DE2239672A1 - Verfahren und vorrichtung fuer das zusetzen von hilfsstoffen zu einer kunststoffmasse in einem extruder - Google Patents

Verfahren und vorrichtung fuer das zusetzen von hilfsstoffen zu einer kunststoffmasse in einem extruder

Info

Publication number
DE2239672A1
DE2239672A1 DE2239672A DE2239672A DE2239672A1 DE 2239672 A1 DE2239672 A1 DE 2239672A1 DE 2239672 A DE2239672 A DE 2239672A DE 2239672 A DE2239672 A DE 2239672A DE 2239672 A1 DE2239672 A1 DE 2239672A1
Authority
DE
Germany
Prior art keywords
screw
metering pump
dosing
pump
opening
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.)
Pending
Application number
DE2239672A
Other languages
German (de)
English (en)
Inventor
Salomon Pezarro
Willen Van Wijk
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.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Publication of DE2239672A1 publication Critical patent/DE2239672A1/de
Pending 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—Screws
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/58—Applying the releasing agents
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
    • B29C45/1816—Feeding auxiliary material, e.g. colouring material
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material
    • B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
    • B29C48/85—Cooling
    • 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
    • B29C48/94—Lubricating
    • B29C48/95—Lubricating by adding lubricant to the moulding material
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
DE2239672A 1971-08-11 1972-08-11 Verfahren und vorrichtung fuer das zusetzen von hilfsstoffen zu einer kunststoffmasse in einem extruder Pending DE2239672A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7111090A NL7111090A (fi) 1971-08-11 1971-08-11

Publications (1)

Publication Number Publication Date
DE2239672A1 true DE2239672A1 (de) 1973-02-22

Family

ID=19813797

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2239672A Pending DE2239672A1 (de) 1971-08-11 1972-08-11 Verfahren und vorrichtung fuer das zusetzen von hilfsstoffen zu einer kunststoffmasse in einem extruder

Country Status (2)

Country Link
DE (1) DE2239672A1 (fi)
NL (1) NL7111090A (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028618A1 (de) * 2000-10-06 2002-04-11 Basf Aktiengesellschaft Mischvorrichtung und verfahren zur herstellung von thermoplastisch verarbeitbaren formmassen, insbesondere additivbatches
EP1948417A1 (en) * 2005-11-16 2008-07-30 Medifiq Healthcare Oy Method for dosing additive in injection-moulding unit, and injection-moulding unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028618A1 (de) * 2000-10-06 2002-04-11 Basf Aktiengesellschaft Mischvorrichtung und verfahren zur herstellung von thermoplastisch verarbeitbaren formmassen, insbesondere additivbatches
EP1948417A1 (en) * 2005-11-16 2008-07-30 Medifiq Healthcare Oy Method for dosing additive in injection-moulding unit, and injection-moulding unit
EP1948417A4 (en) * 2005-11-16 2010-09-29 Medifiq Healthcare Oy METHOD OF DISPENSING ADDITIVE IN SPRAYING UNIT AND INJECTION UNIT

Also Published As

Publication number Publication date
NL7111090A (fi) 1973-02-13

Similar Documents

Publication Publication Date Title
EP0082494B1 (de) Schneckenextruder
DE2154173A1 (de) Durchlaufmischer fur thermoplasti sches Kunstharz
DE2043981B2 (de) Anwendung eines Verfahrens und einer Spritzgießvorrichtung zum Spritzgießen von Körpern aus Kunststoff mit dichter Oberfläche
DE3036048A1 (de) Kunststoffextruder mit einer einrichtung zum einspritzen eines fluessigen zusatzes in den strom aus geschmolzenem kunststoff
DE1554773A1 (de) Verfahren und Vorrichtung zur Herstellung einer Dispersion einer fluessigen Substanz in einem thermoplastischen Harz
DE102007058174A1 (de) Extruder
EP0855954B1 (de) Extruder für kunststoffe
DE2029353C3 (de) Spritzgießvorrichtung
AT511564B1 (de) Mischvorrichtung und verfahren zum mischen eines schüttgutes oder einer pastösen masse
EP1432560B1 (de) Kontinuierliche herstellung von elastomermischungen für die gummiherstellung
DE2239672A1 (de) Verfahren und vorrichtung fuer das zusetzen von hilfsstoffen zu einer kunststoffmasse in einem extruder
DE1778436A1 (de) Verfahren und Vorrichtung zur kontinuierlichen Aufbereitung von Kunststoffmassen
WO2021073699A1 (de) Mischteil für eine plastifiziereinheit einer schneckenmaschine
DE1529798B1 (de) Vorrichtung zum kontinuierlichen Homogenisieren undStrangpressen von verschiedenartigen Kunststoffen
EP0490360B1 (de) Verfahren und Extruder zur Verarbeitung und Herstellung von Kautschuk und thermoplastischen Kunststoffen
DE1917195A1 (de) Verfahren und Einrichtung zur Herstellung von PVC-Granulat
DE4401026C2 (de) Vorrichtung zur Plastifizierung von Kunststoffen
DE1261660B (de) Verfahren zur Herstellung von Schaumkunststofferzeugnissen durch Strangverpressen von blaehmittelhaltigem, thermoplastischem Material
DE3917678A1 (de) Vorrichtung und verfahren zum abdichten eines scherdornes oder einer schnecke einer extrusionsmaschine fuer kautschukmischungen und/oder kunststoffe
DE2406569A1 (de) Verfahren und vorrichtung zum strangpressen von thermoplastischen werkstoffen
DE202010017570U1 (de) Extrusionsanlage zur Herstellung hoch gefüllter Kunststoffe
DE2437592A1 (de) Verfahren und vorrichtung zum herstellen einer kunststoffzusammensetzung
DE1604333B1 (de) Vorrichtung zum Herstellen von Granulat aus plastifizierbaren Stoffen,insbesondere aus Kunststoffen
DE10148721A1 (de) Elastomermischungen für die Gummiherstellung
DE9103982U1 (de) Planetwalzenextruder