| 摘要 |
<p>System for keeping food warm or cold, comprising a dish-shaped base and a hood-shaped lid each having a cavity filled with polymer foam heat insulation, where the base contains a food dish supported on a hollow insert containing a heat carrier medium, comprises using several interchangeable inserts, each with different heat conductivity and heat storage properties but with the same shape and outside diameter. System for keeping food warm or cold, comprising a dish-shaped base (1) and a hood-shaped lid (4), each having a cavity filled with polymer foam heat insulation (8) and each having a peripheral flange for centering and supporting the lid on the base, where the base contains a food dish (3) supported on a hollow insert (2) containing a heat carrier medium, comprises using several interchangeable inserts, each with different heat conductivity and heat storage properties but with the same shape and outside diameter, which is adapted to the inside diameter of the base.</p> |
