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AU109536B2 - Machine for forming and welding helical joint metal pipes - Google Patents

Machine for forming and welding helical joint metal pipes

Info

Publication number
AU109536B2
AU109536B2 AU425/39A AU42539A AU109536B2 AU 109536 B2 AU109536 B2 AU 109536B2 AU 425/39 A AU425/39 A AU 425/39A AU 42539 A AU42539 A AU 42539A AU 109536 B2 AU109536 B2 AU 109536B2
Authority
AU
Australia
Prior art keywords
machine
forming
metal pipes
joint metal
helical joint
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
AU425/39A
Other versions
AU42539A (en
Inventor
Williams Ralph
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU42539A publication Critical patent/AU42539A/en
Publication of AU109536B2 publication Critical patent/AU109536B2/en
Expired legal-status Critical Current

Links

AU425/39A 1939-02-02 Machine for forming and welding helical joint metal pipes Expired AU109536B2 (en)

Publications (2)

Publication Number Publication Date
AU42539A AU42539A (en) 1940-01-25
AU109536B2 true AU109536B2 (en) 1940-01-25

Family

ID=

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