Child-resistant, pressurizable, and resealable package

A package, comprising:

• a container including a neck and a neck finish having a crown closure bead with a first outer diameter, and at least one external thread segment spaced axially away from the crown closure bead and having a second diameter greater than the first outer diameter of the crown closure bead;
• a crown closure coupled to the crown closure bead of the container neck finish;
• and
• a multi-piece closure assembly coupled to the crown closure and the container neck finish, and including:
• an inner shell including:
• an inner base wall having an axially inboard surface,
• an inner skirt depending from the base wall and having at least one internal thread segment to cooperate with the at least one external thread segment of the container neck finish and also having at least one external retention bead, and
• a circumferential array of child-resistant engagement features projecting axially outwardly from the inner base wall;
• a seal liner carried by the axially inboard surface of the inner base wall, and positioned against the crown closure;
• and
• an outer shell including:
• an outer base wall,
• an outer skirt depending from the outer base wall and having an internal retention bead for cooperating with the external retention bead of the inner shell to retain the shells together in an axial direction, and
• a circumferential array of child-resistant engagement features projecting axially inwardly from the outer base wall.

A package, comprising:

• a container including a neck and a neck finish having a crown closure bead with a first outer diameter, at least one external thread segment spaced axially away from the crown closure bead and having a second diameter greater than the first outer diameter of the crown closure bead, and a tamper-evident bead spaced axially away from the at least one thread segment;
• a crown closure coupled to the crown closure bead of the container neck finish;
• and
• a multi-piece closure assembly coupled to the crown closure and the container neck finish, and including:
• an inner shell including:
• an inner base wall having an axially inboard surface,
• an inner skirt depending from the base wall and having at least one internal thread segment to cooperate with the at least one external thread segment of the container neck finish and also having at least one external retention bead,
• a circumferential array of child-resistant engagement features projecting radially outwardly from the inner base wall and the inner skirt, and
• a frangible tamper-evident band at a lower end of the inner skirt for cooperating with the tamper-evident bead on the container neck finish;
• and
• an outer shell including:
• an outer base wall,
• an outer skirt depending from the outer base wall and having an internal retention bead for cooperating with the external retention bead of the inner shell to retain the shells together in an axial direction, and
• a circumferential array of child-resistant engagement features projecting axially and radially inwardly from the outer base wall and the outer skirt.