| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that a cushioning material in a tatami mat for heating is decreased in thermal conductivity, and reduced in thermal efficiency. SOLUTION: The cushioning material for the tatami mat is laminated on the upper and lower sections or either one section of a tatami bed, and both surface and rear of a nonwoven fabric are covered with metallic foil in the cushioning material.
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