Patent ID: 9573735
Date: 2017-02-21
CPC Classifications: B65D

Claim:
1. A crown cap, configured based on a sheet with a circular body perimetrally presenting, after being adjusted to the rim of the mouth of a bottle, a plurality of folds, wherein the sheet comprises an extension that extends from the circular body and comprises: a first transverse folding line to determine a folded arm with two sections, an upper, external, or front section that extends from the circular body followed by a lower, internal, or rear section, located between the external or front section and the bottle; and a continuous cut on the external or front section of the extension that determines a flap with an inverted U-shaped surface, the continuous cut allowing the flap to bend out of a plane of the external or front section of the extension so that during removal of the cap from the bottle, a distal end of the flap engages an area where the extension extends from the circular body.