CA989678A - Method and apparatus for making corrugated pipe - Google Patents

Method and apparatus for making corrugated pipe

Info

Publication number
CA989678A
CA989678A CA163,497A CA163497A CA989678A CA 989678 A CA989678 A CA 989678A CA 163497 A CA163497 A CA 163497A CA 989678 A CA989678 A CA 989678A
Authority
CA
Canada
Prior art keywords
corrugated pipe
making corrugated
making
pipe
corrugated
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
CA163,497A
Other versions
CA163497S (en
Inventor
Howard G. Pratt
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
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
Application filed by Individual filed Critical Individual
Priority to CA163,497A priority Critical patent/CA989678A/en
Application granted granted Critical
Publication of CA989678A publication Critical patent/CA989678A/en
Expired legal-status Critical Current

Links

CA163,497A 1973-02-12 1973-02-12 Method and apparatus for making corrugated pipe Expired CA989678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA163,497A CA989678A (en) 1973-02-12 1973-02-12 Method and apparatus for making corrugated pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA163,497A CA989678A (en) 1973-02-12 1973-02-12 Method and apparatus for making corrugated pipe

Publications (1)

Publication Number Publication Date
CA989678A true CA989678A (en) 1976-05-25

Family

ID=4095808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,497A Expired CA989678A (en) 1973-02-12 1973-02-12 Method and apparatus for making corrugated pipe

Country Status (1)

Country Link
CA (1) CA989678A (en)

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