DE3147723C2 - Misch- und Homogenisierteil für eine Plastifizierschnecke von Spritzpressen und Extrudern für thermoplastische Werkstoffe - Google Patents

Misch- und Homogenisierteil für eine Plastifizierschnecke von Spritzpressen und Extrudern für thermoplastische Werkstoffe

Info

Publication number
DE3147723C2
DE3147723C2 DE3147723A DE3147723A DE3147723C2 DE 3147723 C2 DE3147723 C2 DE 3147723C2 DE 3147723 A DE3147723 A DE 3147723A DE 3147723 A DE3147723 A DE 3147723A DE 3147723 C2 DE3147723 C2 DE 3147723C2
Authority
DE
Germany
Prior art keywords
mixing
grooves
screw
homogenizing part
plasticizing screw
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 - Fee Related
Application number
DE3147723A
Other languages
German (de)
English (en)
Other versions
DE3147723A1 (de
Inventor
Giuseppe Brizio
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.)
Fiat Auto SpA
Original Assignee
Fiat Auto 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 Fiat Auto SpA filed Critical Fiat Auto SpA
Publication of DE3147723A1 publication Critical patent/DE3147723A1/de
Application granted granted Critical
Publication of DE3147723C2 publication Critical patent/DE3147723C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE3147723A 1980-12-15 1981-12-02 Misch- und Homogenisierteil für eine Plastifizierschnecke von Spritzpressen und Extrudern für thermoplastische Werkstoffe Expired - Fee Related DE3147723C2 (de)

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
DE3147723A1 DE3147723A1 (de) 1982-09-02
DE3147723C2 true DE3147723C2 (de) 1993-10-28

Family

ID=11310873

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3147723A Expired - Fee Related DE3147723C2 (de) 1980-12-15 1981-12-02 Misch- und Homogenisierteil für eine Plastifizierschnecke von Spritzpressen und Extrudern für thermoplastische Werkstoffe

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
ES8300284A1 (es) 1982-11-01
DE3147723A1 (de) 1982-09-02
ES508580A0 (es) 1982-11-01
IT8068905A0 (it) 1980-12-15

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8128 New person/name/address of the agent

Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: FIAT AUTO S.P.A., TURIN/TORINO, IT

8128 New person/name/address of the agent

Representative=s name: KOECHLING, C., DIPL.-ING. KOECHLING, C., DIPL.-ING

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee