| 摘要 |
PROBLEM TO BE SOLVED: To provide an elastic bedding body which is excellent in comfort when used, can adjust a form, does not cause displacement in the form when used, and can cope with the case that a form change is large. SOLUTION: The elastic bedding body uses, at least at a part of itself, a bag body for storing a bulky filling in a bag shaped non-cellular membrane provided with a suction and exhaust valve. The bulky filling has a hardness of 20 to 50 N/314 cm<SP>2</SP>and a density of 25 to 80 kg/m<SP>3</SP>, in the case of 25% compression according to JIS K6400. COPYRIGHT: (C)2008,JPO&INPIT
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