Abstract: A plate mainly used for serving sushi on a revolving conveyor in restaurants. The plate is provided with a central recess with an ice disc set inside and covered with a transparent cover that is prevented from falling off the plate accidentally, so that the interior of the plate being carried on the conveyor is kept cool in order to keep the sushi fresh on the plate and prevent the sushi from coming into contact with outside air.

Abstract: A salad bowl with cooling function in the present invention includes a bowl body and a cover body. The bowl body has a recess and a chamber separated from the recess with a separator and the cover body has a receiving pan. After ice cubes are respectively placed in the recess of the bowl body as well as the receiving pan of the cover body and vegetable or fruit salad is placed in the chamber of the bowl body, the cover body is covered on the bowl body, by which the vegetable or fruit salad will be spread with cool air coming from the ice cubes and penetrating through perforated holes of the separator as well as the receiving pan and thus to be kept fresh in cool temperature in a longer period and tasted more delicious.

Abstract: A food heating and cooling device including a tray, at least one main dish plate in the tray, at least one secondary dish plate in the tray, a cover associated with the tray for maintaining the food hot or cold, an inducer for heating, reheating or maintaining heat and powered by an electronic generator circuit which induces currents in an armature located on or under the plates, a thermoelectric exchanger for maintaining the food cold or cool by extracting residual heat from the plates and compensates for thermal insulation leaks from the tray and cover, and rechargeable batteries connected to the inducer and the thermoelectric exchanger.

Abstract: The present invention provides a device for containing and a method of refrigerating, heating, and storing. The device comprises at least two containers each having a continuously formed rounded surface running from a bottom plane to a medial perimeter. The continuously formed rounded surface of one of the containers laterally extends beyond the medial perimeter of at least the two containers and extends over and laterally at opposite ends of the containers in a parallel relationship for suspending the one container within one of the other containers. A notched cap is sized for placement over and for substantially encapsulating the two containers. The continuously formed rounded surface of the one container laterally extends through and laterally beyond the notched cap.