ES157200U - Hermetic sealing plug (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Sealing cap, characterized in that it comprises a sealing capsule made of elastic material, preferably rubber and a similar synthetic one, from whose circular bottom, which is flat on both sides, a downwardly conical fin opens outwardly, configuring internally, in the concurrence of said fin with the bottom, a circular groove whose access diameter is precisely equal to or very little greater than that of the mouth of the container, which is uncovered, which capsule is introduced with faculty of displacement to smooth friction in longitudinal direction, in a rigid cap, preferably metallic, in which they are distinguished: a cylindrical upper part of internal diameter approximately equal to the external one of the bottom; of the obturator capsule and of height approximately equal to that of the conical fin of this same capsule, and a conical bottom part open to the outside destined to tightly surround the conical fin of the repeated obturator capsule, for which purpose it has slightly larger dimensions that it, which conical front part configures in its free circular edge a curved inwardly determined determinative of an internal groove of the cap that serves precisely as seat and retention to the circular free edge of the conical fin of the obturating capsule, highlighting, moreover, at the bottom of the cylindrical part of this cap, a wide through opening. (Machine-translation by Google Translate, not legally binding)