ES8300284A1 - Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos. - Google Patents

Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos.

Info

Publication number
ES8300284A1
ES8300284A1 ES508580A ES508580A ES8300284A1 ES 8300284 A1 ES8300284 A1 ES 8300284A1 ES 508580 A ES508580 A ES 508580A ES 508580 A ES508580 A ES 508580A ES 8300284 A1 ES8300284 A1 ES 8300284A1
Authority
ES
Spain
Prior art keywords
plasticizing
mixing
extruders
transfer moulding
thermoplastic materials
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
ES508580A
Other languages
English (en)
Other versions
ES508580A0 (es
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.)
Comind SpA
Original Assignee
Comind SpA
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 Comind SpA filed Critical Comind SpA
Publication of ES8300284A1 publication Critical patent/ES8300284A1/es
Publication of ES508580A0 publication Critical patent/ES508580A0/es
Granted 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
    • 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
    • B29C48/565—Screws having projections other than the thread, 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
    • 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
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/52—Non-return devices
    • B29C2045/528—Mixing means forming part of or in close proximity to the non-return valve
    • 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)
  • Manufacturing & Machinery (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

DISPOSITIVO MEZCLADOR HOMOGENEIZADOR PARA PRENSAS DE INYECCION Y EXTRUSORAS DE TERMOPLASTICOS. ESTA FORMADO POR UN CUERPO (31) QUE SE UNE AL TORNILLO SIN FIN (17) DE LA MAQUINA Y QUE PRESENTA UNA PARTE CILINDRICA (32) Y UNA PUNTA CONICA (33) QUE SE INTRODUCE EN LA CAMARA DE INYECCION (20) DE LA MAQUINA. LA PARTE CILINDRICA PRESENTA UNA SERIE DE GARGANTAS (34) CON UNA PROFUNDIDAD COMPRENDIDA ENTRE 5 Y 15 MM, QUE SE CRUZAN CON UN ANGULO MAYOR DE 90<025>. LOS CANALES (35) QUE FORMAN LAS GARGANTAS JUNTO CON LA CAMARA (16) DEL TORNILLO, SON DE FORMA HELICOIDAL Y GUIAN EL MATERIAL TERMOPLASTICO EN DISTINTOS FLUJOS CRUZADOS QUE SE UNEN EN LA CAMARA DE INYECCION.
ES508580A 1980-12-15 1981-12-15 Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos. Granted ES508580A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68905/80A IT1129398B (it) 1980-12-15 1980-12-15 Dispositivo miscelatore omogeneizzatore per presse ad iniezione ed estrusori per termoplastici

Publications (2)

Publication Number Publication Date
ES8300284A1 true ES8300284A1 (es) 1982-11-01
ES508580A0 ES508580A0 (es) 1982-11-01

Family

ID=11310873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES508580A Granted ES508580A0 (es) 1980-12-15 1981-12-15 Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos.

Country Status (4)

Country Link
DE (1) DE3147723C2 (es)
ES (1) ES508580A0 (es)
FR (1) FR2496002B1 (es)
IT (1) IT1129398B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1221893B (it) * 1986-05-30 1990-07-12 Giuseppe Gagliani Procedimento industriale di miscelazione in continuo tramite particolare conformazione della vite dell'estrusore
US5032073A (en) * 1989-10-06 1991-07-16 Thermax Wire Corp. Thin walled high velocity propagation of foamed thermoplastic resins
DE19539203A1 (de) * 1995-10-21 1997-04-24 Gefinex Jackon Gmbh Extruder für Kunststoffe
AU6185798A (en) * 1997-02-28 1998-09-18 Hpm Corporation Thixotropic molding machine and screw therefor
DE102016119172B4 (de) 2016-10-10 2020-03-05 Kraussmaffei Technologies Gmbh Spritzgießmaschine zur Herstellung von faserverstärkten Kunststoff-Formteilen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669750A (en) * 1950-11-21 1954-02-23 Monsanto Chemicals Injection molding device
CH401462A (de) * 1963-02-15 1965-10-31 Buehler Ag Geb Spritzgussmaschine
US3486194A (en) * 1967-08-07 1969-12-30 Clarence E Parks Extruder
DE1779231B1 (de) * 1968-02-12 1972-05-31 Reifenhaeuser Kg Schneckenstrangpresse fuer thermoplastischen kunststoff
JPS5419908B2 (es) * 1974-04-15 1979-07-18
US3936038A (en) * 1974-08-14 1976-02-03 Package Machinery Company Mixer for plastic injection molding machine
DE2529707A1 (de) * 1975-07-03 1977-01-20 Rudolf Dipl Ing Kohler Verfahren und vorrichtung zum plastifizieren von kunststoffen in systemen mit axial verschieblicher schnecke
DE2541738C3 (de) * 1975-09-19 1983-12-01 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Einspritzeinrichtung einer Spritzgießmaschine zum Verarbeiten plastischer Massen mit einer Rückströmsperre
US3989434A (en) * 1975-10-29 1976-11-02 Mcdowell-Wellman Engineering Company Blending and molding means
CH592515A5 (es) * 1975-11-05 1977-10-31 Netstal Ag Maschf Giesserei

Also Published As

Publication number Publication date
FR2496002B1 (fr) 1986-01-24
IT1129398B (it) 1986-06-04
FR2496002A1 (fr) 1982-06-18
DE3147723A1 (de) 1982-09-02
DE3147723C2 (de) 1993-10-28
ES508580A0 (es) 1982-11-01
IT8068905A0 (it) 1980-12-15

Similar Documents

Publication Publication Date Title
DE3378964D1 (en) Screw extruders
ES269680U (es) Metodo para la extrusion de materiales poliolefinicos lineales de baja densidad que tienen altas viscosidades.
GB2068249B (en) Screw press for processing thermoplastic and elastomeric materials
ES8300284A1 (es) Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos.
DE2960322D1 (en) Apparatus for continuously mixing and granulating slime with a solid material
AU3392384A (en) Extruder assembly
DE3175330D1 (en) Screw press with continuous slope feed screw
GB2012203A (en) Screw extruder for processing thermoplastic materials
CA2063924A1 (en) Improvements in plasticising units for screw injection moulding machines
GB1553621A (en) Process for extruding a synthetic resin body having portions of different thickness
GB1012766A (en) Screw extruder for extruding plastic materials
JPS5789938A (en) Twin-screw type preheating feeder
EP0318667A3 (en) Extruder device for plastics materials
GB941764A (en) Pre-heating device for thermoplastic material to be fed to an extrusion moulding screw press
GB1536542A (en) Apparatus suitable for use in processing rubber or plastics materials
FR2421723A1 (fr) Extrudeuse a deux vis
JPS5678927A (en) Kneading and extrusion granulating apparatus of thermosetting resing molding material
SU1703467A1 (ru) Шнековый пресс
JPS57169337A (en) Screw for uniaxial extruder
GB952877A (en) Worm or screw press
JPS55159954A (en) Screw-type extruder
JPS53127561A (en) Extruder screw
FR2338779A1 (fr) Disposition de plastification et fusion de matiere plastique
ES8100536A1 (es) Perfeccionamientos en extrusora multihusillo
JPS55137940A (en) Screw structure for extrusion molding machine

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519