CA1004162A - Pipeline closure and method - Google Patents

Pipeline closure and method

Info

Publication number
CA1004162A
CA1004162A CA207,652A CA207652A CA1004162A CA 1004162 A CA1004162 A CA 1004162A CA 207652 A CA207652 A CA 207652A CA 1004162 A CA1004162 A CA 1004162A
Authority
CA
Canada
Prior art keywords
pipeline closure
closure
pipeline
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
CA207,652A
Other versions
CA207652S (en
Inventor
George A. Blazek
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.)
Advance Valve Installations Inc
Original Assignee
Advance Valve Installations Inc
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 US396509A external-priority patent/US3923082A/en
Application filed by Advance Valve Installations Inc filed Critical Advance Valve Installations Inc
Application granted granted Critical
Publication of CA1004162A publication Critical patent/CA1004162A/en
Expired legal-status Critical Current

Links

CA207,652A 1973-09-12 1974-08-23 Pipeline closure and method Expired CA1004162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US396509A US3923082A (en) 1972-04-10 1973-09-12 Pipeline closure and method

Publications (1)

Publication Number Publication Date
CA1004162A true CA1004162A (en) 1977-01-25

Family

ID=23567479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207,652A Expired CA1004162A (en) 1973-09-12 1974-08-23 Pipeline closure and method

Country Status (1)

Country Link
CA (1) CA1004162A (en)

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