CA544521A - Film stretching mandrels with cooling chambers - Google Patents

Film stretching mandrels with cooling chambers

Info

Publication number
CA544521A
CA544521A CA544521A CA544521DA CA544521A CA 544521 A CA544521 A CA 544521A CA 544521 A CA544521 A CA 544521A CA 544521D A CA544521D A CA 544521DA CA 544521 A CA544521 A CA 544521A
Authority
CA
Canada
Prior art keywords
cooling chambers
film stretching
mandrels
stretching mandrels
film
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
CA544521A
Other languages
French (fr)
Inventor
O. Longstreth Murrey
W. Ryan Daniel
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 CA544521A publication Critical patent/CA544521A/en
Expired legal-status Critical Current

Links

CA544521A Film stretching mandrels with cooling chambers Expired CA544521A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA544521T

Publications (1)

Publication Number Publication Date
CA544521A true CA544521A (en) 1957-08-06

Family

ID=35701693

Family Applications (1)

Application Number Title Priority Date Filing Date
CA544521A Expired CA544521A (en) Film stretching mandrels with cooling chambers

Country Status (1)

Country Link
CA (1) CA544521A (en)

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