Patent ID: 8336723
Filing Date: 2012-12-25
Classification: B65D

Abstract:
1. A stopper which engages a neck of a container, comprising: a circular bottom section which seals the container opening; a head section which rises above the container and encompasses a slide that extends through the center of the head section, a rim of the head section having a maximum diameter that does not exceed the external diameter of the container on the container opening, wherein the slide can be pushed against the force of a spring device in one direction over the rim of the container and, when released, returns to its retracted initial position as a result of the spring force, said slide including a first circumferential section and an opposing second circumferential section, said first circumferential section forming an outer surface for receiving a first applied force for advancing the slide in a first direction and causing said second circumferential section to protrude outwardly from said head section, said second circumferential section configured to receive a second different applied force to advance said second circumferential section in a second direction for removing the stopper from the container.