IT980631B - Dispositivo per miscelare ed omo geneizzare materie plastiche o plastificabili - Google Patents

Dispositivo per miscelare ed omo geneizzare materie plastiche o plastificabili

Info

Publication number
IT980631B
IT980631B IT67776/73A IT6777673A IT980631B IT 980631 B IT980631 B IT 980631B IT 67776/73 A IT67776/73 A IT 67776/73A IT 6777673 A IT6777673 A IT 6777673A IT 980631 B IT980631 B IT 980631B
Authority
IT
Italy
Prior art keywords
geneizing
homo
plastic
mixing
plastifiable
Prior art date
Application number
IT67776/73A
Other languages
English (en)
Original Assignee
Sig Schweiz Industrieges
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
Priority claimed from CH659472A external-priority patent/CH552453A/de
Application filed by Sig Schweiz Industrieges filed Critical Sig Schweiz Industrieges
Application granted granted Critical
Publication of IT980631B publication Critical patent/IT980631B/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
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
    • B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT67776/73A 1972-05-03 1973-03-16 Dispositivo per miscelare ed omo geneizzare materie plastiche o plastificabili IT980631B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH659472A CH552453A (de) 1972-05-03 1972-05-03 Vorrichtung zum mischen und homogenisieren von plastischen oder plastifizierbaren werkstoffen.
CH1294772 1972-09-01

Publications (1)

Publication Number Publication Date
IT980631B true IT980631B (it) 1974-10-10

Family

ID=25699836

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67776/73A IT980631B (it) 1972-05-03 1973-03-16 Dispositivo per miscelare ed omo geneizzare materie plastiche o plastificabili

Country Status (4)

Country Link
JP (1) JPS4941455A (it)
DE (1) DE2310785A1 (it)
FR (1) FR2182919A1 (it)
IT (1) IT980631B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113468A (en) * 1975-03-29 1976-10-06 Toshinobu Takagi Solid surface processing system
JPS5621549Y2 (it) * 1976-09-07 1981-05-21
JPS5363468A (en) * 1976-11-18 1978-06-06 Japan Steel Works Ltd Extruder
JPS5424574A (en) * 1977-07-26 1979-02-23 Fujitsu Ltd Manufacture for semiconductor device
JPS57111019A (en) * 1980-12-23 1982-07-10 Ise Electronics Corp Doping method for impurity
JPH05206049A (ja) * 1992-01-30 1993-08-13 Matsushita Electric Ind Co Ltd イオン打ち込み方法及びイオン打ち込み装置

Also Published As

Publication number Publication date
FR2182919B3 (it) 1976-03-26
JPS4941455A (it) 1974-04-18
DE2310785A1 (de) 1973-11-15
FR2182919A1 (en) 1973-12-14

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