CPC B65D 1/0246 (2013.01) [B21D 51/24 (2013.01)] | 21 Claims |
1. A metal container comprising:
a base;
an open top end; and
a unitary sidewall bridging the base and the open top end, the sidewall including
a first portion having a first diameter,
a neck having a second diameter, the second diameter being smaller than the first diameter, a first end of the neck terminating at the open top end, and
a curved shoulder bridging the first portion and a second end of the neck,
the neck including
a carrier ring forming a protrusion in the sidewall, the carrier ring including a top and a bottom sidewall portion, interior surfaces of the top and bottom sidewall portions being in contact with one another, the carrier ring having a second diameter, the second diameter being about 7% to about 45% greater than a diameter of the open top end,
a first groove adjacent to the top sidewall portion of the carrier ring, the first groove having a third diameter, the third diameter being smaller than the diameter of the open top end, and
a second groove adjacent to the bottom sidewall portion of the carrier ring, the neck having a wall thickness of between about 0.025 and 0.356 mm.
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