CA645606A - Flat valve bag - Google Patents

Flat valve bag

Info

Publication number
CA645606A
CA645606A CA645606A CA645606DA CA645606A CA 645606 A CA645606 A CA 645606A CA 645606 A CA645606 A CA 645606A CA 645606D A CA645606D A CA 645606DA CA 645606 A CA645606 A CA 645606A
Authority
CA
Canada
Prior art keywords
flat valve
valve bag
bag
flat
valve
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
CA645606A
Inventor
J. Tomson Richard
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
Publication date
Application granted granted Critical
Publication of CA645606A publication Critical patent/CA645606A/en
Expired legal-status Critical Current

Links

CA645606A Flat valve bag Expired CA645606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA645606T

Publications (1)

Publication Number Publication Date
CA645606A true CA645606A (en) 1962-07-24

Family

ID=35934260

Family Applications (1)

Application Number Title Priority Date Filing Date
CA645606A Expired CA645606A (en) Flat valve bag

Country Status (1)

Country Link
CA (1) CA645606A (en)

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