EASILY OPENABLE CAN LID WITH EXCELLENT OPENABILITY AND METHOD OF FORMING SAME

摘要

An easily openable can lid with excellent openability, specifically, a can lid of metallic sheet having a resin film on at least one side surface thereof and comprising an outer peripheral flat portion and an inner peripheral flat portion with an opening guide line therebetween, and further an outer bead and an inner bead, respectively, on the outer peripheral flat portion and on the part of the inner peripheral flat portion opposite to the opening guide line, wherein the opening guide line has a cross sectional shape which becomes gently thinner starting with the thicknesses of the outer peripheral flat portion and the inner peripheral flat portion, respectively; and a method of forming the same.