CH240500A - Pressa di estrusione a più viti a filetti compenetrantisi. - Google Patents

Pressa di estrusione a più viti a filetti compenetrantisi.

Info

Publication number
CH240500A
CH240500A CH240500DA CH240500A CH 240500 A CH240500 A CH 240500A CH 240500D A CH240500D A CH 240500DA CH 240500 A CH240500 A CH 240500A
Authority
CH
Switzerland
Prior art keywords
interpenetrating
threads
extrusion press
several screws
screws
Prior art date
Application number
Other languages
English (en)
Italian (it)
Inventor
Societa Per Azioni L Plastiche
Original Assignee
Lavorazione Mat Plast
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 Plast filed Critical Lavorazione Mat Plast
Publication of CH240500A publication Critical patent/CH240500A/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
    • 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
    • B29C48/03—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)
  • Hard Magnetic Materials (AREA)
CH240500D 1943-04-30 1944-04-24 Pressa di estrusione a più viti a filetti compenetrantisi. CH240500A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT240500X 1943-04-30

Publications (1)

Publication Number Publication Date
CH240500A true CH240500A (it) 1945-12-31

Family

ID=11211685

Family Applications (1)

Application Number Title Priority Date Filing Date
CH240500D CH240500A (it) 1943-04-30 1944-04-24 Pressa di estrusione a più viti a filetti compenetrantisi.

Country Status (2)

Country Link
BE (1) BE455842A (en, 2012)
CH (1) CH240500A (en, 2012)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550226A (en) * 1943-04-30 1951-04-24 Colombo Roberto Extrusion press
US2553076A (en) * 1948-04-26 1951-05-15 Detroit Macoid Corp Feeding means for plastic fabricating machines
DE845262C (de) * 1949-01-14 1952-07-31 Gaston Wampach Strangpresse
DE879861C (de) * 1950-08-04 1953-06-15 August Georg Schaefer Fuellwalze fuer Schneckenpressen zur Herstellung von duennwandigen, masshaltigen Strangartikeln, insbesondere von Umhuellungen fuer elektrische Leitungen
DE907346C (de) * 1948-08-06 1954-03-25 Union Carbide & Carbon Corp Knetvorrichtung oder Strangpresse fuer plastische Massen
US2676355A (en) * 1950-03-08 1954-04-27 Pasquetti Carlo Screw press, more particularly for extruding plastic materials

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550226A (en) * 1943-04-30 1951-04-24 Colombo Roberto Extrusion press
US2553076A (en) * 1948-04-26 1951-05-15 Detroit Macoid Corp Feeding means for plastic fabricating machines
DE907346C (de) * 1948-08-06 1954-03-25 Union Carbide & Carbon Corp Knetvorrichtung oder Strangpresse fuer plastische Massen
DE845262C (de) * 1949-01-14 1952-07-31 Gaston Wampach Strangpresse
US2676355A (en) * 1950-03-08 1954-04-27 Pasquetti Carlo Screw press, more particularly for extruding plastic materials
DE879861C (de) * 1950-08-04 1953-06-15 August Georg Schaefer Fuellwalze fuer Schneckenpressen zur Herstellung von duennwandigen, masshaltigen Strangartikeln, insbesondere von Umhuellungen fuer elektrische Leitungen

Also Published As

Publication number Publication date
BE455842A (en, 2012) 1900-01-01

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