Patent ID: 8061544

Claim:
A crown cap for a bottle opening, the crown cap comprising: a crown cap body comprising: a top portion having a center, an uppermost portion, and a pull tab ring seat; a skirt surrounding the top portion, the skirt having angels, wherein the angels terminate at a lower edge defined in a first horizontal plane; an opener assembly comprising: a pull tab having a tab portion and a ring extending from the tab portion, the pull tab ring is disposed in the pull tab ring seat and is substantially flush with the uppermost portion of the crown; a rivet securing the pull tab to the top portion of the crown; a first scoring line extending from the center of the top to the lower edge of the skirt in a continuous radial direction; and a second scoring line comprising: an upper radial segment extending from the center of the top portion to the skirt along a radial axis; and, a lower annular segment extending circumferentially along the skirt in an annular direction and extending from a terminus of the upper radial segment, the lower annular segment defined in a second horizontal plane parallel to the first horizontal plane associated with the lower edge of the skirt, the lower annular segment maintaining throughout a substantially constant vertical distance between the lower annular segment and the lower edge of the skirt.