Patent ID: 9731858
Date: 2017-08-15
CPC Classifications: B65D,C03B

Claim:
1. A mouth piece for a bottle with a twist-off crown cap closure, wherein the mouth piece comprises: a mouth piece body with a dispensing opening at the end; a closure thread for interacting with a twist-off crown cap in order to close off the dispensing opening so that it is liquid-tight, which closure thread is formed by a plurality of thread protrusions arranged along a partial region of the circumference of the mouth piece body at a predetermined thread pitch, the plurality of thread protrusions protruding from the exterior side of the mouth piece body; and a discontinuity running circumferentially around the mouth piece body, arranged between the dispensing opening and the closure thread, and formed as a result of a tool during a manufacture of the mouth piece in a transition region between two orifice jaws on the one hand and a guide disc on the other hand; wherein an exterior end of the discontinuity is offset inwards relative to an exterior surface of the mouth piece body situated between axially adjacent thread protrusions, a first ring-shaped exterior surface of the mouth piece body, the first ring-shaped exterior surface starting from the discontinuity and extending in a direction of the closure thread, wherein: a second ring-shaped exterior surface of the mouth piece body, the second ring-shaped exterior surface starting from the discontinuity and extending in a direction of the dispensing opening, wherein: wherein the first radius of curvature is greater than the second radius of curvature.