CA834115A - Method and apparatus for making helically ribbed tubing - Google Patents

Method and apparatus for making helically ribbed tubing

Info

Publication number
CA834115A
CA834115A CA834115A CA834115DA CA834115A CA 834115 A CA834115 A CA 834115A CA 834115 A CA834115 A CA 834115A CA 834115D A CA834115D A CA 834115DA CA 834115 A CA834115 A CA 834115A
Authority
CA
Canada
Prior art keywords
helically ribbed
ribbed tubing
making helically
making
tubing
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
CA834115A
Inventor
J. Perusse Norman
D. Cheever Wilbur
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.)
Wiremold Co
Original Assignee
Wiremold Co
Publication date
Application granted granted Critical
Publication of CA834115A publication Critical patent/CA834115A/en
Expired legal-status Critical Current

Links

CA834115A Method and apparatus for making helically ribbed tubing Expired CA834115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA834115T

Publications (1)

Publication Number Publication Date
CA834115A true CA834115A (en) 1970-02-10

Family

ID=36311570

Family Applications (1)

Application Number Title Priority Date Filing Date
CA834115A Expired CA834115A (en) Method and apparatus for making helically ribbed tubing

Country Status (1)

Country Link
CA (1) CA834115A (en)

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