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 IT69296/77Aexternal-prioritypatent/IT1091196B/en
Application filed by Ferrero SpafiledCriticalFerrero Spa
Publication of DK141086D0publicationCriticalpatent/DK141086D0/en
Publication of DK141086ApublicationCriticalpatent/DK141086A/en
Publication of DK159359BpublicationCriticalpatent/DK159359B/en
Application grantedgrantedCritical
Publication of DK159359CpublicationCriticalpatent/DK159359C/en
SEALED THEN OR CONTAIN PROCEDURE APPARATUS AND PREFABRICATED CLOSE ELEMENT FOR SEALING THE CONTAINER AND PROCEDURE AND APPLIANCE FOR CREATING A WEAK ZONE IN THE CLOSING ELEMENT