Container-closure arrangement

Abstract

A container-closure arrangement including a container having a base and peripheral wall. A rim forms an upper margin of the wall and surrounds an opening of the container. An external bead is formed integrally with and surrounds the rim, and an internal bead is formed integrally with and around the rim. The arrangement further includes a closure having a closure portion that includes a central region, with the closure portion being adapted to overlie the opening of the container. A skirt is formed integrally with the closure portion and is arranged to surround the rim when the closure is mounted to the container. The skirt includes a first portion that is positionable to surround an external upper end of the rim, and a second portion including a band that is frangibly connected to and extends downwardly from the first portion to surround the rim.

1 - 21 . (canceled)  
   
   
       22 . A container-closure arrangement comprising: 
 (i) a container having a base and peripheral wall, a rim forming an upper margin of the wall and surrounding an opening of the container, an external bead formed integrally with and surrounding the rim, and an internal bead formed integrally with and around the rim to project inwardly of the container; and    (ii) a closure having a closure portion that is adapted to overlie the opening of the container, a skirt formed integrally with the closure portion and arranged to surround the rim when the closure is mounted to the container, the skirt comprising a first portion positionable adjacent to and to surround an external upper end of the rim, and a second portion comprising a band that is frangibly connected to and extends downwardly from the first portion to surround the rim below its upper end, the second portion having a first ledge located within and formed integrally therewith, the first ledge being positionable to locate in interlocking engagement with the external bead, with a second ledge being formed integrally with the closure portion and being positionable to locate in interlocking engagement with the internal bead;    wherein, when the closure is mounted on the container, the second portion can be detached from the first portion to enable its removal from the closure and from its interlocking engagement with the external bead.    
   
   
       23 . A container-closure arrangement as claimed in  claim 22  wherein a closure flange is formed integrally with and extends out from the skirt first portion such that, once the skirt second portion has been detached from the skirt first portion, the second ledge can be disengaged from the internal bead by lifting the closure flange away from the rim.  
   
   
       24 . A container-closure arrangement as claimed in  claim 22  wherein a container flange is formed integrally with and extends out from the container wall below the rim, whereby a distal end of the skirt second portion is positionable in a close facing relationship to the container flange when the closure is mounted to the container.  
   
   
       25 . A container-closure arrangement as claimed in  claim 24  wherein the container flange is formed to protrude laterally further from the container than the skirt, thereby providing protection to the skirt during transport of the arrangement.  
   
   
       26 . A container-closure arrangement as claimed in  claim 22  wherein the closure portion comprises a land that connects at one end to the skirt, and from which end the skirt depends, and connects at an opposite end to a wall section that subtends from this opposite end, wherein the skirt, land and wall section in combination define a generally U-shaped channel into which the container rim is receivable, when mounting the closure thereto, with the first and second ledges projecting into the U-shaped channel from the skirt and wall section respectively.  
   
   
       27 . A container-closure arrangement as claimed in  claim 26  wherein the second ledge projects into the U-shaped channel from the land and, additionally, an internal skirt projects from the land or wall section, with a distal end of the internal skirt being arranged for engagement with an internal ledge defined in the container wall.  
   
   
       28 . A container-closure arrangement as claimed in  claim 22  wherein a sealing arrangement is provided between the first portion and the adjacent container rim, the sealing arrangement comprising a projection on either the first portion or the rim, and a corresponding recess on either the rim or the first portion respectively, the recess being adapted for receiving the projection therein in a close or snug fit when the closure is mounted to the container.  
   
   
       29 . A container-closure arrangement comprising: 
 (i) a container having a base and peripheral wall, a rim forming an upper margin of the wall and surrounding an opening of the container, an external bead formed integrally with, surrounding and spaced from a free end of the rim, and an internal bead formed integrally with and around the rim to project inwardly of the container, the internal bead being defined as part of the rim free end; and    (ii) a closure having a closure portion that is adapted to overlie the opening of the container, a skirt formed integrally with the closure portion and arranged to surround the rim when the closure is mounted to the container, the skirt having a first ledge located within and formed integrally therewith, the first ledge being positionable to locate in interlocking engagement with the external bead, with a second ledge being formed integrally with the closure portion and being positionable to locate in interlocking engagement with the internal bead.    
   
   
       30 . A container-closure arrangement as claimed in  claim 29  wherein the skirt comprises a first portion positionable adjacent to and to surround an external upper end of the rim, and a second portion comprising a band that is frangibly connected to and extends downwardly from the first portion to surround the rim below its upper end, the second portion having a first ledge located within and formed integrally therewith, the first ledge being positionable to locate in interlocking engagement with the external bead, with a second ledge being formed integrally with the closure portion and being positionable to locate in interlocking engagement with the internal bead; 
 wherein, when the closure is mounted on the container, the second portion can be detached from the first portion to enable its removal from the closure and from its interlocking engagement with the external bead.    
   
   
       31 . A container-closure arrangement comprising: 
 (i) a container having a base and peripheral wall, a rim forming an upper margin of the wall and surrounding an opening of the container, an external bead formed integrally with and surrounding the rim, and a container flange formed integrally with and to extend out from and around the container wall below the rim; and    (ii) a closure having a closure portion that is adapted to overlie the opening of the container, a skirt formed integrally with the closure portion and arranged to surround the rim when the closure is mounted to the container, the skirt comprising a first portion positionable adjacent to and to surround an external upper end of the rim, and a second portion comprising a band that is frangibly connected to and extends downwardly from the first portion to surround the rim below its upper end, the second portion having a first ledge located within and formed integrally therewith, the first ledge being positionable to locate in interlocking engagement with the external bead; wherein, when the closure is mounted on the container, a distal end of the second portion is positioned in a close facing relationship to the container flange.    
   
   
       32 . A container-closure arrangement as claimed in  claim 31  wherein the container flange is formed integrally with and extends out from the container wall below the rim, whereby a distal end of the skirt second portion is positionable in a close facing relationship to the container flange when the closure is mounted to the container, and wherein the container comprises an internal bead formed integrally with and around the rim to project inwardly of the container, and the closure portion comprises a second ledge formed integrally therewith and positionable to locate in interlocking engagement with the internal bead, with the second portion being detachable from the first portion to enable its removal from the closure and from its interlocking engagement with the external bead.