ES285649U - Plug for packaging (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Plug for packaging, of the one-piece mold type, constituted by a cylindrical body adapted to be fixed in the mouth of the container and provided with a closed upper base in which a small central hole is made provided with a short outlet pipe, in a direction coaxial to the cylindrical body, being articulated by two hinges at the edge of the upper base of the cylindrical body, an adjustable cover on said upper base, provided with an internal central coaxial stem, adapted to fit snugly into the mentioned short spout, in the closing position of the cover, and capable of adopting two extreme stable positions corresponding to those of opening and closing, thanks to an elastic action device, characterized in that said elastic action device is constituted by an elastic tongue, arranged vertically on a small flat step located between both hinges, and by a short rigid extension h downwardly of the peripheral skirt of the lid, disposed facing said tongue and adapted to act on the external face thereof during the opening or closing of the lid, so that in such circumstances said tongue is elastically inclined inwards and subject to the lid, by reaction, to a constant unstable equilibrium while not adopting one of the above-mentioned stable extreme positions, opening or closing. (Machine-translation by Google Translate, not legally binding)