IT7928234A0 (it) Procedimento ed apparecchio per lavorare materiali plastici e polimeri in particelle.
GB2012203A (en) Screw extruder for processing thermoplastic materials
IT7868232A0 (it) Procedimento e dispositivo per la fabbricazione di fogli decorativi di materia plastica
IT1141402B (it) Dispositivo per la sgusciatura di materiale in granelli
IT8504827A0 (it) Dispositivo per la realizzazione di nastri piani in materia termoplastica.