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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES90683UpriorityCriticalpatent/ES90683Y/en
Publication of ES90683UpublicationCriticalpatent/ES90683U/en
Application grantedgrantedCritical
Publication of ES90683YpublicationCriticalpatent/ES90683Y/en
New sack, characterized by the fact that it consists of a body composed of two sacks, one larger than the other, made of flexible plastic material, electronically self-welding, one of them being the smaller one, inserted inside the larger one and joined together by an electronic self-welding that they have practiced in their funds, while the rest of the two bags are in complete independence from each other. (Machine-translation by Google Translate, not legally binding)
Improvements in the methods of manufacturing bags and bags of plastic material, with valve for filling (Machine-translation by Google Translate, not legally binding)