CA626216A - Trapped bubble process for making thermoplastic film, the film obtained thereby and accessory apparatus for use therein - Google Patents

Trapped bubble process for making thermoplastic film, the film obtained thereby and accessory apparatus for use therein

Info

Publication number
CA626216A
CA626216A CA626216A CA626216DA CA626216A CA 626216 A CA626216 A CA 626216A CA 626216 A CA626216 A CA 626216A CA 626216D A CA626216D A CA 626216DA CA 626216 A CA626216 A CA 626216A
Authority
CA
Canada
Prior art keywords
film
accessory apparatus
bubble process
making thermoplastic
trapped bubble
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
CA626216A
Inventor
G. Ahlich Harold
R. R. Park William
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Publication date
Application granted granted Critical
Publication of CA626216A publication Critical patent/CA626216A/en
Expired legal-status Critical Current

Links

CA626216A Trapped bubble process for making thermoplastic film, the film obtained thereby and accessory apparatus for use therein Expired CA626216A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA626216T

Publications (1)

Publication Number Publication Date
CA626216A true CA626216A (en) 1961-08-22

Family

ID=35881390

Family Applications (1)

Application Number Title Priority Date Filing Date
CA626216A Expired CA626216A (en) Trapped bubble process for making thermoplastic film, the film obtained thereby and accessory apparatus for use therein

Country Status (1)

Country Link
CA (1) CA626216A (en)

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