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Individual
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Priority to ES0070914UpriorityCriticalpatent/ES70914Y/en
Publication of ES70914UpublicationCriticalpatent/ES70914U/en
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Publication of ES70914YpublicationCriticalpatent/ES70914Y/en
"PERFECT MOUTH FOR FLEXIBLE TUBULAR CONTAINERS", characterized in that an annular projection is provided at the edge of the stopper as well as at the lower part of the neck of the container, which serves as a retainer for a strip of elastic and flexible material , provided with reinforced perforations at its ends and which is inserted into both pieces, overcoming with its elasticity the obstacle of the projections. (Machine-translation by Google Translate, not legally binding)
ES0070914U1959-01-131959-01-13
Improved mouth for flexible tubular packaging
ExpiredES70914Y
(en)