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Investig Drogas Y Aplicaciones S A
Original Assignee
Investig Drogas Y Aplicaciones S A
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Application filed by Investig Drogas Y Aplicaciones S AfiledCriticalInvestig Drogas Y Aplicaciones S A
Priority to ES109300UpriorityCriticalpatent/ES109300Y/en
Publication of ES109300UpublicationCriticalpatent/ES109300U/en
Application grantedgrantedCritical
Publication of ES109300YpublicationCriticalpatent/ES109300Y/en
Improved closure for bags characterized essentially by the fact of being constituted by two zones formed each of them by the outer side of the bag at the end of which the edge is folded in double fold so that it takes a stroke in s while the folds are compressed together of this edge and welded together by high-frequency welding that establishes four welding lines two of them that affect the outer surface free of dust that are the ones that effect the main sealing, establishing in the welding line itself three possible welding zones which together form the general welding band. (Machine-translation by Google Translate, not legally binding)
ES109300U1964-11-031964-11-03
A PERFECTED CLOSURE FOR BAGS.
ExpiredES109300Y
(en)
Procedure and device for the manufacture of valve bags with crossed fund of synthetic material (Machine-translation by Google Translate, not legally binding)