| 摘要 |
PROBLEM TO BE SOLVED: To provide a bottom mattress with which a user can comfortably sleep even in summer. SOLUTION: The inner part of a round mat (1) is sectioned by at least two mesh bags. The upper parts of the mesh bags are filled with buckwheat husk or deformed chips, and the lower part is filled with cocoon-shaped objects, etc. Such circular mats are arranged in parallel and connected with cylinders so as to obtain the bottom mattress for summer. COPYRIGHT: (C)2005,JPO&NCIPI
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