GB711875A - An improved mixing screw for plastic materials - Google Patents

An improved mixing screw for plastic materials

Info

Publication number
GB711875A
GB711875A GB3434/52A GB343452A GB711875A GB 711875 A GB711875 A GB 711875A GB 3434/52 A GB3434/52 A GB 3434/52A GB 343452 A GB343452 A GB 343452A GB 711875 A GB711875 A GB 711875A
Authority
GB
United Kingdom
Prior art keywords
screw
plastic material
thread
centre portion
centre
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
GB3434/52A
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.)
Jackson and Church Co
Original Assignee
Jackson and Church Co
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 Jackson and Church Co filed Critical Jackson and Church Co
Publication of GB711875A publication Critical patent/GB711875A/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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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)
GB3434/52A 1951-08-13 1952-02-08 An improved mixing screw for plastic materials Expired GB711875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US317568XA 1951-08-13 1951-08-13

Publications (1)

Publication Number Publication Date
GB711875A true GB711875A (en) 1954-07-14

Family

ID=21861229

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3434/52A Expired GB711875A (en) 1951-08-13 1952-02-08 An improved mixing screw for plastic materials

Country Status (6)

Country Link
BE (1) BE507015A (OSRAM)
CH (1) CH317568A (OSRAM)
DE (1) DE969585C (OSRAM)
FR (1) FR1048719A (OSRAM)
GB (1) GB711875A (OSRAM)
LU (1) LU31085A1 (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1174054B (de) * 1950-03-07 1964-07-16 Nat Rubber Machinery Co Schneckenstrangpresse, insbesondere zur Ver-arbeitung von Kautschuk und Kunststoffen
DE1131389B (de) * 1955-11-24 1962-06-14 Werner & Pfleiderer Kontinuierliche Misch- und Knetvorrichtung zum Herstellen von Mischungen, insbesondere Gummi- und Kunststoff-mischungen
GB1012766A (en) * 1962-08-09 1965-12-08 Shell Int Research Screw extruder for extruding plastic materials
GB1504945A (en) * 1975-04-12 1978-03-22 Iddon Bros Ltd Scrolls for extruding machines
DE3227443C1 (de) * 1982-07-22 1984-02-09 Windmöller & Hölscher, 4540 Lengerich Trichterstueck einer Einschneckenstrangpresse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519014A (en) * 1946-05-20 1950-08-15 Lucas County Bank Compounding and molding machine
BE470057A (OSRAM) * 1946-12-21 1900-01-01
FR964617A (fr) * 1947-04-12 1950-08-19 Pirelli Mélangeur continu pour la production de mélanges de caoutchouc ou d'autres matières plastiques
NL131363C (OSRAM) * 1965-06-09 Hoechst Ag

Also Published As

Publication number Publication date
CH317568A (de) 1956-11-30
DE969585C (de) 1958-06-19
FR1048719A (fr) 1953-12-23
LU31085A1 (OSRAM) 1900-01-01
BE507015A (OSRAM) 1900-01-01

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