FR2411079B3 - - Google Patents

Info

Publication number
FR2411079B3
FR2411079B3 FR7832046A FR7832046A FR2411079B3 FR 2411079 B3 FR2411079 B3 FR 2411079B3 FR 7832046 A FR7832046 A FR 7832046A FR 7832046 A FR7832046 A FR 7832046A FR 2411079 B3 FR2411079 B3 FR 2411079B3
Authority
FR
France
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.)
Expired
Application number
FR7832046A
Other languages
French (fr)
Other versions
FR2411079A1 (fr
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.)
Iddon Brothers Ltd
Original Assignee
Iddon Brothers Ltd
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 Iddon Brothers Ltd filed Critical Iddon Brothers Ltd
Publication of FR2411079A1 publication Critical patent/FR2411079A1/fr
Application granted granted Critical
Publication of FR2411079B3 publication Critical patent/FR2411079B3/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
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7832046A 1977-12-08 1978-11-06 Perfectionnements aux vis pour machines a extruder Granted FR2411079A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51234/77A GB1591730A (en) 1977-12-08 1977-12-08 Screws for extruding machines

Publications (2)

Publication Number Publication Date
FR2411079A1 FR2411079A1 (fr) 1979-07-06
FR2411079B3 true FR2411079B3 (de) 1981-09-11

Family

ID=10459176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832046A Granted FR2411079A1 (fr) 1977-12-08 1978-11-06 Perfectionnements aux vis pour machines a extruder

Country Status (3)

Country Link
DE (1) DE7832143U1 (de)
FR (1) FR2411079A1 (de)
GB (1) GB1591730A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137893A (en) * 1983-04-13 1984-10-17 Nat Res Dev Improvements in or relating to conveying screws
DE3627428A1 (de) * 1986-08-13 1988-02-18 Gl Upravlenie Str V Primorskom Kontinuierlich arbeitender rotations-mischer-dispergator
DE69421870T2 (de) * 1993-09-16 2000-06-15 Gen Electric Einzelschneckeextrudiervorrichtung, fähig zur Erzeugung einer kaotischen Mischung
KR0140270B1 (ko) * 1994-05-10 1998-06-01 김만제 단축압출기용 카오스 스크류(Chaos Screw)

Also Published As

Publication number Publication date
DE7832143U1 (de) 1979-02-15
FR2411079A1 (fr) 1979-07-06
GB1591730A (en) 1981-06-24

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