Card Based Package for Powdered Infant Nutrition Products

Abstract

A card-based package for powdered infant nutrition, comprises a container portion, the container portion defining an interior space for receiving the powdered infant nutrition and having a base and a sidewall extending to an upper peripheral edge for receiving a removable seal for hermetically sealing the container portion prior to use. The package further comprises a collar portion and a lid portion. The collar portion is connected to and extends upwardly from the upper peripheral edge of the container portion and comprises a connection segment and an upper peripheral closure rim surrounding an access opening giving access to the interior space. The lid portion comprises a lid and a frame and forms a re-closable joint with the upper peripheral closure rim of the collar portion, allowing repeated and selective opening and closing of the access opening. The container portion, the collar portion and the lid portion all comprise card-based material.

1 . A card-based package for powdered infant nutrition, comprising:
 a container portion, the container portion defining an interior space for receiving the powdered infant nutrition and having a base and a sidewall extending to an upper peripheral edge for receiving a removable seal for hermetically sealing the container portion prior to use;   a collar portion, connected to and extending upwardly from the upper peripheral edge of the container portion and comprising a connection segment and an upper peripheral closure rim surrounding an access opening giving access to the interior space; and   a lid portion, comprising a lid and a frame and forming a re-closable joint with the upper peripheral closure rim of the collar portion, allowing repeated opening and closing of the access opening,   wherein the container portion, the collar portion and the lid portion are all formed of card-based material.   
     
     
         2 . The package according to claim  1  or claim  2 , wherein the collar portion has a height of between 10 mm and 70 mm, preferably between 20 mm and 40 mm. 
     
     
         3 . The package according to  any one of the preceding claims , wherein the collar portion comprises a functional insert, including one or more functionalities selected from the group consisting of: scoop leveller, scoop holder, latch, stiffening flange, insect barrier and sealing surface. 
     
     
         4 . The package according to  any one of the preceding claims , wherein the lid and frame are joined together, preferably in a folded seam. 
     
     
         5 . The package according to  any one of the preceding claims , wherein the frame extends downwards to form a skirt that, in the closed position of the lid portion, covers at least part of the upper peripheral closure rim. 
     
     
         6 . The package according to  any one of the preceding claims , wherein the lid portion further comprises a gasket located at an underside of the lid and having a resilient edge 
     
     
         7 . The package according to  any one of the preceding claims , wherein the upper peripheral edge of the container comprises a circumferential flange extending outwards from the container. 
     
     
         8 . The package of  any one of the preceding claims , wherein an inner circumference of the connection segment engages around an outer circumference of the container portion. 
     
     
         9 . The package of  claim 8 , wherein the connection segment comprises a circumferentially extending groove which receives part of the upper peripheral edge of the container in an interference fit. 
     
     
         10 . The package of  any one of the preceding claims , further comprising a locking arrangement between the lid portion and the collar portion 
     
     
         11 . The package of  any one of the preceding claims , further comprising a hinge between the lid portion and the collar portion. 
     
     
         12 . The package of  any one of the preceding claims , further comprising a paper banderol provided prior to use around at least part of the collar portion and the lid portion. 
     
     
         13 . The package of  claim 12 , wherein a circumferentially extending section of the banderol is removable to form a hinge between the lid portion and the collar portion. 
     
     
         14 . The package of  claim 13 , wherein the circumferentially extending section of the banderol is a strip defined by one or more lines of weakness and removal of the strip preferably reveals a contrasting colour beneath the banderol. 
     
     
         15 . The package of  any one of the preceding claims , wherein inner surfaces of the package have a food compatible surface. 
     
     
         16 . The package of  any one of the preceding claims , wherein the card-based material of at least the collar portion and the frame is made of spiral wound cardboard. 
     
     
         17 . The package of  any one of the preceding claims , wherein the card-based material of the lid portion and/or the collar portion comprises at least 90 wt % paper, preferably at least 95 wt % paper or at least 98 wt % paper. 
     
     
         18 . The package of  any one of the preceding claims , further comprising a removable seal hermetically sealing the container prior to use. 
     
     
         19 . The package of  any one of the preceding claims , further comprising a scoop located within the collar portion beneath the lid. 
     
     
         20 . The package of  any one of the preceding claims , further comprising a scoop holder, preferably located on an underside of the lid. 
     
     
         21 . The package of  any one of the preceding claims , wherein the base and sidewall are joined together, preferably in a folded seam. 
     
     
         22 . The package of  any one of the preceding claims , wherein the container portion is a tube of a constant first outer cross-section. 
     
     
         23 . The package of  claim 22 , wherein the base comprises a downwardly extending rim having the first outer cross-section and the lid portion has a second outer cross-section that is greater than the first outer cross-section, such that the base of a first container can stack on the lid of a second container. 
     
     
         24 . The package of  claim 23 , wherein a latch for releasing the lid portion from the collar portion is located on the lid at a position that lies within the downwardly extending rim. 
     
     
         25 . The package of  any one of the preceding claims , wherein the re-closable joint has no gaps of greater than 150 microns, preferably less than 100 microns and more preferably less than 70 microns. 
     
     
         26 . A package constructed of card-based material, the package comprising a longitudinal extending tubular body with at least four transverse elements, sealingly connected to the tubular body at four junctions, comprising in sequence: a first element forming a base; a second element forming a removable seal for enclosing an interior space; a third element being a functional insert; and a fourth element forming a lid. 
     
     
         27 . The package according to  claim 26 , wherein at each junction, the tubular body is folded or rolled into a rim or flange. 
     
     
         28 . The package according to  any one of the preceding claims , further comprising an amount of powdered infant nutrition sealed within the interior space. 
     
     
         29 . The package according to  claim 28 , where the interior space contains an inert gas and less than 2% oxygen.