CA955908A - Concrete or like pipes - Google Patents

Concrete or like pipes

Info

Publication number
CA955908A
CA955908A CA194,806A CA194806A CA955908A CA 955908 A CA955908 A CA 955908A CA 194806 A CA194806 A CA 194806A CA 955908 A CA955908 A CA 955908A
Authority
CA
Canada
Prior art keywords
pipes
concrete
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
CA194,806A
Other versions
CA194806S (en
Inventor
Malcolm D. Hickman
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.)
Rocla Concrete Pipes Ltd
Original Assignee
Rocla Concrete Pipes Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA121,657A external-priority patent/CA952886A/en
Application filed by Rocla Concrete Pipes Ltd filed Critical Rocla Concrete Pipes Ltd
Priority to CA194,806A priority Critical patent/CA955908A/en
Application granted granted Critical
Publication of CA955908A publication Critical patent/CA955908A/en
Expired legal-status Critical Current

Links

CA194,806A 1971-08-30 1974-03-12 Concrete or like pipes Expired CA955908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA194,806A CA955908A (en) 1971-08-30 1974-03-12 Concrete or like pipes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA121,657A CA952886A (en) 1971-08-30 1971-08-30 Apparatus for forming a pre-stressed winding on a concrete or like pipe
CA194,806A CA955908A (en) 1971-08-30 1974-03-12 Concrete or like pipes

Publications (1)

Publication Number Publication Date
CA955908A true CA955908A (en) 1974-10-08

Family

ID=25666893

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,806A Expired CA955908A (en) 1971-08-30 1974-03-12 Concrete or like pipes

Country Status (1)

Country Link
CA (1) CA955908A (en)

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