IT987013B - Procedimento e dispositivo per l estrusione di materiali ter moplastici - Google Patents

Procedimento e dispositivo per l estrusione di materiali ter moplastici

Info

Publication number
IT987013B
IT987013B IT20296/73A IT2029673A IT987013B IT 987013 B IT987013 B IT 987013B IT 20296/73 A IT20296/73 A IT 20296/73A IT 2029673 A IT2029673 A IT 2029673A IT 987013 B IT987013 B IT 987013B
Authority
IT
Italy
Prior art keywords
ter
extrusion
procedure
moplastic
materials
Prior art date
Application number
IT20296/73A
Other languages
English (en)
Original Assignee
Miani Mario
Maria Giuseppe De
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 Miani Mario, Maria Giuseppe De filed Critical Miani Mario
Priority to IT20296/73A priority Critical patent/IT987013B/it
Priority to DE2406569A priority patent/DE2406569C3/de
Application granted granted Critical
Publication of IT987013B publication Critical patent/IT987013B/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
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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
    • B29C48/395—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/404—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having non-intermeshing parts
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/425—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders using three or more 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
    • B29C48/395—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/435—Sub-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
    • B29C48/03—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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT20296/73A 1973-02-13 1973-02-13 Procedimento e dispositivo per l estrusione di materiali ter moplastici IT987013B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT20296/73A IT987013B (it) 1973-02-13 1973-02-13 Procedimento e dispositivo per l estrusione di materiali ter moplastici
DE2406569A DE2406569C3 (de) 1973-02-13 1974-02-12 Verfahren zum Strangpressen oder Spritzgießen von thermoplastischen Kunststoffen und Vorrichtung zur Durchführung des Verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20296/73A IT987013B (it) 1973-02-13 1973-02-13 Procedimento e dispositivo per l estrusione di materiali ter moplastici

Publications (1)

Publication Number Publication Date
IT987013B true IT987013B (it) 1975-02-20

Family

ID=11165509

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20296/73A IT987013B (it) 1973-02-13 1973-02-13 Procedimento e dispositivo per l estrusione di materiali ter moplastici

Country Status (2)

Country Link
DE (1) DE2406569C3 (it)
IT (1) IT987013B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543328B2 (de) * 1975-09-29 1978-01-12 Paul Troester Maschinenfabrik, 3000 Hannover Vorrichtung zum extrudieren von thermoplastischen kunststoffen und elastomeren
US4767303A (en) * 1986-02-12 1988-08-30 Sumitomo Chemical Company, Ltd. Extruding apparatus for extruding synthetic resin
DE4001988C1 (it) * 1990-01-24 1990-10-25 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De
DE19607661C1 (de) * 1996-02-29 1997-07-10 Fritsch Rosemarie I Verteilergetriebe zum Antrieb einer Vielwellenschneckenmaschine
DE19607666C1 (de) * 1996-02-29 1997-07-10 Fritsch Rosemarie I Compoundiermaschine
DE10357578A1 (de) * 2003-12-08 2005-07-14 Bühler AG Spritzgussanlage und Spritzgussverfahren

Also Published As

Publication number Publication date
DE2406569B2 (de) 1978-02-09
DE2406569A1 (de) 1974-09-05
DE2406569C3 (de) 1978-10-19

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