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Method for making center-filled chewing gum

  • US 4,975,288 A
  • Filed: 10/18/1989
  • Issued: 12/04/1990
  • Est. Priority Date: 12/08/1987
  • Status: Expired due to Term
First Claim
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1. A method for forming center-filled chewing gum which comprises the steps of:

  • (A) providing an apparatus which comprises;

    (a) an extruder barrel nozzle means with an annular orifice and an outer tube;

    (b) a straight center-fill tube extending concentrically within and outwardly through the annular orifice and being concentrically disposed within the outer tube, the center-fill tube having an outside diameter equal to at least one-half of the inside diameter of the outer tube;

    (c) a conveying means comprising a straight rotating screw conveyor rotatable in the center-fill tube;

    (B) extruding a rope of chewing gum through the annular orifice of the extruder barrel nozzle to form a gum rope with a hollow interior of predetermined volume;

    (C) pouring a center-fill material from the center-fill tube with the straight rotating screw conveyor into the hollow interior of the gum rope as the gum rope is being extruded; and

    (D) regulating the straight rotating screw conveyor to establish a predetermined volumetric rate relative to the rate of extrusion of the gum rope sufficient to just fill the hollow interior of the gum rope without exerting compressive pressure thereon.

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