GB838549A - Improvements in or relating to extrusion apparatus - Google Patents

Improvements in or relating to extrusion apparatus

Info

Publication number
GB838549A
GB838549A GB10873/57A GB1087357A GB838549A GB 838549 A GB838549 A GB 838549A GB 10873/57 A GB10873/57 A GB 10873/57A GB 1087357 A GB1087357 A GB 1087357A GB 838549 A GB838549 A GB 838549A
Authority
GB
United Kingdom
Prior art keywords
extrusion
relating
extrusion apparatus
core
mitchell
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
GB10873/57A
Inventor
John Sutcliffe Robinson
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.)
JAMES MITCHELL AND SON
Original Assignee
JAMES MITCHELL AND SON
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 JAMES MITCHELL AND SON filed Critical JAMES MITCHELL AND SON
Priority to GB10873/57A priority Critical patent/GB838549A/en
Publication of GB838549A publication Critical patent/GB838549A/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
    • B29C48/03—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
    • 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

Abstract

838,549. Extrusion machines. MITCHELL & SON, J. July 3, 1958 [April 3, 1957], No. 10873/57. Class 87(2). An extrusion machine has a stationary core 2 around which rotates a worm 2A. The core may extend into the nozzle 4 to produce a tube and may be tapered, fluted or given any other shape in accordance with the extrusion desired,
GB10873/57A 1957-04-03 1957-04-03 Improvements in or relating to extrusion apparatus Expired GB838549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB10873/57A GB838549A (en) 1957-04-03 1957-04-03 Improvements in or relating to extrusion apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10873/57A GB838549A (en) 1957-04-03 1957-04-03 Improvements in or relating to extrusion apparatus

Publications (1)

Publication Number Publication Date
GB838549A true GB838549A (en) 1960-06-22

Family

ID=9975895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10873/57A Expired GB838549A (en) 1957-04-03 1957-04-03 Improvements in or relating to extrusion apparatus

Country Status (1)

Country Link
GB (1) GB838549A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166460B (en) * 1961-11-14 1964-03-26 Troester Maschf Paul Screw press with forced conveying in the feed zone
DE1255915B (en) * 1962-02-01 1967-12-07 Franciscus Roffelsen Screw extruder
DE2433702A1 (en) * 1973-07-13 1975-01-30 Du Pont Canada VENTILATION EXTRUDER AND METHOD OF REMOVING VOLATILE MATERIAL IN CONTACT WITH VISCOSE LIQUIDS
US5562029A (en) * 1984-04-19 1996-10-08 Spirac Engineering Ab Conveying and compacting apparatus having a shaftless spiral in a casing with drainage openings
GB2301795A (en) * 1995-06-07 1996-12-18 Trim Masters Int Ltd Polymer extruder feed with wiping action

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166460B (en) * 1961-11-14 1964-03-26 Troester Maschf Paul Screw press with forced conveying in the feed zone
DE1255915B (en) * 1962-02-01 1967-12-07 Franciscus Roffelsen Screw extruder
DE2433702A1 (en) * 1973-07-13 1975-01-30 Du Pont Canada VENTILATION EXTRUDER AND METHOD OF REMOVING VOLATILE MATERIAL IN CONTACT WITH VISCOSE LIQUIDS
US5562029A (en) * 1984-04-19 1996-10-08 Spirac Engineering Ab Conveying and compacting apparatus having a shaftless spiral in a casing with drainage openings
GB2301795A (en) * 1995-06-07 1996-12-18 Trim Masters Int Ltd Polymer extruder feed with wiping action
GB2301795B (en) * 1995-06-07 2000-01-19 Trim Masters Int Ltd Polymer processing apparatus and method

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