Heat retaining dish for food - consists of upper and lower metal foil container crimped together at edges, with heat retaining material

摘要

The heat-retaining dish consists of a lower and upper metal foil container of the same shape, and is designed to keep food warm, so that it is suitable for use in private houses, hotels, institutions and such like. The metal foil container can be round, oval, rectangular or polygonal. The bottom foil half is filled with a mixture of heat-retaining material. The top metal half is placed on top, and the rims of the top and bottom halves are compressed together.