GB1591730A - Screws for extruding machines - Google Patents

Screws for extruding machines Download PDF

Info

Publication number
GB1591730A
GB1591730A GB51234/77A GB5123477A GB1591730A GB 1591730 A GB1591730 A GB 1591730A GB 51234/77 A GB51234/77 A GB 51234/77A GB 5123477 A GB5123477 A GB 5123477A GB 1591730 A GB1591730 A GB 1591730A
Authority
GB
United Kingdom
Prior art keywords
vanes
screw
channel
zone
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.)
Expired
Application number
GB51234/77A
Other languages
English (en)
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 BROS Ltd
Original Assignee
IDDON BROS 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 BROS Ltd filed Critical IDDON BROS Ltd
Priority to GB51234/77A priority Critical patent/GB1591730A/en
Priority to US05/950,443 priority patent/US4201481A/en
Priority to DE19787832143U priority patent/DE7832143U1/de
Priority to FR7832046A priority patent/FR2411079A1/fr
Publication of GB1591730A publication Critical patent/GB1591730A/en
Expired 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)
GB51234/77A 1977-12-08 1977-12-08 Screws for extruding machines Expired GB1591730A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB51234/77A GB1591730A (en) 1977-12-08 1977-12-08 Screws for extruding machines
US05/950,443 US4201481A (en) 1977-12-08 1978-10-11 Scrolls for extruding machines
DE19787832143U DE7832143U1 (de) 1977-12-08 1978-10-28 Extruderschnecke
FR7832046A FR2411079A1 (fr) 1977-12-08 1978-11-06 Perfectionnements aux vis pour machines a extruder

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 (1)

Publication Number Publication Date
GB1591730A true GB1591730A (en) 1981-06-24

Family

ID=10459176

Family Applications (1)

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

Country Status (3)

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

Cited By (2)

* 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

Cited By (2)

* 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

Also Published As

Publication number Publication date
DE7832143U1 (de) 1979-02-15
FR2411079A1 (fr) 1979-07-06
FR2411079B3 (de) 1981-09-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19980529