| 摘要 |
PURPOSE:To compose a food storage device having its excellent heating efficiency as well as its light weight by bonding metal plates respectively onto both sides of a heat resistant rubber-sheet with built-in electric heating wires. CONSTITUTION:A heater 1 has metal plates 4 bonded respectively onto both faces of a heat resistant rubber sheet 3 with built-in electric heating wires 2, and also it has a far infrared ray radiator 5 laid on the external-side face of at least one side metal-plate. The heat resistant rubber-sheet is made of silicone rubber. Each of the metal plates is made of aluminium or its alloy, and the far infrared ray radiator is made up of a processed black alumite layer. A heat insulator is attached to the external-side face of one side metal- plate having no far infrared ray radiator laid thereon. |
