IT1129398B - Dispositivo miscelatore omogeneizzatore per presse ad iniezione ed estrusori per termoplastici - Google Patents

Dispositivo miscelatore omogeneizzatore per presse ad iniezione ed estrusori per termoplastici

Info

Publication number
IT1129398B
IT1129398B IT68905/80A IT6890580A IT1129398B IT 1129398 B IT1129398 B IT 1129398B IT 68905/80 A IT68905/80 A IT 68905/80A IT 6890580 A IT6890580 A IT 6890580A IT 1129398 B IT1129398 B IT 1129398B
Authority
IT
Italy
Prior art keywords
extruders
thermoplastics
mixer device
homogenizer mixer
injection presses
Prior art date
Application number
IT68905/80A
Other languages
English (en)
Other versions
IT8068905A0 (it
Inventor
Giuseppe Brizio
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
Priority to IT68905/80A priority Critical patent/IT1129398B/it
Publication of IT8068905A0 publication Critical patent/IT8068905A0/it
Priority to DE3147723A priority patent/DE3147723C2/de
Priority to FR8123236A priority patent/FR2496002B1/fr
Priority to ES508580A priority patent/ES508580A0/es
Application granted granted Critical
Publication of IT1129398B publication Critical patent/IT1129398B/it

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)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT68905/80A 1980-12-15 1980-12-15 Dispositivo miscelatore omogeneizzatore per presse ad iniezione ed estrusori per termoplastici IT1129398B (it)

Priority Applications (4)

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
DE3147723A DE3147723C2 (de) 1980-12-15 1981-12-02 Misch- und Homogenisierteil für eine Plastifizierschnecke von Spritzpressen und Extrudern für thermoplastische Werkstoffe
FR8123236A FR2496002B1 (fr) 1980-12-15 1981-12-11 Dispositif melangeur et homogeneiseur pour presses a injecter et extrudeuses pour matieres thermoplastiques
ES508580A ES508580A0 (es) 1980-12-15 1981-12-15 Dispositivo mezclador homogeneizador para prensas de inyeccion y extrusoras para termoplasticos.

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
IT8068905A0 IT8068905A0 (it) 1980-12-15
IT1129398B true IT1129398B (it) 1986-06-04

Family

ID=11310873

Family Applications (1)

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

Country Status (4)

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

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 (it) * 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 (it) * 1975-11-05 1977-10-31 Netstal Ag Maschf Giesserei

Also Published As

Publication number Publication date
ES8300284A1 (es) 1982-11-01
ES508580A0 (es) 1982-11-01
DE3147723A1 (de) 1982-09-02
FR2496002A1 (fr) 1982-06-18
DE3147723C2 (de) 1993-10-28
FR2496002B1 (fr) 1986-01-24
IT8068905A0 (it) 1980-12-15

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