CA816602A - Extrusion method and apparatus for the extrusion of rectangular tubes of thermoplastic sheet - Google Patents

Extrusion method and apparatus for the extrusion of rectangular tubes of thermoplastic sheet

Info

Publication number
CA816602A
CA816602A CA816602A CA816602DA CA816602A CA 816602 A CA816602 A CA 816602A CA 816602 A CA816602 A CA 816602A CA 816602D A CA816602D A CA 816602DA CA 816602 A CA816602 A CA 816602A
Authority
CA
Canada
Prior art keywords
extrusion
thermoplastic sheet
rectangular tubes
extrusion method
tubes
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
CA816602A
Inventor
J. Quackenbush John
O. Corbett Herbert
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.)
Millennium Petrochemicals Inc
Original Assignee
National Destillers and Chemical Corp
Publication date
Application granted granted Critical
Publication of CA816602A publication Critical patent/CA816602A/en
Expired legal-status Critical Current

Links

CA816602A Extrusion method and apparatus for the extrusion of rectangular tubes of thermoplastic sheet Expired CA816602A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA816602T

Publications (1)

Publication Number Publication Date
CA816602A true CA816602A (en) 1969-07-01

Family

ID=36289134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA816602A Expired CA816602A (en) Extrusion method and apparatus for the extrusion of rectangular tubes of thermoplastic sheet

Country Status (1)

Country Link
CA (1) CA816602A (en)

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