CA811980A - Method and apparatus for forming spiral pipe - Google Patents

Method and apparatus for forming spiral pipe

Info

Publication number
CA811980A
CA811980A CA811980A CA811980DA CA811980A CA 811980 A CA811980 A CA 811980A CA 811980 A CA811980 A CA 811980A CA 811980D A CA811980D A CA 811980DA CA 811980 A CA811980 A CA 811980A
Authority
CA
Canada
Prior art keywords
spiral pipe
forming spiral
forming
pipe
spiral
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
CA811980A
Inventor
E. Fay James
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA811980A publication Critical patent/CA811980A/en
Expired legal-status Critical Current

Links

CA811980A Method and apparatus for forming spiral pipe Expired CA811980A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA811980T

Publications (1)

Publication Number Publication Date
CA811980A true CA811980A (en) 1969-05-06

Family

ID=36282505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA811980A Expired CA811980A (en) Method and apparatus for forming spiral pipe

Country Status (1)

Country Link
CA (1) CA811980A (en)

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