CA875636A - Method and apparatus for the production of double-walled pipes - Google Patents

Method and apparatus for the production of double-walled pipes

Info

Publication number
CA875636A
CA875636A CA875636A CA875636DA CA875636A CA 875636 A CA875636 A CA 875636A CA 875636 A CA875636 A CA 875636A CA 875636D A CA875636D A CA 875636DA CA 875636 A CA875636 A CA 875636A
Authority
CA
Canada
Prior art keywords
double
production
walled pipes
walled
pipes
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
CA875636A
Inventor
Hegler Wilhelm
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
Publication date
Application granted granted Critical
Publication of CA875636A publication Critical patent/CA875636A/en
Expired legal-status Critical Current

Links

CA875636A Method and apparatus for the production of double-walled pipes Expired CA875636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA875636T

Publications (1)

Publication Number Publication Date
CA875636A true CA875636A (en) 1971-07-13

Family

ID=36361543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA875636A Expired CA875636A (en) Method and apparatus for the production of double-walled pipes

Country Status (1)

Country Link
CA (1) CA875636A (en)

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