CA922063A - Extrusion process and apparatus - Google Patents

Extrusion process and apparatus

Info

Publication number
CA922063A
CA922063A CA922063A CA922063DA CA922063A CA 922063 A CA922063 A CA 922063A CA 922063 A CA922063 A CA 922063A CA 922063D A CA922063D A CA 922063DA CA 922063 A CA922063 A CA 922063A
Authority
CA
Canada
Prior art keywords
apparatus
extrusion process
extrusion
process
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
CA922063A
Inventor
Daniel R. St. Eve
Ajit K. Bose
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.)
LECO INDUSTRIES Ltd
Original Assignee
LECO INDUSTRIES 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 LECO INDUSTRIES Ltd filed Critical LECO INDUSTRIES Ltd
Priority to CA46350 priority Critical
Application granted granted Critical
Publication of CA922063A publication Critical patent/CA922063A/en
Application status is Expired legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9115Cooling of hollow articles
    • B29C48/912Cooling of hollow articles of tubular films
    • B29C48/913Cooling of hollow articles of tubular films externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
CA922063A 1969-03-20 1969-03-20 Extrusion process and apparatus Expired CA922063A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA46350 1969-03-20

Publications (1)

Publication Number Publication Date
CA922063A true CA922063A (en) 1973-03-06

Family

ID=4085050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA922063A Expired CA922063A (en) 1969-03-20 1969-03-20 Extrusion process and apparatus

Country Status (1)

Country Link
CA (1) CA922063A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380115A1 (en) * 1977-02-09 1978-09-08 Mobil Oil Device for tubular extrusion blow
EP0043271A1 (en) 1980-06-30 1982-01-06 Union Carbide Corporation Method and apparatus for cooling film bubble of low strain hardening polymers
US4626397A (en) * 1984-10-29 1986-12-02 Union Camp Corporation Method for controlled orientation of extruded resins

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380115A1 (en) * 1977-02-09 1978-09-08 Mobil Oil Device for tubular extrusion blow
EP0043271A1 (en) 1980-06-30 1982-01-06 Union Carbide Corporation Method and apparatus for cooling film bubble of low strain hardening polymers
US4626397A (en) * 1984-10-29 1986-12-02 Union Camp Corporation Method for controlled orientation of extruded resins

Also Published As

Publication number Publication date
CA922063A1 (en)

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