CA2170769C - Sacs et procedes de fabrication de sacs
- Google Patents
Sacs et procedes de fabrication de sacs
Download PDF
Info
Publication number
CA2170769C
CA2170769CCA002170769ACA2170769ACA2170769CCA 2170769 CCA2170769 CCA 2170769CCA 002170769 ACA002170769 ACA 002170769ACA 2170769 ACA2170769 ACA 2170769ACA 2170769 CCA2170769 CCA 2170769C
Authority
CA
Canada
Prior art keywords
web
webs
bags
bag
weakness
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.)
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.)
Automated Packaging Systems Inc
Original Assignee
Automated Packaging Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/133,639external-prioritypatent/US5417639A/en
Application filed by Automated Packaging Systems IncfiledCriticalAutomated Packaging Systems Inc
Publication of CA2170769A1publicationCriticalpatent/CA2170769A1/fr
Application grantedgrantedCritical
Publication of CA2170769CpublicationCriticalpatent/CA2170769C/fr