IT1101194B - Dispositiov per regolare la portata di un estrusore a coclea unica o doppia per la lavorazione di bagni di fusione di mateira plastica - Google Patents

Dispositiov per regolare la portata di un estrusore a coclea unica o doppia per la lavorazione di bagni di fusione di mateira plastica

Info

Publication number
IT1101194B
IT1101194B IT31090/78A IT3109078A IT1101194B IT 1101194 B IT1101194 B IT 1101194B IT 31090/78 A IT31090/78 A IT 31090/78A IT 3109078 A IT3109078 A IT 3109078A IT 1101194 B IT1101194 B IT 1101194B
Authority
IT
Italy
Prior art keywords
mastira
adjusting
flow rate
processing
plastic melting
Prior art date
Application number
IT31090/78A
Other languages
English (en)
Other versions
IT7831090A0 (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 IT7831090A0 publication Critical patent/IT7831090A0/it
Application granted granted Critical
Publication of IT1101194B publication Critical patent/IT1101194B/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0605—Control of flow characterised by the use of electric means specially adapted for solid materials
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/68—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
    • B29C48/92—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
    • B29C2948/9258—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
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT31090/78A 1977-12-27 1978-12-21 Dispositiov per regolare la portata di un estrusore a coclea unica o doppia per la lavorazione di bagni di fusione di mateira plastica IT1101194B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2758266A DE2758266C2 (de) 1977-12-27 1977-12-27 Einrichtung zur Regelung des Durchsatzes eines an einem Polymerisationssystem angeschlossenen Ein- oder Doppelschneckenextruder

Publications (2)

Publication Number Publication Date
IT7831090A0 IT7831090A0 (it) 1978-12-21
IT1101194B true IT1101194B (it) 1985-09-28

Family

ID=6027429

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31090/78A IT1101194B (it) 1977-12-27 1978-12-21 Dispositiov per regolare la portata di un estrusore a coclea unica o doppia per la lavorazione di bagni di fusione di mateira plastica

Country Status (6)

Country Link
US (1) US4214859A (it)
JP (1) JPS5496567A (it)
DE (1) DE2758266C2 (it)
FR (1) FR2413199A1 (it)
IT (1) IT1101194B (it)
NL (1) NL7812361A (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5623288A (en) * 1979-07-30 1981-03-05 Japan Storage Battery Co Ltd Method of compensating pressure decrease owing to deoxygenation
DE3225512A1 (de) * 1982-07-08 1984-01-12 Continental Gummi-Werke Ag, 3000 Hannover Strangpresse
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
EP0182014B1 (de) * 1984-08-30 1989-03-22 Buss Ag Verfahren zur kontinuierlichen Aufbereitung von Elektrodenmaterial und Einrichtung zur Ausübung des Verfahrens
DE3503911C1 (de) * 1985-02-06 1986-09-04 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Stiftverstelleinrichtung an einem Stiftextruder fuer die Verarbeitung von Kautschuk oder thermoplastischen Kunststoffen
US4708617A (en) * 1986-06-06 1987-11-24 Mobil Oil Corporation Screw extruder with a rotatable barrel section
DE3913808A1 (de) * 1989-04-26 1990-10-31 Windmoeller & Hoelscher Verfahren zur regelung des fuellstandes einer mischung aus riesel- und/oder fliessfaehigem material in einem mit einem abzug versehenen behaelter
DE4137969C1 (it) * 1990-12-14 1992-10-15 Berstorff Gmbh Masch Hermann
US5284296A (en) * 1991-12-12 1994-02-08 Magneco/Metrel, Inc. System for spraying ceramic slurries onto surfaces in contact with molten metals
DE4208284C1 (it) * 1992-03-13 1993-02-11 Paul Troester Maschinenfabrik, 3000 Hannover, De
US5332309A (en) * 1992-04-23 1994-07-26 Edge-Sweets Company Reactive component mixing with metered dry filler
US10190065B2 (en) 2013-03-15 2019-01-29 Mark E. Koenig Feed delivery system and method for gasifier
WO2014143169A1 (en) 2013-03-15 2014-09-18 Koenig Mark E System for processing material for a gasifier
GB2511890B8 (en) * 2013-03-15 2018-09-05 Koenig Mark Outlet tube for a material transfer system
EP3957780A1 (en) * 2013-10-29 2022-02-23 Braskem, S.A. Continuous system and method for producing at least one polymeric yarn

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070836A (en) * 1959-07-09 1963-01-01 Phillips Petroleum Co Method and apparatus for automatic control of an extruder
NL268469A (it) * 1960-08-22 1900-01-01
US3158900A (en) * 1962-06-12 1964-12-01 Nrm Corp Extruder
CH523138A (fr) * 1970-05-08 1972-05-31 Sig Schweiz Industrieges Extrudeuse
CH535117A (fr) * 1970-12-22 1973-03-31 Sig Schweiz Industrieges Extrudeuse
JPS519149A (en) * 1974-07-12 1976-01-24 Japan Steel Works Ltd Oshidashikiniokeru oshidashiryoseigyosochi

Also Published As

Publication number Publication date
DE2758266A1 (de) 1979-06-28
JPS5496567A (en) 1979-07-31
FR2413199A1 (fr) 1979-07-27
DE2758266C2 (de) 1982-11-25
IT7831090A0 (it) 1978-12-21
NL7812361A (nl) 1979-06-29
US4214859A (en) 1980-07-29

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