Nestec was awarded US patent 6183799 6 February for  “Extrusion process for laminated candy products.”

Nestec is very active in this technology, as are Scholler Lebensmittel GmbHWarner-Lambert, Procter & Gamble, Nabisco Technology and Crompton & Knowles.


Abstract:



    The invention relates to a method and apparatus for producing a laminated edible product such as a candy product. This method includes the steps of extruding from the exit port of a coaxial die a thin strip of a first fluid material encased in a layer of a second fluid material, depositing the thin strip on a support, and superimposing additional thin strip on top of the first thin strip. The invention also relates to an edible product prepared by this method.


First of 18 Claims:


A method of producing a laminated edible candy product having thin layers of at least one first fluid material interleaved between thin layers of a second fluid material comprising :



    extruding from the exit port of a coaxial die a first thin strip of at least one first fluid material comprising a paste encased in a layer of a second fluid material comprising a boiled candy mass, wherein the at least one first fluid material and the second fluid material are not miscible;
    cooling the first thin strip;
    depositing the cooled first thin strip on a support; and
    directly superimposing a second cooled thin strip on the first cooled thin strip to form the product.


By Navroz Havewala, just-food.com correspondent