Patent ID: 7326099

Claim:
A Bubble-In-Bubble generating assembly comprising: a first bubble generator defining an opening therein that limits the size of a bubble generated by the first bubble generator; a first gas supply conduit being positioned relative to the first bubble generator such that gas passing through the first air supply conduit impinges on the first bubble generator; a second bubble generator defining an opening therein that limits the size of a bubble generated by the second bubble generator; a second gas supply conduit being positioned relative to the second bubble generator such that gas passing through the second gas supply conduit impinges on the second bubble generator; the opening in the first bubble generator being smaller than the opening in the second bubble generator; the first and second supply conduits being separate members that do not share a common portion through which gas can flow; the first and second bubble generators being coupled together; and the openings in the first and second bubble generators being adjacent and positioned relative to each other such that a bubble generated at the opening in the first bubble generator is adjacent to the opening in the second bubble generator and thus enables the generated bubble to be blown into the opening in the second bubble generator to generate a bubble within a bubble.