resealable beverage containers include caps that are twisted to impart translational motion of the cap to push a tear panel into the container . cam elements are used to convert rotational movement to translational movement . the caps are preferably made of molded plastic material , and include cam elements formed on the sidewalls of the caps that engage cam followers or projections formed on the inner cylindrical surface of a socket which is formed in the lid of the beverage container . methods of manufacturing resealable beverage containers avoid the need to form rivets and to attach pull tabs , thus saving costs and making the beverage containers more easily recycled .