CA386950A - Appareil a fabriquer des tuyaux en spirale - Google Patents

Appareil a fabriquer des tuyaux en spirale

Info

Publication number
CA386950A
CA386950A CA386950A CA386950DA CA386950A CA 386950 A CA386950 A CA 386950A CA 386950 A CA386950 A CA 386950A CA 386950D A CA386950D A CA 386950DA CA 386950 A CA386950 A CA 386950A
Authority
CA
Canada
Prior art keywords
manufacturing apparatus
spiral pipe
pipe manufacturing
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
CA386950A
Other languages
English (en)
Inventor
W. Force Harold
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.)
American Rolling Mill Co
Original Assignee
American Rolling Mill Co
Publication date
Application granted granted Critical
Publication of CA386950A publication Critical patent/CA386950A/fr
Expired legal-status Critical Current

Links

CA386950A Appareil a fabriquer des tuyaux en spirale Expired CA386950A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA386950T

Publications (1)

Publication Number Publication Date
CA386950A true CA386950A (fr) 1940-02-20

Family

ID=35392165

Family Applications (1)

Application Number Title Priority Date Filing Date
CA386950A Expired CA386950A (fr) Appareil a fabriquer des tuyaux en spirale

Country Status (1)

Country Link
CA (1) CA386950A (fr)

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