CA628547A - Air ring for use in the manufacture of thermoplastic tubing - Google Patents

Air ring for use in the manufacture of thermoplastic tubing

Info

Publication number
CA628547A
CA628547A CA628547A CA628547DA CA628547A CA 628547 A CA628547 A CA 628547A CA 628547 A CA628547 A CA 628547A CA 628547D A CA628547D A CA 628547DA CA 628547 A CA628547 A CA 628547A
Authority
CA
Canada
Prior art keywords
manufacture
air ring
thermoplastic tubing
tubing
thermoplastic
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
CA628547A
Inventor
Doyle Robert
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
Publication date
Application granted granted Critical
Publication of CA628547A publication Critical patent/CA628547A/en
Expired legal-status Critical Current

Links

CA628547A Air ring for use in the manufacture of thermoplastic tubing Expired CA628547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA628547T

Publications (1)

Publication Number Publication Date
CA628547A true CA628547A (en) 1961-10-03

Family

ID=35884677

Family Applications (1)

Application Number Title Priority Date Filing Date
CA628547A Expired CA628547A (en) Air ring for use in the manufacture of thermoplastic tubing

Country Status (1)

Country Link
CA (1) CA628547A (en)

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