Multi-Piece Closure with Pull Ring

Abstract

A closure is provided for coupling to a container. The closure includes an insert and an overcap affixed to a container neck of a container. The insert includes a cover removably coupled to the insert. The insert may includes a pull tab coupled to the cover, the cover detaching from the insert in response to a user pulling on the pull tab.

What is claimed is: 
     
         1 . A closure comprising:
 a first longitudinal axis;   an overcap comprising:
 a body configured to couple to a container neck of a container, the body defining a first opening in fluid communication with a storage compartment in the container, wherein the first opening is centered on the first longitudinal axis; and 
 a lid pivotally coupled to the body via a hinge; and 
   an insert interfacing with the body thereby frictionally engaging the insert with the overcap, the insert comprising a first inner cylindrical wall configured to engage an interior of the container neck, a cover detachably coupled to the first inner cylindrical wall, and a pull tab coupled to the cover, the first inner cylindrical wall comprising a first inner surface that faces towards the first longitudinal axis, wherein the pull tab circumferentially extends around a second longitudinal axis that is not colinear with the first longitudinal axis.   
     
     
         2 . The closure of  claim 1 , the cover configured to detach from the first inner cylindrical wall in response to a user pulling on the pull tab. 
     
     
         3 . The closure of  claim 1 , the insert comprising a first outer cylindrical wall configured to couple to an exterior of the container neck opposite the interior of the container neck, the first outer cylindrical wall further from the first longitudinal axis than the first inner cylindrical wall, the first outer cylindrical wall comprising helical threading configured to couple the insert to the container neck. 
     
     
         4 . The closure of  claim 3 , the first outer cylindrical wall comprising a first outer surface facing away from the first longitudinal axis, the body comprising a second inner cylindrical wall interfacing with the first inner cylindrical wall, the body comprising a second outer cylindrical wall interfacing with the first outer cylindrical wall. 
     
     
         5 . The closure of  claim 4 , the first inner cylindrical wall defining a second opening centered on the first longitudinal axis, and the second inner cylindrical wall defining the first opening. 
     
     
         6 . The closure of  claim 5 , wherein the first opening defines a first diameter with respect to the first longitudinal axis, the pull tab defines a second diameter with respect to the second longitudinal axis, and wherein the first diameter is at least 20% bigger than the second diameter. 
     
     
         7 . The closure of  claim 5 , wherein the first opening defines a first diameter with respect to the first longitudinal axis, the pull tab defines a second diameter with respect to the second longitudinal axis, and wherein the first diameter is between 10% and 20% bigger than the second diameter. 
     
     
         8 . The closure of  claim 1 , the body comprising a second inner cylindrical wall interfacing with the first inner cylindrical wall. 
     
     
         9 . The closure of  claim 1 , wherein the pull tab extends from a first end to a second end, each of which are rigidly coupled to the cover. 
     
     
         10 . The closure of  claim 9 , wherein the pull tab is at least partially between the first opening and the storage compartment of the container. 
     
     
         11 . The closure of  claim 1 , wherein the cover is centered on the first longitudinal axis. 
     
     
         12 . The closure of  claim 1 , wherein the lid pivotally actuates between a closed position and an open position with respect to the body, wherein the lid blocks the first opening when the lid is in the closed position and the lid does not block the first opening when the lid is in the open position. 
     
     
         13 . A closure comprising:
 a first longitudinal axis;   an overcap centered on the first longitudinal axis, the overcap comprising:
 a body configured to couple to a container neck of a container, the body defining a first opening in fluid communication with a storage compartment in the container; and 
 a lid pivotally coupled to the body via a hinge, the lid pivotally actuating between a closed position and an open position with respect to the body, wherein the lid blocks the first opening when the lid is in the closed position and the lid does not block the first opening when the lid is in the open position; and 
   an insert interfacing with the body thereby frictionally engaging the insert with the overcap, the insert comprising a first inner cylindrical wall configured to engage to an interior of the container neck, a cover detachably coupled to the first inner cylindrical wall, and a pull tab coupled to the cover, the cover centered on the first longitudinal axis, the first inner cylindrical wall centered on the first longitudinal axis, the first inner cylindrical wall comprising a first inner surface that faces the first longitudinal axis, wherein the pull tab circumferentially extends around a second longitudinal axis that is not colinear with the first longitudinal axis.   
     
     
         14 . The closure of  claim 13 , the cover configured to detach from the first inner cylindrical wall in response to a user pulling on the pull tab, wherein the pull tab extends from a first end to a second end, each of which are rigidly coupled to the cover. 
     
     
         15 . The closure of  claim 13 , the insert comprising a first outer cylindrical wall configured to couple to an exterior of the container neck opposite the interior of the container neck, the body comprising a second inner cylindrical wall interfacing with the first inner cylindrical wall, the second inner cylindrical wall defining a second opening centered on the first longitudinal axis, wherein the second opening defines a first diameter with respect to the first longitudinal axis, the pull tab defines a second diameter with respect to the second longitudinal axis, and wherein the first diameter is at least 10% bigger than the second diameter. 
     
     
         16 . The closure of  claim 13 , not more than a single wall of the overcap is radially further from the axis than the cover. 
     
     
         17 . The closure of  claim 13 , the insert comprising a first outer cylindrical wall configured to couple to an exterior of the container neck opposite the interior of the container neck, the first outer cylindrical wall further from the first longitudinal axis than the first inner cylindrical wall, the body comprising a second inner cylindrical wall interfacing with the first inner cylindrical wall, the body comprising a second outer cylindrical wall interfacing with the first outer cylindrical wall, the first inner cylindrical wall defining a second opening centered on the first longitudinal axis, and the second inner cylindrical wall defining the first opening. 
     
     
         18 . A closure comprising:
 a first longitudinal axis;   an overcap centered on the first longitudinal axis, the overcap comprising:
 a body configured to couple to a container neck of a container, the body defining a first opening in fluid communication with a storage compartment in the container; and 
 a lid pivotally coupled to the body via a hinge, the lid pivotally actuating between a closed position and an open position with respect to the body, wherein the lid blocks the first opening when the lid is in the closed position and the lid does not block the first opening when the lid is in the open position; and 
   an insert interfacing with the body thereby frictionally engaging the insert with the overcap, the insert comprising a first inner cylindrical wall configured to engage an interior surface of the container neck, a cover detachably coupled to the first inner cylindrical wall, and a pull tab coupled to the cover, the first inner cylindrical wall centered on the first longitudinal axis, the first inner cylindrical wall comprising a first inner surface that faces the first longitudinal axis, not more than a single wall of the overcap is radially further from the first longitudinal axis than the cover.   
     
     
         19 . The closure of  claim 18 , the insert comprising a first outer cylindrical wall configured to couple to an exterior of the container neck opposite an interior of the container neck, the body comprising a second inner cylindrical wall interfacing with the first inner cylindrical wall, the second inner cylindrical wall defining a second opening centered on the first longitudinal axis, wherein the second opening defines a first diameter with respect to the first longitudinal axis, wherein the pull tab circumferentially extends around a second longitudinal axis that is not colinear with the first longitudinal axis, the pull tab defines a second diameter with respect to the second longitudinal axis, and wherein the first diameter is at least 5% bigger than the second diameter. 
     
     
         20 . The closure of  claim 18 , wherein the cover is centered on the first longitudinal axis.