Swimming pool construction and method of making the same

Details Swimming pool construction and method of making the same Swimming pool construction and method of making the same

1979-03-15

1981-04-28

Perham, Alfred C.

Static structures (e.g., buildings)

Specified terranean relationship

Open top, embedded container, tank, or reservoir

4506, 523098, 52742, 264 31, 264 466, E04B 100, E04H 316

Patent

active

042637597

ABSTRACT:
An in-ground swimming pool which utilizes a relatively flexible, continuous sheet-like wall member in combination with a bottom construction which is formed from polyurethane foam. The polyurethane foam bottom is reinforced at the surfaces of concave curvature with rail-like concrete members to which the foam is bonded.
Also disclosed is a method of forming the polyurethane bottom which consists of applying a relatively thin coating of polyurethane foam to the bottom excavation and immediately placing a sheet of polyethylene, 2 to 4 mils thick, over the foam before the foam has set, conforming and adhering the polyethylene sheet to the foam and earth surface. The final steps include applying a series of polyurethane foam layers by spraying over the polyethylene sheet to achieve a desired thickness. By following the procedures disclosed, the foam surface can be controlled to obtain the desired pool bottom smoothness.

REFERENCES:
patent: 3429085 (1969-02-01), Stillman, Jr.
patent: 3468088 (1969-09-01), Miller
patent: 3841041 (1974-10-01), Friedland et al.
patent: 4027442 (1977-06-01), Silverman
patent: 4032608 (1977-06-01), Zinniger et al.
patent: 4142337 (1979-03-01), Holcomb

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