CA438025A - Appareil a refoulage de pellicule - Google Patents

Appareil a refoulage de pellicule

Info

Publication number
CA438025A
CA438025A CA438025A CA438025DA CA438025A CA 438025 A CA438025 A CA 438025A CA 438025 A CA438025 A CA 438025A CA 438025D A CA438025D A CA 438025DA CA 438025 A CA438025 A CA 438025A
Authority
CA
Canada
Prior art keywords
extrusion apparatus
film extrusion
film
extrusion
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
CA438025A
Other languages
English (en)
Inventor
Edward Coleman Clarence
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
Publication date
Application granted granted Critical
Publication of CA438025A publication Critical patent/CA438025A/fr
Expired legal-status Critical Current

Links

CA438025A Appareil a refoulage de pellicule Expired CA438025A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA438025T

Publications (1)

Publication Number Publication Date
CA438025A true CA438025A (fr) 1946-11-19

Family

ID=35553260

Family Applications (1)

Application Number Title Priority Date Filing Date
CA438025A Expired CA438025A (fr) Appareil a refoulage de pellicule

Country Status (1)

Country Link
CA (1) CA438025A (fr)

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