IT1052686B - Vite di plastificazione per materiali plastici con profilo elicoidale provvisto di intagli - Google Patents

Vite di plastificazione per materiali plastici con profilo elicoidale provvisto di intagli

Info

Publication number
IT1052686B
IT1052686B IT70102/75A IT7010275A IT1052686B IT 1052686 B IT1052686 B IT 1052686B IT 70102/75 A IT70102/75 A IT 70102/75A IT 7010275 A IT7010275 A IT 7010275A IT 1052686 B IT1052686 B IT 1052686B
Authority
IT
Italy
Prior art keywords
notches
plastic materials
plasticizing screw
helical profile
helical
Prior art date
Application number
IT70102/75A
Other languages
English (en)
Italian (it)
Original Assignee
Vymil Finanz & Verwaltungs
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 Vymil Finanz & Verwaltungs filed Critical Vymil Finanz & Verwaltungs
Application granted granted Critical
Publication of IT1052686B publication Critical patent/IT1052686B/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
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/60—Thread tops
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Screw Conveyors (AREA)
IT70102/75A 1975-10-07 1975-12-17 Vite di plastificazione per materiali plastici con profilo elicoidale provvisto di intagli IT1052686B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1302475A CH587116A5 (enExample) 1975-10-07 1975-10-07

Publications (1)

Publication Number Publication Date
IT1052686B true IT1052686B (it) 1981-07-20

Family

ID=4388619

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70102/75A IT1052686B (it) 1975-10-07 1975-12-17 Vite di plastificazione per materiali plastici con profilo elicoidale provvisto di intagli

Country Status (7)

Country Link
JP (1) JPS5245663A (enExample)
CH (1) CH587116A5 (enExample)
DE (1) DE2604631A1 (enExample)
ES (1) ES444475A1 (enExample)
FR (1) FR2327050A1 (enExample)
IT (1) IT1052686B (enExample)
NL (1) NL7600222A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227816A (en) * 1978-08-21 1980-10-14 Usm Corporation Rotary processor
EP1308262A1 (de) * 2001-10-31 2003-05-07 Krauss-Maffei Kunststofftechnik GmbH Extrusionsschnecke

Also Published As

Publication number Publication date
FR2327050A1 (fr) 1977-05-06
ES444475A1 (es) 1977-10-01
NL7600222A (nl) 1977-04-13
CH587116A5 (enExample) 1977-04-29
JPS5245663A (en) 1977-04-11
DE2604631A1 (de) 1977-04-21
FR2327050B3 (enExample) 1978-10-13

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