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
extrusion process
extrusion
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.)
Industries Leco Inc
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
Application granted granted Critical
Publication of CA922063A publication Critical patent/CA922063A/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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
CA922063A 1969-03-20 1969-03-20 Extrusion process and apparatus Expired CA922063A (en)

Applications Claiming Priority (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 TUBULAR EXTRUSION-BLOWING DEVICE
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 TUBULAR EXTRUSION-BLOWING DEVICE
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

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