CH360492A - Pressa a viti per l'estrusione di materie plastiche - Google Patents

Pressa a viti per l'estrusione di materie plastiche

Info

Publication number
CH360492A
CH360492A CH360492DA CH360492A CH 360492 A CH360492 A CH 360492A CH 360492D A CH360492D A CH 360492DA CH 360492 A CH360492 A CH 360492A
Authority
CH
Switzerland
Prior art keywords
extrusion
plastic materials
screw press
press
screw
Prior art date
Application number
Other languages
English (en)
Inventor
Colombo Roberto
Original Assignee
Lavorazione Mat Plastiche Sas
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 Lavorazione Mat Plastiche Sas filed Critical Lavorazione Mat Plastiche Sas
Publication of CH360492A publication Critical patent/CH360492A/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/24—Extrusion presses; Dies therefor using screws or worms
    • B30B11/243—Extrusion presses; Dies therefor using screws or worms using two or more screws working in the same chamber
    • 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
    • B29C48/402—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 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
    • B29C48/25—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
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/78—Processes of molding using vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH360492D 1957-11-14 1958-11-03 Pressa a viti per l'estrusione di materie plastiche CH360492A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT360492X 1957-11-14

Publications (1)

Publication Number Publication Date
CH360492A true CH360492A (it) 1962-02-28

Family

ID=11244463

Family Applications (1)

Application Number Title Priority Date Filing Date
CH360492D CH360492A (it) 1957-11-14 1958-11-03 Pressa a viti per l'estrusione di materie plastiche

Country Status (4)

Country Link
US (1) US2968836A (it)
CH (1) CH360492A (it)
FR (1) FR1215266A (it)
GB (1) GB861145A (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262464A (it) * 1960-03-16 1900-01-01
US3170771A (en) * 1961-01-30 1965-02-23 Continental Titanium Corp Apparatus for continuous digestion of titanium bearing materials
US3137220A (en) * 1961-02-10 1964-06-16 Power Curbers Inc Feeding means for curb laying machine
US4022440A (en) * 1974-02-21 1977-05-10 Ikegai Iron Works, Ltd. Method for producing plastic compound and an apparatus therefor
DE3215273A1 (de) * 1982-04-23 1983-10-27 Bayer Ag, 5090 Leverkusen Vorrichtung zum austragen hochviskoser medien in der chemischen verfahrenstechnik
DE3711328C1 (de) * 1987-04-03 1988-03-24 Werner & Pfleiderer Entgasungsvorrichtung fuer Schneckenextruder
US5372418A (en) * 1992-11-19 1994-12-13 Polymer Processing Institute Back mix drag-flow apparatus
IT246782Y1 (it) * 1999-06-11 2002-04-10 Rossa Giovanni Della Estrusore compatto a piu' viti parallele
US6414054B1 (en) * 1999-12-21 2002-07-02 General Electric Company Continuous preparation of heat-vulcanizable silicone compositions
DE10122462C1 (de) * 2001-05-09 2002-10-10 3 & Extruder Gmbh Vorrichtung mit Schnecken zum Homogenisieren und/oder Dispergieren eines viskosen Stoffes und eines Feststoffes und/oder eines anderen Stoffes unterschiedlicher Viskosität
DE10143570A1 (de) * 2001-09-05 2003-03-20 Buehler Ag Entgasung von fließfähigen Massen in einem Mehrwellenextruder
DE10233214B4 (de) * 2002-07-22 2005-01-27 3+Extruder Gmbh Extruder zum kontinuierlichen Bearbeiten und/oder Verarbeiten von fließfähigen Materialien
DE10251152B4 (de) * 2002-10-31 2007-10-04 Rehau Ag + Co. Extrudieren von peroxidischen vernetzbaren Formteilen aus Kunststoff
GB2422327A (en) * 2005-01-25 2006-07-26 George Martin Gale Thermoplastic laboratory mixer
US9180618B2 (en) * 2012-03-16 2015-11-10 King Abdulaziz City For Science And Technology Twin screw extruder
US9079334B2 (en) * 2012-04-27 2015-07-14 King Abdulaziz City For Science And Technology Integrated single and twin screw extruder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441222A (en) * 1943-10-19 1948-05-11 Welding Engineers Extruder
US2458068A (en) * 1943-11-25 1949-01-04 Welding Engineers System for the treatment of material
FR960503A (it) * 1947-06-25 1950-04-20

Also Published As

Publication number Publication date
US2968836A (en) 1961-01-24
FR1215266A (fr) 1960-04-15
GB861145A (en) 1961-02-15

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