Self-opening crown cap

An easy-opening crown cap for closing the open end of bottles and the like, wherein the crown cap is of the type having a substantially flat top and a depending annular skirt of crimped configuration having alternate raised and depressed portions, a downwardly and outwardly inclined tongue on the cap projecting below a bottom edge portion of the skirt, said tongue having a plurality of longitudinally extending reinforcing ribs of a length slightly greater than the crimps in the skirt, and a lower end edge portion of the tongue being warped to reinforce the tongue, said cap having a pair of circumferentially spaced apart notches extending upwardly from a lower edge of the skirt in registry with opposite edges of the tongue, and a pair of weakened score lines extending upwardly from the notches across the skirt and across the flat top of the cap a distance greater than the radius of the cap but less than the diameter thereof, whereby the tongue may be grasped by hand and lifted to fracture the score lines and remove the cap from the bottle and the like.