Bottle Closures and Containment Systems

Abstract

According to techniques of the application, a closure includes a sidewall, a plurality of knurls, a top surface, and a rim. The sidewall has an outer surface, about which the knurls are distributed. The top surface is bounded by the sidewall. The rim includes a portion of the sidewall extending above the top surface, a top edge, and an inner surface. The rim has a first curvature having a first curvature radius. The first curvature is convex and extends from the top edge of the rim towards the outer surface of the sidewall. The rim has a second curvature having a second curvature radius. The first curvature radius is larger than second curvature radius.

1 . A closure comprising:
 a sidewall including an outer surface;   a plurality of knurls distributed around the outer surface of the sidewall;   a top surface bounded by the sidewall; and   a rim including:
 a portion of the sidewall extending above the top surface, 
 a top edge, 
 an inner surface, 
 a first curvature comprising a first curvature radius, wherein the first curvature is convex and extends from the top edge of the rim towards the outer surface of the sidewall, 
 a second curvature including a second curvature radius, wherein the second curvature is convex and extends from the top edge of the rim towards the inner surface of the rim 
 wherein the first curvature and the second curvature each extend circumferentially around the rim, and 
 wherein the first curvature radius is larger than the second curvature radius. 
   
     
     
         2 . The closure of  claim 1 , wherein a ratio of the first curvature radius to the second curvature radius is approximately between 3:1 and 4:1. 
     
     
         3 . The closure of  claim 2 , wherein the ratio of the first curvature radius to the second curvature radius is approximately 3.5:1. 
     
     
         4 . The closure of  claim 1 , wherein the rim further includes a third curvature including a third curvature radius, wherein the third curvature is concave and extends from the inner surface of the rim towards the top surface, and wherein the first curvature radius is larger than the third curvature radius. 
     
     
         5 . The closure of  claim 4 , wherein a ratio of the first curvature radius to the third curvature radius is approximately between 3:1 and 4:1. 
     
     
         6 . The closure of  claim 5 , wherein the ratio of the first curvature radius to the third curvature radius is approximately 3.5:1. 
     
     
         7 . The closure of  claim 4 , wherein a ratio of the second curvature radius to the third curvature radius is approximately 1:1. 
     
     
         8 . The closure of  claim 1 , wherein a ratio of a height of the sidewall to a height of inner surface of the rim is between approximately 6:1 and 7:1. 
     
     
         9 . A closure comprising:
 a sidewall including an outer surface and a number of convex regions on the outer surface;   a top surface bounded by the sidewall; and   a rim including:
 a portion of the sidewall extending above the top surface, 
 a top edge, and 
 an inner surface; 
   a number of a first type of knurls distributed on the outer surface of the sidewall;   a number of groups of a second type of knurls;   wherein:
 the first type of knurls are rounded, 
 each of the convex regions is between two of the first type of knurls, and 
 each of the groups of the second type of knurls is located within a different one of the convex regions. 
   
     
     
         10 . The closure of  claim 9 , wherein the number of the first type of knurls is equal to the number of the convex regions. 
     
     
         11 . The closure of  claim 9 , wherein the number of the first type of knurls is equal to the number of the groups of the second type of knurls. 
     
     
         12 . The closure of  claim 9 , wherein:
 a plurality of the first type of knurls each comprise a convex curvature including a first type of knurl radius;   a plurality of the second type of knurls each comprise a convex curvature including a second type of knurl radius; and   wherein a ratio of the first type of knurl radius to the second type of knurl radius is approximately between 3:1 and 4:1.   
     
     
         13 . The closure of  claim 12 , wherein the ratio of the first type of knurl radius to the second type of knurl radius is approximately 3.7:1. 
     
     
         14 . The closure of  claim 9 , wherein the rim further includes:
 a first curvature comprising a first curvature radius, wherein the first curvature is convex and extends from the top edge of the rim towards the outer surface of the sidewall,   a second curvature including a second curvature radius, wherein the second curvature is convex and extends from the top edge of the rim towards the inner surface of the rim,   wherein the first curvature and the second curvature each extend circumferentially around the rim, and   wherein the first curvature radius is larger than the second curvature radius.   
     
     
         15 . The closure of  claim 14 , wherein a ratio of the first curvature radius to the second curvature radius is approximately between 3:1 and 4:1. 
     
     
         16 . The closure of  claim 15 , wherein the ratio of the first curvature radius to the second curvature radius is approximately 3.5:1. 
     
     
         17 . The closure of  claim 14 , wherein the rim further includes a third curvature including a third curvature radius, wherein the third curvature is concave and extends from the inner surface of the rim towards the top surface, and wherein the first curvature radius is larger than the third curvature radius. 
     
     
         18 . The closure of  claim 17 , wherein a ratio of the first curvature radius to the third curvature radius is approximately between 3:1 and 4:1. 
     
     
         19 . The closure of  claim 18 , wherein the ratio of the first curvature radius to the third curvature radius is approximately 3.5:1. 
     
     
         20 . The closure of  claim 17 , wherein a ratio of the second curvature radius to the third curvature radius is approximately 1:1. 
     
     
         21 . A containment system comprising:
 a bottle including a base and a neck;   a closure configured to releasably engage with the neck of the bottle, wherein the closure includes:
 a sidewall including an outer surface; 
 a plurality of knurls distributed around the outer surface of the sidewall; 
 a top surface bounded by the sidewall; 
 a rim including a portion of the sidewall extending above the top surface, a top edge, and an inner surface; 
   a shrink film encompassing at least a portion of the base of the bottle and the outer surface of the sidewall of the closure; and   wherein:
 the shrink film includes a flap extending horizontally from the top edge of the rim towards a center axis perpendicular to the top surface of the closure, and 
 the flap, the top surface, and the inner surface of the rim form a cavity. 
   
     
     
         22 . The containment system of  claim 21 , wherein the rim further comprises:
 a first curvature comprising a first curvature radius, wherein the first curvature is convex and extends from the top edge of the rim towards the outer surface of the sidewall;   a second curvature including a second curvature radius, wherein the second curvature is convex and extends from the top edge of the rim towards the inner surface of the rim;   wherein the first curvature and the second curvature each extend circumferentially around the rim; and   wherein the first curvature radius is larger than the second curvature radius.   
     
     
         23 . The containment system of  claim 22 , wherein a ratio of the first curvature radius to the second curvature radius is approximately between 3:1 and 4:1. 
     
     
         24 . The containment system of  claim 23 , wherein the ratio of the first curvature radius to the second curvature radius is approximately 3.5:1. 
     
     
         25 . The containment system of  claim 21 , wherein:
 the sidewall further comprises a number of convex regions on the outer surface;   the plurality of knurls further comprises:
 a number of a first type of knurls distributed on the outer surface of the sidewall, 
 a number of groups of a second type of knurls; and 
   wherein:
 the first type of knurls are rounded, 
 each of the convex regions is between two of the first type of knurls, and 
 each of the groups of the second type of knurls is located within a different one of the convex regions. 
   
     
     
         26 . The closure of  claim 25 , wherein the number of the first type of knurls is equal to the number of the convex regions. 
     
     
         27 . The closure of  claim 25 , wherein the number of the first type of knurls is equal to the number of the groups of the second type of knurls.