CA944624A - Method and apparatus for controlling the diameter of spiral pipe - Google Patents

Method and apparatus for controlling the diameter of spiral pipe

Info

Publication number
CA944624A
CA944624A CA074,841A CA74841A CA944624A CA 944624 A CA944624 A CA 944624A CA 74841 A CA74841 A CA 74841A CA 944624 A CA944624 A CA 944624A
Authority
CA
Canada
Prior art keywords
controlling
diameter
spiral pipe
spiral
pipe
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
CA074,841A
Other versions
CA74841S (en
Inventor
Andrew H. Hutton
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.)
Armco Inc
Original Assignee
Armco Inc
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 Armco Inc filed Critical Armco Inc
Priority to CA074,841A priority Critical patent/CA944624A/en
Application granted granted Critical
Publication of CA944624A publication Critical patent/CA944624A/en
Expired legal-status Critical Current

Links

CA074,841A 1970-02-13 1970-02-13 Method and apparatus for controlling the diameter of spiral pipe Expired CA944624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA074,841A CA944624A (en) 1970-02-13 1970-02-13 Method and apparatus for controlling the diameter of spiral pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA074,841A CA944624A (en) 1970-02-13 1970-02-13 Method and apparatus for controlling the diameter of spiral pipe

Publications (1)

Publication Number Publication Date
CA944624A true CA944624A (en) 1974-04-02

Family

ID=4086336

Family Applications (1)

Application Number Title Priority Date Filing Date
CA074,841A Expired CA944624A (en) 1970-02-13 1970-02-13 Method and apparatus for controlling the diameter of spiral pipe

Country Status (1)

Country Link
CA (1) CA944624A (en)

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