Baths – closets – sinks – and spittoons – Dry closets – With heating meas
Patent
1975-04-28
1976-06-01
Artis, Henry K.
Baths, closets, sinks, and spittoons
Dry closets
With heating meas
417221, 52288, 52591, 52595, E04H 316, E04H 318, F16L 2102
Patent
active
039598306
ABSTRACT:
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.
REFERENCES:
patent: 3335429 (1967-08-01), Arp
patent: 3416165 (1968-12-01), Pereina
patent: 3440780 (1969-04-01), Adam et al.
patent: 3443263 (1969-05-01), Minasy
patent: 3579665 (1971-05-01), Barker
patent: 3634892 (1972-01-01), Rains
patent: 3654640 (1972-04-01), Katzman
patent: 3736599 (1973-06-01), Kessler et al.
patent: 3801993 (1974-04-01), Stalder
Artis Henry K.
KDI Sylvan Pools, Inc.
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