CA612171A - Blockbottom multi-ply paper valve bags or sacks - Google Patents

Blockbottom multi-ply paper valve bags or sacks

Info

Publication number
CA612171A
CA612171A CA612171A CA612171DA CA612171A CA 612171 A CA612171 A CA 612171A CA 612171 A CA612171 A CA 612171A CA 612171D A CA612171D A CA 612171DA CA 612171 A CA612171 A CA 612171A
Authority
CA
Canada
Prior art keywords
blockbottom
sacks
ply paper
valve bags
paper 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
CA612171A
Inventor
R. Duffin Earle
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.)
Bowaters Development and Research Ltd
Original Assignee
Bowaters Development and Research Ltd
Publication date
Application granted granted Critical
Publication of CA612171A publication Critical patent/CA612171A/en
Expired legal-status Critical Current

Links

CA612171A Blockbottom multi-ply paper valve bags or sacks Expired CA612171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA612171T

Publications (1)

Publication Number Publication Date
CA612171A true CA612171A (en) 1961-01-10

Family

ID=35854492

Family Applications (1)

Application Number Title Priority Date Filing Date
CA612171A Expired CA612171A (en) Blockbottom multi-ply paper valve bags or sacks

Country Status (1)

Country Link
CA (1) CA612171A (en)

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