Document Type and Number:
Japanese Patent JPH02506
Kind Code:
B2
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.
Inventors:
KURARENSU JEI MIRAA
Application Number:
JP3083280A
Publication Date:
January 08, 1990
Filing Date:
March 11, 1980
Export Citation:
Assignee:
BRADLEY ENTERPRISES INC
International Classes:
E02B7/02; E02D31/06; E04D11/00; E04H4/00; E04H4/02
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