| 摘要 |
Apparatus for accelerating the heating of a cooking vessel positioned over a heat source including a sleeve adapted to surround the side wall of the cooking vessel. The sleeve includes an inner face which is spaced from the vessel side wall and is interrupted by a plurality of inwardly directed projections. The projections are spaced about the circumference of the sleeve inner face and are adapted to terminate adjacent the vessel side wall and to define in conjunction therewith a plurality of passages through which heat from the heat source may pass in intimate contact with the vessel side wall.
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