Swimming pool
    1.
    发明授权
    Swimming pool 失效
    游泳池

    公开(公告)号:US3930346A

    公开(公告)日:1976-01-06

    申请号:US515679

    申请日:1974-10-17

    IPC分类号: E04H4/00 E04H3/18

    CPC分类号: E04H4/0031

    摘要: An in-ground swimming pool, includes rigid planar ends, a pair of parallel inwardly-extending curved flanges on each said end, the sides and bottom being a sheet of flexible springy sheet material, capable of transportation in rolled form, the edges of said sheet being engaged between said flanges and a highly-compressed gasket of resilient material between said sheet and the inner flange of each said pair.

    摘要翻译: 地面游泳池包括刚性平面端部,每个所述端部上的一对平行向内延伸的弯曲凸缘,所述侧面和底部是能够以卷状运输的柔性弹性片材片材,所述边缘 所述片材在所述凸缘之间接合并且在所述片材和每个所述对的内部凸缘之间的高度压缩的弹性材料垫圈。