Liquid purification or separation – Structural installation – Grated inlet surface drain
Patent
1997-09-24
1999-07-20
Upton, Christopher
Liquid purification or separation
Structural installation
Grated inlet surface drain
210305, 2105321, 4681, 4682, 4689, 4693, B01D 2100, E03C 1262
Patent
active
059252421
ABSTRACT:
A sand trap and flow controller mechanism for a bathtub includes an outer housing defined by an externally threaded peripheral wall having an upper outwardly directed peripheral flange and a lower inwardly directed peripheral flange with a pair of diametrically opposite openings, an inner sand trap housing defined by an outer peripheral wall, an inner peripheral wall and an annular wall therebetween collectively defining a sand trap chamber, and a flow controller mechanism having diametrically oppositely directed wings which are received in channels for guiding a valve of the flow controller toward, in sealing engagement upon and away from an upper peripheral edge of the inner peripheral wall of the inner sand trap housing.
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