CA548990A - Tubular film stretcher - Google Patents

Tubular film stretcher

Info

Publication number
CA548990A
CA548990A CA548990A CA548990DA CA548990A CA 548990 A CA548990 A CA 548990A CA 548990 A CA548990 A CA 548990A CA 548990D A CA548990D A CA 548990DA CA 548990 A CA548990 A CA 548990A
Authority
CA
Canada
Prior art keywords
tubular film
film stretcher
stretcher
tubular
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
CA548990A
Other languages
French (fr)
Inventor
Robert A. Covington, Jr.
H. Waldin Vincent
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Publication date
Application granted granted Critical
Publication of CA548990A publication Critical patent/CA548990A/en
Expired legal-status Critical Current

Links

CA548990A Tubular film stretcher Expired CA548990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA548990T

Publications (1)

Publication Number Publication Date
CA548990A true CA548990A (en) 1957-11-19

Family

ID=35710363

Family Applications (1)

Application Number Title Priority Date Filing Date
CA548990A Expired CA548990A (en) Tubular film stretcher

Country Status (1)

Country Link
CA (1) CA548990A (en)

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