CA817629A - Method and apparatus for forming tubes - Google Patents

Method and apparatus for forming tubes

Info

Publication number
CA817629A
CA817629A CA817629A CA817629DA CA817629A CA 817629 A CA817629 A CA 817629A CA 817629 A CA817629 A CA 817629A CA 817629D A CA817629D A CA 817629DA CA 817629 A CA817629 A CA 817629A
Authority
CA
Canada
Prior art keywords
forming tubes
tubes
forming
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
CA817629A
Inventor
P. Gillis Robert
M. Quint Stephen
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.)
Johns Manville Corp
Original Assignee
Johns Manville Corp
Publication date
Application granted granted Critical
Publication of CA817629A publication Critical patent/CA817629A/en
Expired legal-status Critical Current

Links

CA817629A Method and apparatus for forming tubes Expired CA817629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA817629T

Publications (1)

Publication Number Publication Date
CA817629A true CA817629A (en) 1969-07-15

Family

ID=36290169

Family Applications (1)

Application Number Title Priority Date Filing Date
CA817629A Expired CA817629A (en) Method and apparatus for forming tubes

Country Status (1)

Country Link
CA (1) CA817629A (en)

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