AU457024B2 - Improvements in and relating to extrusion processes - Google Patents

Improvements in and relating to extrusion processes

Info

Publication number
AU457024B2
AU457024B2 AU31444/71A AU3144471A AU457024B2 AU 457024 B2 AU457024 B2 AU 457024B2 AU 31444/71 A AU31444/71 A AU 31444/71A AU 3144471 A AU3144471 A AU 3144471A AU 457024 B2 AU457024 B2 AU 457024B2
Authority
AU
Australia
Prior art keywords
relating
extrusion processes
extrusion
processes
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
AU31444/71A
Other languages
English (en)
Other versions
AU3144471A (en
Inventor
Joseph Edwards And James Jack William
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.)
BXL Plastics Ltd
Original Assignee
Bakelite Xylonite 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 Bakelite Xylonite Ltd filed Critical Bakelite Xylonite Ltd
Publication of AU3144471A publication Critical patent/AU3144471A/en
Application granted granted Critical
Publication of AU457024B2 publication Critical patent/AU457024B2/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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/78—Processes of molding using vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
AU31444/71A 1970-07-21 1971-07-20 Improvements in and relating to extrusion processes Expired AU457024B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3530170A GB1364236A (en) 1970-07-21 1970-07-21 Extrusion processes
GBGB35301/70 1970-07-21

Publications (2)

Publication Number Publication Date
AU3144471A AU3144471A (en) 1973-01-25
AU457024B2 true AU457024B2 (en) 1975-01-16

Family

ID=10376167

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31444/71A Expired AU457024B2 (en) 1970-07-21 1971-07-20 Improvements in and relating to extrusion processes

Country Status (8)

Country Link
US (1) US3796781A (OSRAM)
JP (1) JPS5444702B1 (OSRAM)
AU (1) AU457024B2 (OSRAM)
CA (1) CA987464A (OSRAM)
DE (1) DE2136168C2 (OSRAM)
FR (1) FR2099499B1 (OSRAM)
GB (1) GB1364236A (OSRAM)
SE (1) SE375043B (OSRAM)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985931A (en) * 1973-06-04 1976-10-12 Owens-Illinois, Inc. Method for the cooling of a tubular extrudate of expanded polystyrene
US4062916A (en) * 1973-09-17 1977-12-13 Imperial Chemical Industries Limited Production of tubular film
GB1421978A (en) * 1973-09-17 1976-01-21 Ici Ltd Production of tubular film
GB1490337A (en) * 1973-10-15 1977-11-02 Bakelite Xylonite Ltd Extrusion processes
US4185148A (en) * 1976-05-17 1980-01-22 Mitsubishi Rayon Company Limited Process for producing the polypropylene film for electrical appliances
DE3729449A1 (de) * 1987-09-03 1989-03-16 Hoechst Ag Verfahren und vorrichtung zur herstellung eines stranggepressten, verstreckten, nahtlosen schlauches
DE19825179A1 (de) * 1998-06-05 1999-12-09 Wolff Walsrode Ag Verfahren zur Kalibrierung nach unten aus einer Düse ausgezogener nahtloser Polymerschläuche
AU7731801A (en) * 2000-10-03 2002-04-11 Viskase Corporation Method and apparatus for use in manufacture of cellulose casing
DE102006059932A1 (de) * 2006-12-19 2008-06-26 Robert Bosch Gmbh Verfahren und Vorrichtung zur Herstellung eines strangförmigen Extrudates
US20110194825A1 (en) * 2010-02-10 2011-08-11 Donald Ray Parris Method of forming an optical fiber buffer tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR666262A (fr) * 1928-01-25 1929-09-30 Wolff & Co Kg Procédé de fabrication de tuyaux flexibles sans couture à partir de solution de celluloses
FR670154A (fr) * 1928-02-23 1929-11-26 Kalle & Co Ag Appareil pour le filage de corps tubulaires en cellulose
DE601842C (de) * 1930-01-30 1934-08-25 Kalle & Co Akt Ges Vorrichtung zum Spinnen nahtloser Celluloseschlaeuche
US3012276A (en) * 1960-08-04 1961-12-12 Plastex Company Method and apparatus for extruding plastic conduit
DE1262567B (de) * 1961-04-28 1968-03-07 Hoechst Ag Vorrichtung zum Strangpressen von geschmolzenen Polymeren in der Form eines Folienschlauches
US3385918A (en) * 1962-12-01 1968-05-28 Bx Plastics Ltd Extrusion process and apparatus for isotactic polypropylene
DE1242851C2 (de) * 1965-03-26 1973-08-09 Bx Plastics Ltd Vorrichtung zum herstellen eines stranggepressten schlauches aus isotaktischem polypropylen
GB1106994A (en) * 1964-07-06 1968-03-20 Bakelite Xylonite Ltd Improvements in and relating to thermoplastic films
US3450806A (en) * 1965-11-26 1969-06-17 Exxon Research Engineering Co Process and apparatus for the formation of film
SE366243B (OSRAM) * 1968-09-28 1974-04-22 Kohjin Co

Also Published As

Publication number Publication date
CA987464A (en) 1976-04-20
FR2099499B1 (OSRAM) 1976-03-19
DE2136168A1 (de) 1972-03-23
US3796781A (en) 1974-03-12
GB1364236A (en) 1974-08-21
AU3144471A (en) 1973-01-25
JPS5444702B1 (OSRAM) 1979-12-27
SE375043B (OSRAM) 1975-04-07
DE2136168C2 (de) 1984-10-04
FR2099499A1 (OSRAM) 1972-03-17

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