AU517520B2 - Extruding tubular film - Google Patents

Extruding tubular film

Info

Publication number
AU517520B2
AU517520B2 AU33757/78A AU3375778A AU517520B2 AU 517520 B2 AU517520 B2 AU 517520B2 AU 33757/78 A AU33757/78 A AU 33757/78A AU 3375778 A AU3375778 A AU 3375778A AU 517520 B2 AU517520 B2 AU 517520B2
Authority
AU
Australia
Prior art keywords
tubular film
extruding tubular
extruding
film
tubular
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
AU33757/78A
Other versions
AU3375778A (en
Inventor
K. Sc Imaizumi F Ushioda
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co 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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to AU33757/78A priority Critical patent/AU517520B2/en
Publication of AU3375778A publication Critical patent/AU3375778A/en
Application granted granted Critical
Publication of AU517520B2 publication Critical patent/AU517520B2/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
AU33757/78A 1978-03-02 1978-03-02 Extruding tubular film Expired AU517520B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU33757/78A AU517520B2 (en) 1978-03-02 1978-03-02 Extruding tubular film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU33757/78A AU517520B2 (en) 1978-03-02 1978-03-02 Extruding tubular film

Publications (2)

Publication Number Publication Date
AU3375778A AU3375778A (en) 1979-09-06
AU517520B2 true AU517520B2 (en) 1981-08-06

Family

ID=3721124

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33757/78A Expired AU517520B2 (en) 1978-03-02 1978-03-02 Extruding tubular film

Country Status (1)

Country Link
AU (1) AU517520B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU573371B2 (en) * 1984-08-15 1988-06-02 Imperial Chemical Industries Plc Blowing plastics film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU573371B2 (en) * 1984-08-15 1988-06-02 Imperial Chemical Industries Plc Blowing plastics film

Also Published As

Publication number Publication date
AU3375778A (en) 1979-09-06

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