Method and Cam for Folding a Seal Removal Tab on a collapsible Tube

摘要

The present invention is for a method and cam for folding a tab for removing a seal that has been affixed to a collapsible tube in accordance with the method shown in U.S. Pat. No. 4,938,818. A laminate removal tab is cut integral with the seal when the seal is cut, as disclosed in U.S. Pat. No. 5,209,795 and then, in accordance with the present invention, bent back over the neck after the seal is welded to the tube mouth, by means of a cam. The tab is easily lifted and grasped by the fingers to pull the seal off the mouth.