发明名称 Sleeping mattress
摘要 A sleeping mattress comprises in order a first layer made of cushion material formed with wave-like projections, a second layer having semi-circular projections provided with permanent magnets, a third layer stuffed with palm fibers and reinforcing materials, and a fourth layer composed of cushion materials. A magnetic curing effect by the magnets and a spine balancing effect by moderate hardness are obtained during sleeping, and comfortable sleeping may be achieved.
申请公布号 US4509219(A) 申请公布日期 1985.04.09
申请号 US19830540908 申请日期 1983.10.12
申请人 JAPAN LIFE COMPANY LIMITED 发明人 YAGI, TOSHIZO
分类号 A47C21/00;A47C27/00;A47C27/15;A47C27/22;A61N2/06;(IPC1-7):A47C27/22 主分类号 A47C21/00
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