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US 3,959,830 AGranted
Swimming pool
AssigneeKDI Sylvan Pools, Inc.
InventorWilliam A. van den Broek
Life of this patent
Estimating the term…
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AssigneeKDI Sylvan Pools, Inc.
InventorWilliam A. van den Broek
Estimating the term…
An in-ground swimming pool of completely plastic construction is comprised of a wall portion having the upper edge thereof substantially at ground level and a flexible plastic liner which is secured to the top of the wall portion and completely covers the interior sides of said wall portion and the bottom portion of the pool. The wall portion is comprised of a plurality of extruded plastic panels interconnected with each other by means of integral tongue and groove members on the panels which are rigidly secured together by solvent bonding of each respective tongue and groove connection. An extruded plastic coping member is provided with an upwardly extending channel in the bottom surface thereof adapted to be force-fitted over the top of the wall portion to secure the vinyl liner therebetween. At least some of said wall panels are provided with externally opening slots adapted to receive extruded plastic support wall panels perpendicular thereto which are provided with tongue means along at least one edge thereof to help stabilize the wall portion. Each wall panel may be formed by two spaced apart walls interconnected by transverse connecting walls or may be comprised of a single wall having tongue and/or groove defining members integrally formed therewith adjacent opposite edges thereof and at at least one location intermediate the ends thereof. The single wall panels may be bent into a curved configuration to provide corner members for a substantially rectangular pool or to provide a generally free form pool. Additional extruded plastic panels having tongue and groove defining members at opposite sides thereof may be interconnected at right angles to each other to provide steps within the pool with the uppermost riser being secured to the underside of the coping by a tongue and groove connection.
A swimming pool structure comprising a plurality of interconnected vertically disposed elongated wall panels of plastic material defining the wall portion of said pool, said panels having complementary interlocking tongue and groove connecting means along opposed longitudinal side edges to prevent lateral separation of said panels, said tongue and groove connecting means being additionally solvent bonded to prevent relative longitudinal movement of said panels relative to each other and to permanently join said panels into an integral one-piece wall assembly.
A panel for a swimming pool wall adapted to be vertically disposed comprising a flat surface wall having a pair of spaced apart side walls integral with and extending from said surface wall perpendicular thereto on the same side, groove means in one of said side walls, complementary tongue means on the other side wall, extension means extending outwardly from said surface wall on the same side as said side walls intermediate said side walls and additional groove means identical to said first mentioned groove means formed in said extension means.
Dependencies are inferred from the claim text.