CA643974A - Spiral tube forming apparatus - Google Patents

Spiral tube forming apparatus

Info

Publication number
CA643974A
CA643974A CA643974A CA643974DA CA643974A CA 643974 A CA643974 A CA 643974A CA 643974 A CA643974 A CA 643974A CA 643974D A CA643974D A CA 643974DA CA 643974 A CA643974 A CA 643974A
Authority
CA
Canada
Prior art keywords
forming apparatus
spiral tube
tube forming
spiral
tube
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
CA643974A
Inventor
C. Stuart Thomas
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.)
DOMINION WELDING ENGINEERING Co Ltd
Original Assignee
DOMINION WELDING ENGINEERING Co Ltd
Publication date
Application granted granted Critical
Publication of CA643974A publication Critical patent/CA643974A/en
Expired legal-status Critical Current

Links

CA643974A Spiral tube forming apparatus Expired CA643974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA643974T

Publications (1)

Publication Number Publication Date
CA643974A true CA643974A (en) 1962-07-03

Family

ID=35922507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA643974A Expired CA643974A (en) Spiral tube forming apparatus

Country Status (1)

Country Link
CA (1) CA643974A (en)

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