Patent ID: 7213727
Filing Date: 2007-05-08
Classification: B65D

Abstract:
1. A nozzle which is to be provided on a top of a tubular neck portion of a liquid container, the tubular neck portion being configured to be mounted with a cap, the nozzle having opposite top and bottom ends and comprising: a discharging hole extending through the nozzle from the top end towards the bottom end and being disposed to be hermetically sealed by an inner top portion of the cap; a flange portion spaced from the top end of the nozzle and configured to be in contact with the top of the tubular neck portion of the liquid container; a ring-shaped projection formed between the flange portion and the top end of the nozzle and spaced from the flange portion and the top end of the nozzle; a constricted portion extending between the ring-shaped projection and the flange portion of the nozzle, the constricted portion having an inwardly curved external surface with a minimum cross-sectional dimension that is less than external cross-sectional dimensions defined by the flange portion and the ring-shaped projection; and a convex arcuate portion extending from the top end of the nozzle to the ring-shaped projection, the convex arcuate outer surface defining a maximum external cross-sectional dimension that is less than the external cross-sectional dimension of the ring-shaped projection but greater than the minimum cross-sectional dimension of the constricted portion.