Cap for Containers with Improved Sealing

Abstract

A cap for containers, comprising a cylindrical body comprising a cylindrical skirt and a rib on the inner face thereof, where the cylindrical skirt and the rib are sized for contacting the inner face of the neck of the container and creating at least two sealing areas.

What is claimed is: 
     
         1 . Cap for containers, comprising a cylindrical body which comprises a cylindrical skirt and a rib on the inner face thereof, where the cylindrical skirt and the rib are sized for contacting the inner face of the neck of a container and creating at least two sealing areas. 
     
     
         2 . Cap for containers according to  claim 1 , wherein the rib has a cylindrical shape providing a continuous perimetral relief. 
     
     
         3 . Cap for containers according to  claim 2 , wherein the rib has an outer perimeter larger than the outer perimeter of the cylindrical skirt. 
     
     
         4 . Cap for containers according to  claim 3 , wherein the width of the cylindrical skirt, according to the axial axis of the cap, is greater than that of the rib. 
     
     
         5 . Cap for containers according to  claim 1 , wherein the cylindrical skirt comprises a protuberance on the lower edge of its outer face for contacting the neck of the container. 
     
     
         6 . Cap for containers according to further comprising an upper base, where the inner face of the upper base comprises a first and second attachment point, from which the cylindrical skirt and the rib project, respectively. 
     
     
         7 . Cap for containers, according to  claim 1 , wherein the rib is arranged on the outer face of the cylindrical skirt. 
     
     
         8 . Cap for containers according to  claim 1 , wherein the cylindrical body is formed by the articulated attachment of two superimposed parts, a lower part and an upper part. 
     
     
         9 . Cap for containers according to  claim 8 , wherein the lower portion is provided with gripping means for the retention thereof on the neck of the container and the upper portion is provided with the cylindrical skirt and the rib.