CA977916A - Process and apparatus for forming tubular thermoplastic film - Google Patents

Process and apparatus for forming tubular thermoplastic film

Info

Publication number
CA977916A
CA977916A CA195,020A CA195020A CA977916A CA 977916 A CA977916 A CA 977916A CA 195020 A CA195020 A CA 195020A CA 977916 A CA977916 A CA 977916A
Authority
CA
Canada
Prior art keywords
thermoplastic film
forming tubular
tubular thermoplastic
forming
film
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
CA195,020A
Inventor
Howard C. North
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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
Priority claimed from CA091,526A external-priority patent/CA959616A/en
Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Priority to CA195,020A priority Critical patent/CA977916A/en
Application granted granted Critical
Publication of CA977916A publication Critical patent/CA977916A/en
Expired legal-status Critical Current

Links

CA195,020A 1969-08-27 1974-03-14 Process and apparatus for forming tubular thermoplastic film Expired CA977916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA195,020A CA977916A (en) 1969-08-27 1974-03-14 Process and apparatus for forming tubular thermoplastic film

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85338169A 1969-08-27 1969-08-27
CA091,526A CA959616A (en) 1969-08-27 1970-08-25 Process and apparatus for forming tubular thermoplastic film
CA195,020A CA977916A (en) 1969-08-27 1974-03-14 Process and apparatus for forming tubular thermoplastic film

Publications (1)

Publication Number Publication Date
CA977916A true CA977916A (en) 1975-11-18

Family

ID=27160774

Family Applications (1)

Application Number Title Priority Date Filing Date
CA195,020A Expired CA977916A (en) 1969-08-27 1974-03-14 Process and apparatus for forming tubular thermoplastic film

Country Status (1)

Country Link
CA (1) CA977916A (en)

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