CA823031A - Sift-proof patch valve for plastic shipping bags - Google Patents

Sift-proof patch valve for plastic shipping bags

Info

Publication number
CA823031A
CA823031A CA823031A CA823031DA CA823031A CA 823031 A CA823031 A CA 823031A CA 823031 A CA823031 A CA 823031A CA 823031D A CA823031D A CA 823031DA CA 823031 A CA823031 A CA 823031A
Authority
CA
Canada
Prior art keywords
sift
shipping bags
plastic shipping
proof patch
patch 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
CA823031A
Inventor
J. Quackenbush John
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.)
Millennium Petrochemicals Inc
Original Assignee
National Destillers and Chemical Corp
Publication date
Application granted granted Critical
Publication of CA823031A publication Critical patent/CA823031A/en
Expired legal-status Critical Current

Links

CA823031A Sift-proof patch valve for plastic shipping bags Expired CA823031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA823031T

Publications (1)

Publication Number Publication Date
CA823031A true CA823031A (en) 1969-09-16

Family

ID=36300447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA823031A Expired CA823031A (en) Sift-proof patch valve for plastic shipping bags

Country Status (1)

Country Link
CA (1) CA823031A (en)

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