CPC A47J 27/21166 (2013.01) [A47J 36/02 (2013.01)] | 20 Claims |
1. An article of manufacture comprising:
a wall portion having a wall inner surface and a wall outer surface;
a base portion having a base inner surface and a base outer surface, at least a portion of the wall portion and the base portion forming a vessel to retain fluid therein, at least part of the base portion configured to receive heat from a heating source; and
a plurality of shaped portions extending below the base outer surface, a top of each of the plurality of shaped portions being opposite a bottom of each of the plurality of shaped portions, the plurality of shaped portions of the base outer surface being shaped to have 1.2 or more times surface area than a surface of a corresponding flat surface, each shaped portion of the base outer surface including at least three sides extending from the bottom to the top, the plurality of shaped portions of the base outer surface including polygonal shaped tops of the plurality of shaped portions, and sides of the plurality of shaped portions assisting in uneven heat transfer from the heating source to the fluid retained in the article of manufacture to induce creation of a plurality of convection cells in contact with a surface of the fluid which increases heat transfer from the heating source to the fluid.
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