CA1099467A - Methode et dispositif de faconnage de tubes faits de pellicule - Google Patents

Methode et dispositif de faconnage de tubes faits de pellicule

Info

Publication number
CA1099467A
CA1099467A CA298,045A CA298045A CA1099467A CA 1099467 A CA1099467 A CA 1099467A CA 298045 A CA298045 A CA 298045A CA 1099467 A CA1099467 A CA 1099467A
Authority
CA
Canada
Prior art keywords
section
stabilizing means
extrusion die
tubular film
upwardly
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
CA298,045A
Other languages
English (en)
Inventor
Fumio Imaizumi
Katsuyoshi 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 CA298,045A priority Critical patent/CA1099467A/fr
Application granted granted Critical
Publication of CA1099467A publication Critical patent/CA1099467A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA298,045A 1978-03-02 1978-03-02 Methode et dispositif de faconnage de tubes faits de pellicule Expired CA1099467A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA298,045A CA1099467A (fr) 1978-03-02 1978-03-02 Methode et dispositif de faconnage de tubes faits de pellicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298,045A CA1099467A (fr) 1978-03-02 1978-03-02 Methode et dispositif de faconnage de tubes faits de pellicule

Publications (1)

Publication Number Publication Date
CA1099467A true CA1099467A (fr) 1981-04-21

Family

ID=4110899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298,045A Expired CA1099467A (fr) 1978-03-02 1978-03-02 Methode et dispositif de faconnage de tubes faits de pellicule

Country Status (1)

Country Link
CA (1) CA1099467A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry