Isitilacak bir gida ürününü ihtiva eden bir kap için sicaklik gösterme cihazi ve bu çesit bir cihazi tasiyan kap.

摘要

Uses mixture of liquid crystals which change color and produce a unique message 'OK' which is visible. Indicator (1) displays the temperature of food product in container. A mixture of liquid crystals is used which changes color as the temperature changes, within the temperature range of 35 to 44 degrees C. Container's indicator, containing liquid crystals, displays an 'OK' message to user on the background (2) when optimal temperature for food product has been attained.