CH242208A - Pressa d'estrusione. - Google Patents

Pressa d'estrusione.

Info

Publication number
CH242208A
CH242208A CH242208DA CH242208A CH 242208 A CH242208 A CH 242208A CH 242208D A CH242208D A CH 242208DA CH 242208 A CH242208 A CH 242208A
Authority
CH
Switzerland
Prior art keywords
extrusion press
extrusion
press
Prior art date
Application number
Other languages
English (en)
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 CH242208A publication Critical patent/CH242208A/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
    • B29C48/25—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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical 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)
CH242208D 1943-05-06 1944-05-15 Pressa d'estrusione. CH242208A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT620684X 1943-05-06

Publications (1)

Publication Number Publication Date
CH242208A true CH242208A (it) 1946-04-30

Family

ID=11293273

Family Applications (1)

Application Number Title Priority Date Filing Date
CH242208D CH242208A (it) 1943-05-06 1944-05-15 Pressa d'estrusione.

Country Status (5)

Country Link
BE (1) BE456090A (it)
CH (1) CH242208A (it)
DE (1) DE883338C (it)
FR (1) FR904317A (it)
GB (1) GB620684A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2446420C2 (de) * 1974-09-28 1982-07-15 Krauss-Maffei AG, 8000 München Schneckenstrangpresse zum Verarbeiten von Kunststoffen
DE3152097A1 (de) * 1980-06-13 1982-08-26 Stord Bartz As Screw press arrangement
NO146803C (no) * 1980-06-13 1984-06-01 Stord Bartz As Anordning ved skruepresse
AT376397B (de) * 1982-12-21 1984-11-12 Cincinnati Milacron Austria Schneckenstrangpresse
DE3888533D1 (de) * 1988-09-14 1994-04-21 Babbini & C Sas Civitella Di R Entwässerungsschneckenpresse mit zwei oder mehr schraubenförmigen Elementen mit ineinandergreifenden Profilen.
DE4115583A1 (de) * 1991-05-13 1992-11-19 Johannes Dr Ing Weber Mehrfachschneckenextruder
JP3086217B1 (ja) * 1999-05-07 2000-09-11 財団法人工業技術研究院 デュアルスクリュー回転子装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB620684A (en) 1949-03-29
DE883338C (de) 1956-03-08
BE456090A (it) 1900-01-01
FR904317A (fr) 1945-11-02

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