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 (enrdf_load_html_response) 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 (enrdf_load_html_response)
CH (1) CH587116A5 (enrdf_load_html_response)
DE (1) DE2604631A1 (enrdf_load_html_response)
ES (1) ES444475A1 (enrdf_load_html_response)
FR (1) FR2327050A1 (enrdf_load_html_response)
IT (1) IT1052686B (enrdf_load_html_response)
NL (1) NL7600222A (enrdf_load_html_response)

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

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