ES229254U - Watertight capsule for soft drink bottles (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Watertight capsule for soft drink bottles, of the type in which they are obtained from a thin metal sheet of a general circular shape and, with the interposition of a cork seal with plastic wafer incorporated in its lower face and known per se, they are attached to the mouth of the bottle in question by sticking to the contour of the same sheet to the external rim of the mouthpiece by means of the appropriate closing machine, characterized said capsule because obliquely projecting its contour has been configured a tongue inclined to the left and downwards, equipped with several transversal grooves that give it a remarkable rigidity; having in the vertex of! angle that forms the contour of the capsule with said tongue a notch or angular recess that leads to a weakening line that, after ascending briefly, is oriented initially and in soft curvature toward the blunt edge that forms the capsule on the rim of the mouthpiece, all operatively arranged to pull the tongue and, beginning with that notch and line of initial weakening, cut the capsule according to a surrounding path, so that when the upper base of the capsule is separated from its lateral portion, the bottle will remain open. Question. (Machine-translation by Google Translate, not legally binding)