CA1284969C - Sacs thermoplastiques, sacs groupes, et leur fabrication
- Google Patents
Sacs thermoplastiques, sacs groupes, et leur fabrication
Info
Publication number
CA1284969C
CA1284969CCA000495564ACA495564ACA1284969CCA 1284969 CCA1284969 CCA 1284969CCA 000495564 ACA000495564 ACA 000495564ACA 495564 ACA495564 ACA 495564ACA 1284969 CCA1284969 CCA 1284969C
Authority
CA
Canada
Prior art keywords
bag
bags
pack
heat
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.)
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 US06/672,756external-prioritypatent/US4562925A/en
Priority claimed from US06/675,109external-prioritypatent/US4790437A/en
Application filed by Mobil Oil CorpfiledCriticalMobil Oil Corp
Application grantedgrantedCritical
Publication of CA1284969CpublicationCriticalpatent/CA1284969C/fr