FR2327050A1 - Vis de plastification pour matieres plastiques dont la piece profilee helicoidale comporte des entailles - Google Patents

Vis de plastification pour matieres plastiques dont la piece profilee helicoidale comporte des entailles

Info

Publication number
FR2327050A1
FR2327050A1 FR7601224A FR7601224A FR2327050A1 FR 2327050 A1 FR2327050 A1 FR 2327050A1 FR 7601224 A FR7601224 A FR 7601224A FR 7601224 A FR7601224 A FR 7601224A FR 2327050 A1 FR2327050 A1 FR 2327050A1
Authority
FR
France
Prior art keywords
notches
plasticising
helical profile
improve
heated barrel
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7601224A
Other languages
English (en)
French (fr)
Other versions
FR2327050B3 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANDRETTO Sas
Original Assignee
SANDRETTO Sas
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 SANDRETTO Sas filed Critical SANDRETTO Sas
Publication of FR2327050A1 publication Critical patent/FR2327050A1/fr
Application granted granted Critical
Publication of FR2327050B3 publication Critical patent/FR2327050B3/fr
Granted legal-status Critical Current

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)
FR7601224A 1975-10-07 1976-01-19 Vis de plastification pour matieres plastiques dont la piece profilee helicoidale comporte des entailles Granted FR2327050A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2327050A1 true FR2327050A1 (fr) 1977-05-06
FR2327050B3 FR2327050B3 (enrdf_load_stackoverflow) 1978-10-13

Family

ID=4388619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7601224A Granted FR2327050A1 (fr) 1975-10-07 1976-01-19 Vis de plastification pour matieres plastiques dont la piece profilee helicoidale comporte des entailles

Country Status (7)

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

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
IT1052686B (it) 1981-07-20
DE2604631A1 (de) 1977-04-21
CH587116A5 (enrdf_load_stackoverflow) 1977-04-29
FR2327050B3 (enrdf_load_stackoverflow) 1978-10-13
NL7600222A (nl) 1977-04-13
ES444475A1 (es) 1977-10-01
JPS5245663A (en) 1977-04-11

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