US 12,012,261 B2
Safety closure
Gary Berge, Crystal Lake, IL (US)
Assigned to Silgan White Cap LLC, Downers Grove, IL (US)
Filed by Silgan White Cap LLC, Downers Grove, IL (US)
Filed on Aug. 5, 2021, as Appl. No. 17/395,174.
Application 17/395,174 is a continuation of application No. PCT/US2021/044281, filed on Aug. 3, 2021.
Claims priority of provisional application 63/060,814, filed on Aug. 4, 2020.
Prior Publication US 2022/0041350 A1, Feb. 10, 2022
Int. Cl. B65D 50/04 (2006.01)
CPC B65D 50/041 (2013.01) 20 Claims
OG exemplary drawing
 
1. A closure comprising:
a roll-on cap comprising:
a top panel;
a vertical axis around which the top panel is centered;
a cylindrical wall that extends from the top panel, the cylindrical wall defining an inner surface that faces towards the vertical axis and an opposing outer surface that faces away from the vertical axis;
a first interface portion defined by the outer surface; and
a first diameter of the first interface portion with respect to the vertical axis, the first diameter is a maximum diameter of the first interface portion; and
an overcap configured to be placed over the roll-on cap, the overcap comprising:
a top panel;
a cylindrical wall extending from an outer periphery of the top panel, the cylindrical wall defining an inner surface that faces towards the vertical axis;
a second interface portion defined by the inner surface, the second interface portion is configured to selectively interface with the first interface portion;
a second diameter of the second interface portion with respect to the vertical axis, wherein the second diameter is less than the first diameter; and
a biasing element that biases the second interface portion distance from the first interface portion.