Patent ID: 6874658

Claim:
A plural chambered dispensing tube assembly that prevents products separated into chambers of the tube from mixing together prior to being dispensed, comprising: a) a tube body; b) a tube shoulder, having a large end and a small end, joined at its large end to one end of said tube body; c) a tube nozzle, having one end joined to the small end of said tube shoulder, its other end forming a product dispensing region; d) at least one divider in the tube and extending through the tube shoulder to the dispensing region said divider positioned essentially parallel to the expected direction of flow of the products, whereby the products in said tube are separated; and, e) a seal in the vicinity of the dispensing region to prevent mixing of said products wherein the seal is formed as a plurality of flapper valves: (1) that are hinged at the divider; (2) that are positioned essentially perpendicular to the expected direction of flow of the products; (3) that are biased to be closed to prevent mixing of said products at the dispensing region; (4) that are forced open to allow the products to be dispensed; and, (5) that are sufficiently biased to close after the products have been dispensed thereby re-sealing the dispensing region.