Liquid purification or separation – Structural installation – Grated inlet surface drain
Patent
1992-12-28
1993-12-07
Hruskoci, Peter
Liquid purification or separation
Structural installation
Grated inlet surface drain
210169, 4507, E03F 504
Patent
active
052680967
ABSTRACT:
A pool drain assembly for a swimming pool having a vinyl liner is disclosed. The assembly includes a drainage receptacle which has an upper edge portion substantially at a level defining the bottom of the swimming pool. The receptacle has a conically shaped seating surface, and the vinyl liner covers the surface. A clamping ring is seated on the seating surface and surrounds a strainer plate which also rests on a lower edge of the seating surface. The upper surfaces of the pool liner, the clamping ring, and the strainer plate are all substantially co-planer.
REFERENCES:
patent: 3040895 (1962-06-01), Sisk
patent: 4561134 (1985-12-01), Mathews et al.
Essef Corporation
Hruskoci Peter
Popovics Robert James
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