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Method and apparatus for production of multi-flavored and multi-colored chewing gum
| Details |
Inventors: Kehoe, Gary; Carroll, Thomas J.; Mihalich, Donald L.;
Assignee: Nabisco Technology Company (Wilmington, DE)
Primary Examiner: Woo; Jay H.
Assistant Examiner: Hopkins; Robert A.
Attorney, Agent or Firm:
Multi-veined chewing gum is produced by injecting a plurality of different liquid flavor/dye compositions into a substantially homogeneous gum base composition or into a laminated or coextruded gum composition. The injection may be performed while the gum composition is being conveyed in one or more extruder head barrels, the injection being at a plurality of radial and/or circumferential positions in the barrel. In embodiments of the invention substantially straight longitudinal veins of color are then partially mixed to partially displace the colored veins in a direction transverse to the direction of extrusion so as to create veined, multi-colored patterns substantially throughout a cross section of the product in a manner so that the multi-colored patterns in the cross-section differ along the length of the extrudate. The extrudate is cut to obtain gum pieces having different veins of injected liquid additives which provide a swirled or marbleized pattern in the opposing cut ends. The injected liquid additive compositions may include flavors, dyes, lakes, high intensity sweeteners, therapeutic agents, breath freshening agents, and mixtures thereof. Surface veins may also be produced by injection of liquid colorant/flavorant compositions onto the substantially homogeneous gum base composition as it passes through the extrusion head barrel. The surface veins may be disrupted or displaced independently of the interior veins using a rotatable sleeve or gum rope twisting device. |
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DETAILED DESCRIPTION The present invention provides chewing gum comprising a plurality of discrete areas or portions of at least one colorant, flavorant, therapeutic agent, or other additive within one or more substantially homogeneous base portions.
The chewing gum pieces are preferably in the shape of a cube or rectangular solid having opposing cut ends.
In embodiments of the present invention, the gum pieces contain a plurality of different colored and flavored veins which are visible at the cut ends of the piece.
The colored veins provide a pattern, preferably a swirled or marbleized pattern in the cut ends.
One or more of the veins may extend from one cut end to the other cut end.
The remaining outer surfaces, that is the surfaces between the cut ends, may also be multi-colored, preferably with a helical design.
In the process of the present invention, multi-colored chewing gum may be produced by supplying liquid dye and flavoring compositions to individual probes, nozzles or injectors which extend different distances into a barrel of an extrusion head of a chewing gum extruder or mixing device.
The extrusion head may have one or a plurality of barrels each with its own set of injectors or probes.
In addition to multiple radial positions or depths, the individual probes may be located at multiple positions along the length of each barrel of the chewing gum extruder head.
The probes may also be arranged at multiple circumferential positions around the one or more barrels of the extrusion head.
The flow rate to each probe or injector may be individually controlled by valves located in feed lines connecting a manifold to the probes.
A different manifold may be used for each color.
The manifold for a given color may supply the color to individual probes which extend into one or more barrels to different radial positions.
For example, a probe may be arranged to supply a given color to the surface of the chewing gum composition, another probe may supply the color to the center of the chewing gum composition, and a third probe may supply the color to a radial position which is between the outer surface and the center of the chewing gum composition
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Nonmetallic Processes 
