| 摘要 |
A water bed flotation mattress comprising a bladder of flexible sheet plastic with vertically spaced horizontal top and bottom walls and vertical side and end walls and slackily filled with a fluid medium; said mattress including a thin, flat, flexible, horizontal intermediate wall normally in spaced parallel relationship between the top and bottom walls and a plurality of laterally spaced parallel thin and flexible partitions fixed to and extending between the intermediate and bottom walls and cooperating therewith to define elongate open ended fluid conducting tunnels and float structure about the plane of the intermediate wall to normally buoy up the intermediate wall and partitions within the mattress. |
