Refillable cooling container

Abstract

A refillable cooling container is provided for keeping food held in any size food container cool during serving. The refillable cooling container comprises a rubber bowl having a refillable hollow core, which may be reopened and secured with a plug. The bowl can be made in various sizes and shapes such as rectilinear, square, sphere-like, oblong, etc. The various shapes would conform to standard food containers and food bowls known in the art. The refillable cooling container can be filled with water, gel, or the like as well as pre-frozen ice cubes through its opening. The plug can then be secured to prevent the water, gel, or ice from escaping the hollow core.

1 . A refillable cooling container comprising:
 an interior surface of the refillable cooling container;   an exterior surface of the refillable cooling container;   a hollow core formed between said interior and exterior surfaces of the refillable cooling container;   and an opening disposed on the exterior surface of the refillable cooling container, said opening allowing access to said hollow core.   
   
   
       2 . The refillable cooling container of  claim 1 , further comprising a plug to seal said opening. 
   
   
       3 . The refillable cooling container of  claim 1 , wherein said refillable cooling container is soft rubber. 
   
   
       4 . The refillable cooling container of  claim 1 , wherein said refillable cooling container is rectangular in shape. 
   
   
       5 . The refillable cooling container of  claim 1 , wherein said refillable cooling container is semi-spherical in shape. 
   
   
       6 . A refillable cooling container comprising:
 an interior surface of the refillable cooling container, said interior surface being concave to allow placement of a food container;   an exterior surface of the refillable cooling container;   a hollow core formed between said interior and exterior surfaces of the refillable cooling container;   and an opening disposed on the exterior surface of the refillable cooling container, said opening allowing access to said hollow core.   
   
   
       7 . The refillable cooling container of  claim 6 , further comprising a plug to seal said opening. 
   
   
       8 . The refillable cooling container of  claim 6 , wherein said refillable cooling container is soft rubber 
   
   
       9 . The refillable cooling container of  claim 6 , wherein said refillable cooling container is rectangular in shape. 
   
   
       10 . The refillable cooling container of  claim 6 , wherein said refillable cooling container is semi-spherical in shape. 
   
   
       11 . A method a keeping a food container chilled comprising,
 placing a food container against an interior surface of a refillable cooling container filled with a frozen cooling substance,   wherein said refillable cooling container has an exterior surface and said interior surface forming a hollow core therebetween, said exterior surface further comprising an opening for filling and emptying the cooling substance.   
   
   
       12 . The method of keeping a food container chilled of  claim 11  wherein said cooling substance is a cooling fluid or frozen ice cubes. 
   
   
       13 . The method of keeping a food container chilled of  claim 11  further comprising;
 placing a plug in the opening to prevent said cooling substance from escaping the hollow core of the refillable cooling container.   
   
   
       14 . The method of keeping a food container chilled of  claim 12  further comprising;
 freezing the cooling fluid in the hollow core of the refillable cooling container after the cooling fluid has been added.   
   
   
       15 . The method of keeping a food container chilled of  claim 11 , wherein said refillable cooling container is rectangular in shape. 
   
   
       16 . The method of keeping a food container chilled of  claim 11 , wherein said refillable cooling container is semi-spherical in shape. 
   
   
       17 . The method of keeping a food container chilled of  claim 11 , wherein said inner surface of said refillable cooling container is concave. 
   
   
       18 . The method of keeping a food container chilled of  claim 11 , wherein said refillable cooling container is made from soft rubber.