Easy opening container lid

An easy-opening container lid, comprising a container lid body made of a thin plate and having a tear portion which consists of an annular, cross-sectionally U-shaped or rectangular groove formed by deep drawing, the bottom wall of which is folded in three layers and caulked, and which is provided with a score on the outer surface of the folded bottom wall;

• and a tear member having a double-layer side wall also constituting an inner wall of said annular groove, which inner wall thereby forms an annular, uprightly extending double-layer flange, and a recess in the central portion of said tear member, said container lid being characterized in that a tear end of said tear portion and a tear end of said tear member which are left on a container body after said container lid has been broken along said score by inserting a small, hard piece into said annular groove and inclining the same to press the inner wall thereof are assured with respect to the safety thereof.