Process for securing a head to a container

Claim 1

The process for securing the head of a metallic container to the end of a continuous side wall for the container comprising the steps of: a. forming a peripheral groove in said head of a size to receive said end of said continuous side wall, b. inserting said end of said continuous side wall into said groove, c. moving at least one side of said groove toward said end of said continuous side wall so that said end is clamped between the adjacent sides of said groove, d. bending said end of said continuous side wall and the adjacent sides of said groove concomitantly and laterally as a unit a distance to cold form the metal of said end of said side wall and said sides of said groove whereby it remains in a set position, e. applying a continuous weld around said peripheral groove to weld said end of said continuous side wall to at least one side of said groove, and f. forming said continuous side wall by cutting the side wall of a used container parallel to and adjacent the head therefor so that upon securing the head to said end of said continuous side wall to form a finished container the volume of said finished container is the same as the volume of said used container.