| 摘要 |
A heat-accumulating heater includes a powdery paraffinic latent heat storage substance sealed in a bag-shaped container. The bag-shaped container includes a plurality of inner container members formed of sheets impermeable to the heat storage substance and water and permeable to air. The inner container members are each received in one of first substantially rectangular outer container members made of rubber that are connected to each other in a row so as to be bendable relative to each other. An air layer is present between each inner container member and the corresponding first outer container member, thereby preventing the inner container member from being pressed against the first outer container member. The first outer container members are in turn received in a second outer container member made of cloth.
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