CH341307A - Trafila per l'estrusione di materie plastiche e simili - Google Patents

Trafila per l'estrusione di materie plastiche e simili

Info

Publication number
CH341307A
CH341307A CH341307DA CH341307A CH 341307 A CH341307 A CH 341307A CH 341307D A CH341307D A CH 341307DA CH 341307 A CH341307 A CH 341307A
Authority
CH
Switzerland
Prior art keywords
extrusion
plastics
die
Prior art date
Application number
Other languages
English (en)
Inventor
Trinchero Regina
Ugo Alfonsina
Original Assignee
Trinchero Regina
Ugo Alfonsina
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 Trinchero Regina, Ugo Alfonsina filed Critical Trinchero Regina
Publication of CH341307A publication Critical patent/CH341307A/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
    • B29C48/03—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
CH341307D 1955-10-31 1956-10-22 Trafila per l'estrusione di materie plastiche e simili CH341307A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT341307X 1955-10-31

Publications (1)

Publication Number Publication Date
CH341307A true CH341307A (it) 1959-09-30

Family

ID=11239271

Family Applications (1)

Application Number Title Priority Date Filing Date
CH341307D CH341307A (it) 1955-10-31 1956-10-22 Trafila per l'estrusione di materie plastiche e simili

Country Status (2)

Country Link
CH (1) CH341307A (it)
FR (1) FR1163429A (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228064A (en) * 1963-05-17 1966-01-11 Cyril Adams & Company Ltd Extruding or compounding machine for plastic materials
US3470584A (en) * 1965-11-30 1969-10-07 Sekisui Chemical Co Ltd Extruder for shaping powdery thermoplastic resins

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228064A (en) * 1963-05-17 1966-01-11 Cyril Adams & Company Ltd Extruding or compounding machine for plastic materials
US3470584A (en) * 1965-11-30 1969-10-07 Sekisui Chemical Co Ltd Extruder for shaping powdery thermoplastic resins

Also Published As

Publication number Publication date
FR1163429A (fr) 1958-09-25

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