Perfected vessel closed hermetically by welding. (Machine-translation by Google Translate, not legally binding)

摘要

Improved container sealed hermetically by welding; constituted by a lower part that is made of an aluminum sheet coated inside of a layer of thermoplastic material and serves to house the product to be packaged, being provided with a folded flange and rolled to the outside carrying an aluminum foil lid coated on its lower part with a layer of thermoplastic material which is connected to the lower part of the container by hermetically sealed welding, characterized in that the edge of the cover protrudes from the rolled edge of the flange. (Machine-translation by Google Translate, not legally binding)