| 摘要 |
PURPOSE: An electric heating bed of loess ball is provided to maximize available area and heat generating area by being manufactured to have identical inner size as a bed frame thereof. CONSTITUTION: In an electric heating bed of loess ball, a supporting plate(12), a shielding plate(13) and a shock absorbing material(14) are accumulated on support stands(11) which are fixed inside a bed frame(10) in order. An electric heat mat(20) is laminated on the upper side of a buffer material. The heat mat is formed by being filled the loess balls between a coating material(21) and an inner skin material. The shielding plate is formed at the lower side of the inner skin material. A heat wire, a cushion material, an insulating material, and a finishing board are laminated at the lower side of the shielding material in order. The ends of the inner skin material and coating material adhere closely to the bottom surface of the finishing board.
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