Abstract: This invention is a method for the manufacture of a container made of moldable material having at least one side wall, a base and a filling opening, characterized by the fact that said container is manufactured by molding, and by the fact that at least one of its side walls comprises, near said filling opening, first means forming a hinge and second means forming a hinge located at some distance from said first means forming a hinge and making it possible to pivot a part of said side wall, thereby creating a triple wall, as well as to the containers that can be obtained by using said method.