Child-resistant packaging

Abstract

A child resistant container 2 comprises a closable wall 10 , a closure flap 20 connected to the closable wall 10 and a wall portion 4 having an inner layer 6 and an outer layer 8 , said closure flap 20 being inserted between said inner and outer layers 6, 8 . The closure flap 20 comprises one or more locking apertures 26 and said inner layer 6 of said wall portion 4 comprises one or more locking tabs 34 which engage in respective locking apertures 26 to prevent the closure flap 20 from being withdrawn from between the inner and outer layers 6, 8.

1 . A container comprising: 
 a closable wall;    a closure flap connected to said closable wall; and    a wall portion having an inner layer and an outer layer, said closure flap being inserted between said inner and outer layers of said wall portion;    wherein said closure flap comprises one or more locking apertures and said inner layer of said wall portion comprises one or more locking tabs which engage in respective locking apertures to prevent the closure flap from being withdrawn from between the inner and outer layers.    
   
   
       2 . The container in according to  claim 1 , wherein a plurality of locking tabs and locking apertures are provided.  
   
   
       3 . The container in according to  claim 1 , wherein the respective locking tab and locking aperture are configured and arranged such that the tab engages with the aperture substantially in the closed position of the closure flap such that a distal edge of the locking tab engages with an inner edge of the locking aperture.  
   
   
       4 . The container according to  claim 1 , wherein the locking tab is a hinged member.  
   
   
       5 . The container according to  claim 1 , wherein the locking tab is a flexible member.  
   
   
       6 . The container in according to  claim 1 , wherein the locking tab is connected to an inner flap of the closable wall.  
   
   
       7 . The container according to  claim 6 , wherein the connection is sufficiently stiff that as the inner flap is rotated to a closed position the locking tab will rotate with it.  
   
   
       8 . The container according to  claim 1 , comprising access means which allows as user to access the locking tab for release purposes.  
   
   
       9 . The container according to  claim 8 , wherein the access means comprises an access aperture provided in the closable wall of the container.  
   
   
       10 . The container according to  claim 9 , wherein the access aperture is aligned with a respective locking tab.  
   
   
       11 . The container according to  claim 9 , wherein the access aperture is provided substantially on a hinge line between the closable wall and the closure flap, adjacent the base of the locking tab.  
   
   
       12 . The container according to  claim 11 , wherein the access aperture is created by a cut line extending between respective portions of the hinge line between the closable wall and the closure flap.  
   
   
       13 . The container according to  claim 12 , wherein the cut is shaped to provide a tab which projects over the access aperture.  
   
   
       14 . The container according to  claim 9 , wherein the access aperture is wider than the associated locking tab.  
   
   
       15 . The container according to  claim 1 , in combination with a release member for disengaging said locking tab and said locking aperture.  
   
   
       16 . The container according to  claim 1 , comprising a detachable release member for disengaging said locking tab and said locking aperture.  
   
   
       17 . The container according to  claim 1 , formed from a foldable sheet material, such as cardboard, paperboard, or plastic sheet material.  
   
   
       18 . The container according to  claim 17 , formed from a one piece blank of foldable sheet material.  
   
   
       19 . The container according to  claim 17 , wherein said material is plastics sheet, e.g. polypropylene sheet, or plastics coated paperboard.  
   
   
       20 . A one piece blank of foldable sheet material for forming a container, wherein said container comprises: 
 a closable wall;    a closure flap connected to said closable wall; and    a wall portion having an inner layer and an outer layer, said closure flap being inserted between said inner and outer layers of said wall portion;    wherein said closure flap comprises one or more locking apertures and said inner layer of said wall portion comprises one or more locking tabs which engage in respective locking apertures to prevent the closure flap from being withdrawn from between the inner and outer layers.