ES249462U - Closure device for plastic bottles (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Closing device for plastic bottles, of the type comprising a stopper of flexible plastic material, provided with an end skirt and an internal skirt, as well as a central spout, whose end point must be cut to produce a outlet orifice of the product contained in the bottle, characterized in that the upper part of said cap is provided with a flat, substantially horizontal circular crown, from whose outer edge the inner skirt also adapted downwards juxtaposed to the inner face of the neck of the bottle, said flat circular crown being provided with an internal face, also flat, adapted to settle firmly on the flat upper edge of the mouth of the bottle, in order to constitute a broad flat sealing surface and the skirt being provided of an essentially straight cylindrical configuration, whose face adjacent to the inside of the neck is adapted to support it firmly rests on a large internal annular rib arranged in the internal upper part of the neck of the bottle, thus constituting an annular strip of hermeticity, and from the lower edge of said inner skirt a conical central portion at whose apex protrudes the cuttable spout. (Machine-translation by Google Translate, not legally binding)