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US 4,162,548 AGranted
Water closets
AssigneeCelanese Corporation
InventorsFrederick W. H. Groombridge, Ronald N. Butler
Life of this patent
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Abstract
A water closet shell comprising a basin component formed in one piece of molded plastics material and a cistern component likewise formed and when assembled defines a water closet unit having a flushing rim section. The flushing rim section is defined by mating an upwardly projecting ridge from the basin with a downwardly projecting ridge from the flushing rim.
Claims10
A water closet shell comprising:
- (a) a basin component formed in one piece of molded plastics material and having an upwardly open bowl, an open waste outlet, a water inlet passage having a discharge opening into the bowl, adjacent the top thereof, and an inlet opening, and a supporting portion whereby the basin may be supported in place;
- and
- (b) a cistern component formed in one piece of molded plastics material and having an upwardly open tank including an outlet opening adapted to be in register with said inlet opening of said water passage when the water closet is assembled, whereby said tank communicates with said water passage;
- and a flushing rim section including:
- a connecting wall extending from said tank and adapted to surmount the bowl when the water closet is assembled, and
- a sleeve adapted to project downwardly from said connecting wall and into said bowl when the water closet is assembled, the sleeve then being spaced inwardly from the upper end of said bowl and from the discharge end of said water passage to define with said bowl a downwardly open flushing channel extending around the upper end of said bowl.
3 more elements
Dependencies are inferred from the claim text.