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Individual
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Individual
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Priority to ES87387UpriorityCriticalpatent/ES87387Y/en
Publication of ES87387UpublicationCriticalpatent/ES87387U/en
Application grantedgrantedCritical
Publication of ES87387YpublicationCriticalpatent/ES87387Y/en
"SIMPLIFIED PLUG FOR THERMAL BOTTLES", which is characterized by externally presents its cylindrical body, flexible material, a series of peripheral protrusions that, from the top are two equal, beveled in descending plane of about 45º, to the that follows a throat and, after it, a vertical plane from which another projection arises that, flat on the upper part, forms a concavity when joining the flange that forms the base, which internally is in a truncated cone shape, until the entrance to the interior, of small diameter and that already in this widens in cylindrical form, thus forming a hermetic closure of easy placement and removal. (Machine-translation by Google Translate, not legally binding)
ES87387U1961-05-261961-05-26
Simplified cap for thermal bottles
ExpiredES87387Y
(en)