E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
4/48, 154/90.3
E04H 4/00 (2006.01)
Patent
CA 1112806
ABSTRACT OF THE DISCLOSURE An in-ground swimming pool which utilizes a relative- ly 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 polyure- thane bottom which consists of applying a relatively thin coat- ing of polyurethane foam to the bottom excavation and immediate- ly placing a sheet of polyethylene, 2 to 4 mils thick, over the foam before the foam has set, confirming 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.
345848
Bradley Enterprises Inc.
Macrae & Co.
LandOfFree
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